SM4T39CAY Transient Voltage Suppressors (TVS) by STMicroelectronics

Automotive 400 W, 33 V TVS in SMA

Status: Active
Series: SM4T39CAY
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

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).

Prices starting from US$0.08


Distributor Starting From Stock
Logo for Future Electronics Future Electronics US$0.08
95,000
Buy Now
Logo for Newark Electronics Newark Electronics US$0.15
8,084
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Logo for element14 element14 US$0.43
8,084
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Logo for Farnell Farnell US$0.40
8,084
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Logo for Avnet America Avnet America US$0.36
5,000
Buy Now
Logo for Avnet Silica Avnet Silica -
130,000
Buy Now
Logo for EBV Elektronik EBV Elektronik -
-
Buy Now
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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 °C1 μA at 85 °C
Operating Tj max: 150 °C
JEDEC registered package outline
Resin meets UL94, V0

Resources


Application Notes
AN575 CALCULATION OF TRANSIL APPARENT DYNAMIC RESISTANCE
AN5704 Electro-thermal PSPICE models for tansient voltage suprressor (TVS)
AN5241 Fundamentals of ESD protection at system level
AN5686 PCB layout tips to maximize ESD protection efficiency
AN317 PROTECTION BY TRANSIL
AN2689 Protection of automotive electronics from electrical hazards, guidelines for design and component selection
AN319 RELAY DRIVE PROTECTION
AN5367 SIMetrix / SIMPLIS: PSpice model import
AN587 TRANSISTOR PROTECTION BY TRANSIL
AN316 TVS clamping protection mode
AN4160 TVS devices for power line communication applications
AN574 Transient voltage suppressor (TVS) / Thyristor surge suppressor (TSS) crowbar protection comparison
AN4871 USB Type-C protection and filtering
AN586 USE OF TRANSIL AS RECTIFIER DIODES

Technical Notes & Articles
TN1310 FAQ ESD protection



Alternative Descriptions

TVS DIODE 33VWM 69.7VC SMA | Future Electronics
Transient Voltage Suppressor, Tvs, Aec-Q101 Transil Sm4Ty Series, Bidirectional, 33 V, Do-214Ac Rohs Compliant: Yes |Stmicroelectronics SM4T39CAY | Newark Electronics
DIODE, TVS, 400W, 38.6V, SMA | element14
DIODE, TVS, 400W, 38.6V, SMA | Farnell
Diode TVS Single Bi-Dir 33V 400W 2-Pin SMA T/R | Avnet America
SM4T39CAY,TVS Transil Auto 400W 39V,Bi | RS


Frequently Asked Questions

Where can I find additional details, specifications and documents for a SM4T39CAY?

Additional datasheets, footprints and schematics for SM4T39CAY are listed on our Part Details page. You can also find images and similar parts to SM4T39CAY on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for SM4T39CAY on our Product Comparison page. Access via the 'View Pricing & Stock' button to view SM4T39CAY price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does SM4T39CAY fall under?

The SM4T39CAY is listed under Protections and EMI filters > Transient Voltage Suppressors (TVS) > Automotive TVS.

Can I view similar or alternative parts?

You can view similar parts to SM4T39CAY when available in the Automotive TVS range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the SM4T39CAY you can contact the distributor directly for product support, shipping queries etc.

Is the SM4T39CAY RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

Which authorised distributors for SM4T39CAY have stock available?

Authorised distributors including Future Electronics, Newark Electronics, element14, Farnell and Avnet America have stock available or on a lead time for SM4T39CAY.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for SM4T39CAY often in real-time on the comparison pages.

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