SZ1SMA43AT3G LITTELFUSE TVS Diode (Uni-directional) (Diodes Moulded) In Stock

Name: SZ1SMA43AT3G
Brand: LITTELFUSE
SKU: SZ1SMA43AT3G
Availability: InStock

SZ1SMA43AT3G is a LITTELFUSE diode for rectification and reverse-polarity protection. Key specs include 52.8 V, 2 pins, and Diodes Moulded. From quoted pricing with in stock worldwide shipping support.

ACTIVETVS Diode (Uni-directional)Verified Jun 2026

Package / Visual Reference

SZ1SMA43AT3GDiodes Moulded

Quick Facts

Manufacturer: LITTELFUSE
Package: Diodes Moulded
Pin Count: 2
Lifecycle: ACTIVE
Datasheet: SZ1SMA43AT3G Datasheet PDF
Category: TVS Diode (Uni-directional)
Price: From $0.1435(MOQ 20)
Temp Range: -65.0°C to 175.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of SZ1SMA43AT3G?

52.8 V rating for diode selection
2 pins context for footprint and sourcing checks
Diodes Moulded format for practical PCB assembly
Designed for rectification and related OEM builds
-65 deg C to 175 deg C operating context from the available record

What is SZ1SMA43AT3G used for?

SZ1SMA43AT3G is suited for rectification, reverse-polarity protection, switching, and power management circuits where buyers need a diode with 52.8 V. It is appropriate for prototype builds, maintenance replacements, and production sourcing when the 2 pins and package fit the approved design.

What are the specifications of SZ1SMA43AT3G?

YTEOL	5.98
Additional Feature	EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE
Breakdown Voltage-Max	52.8V
Breakdown Voltage-Min	47.8V
Breakdown Voltage-Nom	50.3V
Clamping Voltage-Max	69.4V
Configuration	SINGLE
Diode Element Material	SILICON
Diode Type	TRANS VOLTAGE SUPPRESSOR DIODE
Forward Voltage-Max (VF)	3.5V
JEDEC-95 Code	DO-214AC
JESD-30 Code	R-PDSO-C2
JESD-609 Code	e3
Non-rep Peak Rev Power Dis-Max	400W
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	1.2W
Reference Standard	AEC-Q101; IEC-61000-4-2; UL RECOGNIZED
Rep Pk Reverse Voltage-Max	43V
Reverse Current-Max	2.5 µA
Reverse Test Voltage	43V
Surface Mount	YES
Technology	AVALANCHE
Terminal Finish	MATTE TIN
Terminal Form	C BEND
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	40
Package	Diodes Moulded

Compliance & Regulatory

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

Where can I find the SZ1SMA43AT3G datasheet?

SZ1SMA43AT3G Datasheet Download

Official datasheet from LITTELFUSE

What are equivalent replacements for SZ1SMA43AT3G?

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

Frequently Asked Questions

Which designs are a good fit for SZ1SMA43AT3G from LITTELFUSE?

SZ1SMA43AT3G fits rectification, reverse-polarity protection, switching, and power management circuits when designers need 52.8 V in a diode. The available record also highlights 2 pins, helping engineers screen electrical and mechanical compatibility before release.

How should buyers check PCB or assembly fit for SZ1SMA43AT3G?

Review the Diodes Moulded details and confirm 2 pins against the target footprint, mating connector, or circuit layout. A mismatch in 2 pins can block assembly even when the electrical rating looks acceptable.

What procurement details matter when approving alternates for SZ1SMA43AT3G?

Procurement should match the 52.8 V, 2 pins, manufacturer series, lifecycle status, and compliance requirements before substitution. Even one changed rating such as 2 pins can affect qualification, safety margin, or board fit.

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AvailabilityIn Stock

Reference Price (USD)

From $0.1435

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
20+	$0.3800	$7.60
100+	$0.2620	$26.20
500+	$0.1980	$99.00
1000+	$0.1650	$165.00
2500+	$0.1537	$384.25
3750+	$0.1435	$538.13

pcs

Unit price: $0.3800 · Total: $7.60

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

SZ1SMA43AT3G LITTELFUSE TVS Diode (Uni-directional) (Diodes Moulded) In Stock

What are the key features of SZ1SMA43AT3G?

What is SZ1SMA43AT3G used for?

What are the specifications of SZ1SMA43AT3G?

Compliance & Regulatory

Where can I find the SZ1SMA43AT3G datasheet?

What are equivalent replacements for SZ1SMA43AT3G?

Frequently Asked Questions

Which designs are a good fit for SZ1SMA43AT3G from LITTELFUSE?

How should buyers check PCB or assembly fit for SZ1SMA43AT3G?

What procurement details matter when approving alternates for SZ1SMA43AT3G?

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

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