SM6F13AY STMicroelectronics TVS Diode (Uni-directional) (Other) In Stock

Name: SM6F13AY
Brand: STMicroelectronics
SKU: SM6F13AY
Availability: InStock

STMicroelectronics SM6F13AY is an automotive 600 W unidirectional TVS diode with 13 V standoff, 27.2 V max clamping voltage, and compact SOD128 Flat package for transient protection. From $0.35 in stock worldwide shipping.

ACTIVETVS Diode (Uni-directional)Verified Jun 2026

Package / Visual Reference

SM6F13AYOther

Quick Facts

Manufacturer: STMicroelectronics
Package: Other
Pin Count: 2
Lifecycle: ACTIVE
Datasheet: SM6F13AY Datasheet PDF
Category: TVS Diode (Uni-directional)
Price: From $0.1310(MOQ 10)
Temp Range: -55.0°C to 175.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of SM6F13AY?

600 W peak pulse power dissipation capability for robust transient suppression on 12 V automotive lines
27.2 V maximum clamping voltage with 15.2 V nominal breakdown providing tight overvoltage protection
Automotive-grade SOD128 Flat surface-mount package with unidirectional silicon TVS for PCB-level protection

What is SM6F13AY used for?

SM6F13AY provides transient voltage protection on 12 V automotive power lines, shielding ECUs, body control modules, and sensor interfaces from load dump and inductive switching spikes up to 600 W peak. Its 27.2 V clamping voltage protects downstream ICs rated for 20 V to 26 V absolute maximum on automotive 12 V battery rails during transient events. The SOD128 Flat package enables high-density placement near protected pins on compact automotive PCBs.

What are the specifications of SM6F13AY?

Factory Lead Time	25Weeks
YTEOL	7.63
Breakdown Voltage-Max	16V
Breakdown Voltage-Min	14.4V
Breakdown Voltage-Nom	15.2V
Clamping Voltage-Max	27.2V
Configuration	SINGLE, 1 CHANNEL
Diode Element Material	SILICON
Diode Type	TRANS VOLTAGE SUPPRESSOR DIODE
JESD-30 Code	R-PDSO-F2
JESD-609 Code	e3
Non-rep Peak Rev Power Dis-Max	4000W
Number of Elements	1
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Polarity	UNIDIRECTIONAL
Reference Standard	AEC-Q101, IEC-61000-4-2, 4-4
Rep Pk Reverse Voltage-Max	13V
Reverse Current-Max	0.2 µA
Reverse Test Voltage	13V
Surface Mount	YES
Technology	AVALANCHE
Terminal Finish	Matte Tin (Sn)
Terminal Form	FLAT
Terminal Position	DUAL
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8541.10.00.50
Country of Origin	Malaysia

Where can I find the SM6F13AY datasheet?

SM6F13AY Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for SM6F13AY?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What peak pulse power can SM6F13AY clamp and over what pulse duration?

SM6F13AY handles 600 W of peak pulse power, typically specified for a 10/1000 µs waveform per automotive transient test standards. During a load dump event on a 12 V automotive battery line, this 600 W capability absorbs the energy spike before the clamping voltage rises above the 27.2 V maximum, protecting downstream electronics rated below 30 V.

How do the breakdown voltage limits of SM6F13AY affect selection for a 12 V automotive rail?

SM6F13AY has a nominal breakdown voltage of 15.2 V with a minimum of 14.4 V and a maximum of 16 V. This range ensures the device remains non-conducting under normal 12 V to 13.8 V battery charging conditions but begins clamping when transients exceed 14.4 V, preventing the voltage from rising above the 27.2 V maximum clamp level that could damage 5 V or 3.3 V interface circuits.

When should SM6F13AY be chosen over a bidirectional TVS on an automotive signal line?

A unidirectional TVS like SM6F13AY is the correct choice for DC power rails and unipolar signal lines where transients always appear as positive overvoltage relative to ground. Bidirectional TVS devices are needed only on AC or bipolar lines such as CAN bus or LIN bus differential pairs. Choosing SM6F13AY on a unipolar 12 V rail lowers the forward voltage drop in the conducting direction, improving clamping speed and reducing clamped energy compared to a bidirectional device of the same 600 W rating.

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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 $0.1310

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
10+	$0.3400	$3.40
100+	$0.2300	$23.00
500+	$0.1800	$90.00
6000+	$0.1510	$906.00
9000+	$0.1360	$1224.00
24000+	$0.1310	$3144.00

pcs

Unit price: $0.3400 · Total: $3.40

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

SM6F13AY STMicroelectronics TVS Diode (Uni-directional) (Other) In Stock

What are the key features of SM6F13AY?

What is SM6F13AY used for?

What are the specifications of SM6F13AY?

Compliance & Regulatory

Where can I find the SM6F13AY datasheet?

What are equivalent replacements for SM6F13AY?

Frequently Asked Questions

What peak pulse power can SM6F13AY clamp and over what pulse duration?

How do the breakdown voltage limits of SM6F13AY affect selection for a 12 V automotive rail?

When should SM6F13AY be chosen over a bidirectional TVS on an automotive signal line?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About STMicroelectronics

More from STMicroelectronics

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