Specification sheet for Motorola SMA5.0AT3 to SMA78AT3 plastic surface‑mount Zener overvoltage transient suppressors.
This document provides the electrical and mechanical characteristics, maximum ratings, and typical performance curves for Motorola's SMA5.0AT3 through SMA78AT3 plastic surface‑mount Zener overvoltage transient suppressors. It lists features such as reverse stand‑off voltage range, peak power, ESD rating, and response time.
The sheet also details package information, including a void‑free plastic case, maximum soldering temperature, dimensions of the 403B‑01 case, and available tape‑and‑reel packaging. Legal notices and contact information for Motorola Semiconductor are included at the end.
| Reverse Stand‑Off Voltage Range | 5.0–78 V |
|---|---|
| Peak Power | 400 W @ 1.0 ms |
| ESD Rating | Class 3 (>16 kV) |
| Response Time | Pico seconds (0 V to BV) |
| Maximum Case Temperature for Soldering | 260 °C for 10 s |
| Thermal Resistance Junction‑to‑Lead (RθJL) | 29 °C/W |
| Thermal Resistance Junction‑to‑Ambient (RθJA) | 150 °C/W |
| Instantaneous Forward Voltage @ 40 A | 3.5 V |
The peak power rating is 400 W at a 1.0 ms pulse.
The devices cover a reverse stand‑off voltage range of 5.0 V to 78 V.
The maximum case temperature for soldering is 260 °C for up to 10 seconds.
They have an ESD rating of Class 3, greater than 16 kV (Human Body Model).