Product overview
Description
Integrated insulated gate driver for AC switch SCRs or Triacs. Its insulated voltage up to 1.25 kVRMS gives functional insulation to drive any thyristor in industrial application.
The STSID140-12 is a 40 mA output gate driver, allowing to design large range of thyristors for industrial AC motor control, or suitable for inrush current management in AC/DC application.
A high reliability solution, the AC switch-insulated driver is able to ensure high load current switching making the plug and play interface between MCU and SCR/Triac.
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All features
- Gate driver for thyristor control
- Triac AC switch and SCR control compliant
- 40 mA current output
- Single 3.3V supply for direct MCU drive
- Maximum junction temperature: 125 °C
- Low quiescent standby current: 5 uA
- Input-output functional isolation:
- Isolation level tested at 2121 VPK
- High creepage distance: 3.92 mm compliant with IEC 60335-1 standard for 250 VRMS application with material group I and overvoltage category II
- EMC performances:
- High static immunity: IEC 61000-4-4 EFT at ±4 kV
- IEC 61000-4-5 overvoltage: ±4 kV
- Compliant with EN 55016-2-1, CISPR 16-2-1 for conducted noise
- Compliant with EN 55016-2-3, CISPR 16-2-3 for radiated noise
- Compliant with ESD IEC 61000-4-2 up to ±2 kV contact
- Package:
- DFN SMD compact package: 5.35 x 3.45 mm
- Halogen-free molding, lead-free plating
- ECOPACK2 compliant
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All tools & software
All resources
| Resource title | Version | Latest update |
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Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 18 Sep 2025 | 18 Sep 2025 |
Presentations (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 23 Oct 2025 | 23 Oct 2025 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STSID140-12
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Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| STSID140-12 | Active | DFN 5.35X3.45X1.2-8L P0,75 | Industrial | Ecopack3 | - | - | |
STSID140-12
Package:
DFN 5.35X3.45X1.2-8L P0,75Material 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 | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STSID140-12 | | | distributors No availability of distributors reported, please contact our sales office |
STSID140-12 Active
(*) 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