SM15T39AY STMicroelectronics TVS Diode (Uni-directional) (Diodes Moulded) In Stock

Name: SM15T39AY
Brand: STMicroelectronics
SKU: SM15T39AY
Availability: InStock

Peak pulse power: – 1500 W (10/1000 μs) – up to 10 kW (8/20 μs) • Stand-off voltage range from 5 V to 188 V • Unidirectional and bidirectional types • Low leakage current: 0.2 µA at 25 °C • Operating Tj max: 150 °C • High power capability at Tj max.: up to 1250 W (10/1000 µs) • Lead finishing: matte tin plating

ACTIVETVS Diode (Uni-directional)Verified May 2026

Package / Visual Reference

SM15T39AYDiodes Moulded

Quick Facts

Manufacturer: STMicroelectronics
Package: Diodes Moulded
Pin Count: 2
Lifecycle: ACTIVE
Datasheet: SM15T39AY Datasheet PDF
Category: TVS Diode (Uni-directional)
Price: From $0.2030(MOQ 10)
Temp Range: -40.0°C to 150.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the specifications of SM15T39AY?

Factory Lead Time	53 Weeks, 1 Day
YTEOL	7
Breakdown Voltage-Max	41V
Breakdown Voltage-Min	37.1V
Breakdown Voltage-Nom	39V
Clamping Voltage-Max	53.9V
Configuration	SINGLE, 1 CHANNEL
Diode Element Material	SILICON
Diode Type	TRANS VOLTAGE SUPPRESSOR DIODE
JEDEC-95 Code	DO-214AB
JESD-30 Code	R-PDSO-C2
Non-rep Peak Rev Power Dis-Max	1500W
Number of Elements	1
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Polarity	UNIDIRECTIONAL
Qualification Status	Not Qualified
Reference Standard	AEC-Q101; IEC-61000-4-2; ISO 10605; MIL-STD-750
Rep Pk Reverse Voltage-Max	33.3V
Reverse Current-Max	0.2 µA
Reverse Test Voltage	33.3V
Surface Mount	YES
Technology	AVALANCHE
Terminal Form	C BEND
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
## SM15T39AY Alternates Showing results	Image
Package	Diodes Moulded

Compliance & Regulatory

RoHS Status	Compliant
ECCN	EAR99
HTS Code	8541.10.00.50
Country of Origin	Mainland China

Where can I find the SM15T39AY datasheet?

SM15T39AY Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for SM15T39AY?

Compatible alternatives and drop-in replacements for SM15T39AY:

SM15T39AGeneral Instrument Corp Trans

Voltage Suppressor Diode, Unidirectional, 1 Element, Silicon, DO-214AB

suggested

suggested

suggested

SM15T39CAYSTMicroelectronics

Trans Voltage Suppressor Diode, 1500W, 33.3V V(RWM), Bidirectional, 1 Element, Silicon, DO-214AB

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the price of SM15T39AY?

SM15T39AY is priced from $0.2030 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SM15T39AY in stock?

SM15T39AY is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy SM15T39AY?

You can buy SM15T39AY from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SM15T39AY from STMicroelectronics.

What is the datasheet for SM15T39AY?

The official SM15T39AY datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does SM15T39AY come in?

SM15T39AY is available in Diodes Moulded packaging. See the package diagram and pinout above for detailed dimensional information.

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About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

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AvailabilityIn Stock

Reference Price (USD)

From $0.2030

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
10+	$0.5400	$5.40
50+	$0.5130	$25.65
75+	$0.2700	$20.25
250+	$0.2650	$66.25
1250+	$0.2500	$312.50
2500+	$0.2030	$507.50

pcs

Unit price: $0.5400 · Total: $5.40

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”

Marco Rossi

CTO, AutoDrive Systems, Italy

SM15T39AY STMicroelectronics TVS Diode (Uni-directional) (Diodes Moulded) In Stock

What are the specifications of SM15T39AY?

Compliance & Regulatory

Where can I find the SM15T39AY datasheet?

What are equivalent replacements for SM15T39AY?

Frequently Asked Questions

What is the price of SM15T39AY?

Is SM15T39AY in stock?

Where can I buy SM15T39AY?

What is the datasheet for SM15T39AY?

What package does SM15T39AY come in?

Related Guides

How to Choose Würth Elektronik 150141-Series SMD Indicator LEDs

Molex 53398-0371 Selection Guide: Choosing a 3-Circuit Wire-to-Board Header

53398-0371 Compact Wire-to-Board Connector Design Guide

742792651 Ferrite Bead Selection Guide for EMI and Power Integrity

Why Buy from FindMyChip

About STMicroelectronics

More from STMicroelectronics

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