Circuit Protection > TVS Diodes

SM4T28AY - STMicroelectronics

TVS DIODE 24V 50V SMA

Technical Details

Case/Package	SMA
Clamping Voltage	50V
Diode Type	ZENER
Direction	Unidirectional
Height	2.45mm
Leakage Current	200nA
Length	4.6mm
Max Breakdown Voltage	29.5V
Min Breakdown Voltage	26.7V
Max Operating Temperature	150°C
Min Operating Temperature	-55°C
Max Reverse Leakage Current	200nA
Mount	Surface Mount
Number of Channels	1
Number of Elements	1
Number of Pins	2
Number of Unidirectional Channels	1
Package Quantity	5000
Packaging	Tape and Reel
Peak Pulse Current	46A
Peak Pulse Power	400W
Polarity	Unidirectional
Power Line Protection	No
Reach SVHC Compliant	No
Reverse Breakdown Voltage	26.7V
Reverse Standoff Voltage	24V
RoHS Compliant	Yes
Series	Automotive, AEC-Q101, SM4TY, TRANSIL™
Termination	SMD/SMT
Test Current	1mA
Width	2.9mm

Compliance

RoHS : Compliant

Images

STMicroelectronics SM4T28AY | Mouser

Mouser

Datasheets

Digikey

SM4T28AY datasheet (pdf, 231.4 KB)

SM4T28AY datasheet (pdf, 231.4 KB)

SM4T28AY datasheet (pdf, 231.4 KB)

Lifecycle Status Indicator

Volume Production

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Littelfuse	SMAJ24A	Volume Production
Bourns	SMAJ24A	Volume Production
Littelfuse	SMAJ26A	Volume Production
Littelfuse	SMAJ24	Volume Production
MCC	SMAJ26A-TP	Volume Production
STMicroelectronics	SMAJ24A-TR	Volume Production
ON Semiconductor	1SMA24AT3G	Volume Production
Vishay Semiconductors	SMA5J24A-E3/61	Volume Production
Vishay	SMAJ24AE361	Unknown
Diodes	SMAJ24A-13-F	Volume Production

See more alternatives See less alternatives

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Authorized Distributors

Distributor

SKU

History

Stock

USD

1

10

50

100

1000

10000

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Mouser

US: 18,476

$

0.76

0.554

0.554

0.333

0.333

0.332

Digikey

US: 4,287

$

0.77

0.566

0.566

0.333

0.333

0.333

Digikey

US: 4,287

$

0.77

0.566

0.566

0.333

0.333

0.333

Digikey

US: 0

$

0.3328

Newark

US: 2,834

$

0.542

0.542

0.287

0.221

0.221

Avnet

US: 0

$

0.3503

Arrow Electronics

US: 0

$

0.4043

Element14

SG: 2,834

$

0.667

0.667

0.3961

0.3612

0.3604

Farnell

GB: 2,834

$

0.6655

0.6655

0.3947

0.3606

0.3593

Anglia

GB: 0

$

0.1159

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Component Stockers USA

US: 17,651

$

0.74

0.56

0.56

0.30

0.19

0.32

Weyland Electronics Group Pte. Ltd.

SG: 15,546

$

0.355

0.355

0.355

0.355

0.355

0.355

Tactical IC USA

US: 83,333

$

0.12

Decca Corp

PL: 100

$

0.5498

0.5498

0.5498

0.5498

0.5498

0.5498

Lucentia Tech

US: 15,929

$

0.2848

0.2706

0.2706

0.2563

1.08

1.08

RX Electronics Limited

CN: 50,713

$

0.566

0.566

0.423

0.423

0.423

Fmall Co. Limited

HK: 23,940

$

0.2792

0.2792

0.2792

0.2612

0.2462

0.2252

Aztech

IT: 652

$

0.1294

0.1294

0.1294

0.1294

0.1294

0.1294

Corohmni

US: 99

$

0.446

0.446

0.446

0.446

0.446

0.446

LCSC

CN: 51

$

0.5617

0.551

0.5433

0.5341

0.5341

0.5341

Chipsmall Limited

CN: 299,891

$

0.9356

0.6237

0.6237

0.3742

0.3119

0.3119

SHENGYU ELECTRONICS

CN: 14,288

$

0.979

0.9594

0.9594

0.9301

0.9007

0.8615

Eastek

TW: 30,000

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0.088

Classic Components

US: 23,100

$

Origin Data Global Limited

CN: 15,500

$

1.556

1.444

1.389

1.333

Ampacity Systems

MY: 1,328

$

IBS Electronics

US: 0

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Rebound Electronics

GB: 12

$

Lingto Electronic Ltd.

CN: 36,371

$

1.00

0.95

0.95

0.90

0.89

0.88

Sourceability

US: 8,000

$

Abacus Technologies

US: 0

$

AAA CHIPS

HK: 5,022

$

0.7832

0.6389

0.6389

0.4969

0.4969

0.4969

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