B3J Hinged Tactile Switches Omron B3J Hinged Tactile Switches are through-hole mounted and feature a hook-style hinge for a shart snap action. Available in 5 standard colors, the switches offer 0, 1, or 2 LED options. Silver plated contact material and an operating force of 1.27N (130gf). The Omron B3J Hinged Tactile Switches are rated at 1 to 50mA, 3 to 24VDC with a minimum applicable load of 10µA at 1VDC resistive load.