1KSMB20A LITTELFUSE TVS Diode (Uni-directional) (Diodes Moulded) In Stock

Name: 1KSMB20A
Brand: LITTELFUSE
SKU: 1KSMB20A
Availability: InStock

Use the download button to access the 1KSMB20A schematic symbol, PCB footprint, and 3D model.

ACTIVETVS Diode (Uni-directional)Verified Jun 2026

Package / Visual Reference

1KSMB20ADiodes Moulded

Quick Facts

Manufacturer: LITTELFUSE
Package: Diodes Moulded
Pin Count: 2
Lifecycle: ACTIVE
Datasheet: 1KSMB20A Datasheet PDF
Category: TVS Diode (Uni-directional)
Price: From $0.0529(MOQ 1)
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 1KSMB20A?

YTEOL	7
Additional Feature	EXCELLENT CLAMPING CAPABILITY
Breakdown Voltage-Max	21V
Breakdown Voltage-Min	19V
Breakdown Voltage-Nom	20V
Clamping Voltage-Max	27.7V
Configuration	SINGLE
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	1000W
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	UL RECOGNIZED
Rep Pk Reverse Voltage-Max	17.1V
Surface Mount	YES
Technology	AVALANCHE
Terminal Finish	Matte Tin (Sn)
Terminal Form	C BEND
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	40
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, Philippines

Where can I find the 1KSMB20A datasheet?

1KSMB20A Datasheet Download

Official datasheet from LITTELFUSE

What are equivalent replacements for 1KSMB20A?

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

Frequently Asked Questions

What is the price of 1KSMB20A?

1KSMB20A is priced from $0.0529 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is 1KSMB20A in stock?

1KSMB20A 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 1KSMB20A?

You can buy 1KSMB20A from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for 1KSMB20A from LITTELFUSE.

What is the datasheet for 1KSMB20A?

The official 1KSMB20A datasheet from LITTELFUSE contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does 1KSMB20A come in?

1KSMB20A is available in Diodes Moulded packaging. See the package diagram and pinout above for detailed dimensional information.

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Factory-direct from China distributors, low MOQ

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About LITTELFUSE

LITTELFUSE is a leading electronic component manufacturer. FindMyChip sources LITTELFUSE ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

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AvailabilityIn Stock

Reference Price (USD)

From $0.0529

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$0.1036	$0.10
10+	$0.0708	$0.71
25+	$0.0529	$1.32

pcs

Unit price: $0.1036 · Total: $0.10

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

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

1KSMB20A LITTELFUSE TVS Diode (Uni-directional) (Diodes Moulded) In Stock

What are the specifications of 1KSMB20A?

Compliance & Regulatory

Where can I find the 1KSMB20A datasheet?

What are equivalent replacements for 1KSMB20A?

Frequently Asked Questions

What is the price of 1KSMB20A?

Is 1KSMB20A in stock?

Where can I buy 1KSMB20A?

What is the datasheet for 1KSMB20A?

What package does 1KSMB20A 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 LITTELFUSE

More from LITTELFUSE

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