Product overview
Description
The SM4TY series are designed to protect sensitive automotive circuits against surges defined in ISO 7637-2 and against electrostatic discharges according to ISO 10605. The Planar technology makes it compatible with high-end circuits where low leakage current and high junction temperature are required to provide long term reliability and stability. SM4TY devices are packaged in SMA (SMA footprint in accordance with IPC 7531 standard).-
All features
- AEC-Q101 qualified
- Peak pulse power:
400 W (10/1000 μs) 2.3 kW (8/20 μs) - Stand-off voltage range from 5 V to 70 V
- Unidirectional and bidirectional types
- Low leakage current:
0.2 µA at 25 °C 1 μA at 85 °C - Operating Tj max: 150 °C
- JEDEC registered package outline
- Resin meets UL94, V0
Featured Videos
In this video, we explain why it is important to protect against electrostatic discharges. We give a quick demonstration to show exactly what happens when you shoot at a microcontroller with an ESD gun!
Introduction to surges – EOS and ESD – definition, standards, effects and root cause
EDA Symbols, Footprints and 3D Models
STMicroelectronics - SM4T18AY
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Symbols
Footprints
3D models
All resources
| Resource title | Version | Latest update |
|---|
SPICE models (4)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 1.2 | 25 Mar 2022 | 25 Mar 2022 | |
| ZIP | 1.0 | 13 Jun 2022 | 13 Jun 2022 | |
| ZIP | 1.0 | 25 Mar 2022 | 25 Mar 2022 | |
| ZIP | 1.0 | 25 Mar 2022 | 25 Mar 2022 |
CAD Symbol & Footprint models (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 1.0 | 25 Mar 2022 | 25 Mar 2022 | |
| ZIP | 1.0 | 25 Mar 2022 | 25 Mar 2022 |
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| SM4T18AY | Active | SMA | Automotive | Ecopack2 | |
SM4T18AY
Package:
SMAMaterial Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | VRM (V) (max) | Directionality | Country of Origin | Budgetary Price (US$)*/Qty | Directionality | Unit Price (US$) | Country of Origin | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | ||||||||||||||||
| SM4T18AY | 3 distributors | Active | EAR99 | NEC | Tape and Reel | SMA | - | - | 15 | Uni-Directional | CHINA | | Uni-Directional | 0.12 | CHINA | ||
Buy Direct at ST (*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors