STMicroelectronics SM4T47CAY, Bi-Directional TVS Diode, 400W, 2-Pin DO-214AC

RS Stock No.:: 168-7201
Mfr. Part No.:: SM4T47CAY
Brand:: STMicroelectronics

STMicroelectronics SM4T47CAY, Bi-Directional TVS Diode, 400W, 2-Pin DO-214AC

Subtotal (1 reel of 5000 units)*

£1,320.00

(exc. VAT)

£1,585.00

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 20 July 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Reel*
5000 +	£0.264	£1,320.00

*price indicative

RS Stock No.:: 168-7201
Mfr. Part No.:: SM4T47CAY
Brand:: STMicroelectronics

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	STMicroelectronics
	Direction Type	Bi-Directional
	Diode Configuration	Single
	Maximum Clamping Voltage	84V
	Minimum Breakdown Voltage	44.4V
	Mounting Type	Surface Mount
	Package Type	DO-214AC (SMA)
	Maximum Reverse Stand-off Voltage	40V
	Pin Count	2
	Peak Pulse Power Dissipation	400W
	Maximum Peak Pulse Current	27A
	Number of Elements per Chip	1
	Minimum Operating Temperature	-55 °C
	Dimensions	4.6 x 2.9 x 2.45mm
	Maximum Operating Temperature	+150 °C
	Test Current	1mA
	Width	2.9mm
	Height	2.45mm
	Length	4.6mm
	Automotive Standard	AEC-Q101
	Maximum Reverse Leakage Current	1µA

	Select all
	Brand STMicroelectronics
	Direction Type Bi-Directional
	Diode Configuration Single
	Maximum Clamping Voltage 84V
	Minimum Breakdown Voltage 44.4V
	Mounting Type Surface Mount
	Package Type DO-214AC (SMA)
	Maximum Reverse Stand-off Voltage 40V
	Pin Count 2
	Peak Pulse Power Dissipation 400W
	Maximum Peak Pulse Current 27A
	Number of Elements per Chip 1
	Minimum Operating Temperature -55 °C
	Dimensions 4.6 x 2.9 x 2.45mm
	Maximum Operating Temperature +150 °C
	Test Current 1mA
	Width 2.9mm
	Height 2.45mm
	Length 4.6mm
	Automotive Standard AEC-Q101
	Maximum Reverse Leakage Current 1µA

COO (Country of Origin):: MA

Automotive Transil™ TVS SMT 400W

The SM4TxxxAY Transil™ Transient Voltage Suppressor range has been designed to protect sensitive automotive circuits against surges defined in ISO 7637-2 and against electrostatic discharges according to ISO 10605. Qualified to AEC-Q101.

Package: DO-214AC (SMA)

RS Product Codes

795-7215 SM4T6V7AY Automotive 400W Unidirectional TVS, 6.7V

795-7287 SM4T6V7CAY Automotive 400W Bidirectional TVS, 6.7V

795-7237 SM4T10AY Automotive 400W Unidirectional TVS, 10V

795-7341 SM4T10CAY Automotive 400W Bidirectional TVS, 10V

795-7240 SM4T14CAY Automotive 400W Bidirectional TVS, 14V

795-7350 SM4T15AY Automotive 400W Unidirectional TVS, 15V

795-7354 SM4T15CAY Automotive 400W Bidirectional TVS, 15V

795-7313 SM4T18AY Automotive 400W Unidirectional TVS, 18V

795-7243 SM4T21CAY Automotive 400W Bidirectional TVS, 21V

795-7316 SM4T26AY Automotive 400W Unidirectional TVS, 26V

795-7338 SM4T28AY Automotive 400W Unidirectional TVS, 28V

795-7212 SM4T28CAY Automotive 400W Bidirectional TVS, 28V

795-8565 SM4T33AY Automotive 400W Unidirectional TVS, 33V

795-7357 SM4T33CAY Automotive 400W Bidirectional TVS, 33V

795-9170 SM4T35CAY Automotive 400W Bidirectional TVS, 35V

795-7326 SM4T39AY Automotive 400W Unidirectional TVS, 39V

795-8432 SM4T39CAY Automotive 400W Bidirectional TVS, 39V

795-7366 SM4T47CAY Automotive 400W Bidirectional TVS, 47V

795-7253 SM4T56AY Automotive 400W Unidirectional TVS, 56V

795-7304 SM4T56CAY Automotive 400W Bidirectional TVS, 56V

795-7293 SM4T68AY Automotive 400W Unidirectional TVS, 68V

795-7322 SM4T68CAY Automotive 400W Bidirectional TVS, 68V

795-7269 SM4T82CAY Automotive 400W Bidirectional TVS, 82V

Transient Voltage Suppressors, STMicroelectronics

Approvals

AEC-Q101

Standards

ISO 7637-2, ISO 10605