- There are no more items in your cart
- Shipping
- Total £0.00
- Motors
- Business, Office & Industrial
- Sports, Hobbies & Leisure
- Electronic components
- Passives
- Light sources
- Mechanical
- Worm Gear Clamps and Fixing Clamps
- Vibration Dampers
- Bearings
- Technical seals
- Plastic Spacers
- PCB Brackets and Guides
- Rivets
- Feet and Wheels
- Knobs
- Profiles and Holders
- Profiles for LED
- Safety Elements
- Screws
- Bolts
- Joints
- Hinges
- Locks and Clasps
- Nuts
- Fittings for ropes
- Handwheels and pointers
- Accessories for Hydraulic Systems
- Engineering materials
- Mechanical Power Transmission
- Shoulder Screws
- Sliding and Transport Systems
- Support insulators
- Clamping Levers
- Metal Spacers
- Threaded Insertions
- Washers
- Caps Plugs and Masking
- Car Fasteners
- Robotics and Prototyping
- Enclosures
- Enclosures - Accessories
- Multipurpose Enclosures
- Din Rail Mounting Enclosures/Accessories
- Enclosures with Panel
- Modular Aparatus Enclosures
- Desktop Enclosures
- Shielded enclosures
- Junction boxes
- Remote Control Enclosures
- Enclosures for Devices with Display
- Panel Mounting Enclosures
- Wall Mounting Enclosures
- Enclosures for Alarms and Sensors
- Enclosures for Potting
- Power Supplies Enclosures
- 19inch Enclosures
- Racks & Cabinets
- Enclosures, Boxes & Cases
- Standard Electrical
- Enclosures for Industrial Automation
- Storage Boxes & Cases
- Enclosures for Single Board Computing
- Fuses and Circuit Breakers
- Office Equipment
- Fans
- Automation
- Regulation and Control
- Sensors and Transducers
- Magnets
- Measuring Conv. and Signal Isolators
- Inductive Sensors
- Ultrasonic Sensors
- Magnetic Sensors
- Photoelectric Sensors
- Sensors - Cables
- Temperature Sensors and Transducers
- Fiber-Optic Sensors
- Thermostats
- Humidity Sensors
- Gas Sensors
- Pressure Sensors and Transducers
- Capacitive Sensors
- Encoders
- Level Sensors
- Flow Meters
- Tilt Sensors
- Electric Motors
- Embedded and IoT systems
- Computer Accessories
- Switches and Indicators
- Optoelectronics
- Transformers and Ferrite Cores
- Power Sources
- Sound Sources
- Workplace Equipment
- Antistatic Protection
- Tools
- Wrenches
- Screwdrivers
- Pliers
- Crimping Tools
- General Purpose Tools
- Glue Guns
- Threading Dies and Taps
- Drills
- Screwdriver Bits
- Handles
- Screwdriver Bits Sets
- Power Tools & Accessories
- Measuring Tools
- Inspection Tools
- Tweezers
- Strippers for wire & cable
- Repair and Construction Tools
- Industrial and Workshop Lighting
- Abrasive materials
- Tool Sets
- Pneumatic Tools and Accessories
- Garden Tools
- Tools and Acc. for Working at Height
- Storage
- Measuring Accessories
- Chemical products
- Soldering and Welding Equipment
- Measuring Instruments
- Health and Safety
- PCB prototyping & production
- Cleanroom
- Wires and Cables
- Relays and Contactors
- Car Audio
- Pneumatics and Hydraulics
- Semiconductors
- Integrated circuits
- Programmers and erasers
- Semiconductors - accessories
- Discrete semiconductors modules
- Transistors
- Triacs
- Diodes
- Development kits
- Bridge rectifiers
- Thyristors
- Diacs
- Discrete Semiconductors
- Power Management ICs
- Communication & Wireless Module ICs
- Interface ICs
- Sensor ICs
- Data Converters
- Amplifiers & Comparators
- Clock, Timing & Frequency ICs
- Audio & Video ICs
- Chip Programmers & Debuggers
- Processors & Microcontrollers
- Logic ICs
- Memory Chips
- Programmable Logic ICs
- Integrated Circuits - ICs
- Embedded Processors & Controllers
- Memory ICs
- Switch ICs
- Logic ICs
- Optocouplers
- Equalisers
- Interface ICs
- Multimedia ICs
- Security ICs
- Programmable Logic ICs
- Active Filter
- Amplifier ICs
- Data Converter ICs
- Audio ICs
- Clock & Timer ICs
- Communication & Networking ICs
- Counter ICs
- Digital Potentiometer ICs
- Driver ICs
- Power Management ICs
- Wireless & RF Integrated Circuits
- Wireless & RF Semiconductors
- Memory ICs
- Engineering Development Tools
- Connectors
- Push-on connectors and cable terminals
- Signal connectors
- Power connectors
- LED connectors
- Terminal blocks
- DC power connectors
- AC supply connectors
- Rail mounted connectors
- Solar connectors
- Heavy Duty Power Connector Contacts
- Heavy Duty Power Connector Accessories
- Heavy Duty Power Connector Housings & Hoods
- Heavy Duty Power Connector Inserts & Modules
- Lighting Connectors
- Compact Power Connectors
- Heavy Duty Power Connectors
- Compact Power Connector Accessories
- DIN 43650 Solenoid Connectors
- Lighting Connector Accessories
- Power to the Board
- AC Power Plugs & Receptacles
- Jones Plugs & Sockets
- AC Power Entry Modules
- Audio-video connectors
- Automotive connectors
- Data connectors
- Industrial connectors
- RF Coaxial connectors
- Other connectors
- Other connectors TE
- Other connectors Molex
- Other Neutrik Connectors
- Other Hirose Connectors
- Other Amphenol Connectors
- Other Binder Connectors
- Military connectors
- Other connectors Harting
- Wire Terminals & Splices
- Network & Telecom Connectors
- Terminal Blocks
- AV Connectors
- Circular Connectors
- Industrial Circular Connectors
- Mil Spec Circular Connectors
- DIN Connectors
- Circular Connector Dust Caps
- Circular Connector Contacts
- Circular Connector Accessories
- Circular Connector Adapters
- Circular Connector Inserts
- Circular Connector Seals
- Circular Connector Backshells
- Standard Circular Connectors
- Circular Metric Connectors
- Circular DIN Connectors
- Circular MIL Spec Connectors
- Circular Push Pull Connectors
- PCB Connectors & Wire Housings
- Mains & DC Power Connectors
- RF Coaxial Connectors & Adapters
- Automotive Electrical Connectors
- USB, D Sub & Computing Connectors
- Backplane & Rack Connectors
- IC Sockets & Adapters
- Memory Connectors
- Lighting Connectors
- Headers & Wire Housings
- FFC
- Board to Board & Mezzanine Connectors
- Audio & Video Connectors
- Contact Probes
- IC & Component Sockets
- Cable Assemblies
- Card Edge Connectors
- I
- Backplane Connectors
- D-Sub Connectors
- Fibre Optic Connectors
- Pin & Socket Connectors
- Modular Connectors
- Terminals
- Wire & Cable
- MIL-Spec
- Solar Connectors
- RF Interconnects
- Junction Systems
- USB Connectors
- IEEE 1394 Connectors
- Automation & Control Gear
- Automation Signalling
- Sensors
- Motion Control Sensors
- Photoelectric Sensors
- Sensor Accessories
- Sensor Connectivity
- Infrared Temperature Sensors
- Strain Gauges
- Light Curtains
- Thermocouple & Extension Wire
- Proximity Sensors
- Flow Controllers
- RTD Sensors
- Identification Sensors
- Light Detection and Ranging
- Registration Sensors
- Fibre Optic Sensors
- Level Sensors
- Pressure Sensors
- Thermocouples
- Float Switches
- Multi Function Sensors
- Flow Sensors
- Temperature Sensitive Labels
- Thermistors
- Vibration Sensors
- Hall Effect Sensors
- Process Control
- Electric Motors
- PLCs, HMIs & Industrial Computing
- Contactors & Auxiliary Contacts
- Solenoids
- Relays & Signal Conditioning
- Cables & Wires
- Pneumatics & Hydraulics
- Pneumatic Connectors, Fittings & Hose
- Pneumatic Valves
- Pneumatic Air Preparation
- Pneumatic Sensors & Switches
- Pneumatic & Hydraulic Pressure Gauges
- Vacuum Components
- Hydraulic Fittings & Tubing
- Pneumatic Cylinders & Actuators
- Pneumatic Counters, Logic Controllers & Timers
- Hydraulic Instrumentation & Switches
- Hydraulic Fluids & Filtration
- Compressed Air Piping Systems
- Hydraulic Cylinders, Pumps & Power Units
- Hydraulic Valves & Manifolds
- Fasteners & Fixings
- Hand Tools
- Sensors
- Temperature Sensors
- Sensor Fixings & Accessories
- Encoders
- Optical Sensors
- Audio Sensors
- Magnetic Sensors
- Proximity Sensors
- Sensor Development Tools
- Magnetic Sensor Development Tools
- Multiple Function Sensor Development Tools
- Optical Sensor Development Tools
- Touch Sensor Development Tools
- Position Sensor Development Tools
- Acceleration Sensor Development Tools
- Temperature Sensor Development Tools
- Pressure Sensor Development Tools
- Current Sensor Development Tools
- Environmental Sensors
- Capacitive Touch Sensors
- Motion & Position Sensors
- Current Sensors
- Biometric Sensors
- Pressure Sensors
- Force Sensors & Load Cells
- Computing & Peripherals
- Lighting
- Site Safety
- ESD Control, Cleanroom & PCB Prototyping
- Power Supplies & Transformers
- Switches
- Safety Interlock Switches & Components
- Push Button Switches & Components
- Push Button Lamps & LEDs
- Push Button Tools
- Push Button Contact Blocks & Light Blocks
- Pilot Light Heads
- Pilot Lights
- Push Button Switches
- Push Button Lenses
- Push Button Adapters & Mounts
- Push Button Guards & Covers
- Emergency Stop Push Buttons
- Push Button Caps
- Push Button Labels & Legends
- Push Button Bezels
- Push Button Heads
- Pendant Switches
- Push Button Actuators
- Control Stations
- Switch Disconnectors & Components
- Domestic Installation Switches
- Rocker Switches & Components
- Foot Switches & Components
- Rotary Switches & Components
- Rope Pull Switches & Components
- Limit & Position Switches
- Capacitive, Magnetic and Piezo Switches
- DIP & Rotary Encoded Switches
- Joysticks & Components
- Micro Switches & Detector Switches
- Keyboard & Keypad Switches
- Key Switches & Selector Switches
- Safety Enabling & Control Switches
- Toggle Switches & Slide Switches
- Passive Components
- EMI Filters & Protection
- Surge Protection Components
- Antennas
- Fixed Resistors
- Inductors
- Variable Resistors
- Sounder, Buzzer & Microphone Components
- Capacitors
- Film Capacitors
- Aluminium Capacitors
- MLCCs - Multilayer Ceramic Capacitors
- Supercapacitors
- Polymer Capacitors
- Tantalum Capacitors
- Feedthrough Capacitors
- Mica Capacitors
- Single Layer Ceramic Capacitors
- Capacitors Accessories
- Niobium Oxide Capacitors
- Array Capacitors
- Aluminium Electrolytic Capacitors
- Ceramic Capacitors
- Feed Through Capacitors
- Safety Capacitors
- Capacitor Hardware
- Silicon RF Capacitors
- Trimmer
- Motor Start Capacitors & Motor Run Capacitors
- MLCCs
- Passive Components Kits
- Crystals, Oscillators & Resonators
- Rotary Encoders
- Filters
- EMI Filters
- Audio Transformers
- Encoders
- Frequency Control & Timing Devices
- Antenna Accessories
- Ferrites
- Inductors, Chokes & Coils
- Signal Conditioning
- Thermistors - NTC
- Varistors
- Potentiometers, Trimmers & Rheostats
- Thermistors - PTC
- Resistors
- Test & Measurement
- Data Acquisition & Logging
- Network Test & Measurement
- Electrical Test & Measurement
- Environmental Test & Measurement
- Multimeters & Accessories
- Bench Power Supplies & Sources
- Oscilloscopes & Accessories
- Weight & Force Test & Measurement
- Signal Generators & Analysers
- Test Connectors
- Test Leads & Test Lead Kits
- Temperature Test & Measurement
- RF Test & Measurement
- Electronic Component Testing
- Pressure Test & Measurement
- Speed Test & Measurement
- Lab Equipment
- Engineering Test & Measurement
- Test Equipment Accessories
- Attenuators - Interconnects
- Test Equipment Power Cords
- Plumbing & Pipeline
- Mechanical Power Transmission
- Enclosures & Server Racks
- Batteries & Chargers
- Raspberry Pi, Arduino, ROCK & Development Tools
- HVAC, Fans & Thermal Management
- Fuses & Circuit Breakers
- Engineering Materials & Industrial Hardware
- Power Tools, Soldering & Welding
- Displays & Optoelectronics
- Bearings & Seals
- Access, Storage & Material Handling
- Adhesives, Sealants & Tapes
- Security & Ironmongery
- Personal Protective Equipment & Workwear
- Office Supplies
- Facilities Cleaning & Maintenance
- Electronic components
- Circuit Protection
- Electromechanical
- Audio Devices
- Hardware
- Relays, Contactors & Solenoids
- I
- Industrial Automation
- Cameras & Accessories
- Circuit Protection
- Contactors
- Controllers
- Counters & Tachometers
- Ethernet & Communication Modules
- Hardware
- Human Machine Interface - HMI
- Industrial Connectors
- Industrial Development Tools
- Industrial Displays
- Industrial Enclosures
- Industrial Lighting & Indicators
- Industrial Power
- Industrial Sensors
- Industrial Switches
- Industrial Relays & Accessories
- Industrial Safety
- Industrial Terminal Blocks
- Motor Drives
- Printers
- Robotics
- Solenoids & Actuators
- Test & Measurement
- Timers
- Wire & Cable
- Circuit Breakers
- Encoders
- Switches
- Motors & Drives
- Knobs & Dials
- Printers
- Embedded Solutions
- Modules Accessories
- Memory & Data Storage
- Wireless & RF Modules
- Computing
- Engineering Tools
- Analogue & Digital IC Development Tools
- LED Lighting Development Tools
- Embedded Tools & Accessories
- RF
- Sensor Development Tools
- Power Management IC Development Tools
- Embedded Processor Development Kits
- Memory IC Development Tools
- Optoelectronic Development Tools
- Communication Development Tools
- Programmable Logic IC Development Tools
- Interface Modules
- Power Management Modules
- Sensor Modules
- Ethernet & Communication Modules
- Opto-electronics
- Power
- Power Management ICs
- LDO Voltage Regulators
- Linear Voltage Regulators
- Voltage References
- Supervisory Circuits
- Voltage Regulators - Switching Regulators
- AC
- Gate Drivers
- Battery Management
- Motor
- Switching Controllers
- LDO Voltage Controllers
- Hot Swap Voltage Controllers
- Current & Power Monitors & Regulators
- Power Factor Correction - PFC
- Optically Isolated Gate Drivers
- Galvanically Isolated Gate Drivers
- Wireless Charging ICs
- Battery Holders, Clips & Contacts
- DC Power Connectors
- Batteries
- AC Power Plugs & Receptacles
- Transformers
- Power Supplies
- Supercapacitors
- Solar Panels & Solar Cells
- AC Power Entry Modules
- Power Condition
- DC
- AC Power Leads
- DC Power Cords
- Power Management ICs
- RF & Wireless
- Thermistors
- Thermal Interface Products
- Heat Sinks
- Fan Accessories
- Board Mount Temperature Sensors
- Thermostats
- Thermal Cut-offs
- Industrial Temperature Sensors
- AC Fans
- Liquid Cold Plates, Liquid Cooling & Heat Pipes
- DC Fans
- Heat Sinks - LED
- Blowers & Centrifugal Fans
- Thermoelectric Peltier Modules
- Tools & Supplies
- Filters
- Engine and accessories
- Komatsu d37 d39 d41 d51 joystick valve gasket
- Komatsu d31 d32 valve cover bolt gasket
- Cover gasket doosan 65.01905-0009
- Front drive seal komatsu lw200 d31 hd320
- Komatsu wa120 wa150 wa180 security ring
- Komatsu d155 d31 hydraulic pump seal
- Kalamitka doosan s6710041 grease nipple
- Exhaust manifold nut volvo ec160b ec160c
- Filler cap doosan 2119-1063a 2160-1003
- Oil filler cap 65.01810-5011
- Doosan spacer 1.412-00164
- Daewoo Doosan DL200 injector seat o-ring
- Komatsu d155ax d275a pump piston oring seal
- Thermostat gasket daewoo doosan solar 170
- Doosan thermostat gasket 65.06901a0069
- Doosan thermostat o-ring 06.56342-1208
- O-ring doosan 2180-1026d23
- O-ring doosan s8000181
- Doosan connecting rod bearing 65.02410-0050
- Piston pin protection doosan 06.29020-0125
- Doosan intake valve 65.04101-0065b
- Valve seat doosan 65.03203-1062
- Pin securing pin volvo a30d a30e a35d
- Ball bushing k3v63dt
- Komatsu cap 20y-60-21440
- Steering system
- engine cooling
- Hydraulic system
- Fuel system
- The remaining
- Suspension system
- Body parts
- Lighting
- Work equipment
- Electrical system, ignition
- Exhaust system
- Heating, ventilation, air conditioning
- Drive system
- Caterpillars
- Interior furnishings
- Braking system
- For cars
- For motorcycles and scooters
- For other agricultural machinery
- Covers
- Luggage racks
- Trunks
- Plows
- Winches
- Assembly parts
- Engines and accessories
- Go-Kart Parts
- Aircraft Parts
- Quad Bike Parts
- Semiconductors
- Trailer & Semi Trailer Parts
- Camping
- Equipment
- Suspension system
- Marquesas
- Electrical system
- Kitchen equipment
- Parts
- Mirrors
- Atria
- Stairs and steps
- Gas installation
- Windows
- Trailer furniture
- Hoses and pipes
- Water containers
- Water instalation
- Ventilation
- Vehicle lighting
- Feet, supports, pads
- Toilets and cleaning products
- Solar panels
- Castles
- Support wheels
- Water pumps
- Seals
- Braking system
- Tourist lighting
- Antennas
- Door
- Hello
- Strips, covers
- Rating plates
- Freight
- The remaining
- Camping
- Forklift Parts
- Connectors
- Motorcycle Parts
- Other
- 1xElectronic components
- Anti-Static
- Electronic components
- Audio Products
- Battery Products
- Cable AssembliesBetween Series Adapter Cables
- Cable AssembliesBarrel Connector CablesBarrel Power Cables
- Cable AssembliesBarrel Connector CablesBarrel Audio Cables
- Cable AssembliesCircular Cable Assemblies
- Cables
- Wires - Management/Cable Ties and Zip Ties
- Wires - Management/Markers
- Wires - Management/Cable Supports and Fasteners
- Wires - Management/Heat Shrink Boots
- Wires - Management/Accessories
- Wires - Management/Heat Shrink Tubing
- Wires - Management/Cable Ties - Holders and Mountings
- Wires - Management/Labels
- Wires - Management/Cable and Cord Grips
- Wires - Management/Protective Hoses
- Wires/Single Conductor Cables (Hook-Up Wire)
- Wires - Management/Solder Sleeve
- Wires/Multiple Conductor Cables
- Wires/Flat Ribbon Cables
- Wires - Management/Bushings
- Wires - Management/Wire Ducts
- Wires - Management/Spiral Wrap
- Wires/Coaxial Cables (RF)
- Wires - Management/Grounding Braid
- Wires/Modular - Flat Cable
- Wires/Fiber Optic Cables
- Wires - Management/Fiber Optic Cables
- Capacitors
- Cable Assemblies/Specialized Cable Assemblies
- Cable Assemblies/Coaxial Cables (RF)
- Cable Assemblies/Flat Flex Ribbon Jumpers
- Cable Assemblies/Jumper Wires
- Cable Assemblies/Rectangular Cable Assemblies
- Cable Assemblies/Modular Cables
- Cable Assemblies/Flat Flex Jumpers
- Cable Assemblies/Power
- Cable Assemblies/Solid State Lighting Cables
- Cable Assemblies/USB Cables
- Cable Assemblies/Pluggable Cables
- Cable Assemblies/D-Sub Cables
- Cable Assemblies/Fiber Optic Cables
- Cable Assemblies/Video Cables (DVI
- Cable AssembliesCoaxial Cables (RF)
- Computer Equipment
- Industrial Automation and Controls
- Circuit Protection
- Crystals
- Development Boards
- Boxes
- Connectors
- Interconnects
- Rectangular Connectors
- Pluggable Connectors
- Barrel Connectors
- Backplane Connectors
- FFC
- Blade Type Power Connectors
- Coaxial Connectors (RF)
- Circular Connectors
- Contacts
- D-Sub
- Heavy Duty Connectors
- Fiber Optic Connectors
- Modular Connectors
- Card Edge Connectors
- Keystone Connectors
- Banana and Tip Connectors
- Memory Connectors
- Photovoltaic (Solar Panel) Connectors
- AC Power Connectors
- Between Series Adapters
- Shunts
- Terminal Blocks
- Solid State Lighting Connectors
- Terminals
- USB
- Terminal Strips and Turret Boards
- Sockets for ICs
- Interconnects
- Embedded Computers
- Fans
- Discrete Semiconductor Products
- Inductors
- Filters
- Integrated Circuits (ICs)
- Cable Assemblies
- Line Protection
- Networking Solutions
- Optical Inspection Equipment
- Motors
- Maker
- Memory - Modules
- Labels
- Magnetics - Transformer
- Optoelectronics
- Laser Diodes
- Lenses
- LED Emitters - Infrared
- LED Indication - Discrete
- LED White Lighting
- LED Color Lighting
- LED COBs
- LED Dot Matrix and Cluster
- LCD
- Optoelectronics Accessories
- Display Backlights
- LED Character and Numeric
- Circuit Board Indicators
- LED Addressable
- Reflectors
- Panel Indicators
- Cold Cathode Fluorescent (CCFL) & UV Lamps
- Lamp Replacements
- LED Thermal Products
- Spacers
- Light Pipes
- Fiber Optic Receivers
- Incandescent
- Fiber Optic Transmitters - Discrete
- Remote Phosphor Light Source
- Power Supplies - External
- Relays
- Prototyping
- Sensors
- Transducers
- Current Sensors
- Encoders
- Encoders - Industrial
- Float
- Force Sensors
- Gas Sensors
- Humidity
- Magnetic Sensors
- Magnets
- Motion Sensors
- Optical Sensors
- Position Sensors
- Pressure Sensors
- Proximity Sensors
- Sensor Cable Accessories
- Sensor Cable Assemblies
- Sensor
- Solar Cells
- Specialized Sensors
- Temperature Sensors
- Ultrasonic Receivers
- Transducers
- RF and Wireless
- Soldering
- Tapes
- Resistors
- Switches
- Uncategorized
- Transformers
- Tools
- Test and Measurement
- Industrial Supplies
- Potentiometers
- Power Supplies - Board Mount
- Hardware
- Isolators
- Kits
- Boat Parts
10 pcs : 1725536 - Pluggable Terminal Blocks 5 Pos 5mm pitch Plug 24-14AWG Spring
10 pcs : 1725536 - Pluggable Terminal Blocks 5 Pos 5mm pitch Plug 24-14AWG Spring
Description
Terminal Blocks Phoenix Contact offers an expansive selection of thousands of pluggable, DIN-rail, and fixed terminal blocks. In addition, Phoenix Contact has a broad range of terminal block accessories, including electronic housings, fuse blocks, markers, bridges and jumpers, and tools to meet the high demands of signal, data, and power connectivity applications.
Product Details
10(electronicparts)6511725536
1725536
10 Items
Data sheet
- Manufacturer
- PHOENIX CONTACT
- Current rating
- 13.5 A
- Contact material
- copper
- Contact plating
- Tin
- Number of positions
- 5 Position
- Series
- PTDA
- Voltage Rating
- 320 V
- Mounting Style
- Cable Mounts
- Housing Material
- Polyamide (PA)
- Product Type
- Pluggable Terminal Blocks
- Pitch
- 5 mm
- Termination Style
- Spring Clamp
- Product Category
- Pluggable Terminal Blocks
- RoHS
- Details
- Brand
- Phoenix Contact
- Product
- Plugs
- Factory Pack Quantity Factory Pack Quantity
- 100
- Subcategory
- Terminal Blocks
- Tradename
- COMBICON Compact
- Unit Weight
- 8.345 g
- Part # Aliases
- PTDA_2,5/_5-PH-5,0 PTDA255PH50
- Wire Gauge Min
- 24 AWG
- Wire Gauge Max
- 14 AWG
10 pcs : 1725536 - Pluggable Terminal Blocks 5 Pos 5mm pitch Plug 24-14AWG Spring