TB0640M - TB3500M 50A bidirectional surface mount thyristor surge protective device features 50A peak pulse current @ 10/1000�s, 250A peak pulse current @ 8/20�s, 58-320V stand-off voltages, oxide-glass passivated junction, bidirectional protection in a single device, high off-state impedance and low on-state voltage.
This datasheet describes the new Diodes TBO640M and TB3500M bi‑directional surface‑mount thyristor surge protective devices. Key features include a 50 A peak pulse current, 58‑320 V stand‑off voltage range, and low on‑state resistance.
The document provides detailed electrical characteristics, mechanical dimensions, maximum ratings, and ordering information. Packaging options are listed as SMB 3000/Tape & Reel, and marking codes are explained for date and product identification.
| Peak Pulse Current (10/1000 µs) | 50 A |
|---|---|
| Stand‑off Voltage | 58‑320 V |
| Breakdown Voltage (TB3500M) | 320 V |
| Weight | 0.093 g |
| Moisture Sensitivity Level | Level 1 per J‑STD‑020A |
The device can handle a peak pulse current of 50 A at 10/1000 µs.
They support stand‑off voltages from 58 V up to 320 V.
They are shipped in SMB 3000/Tape & Reel packaging.
The devices have a moisture sensitivity level of 1 according to J‑STD‑020A.