ESDAVLC5-1BF4 ESD Suppressor STMicroelectronics ESDAVLC5-1BF4 ESD Suppressor is designed to protect the data line or other I/O ports against ESD transients. The bidirectional single line TVS diode features low clamping, very low capacitance, and low leakage current in a 0201 package. The device is ideal for applications requiring reduced line capacitance and board space savings. ESDAVLC5-1BF4 is ECOPACK®2 compliant component.