SM6T18A STMicroelectronics TVS Diode (Uni-directional) (Diodes Moulded) In Stock

Name: SM6T18A
Brand: STMicroelectronics
SKU: SM6T18A
Availability: InStock

Peak pulse power: 600 W (10/1000 μs) and 4 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 and 1 μA at 85 °C • Operating Tj max: 150 °C • High power capability at Tj max.: up to 515 W (10/1000 µs) • Lead finishing: matte tin plating

ACTIVETVS Diode (Uni-directional)Verified May 2026

Package / Visual Reference

SM6T18ADiodes Moulded

Quick Facts

Manufacturer: STMicroelectronics
Package: Diodes Moulded
Pin Count: 2
Lifecycle: ACTIVE
Datasheet: SM6T18A Datasheet PDF
Category: TVS Diode (Uni-directional)
Price: From $0.0647(MOQ 100)
Temp Range: -55.0°C to 150.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the specifications of SM6T18A?

Factory Lead Time	13Weeks
YTEOL	7.46
Additional Feature	UL RECOGNIZED
Breakdown Voltage-Max	18.9V
Breakdown Voltage-Min	17.1V
Breakdown Voltage-Nom	18V
Clamping Voltage-Max	25.2V
Configuration	SINGLE, 1 CHANNEL
Diode Element Material	SILICON
Diode Type	TRANS VOLTAGE SUPPRESSOR DIODE
JEDEC-95 Code	DO-214AA
JESD-30 Code	R-PDSO-C2
JESD-609 Code	e3
Non-rep Peak Rev Power Dis-Max	600W
Number of Elements	1
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Polarity	UNIDIRECTIONAL
Power Dissipation-Max	5W
Qualification Status	Not Qualified
Reference Standard	IEC-61000-4-2, 4-4, 4-5; MIL-STD-750
Rep Pk Reverse Voltage-Max	15.3V
Reverse Current-Max	0.2 µA
Reverse Test Voltage	15.3V
Surface Mount	YES
Technology	AVALANCHE
Terminal Finish	Matte Tin (Sn) - annealed
Terminal Form	C BEND
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Diodes Moulded

Compliance & Regulatory

RoHS Status	Compliant
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8541.10.00.50
Country of Origin	Mainland China

Where can I find the SM6T18A datasheet?

SM6T18A Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for SM6T18A?

Compatible alternatives and drop-in replacements for SM6T18A:

SM6T18CASTMicroelectronics

Trans Voltage Suppressor Diode, 600W, 15.3V V(RWM), Bidirectional, 1 Element, Silicon, DO-214AA

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the price of SM6T18A?

SM6T18A is priced from $0.0647 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SM6T18A in stock?

SM6T18A 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 SM6T18A?

You can buy SM6T18A from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SM6T18A from STMicroelectronics.

What is the datasheet for SM6T18A?

The official SM6T18A 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 SM6T18A come in?

SM6T18A 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 $0.0647

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
100+	$0.2588	$25.88
500+	$0.1600	$80.00
1000+	$0.1300	$130.00
2500+	$0.0839	$209.75
10000+	$0.0650	$649.90
20000+	$0.0647	$1293.20

pcs

Unit price: $0.2588 · Total: $25.88

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

SM6T18A STMicroelectronics TVS Diode (Uni-directional) (Diodes Moulded) In Stock

What are the specifications of SM6T18A?

Compliance & Regulatory

Where can I find the SM6T18A datasheet?

What are equivalent replacements for SM6T18A?

Frequently Asked Questions

What is the price of SM6T18A?

Is SM6T18A in stock?

Where can I buy SM6T18A?

What is the datasheet for SM6T18A?

What package does SM6T18A come in?

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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