SP4045-04ATG LITTELFUSE TVS Diode (Uni-directional) (Small Outline Packages) In Stock

Name: SP4045-04ATG
Brand: LITTELFUSE
SKU: SP4045-04ATG
Availability: InStock

LITTELFUSE SP4045-04ATG is a tvs diode (uni-directional) for rectification, clamping, reverse-polarity protection, and switching circuits. Key specs include 10 pins, -40 to 125 °C, 4045-04 A, 7 A, with Small Outline Packages packaging. Use it for power rectifiers, clamp circuits, reverse-polarity protection, flyback paths, and compact switching boards with RFQ pricing, inquiry stock support, and worldwide shipping.

ACTIVETVS Diode (Uni-directional)Verified Jun 2026

Package / Visual Reference

SP4045-04ATGSmall Outline Packages

Quick Facts

Manufacturer: LITTELFUSE
Package: Small Outline Packages
Pin Count: 10
Lifecycle: ACTIVE
Datasheet: SP4045-04ATG Datasheet PDF
Category: TVS Diode (Uni-directional)
Price: From $0.2624(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of SP4045-04ATG?

10 pins tvs diode (uni-directional) parameter helps engineers match the part to existing BOM requirements
Small Outline Packages format supports footprint review, replacement sourcing, and production assembly planning
-40 to 125 °C rating context gives buyers a concrete comparison point for alternates and AVL checks
LITTELFUSE supply identity with active lifecycle context supports traceable RFQ handling

What is SP4045-04ATG used for?

LITTELFUSE SP4045-04ATG is commonly used in power rectifiers, clamp circuits, reverse-polarity protection, flyback paths, and compact switching boards where 10 pins must be matched to an existing design. It is suitable for OEM production, maintenance repair, prototype builds, and alternate-source reviews that require traceable component identification.

What are the specifications of SP4045-04ATG?

YTEOL	7
Additional Feature	LOW CAPACITANCE
Clamping Voltage-Max	7V
Configuration	SINGLE
Diode Element Material	SILICON
Diode Type	TRANS VOLTAGE SUPPRESSOR DIODE
JESD-30 Code	S-PDSO-G10
JESD-609 Code	e4
Non-rep Peak Rev Power Dis-Max	600W
Number of Elements	1
Package Body Material	PLASTIC/EPOXY
Package Shape	SQUARE
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Polarity	BIDIRECTIONAL
Reference Standard	AEC-Q101; IEC-61000-4-2, 4-4, 4-5
Rep Pk Reverse Voltage-Max	3.3V
Surface Mount	YES
Technology	AVALANCHE
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	10
Package	Small Outline Packages

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	Thailand

Where can I find the SP4045-04ATG datasheet?

SP4045-04ATG Datasheet Download

Official datasheet from LITTELFUSE

What are equivalent replacements for SP4045-04ATG?

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

Frequently Asked Questions

Which design checks make SP4045-04ATG suitable for tvs diode (uni-directional) sourcing?

SP4045-04ATG should be reviewed against the approved BOM because it provides 10 pins in a tvs diode (uni-directional) context for power rectifiers and related production designs.

For PCB and assembly planning, how should buyers treat the package on SP4045-04ATG?

Buyers should confirm the Small Outline Packages footprint and the listed 10 pins before substituting this part, because package mismatch can block assembly even when electrical ratings look similar.

When comparing alternate suppliers, which documented rating is most important to preserve?

Keep the -40 to 125 °C rating aligned with the original design requirement, then verify manufacturer, lifecycle, and datasheet traceability before approving an alternate RFQ line.

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.

Aug 6, 2026

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.

Aug 6, 2026

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.

Aug 4, 2026

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

Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.

Aug 4, 2026

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

About LITTELFUSE

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

View all LITTELFUSE parts →

More from LITTELFUSE

S6040R

Transistor Outline, Vertical

SCR

MDSM-4R-12-18

Other

Switch

SMAJ100CA

Diodes Moulded Non Polarised

TVS Diode (Bi-directional)

SMDJ28CA

Diodes Moulded

TVS Diode (Bi-directional)

SMDJ60A

Diodes Moulded

TVS Diode (Uni-directional)

SMCJ30CA

Diodes Moulded Non Polarised

TVS Diode (Bi-directional)

AvailabilityIn Stock

Reference Price (USD)

From $0.2624

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$0.2624	$0.26

pcs

Unit price: $0.2624 · Total: $0.26

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

SP4045-04ATG LITTELFUSE TVS Diode (Uni-directional) (Small Outline Packages) In Stock

What are the key features of SP4045-04ATG?

What is SP4045-04ATG used for?

What are the specifications of SP4045-04ATG?

Compliance & Regulatory

Where can I find the SP4045-04ATG datasheet?

What are equivalent replacements for SP4045-04ATG?

Frequently Asked Questions

Which design checks make SP4045-04ATG suitable for tvs diode (uni-directional) sourcing?

For PCB and assembly planning, how should buyers treat the package on SP4045-04ATG?

When comparing alternate suppliers, which documented rating is most important to preserve?

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

You May Also Like