Infineon High Side 1, High Side Power Switch Power Switch IC 4-Pin, SOT-223

RS Stock No.:: 178-7478
Mfr. Part No.:: BTS4142NHUMA1
Manufacturer:: Infineon

Infineon High Side 1, High Side Power Switch Power Switch IC 4-Pin, SOT-223

This image is representative of the product range

Subtotal (1 reel of 4000 units)*

PHP330,516.00

(exc. VAT)

PHP370,176.00

(inc. VAT)

FREE delivery for orders over ₱3,000.00

Temporarily out of stock

Shipping from February 15, 2027

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Units	Per Unit	Per Reel*
4000 +	PHP82.629	PHP330,516.00

*price indicative

RS Stock No.:: 178-7478
Mfr. Part No.:: BTS4142NHUMA1
Manufacturer:: Infineon

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Infineon
	Power Switch Topology	High Side
	Power Switch Type	High Side Power Switch
	Product Type	Power Switch IC
	Switch On Resistance RdsOn	320mΩ
	Number of Inputs	1
	Power Rating	1.4W
	Mount Type	Surface
	Minimum Supply Voltage	-10V
	Package Type	SOT-223
	Pin Count	4
	Maximum Supply Voltage	45V
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	125°C
	Standards/Approvals	No
	Height	1.6mm
	Length	6.5mm
	Series	BTS4142N
	Automotive Standard	AEC

	Select all
	Brand Infineon
	Power Switch Topology High Side
	Power Switch Type High Side Power Switch
	Product Type Power Switch IC
	Switch On Resistance RdsOn 320mΩ
	Number of Inputs 1
	Power Rating 1.4W
	Mount Type Surface
	Minimum Supply Voltage -10V
	Package Type SOT-223
	Pin Count 4
	Maximum Supply Voltage 45V
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 125°C
	Standards/Approvals No
	Height 1.6mm
	Length 6.5mm
	Series BTS4142N
	Automotive Standard AEC

Smart Highside Power Switch BTS4142N

Infineon BTS4142N Series Power Switch IC, 1.4W Power Rating, 45V Maximum Supply Voltage - BTS4142NHUMA1

This power switch IC is a high-side switching device intended for automotive electrical systems, providing controlled distribution of multiple loads from a single input. It is designed for surface-mount application and supports operation across automotive-grade temperature extremes, enabling integration into vehicle electronics where robust load switching and system-level protection are required.

Features and Benefits:

• Five independent outputs reduce external component count
• Low on-resistance of 320mΩ minimises conduction losses
• Maximum supply capability of 45V tolerates transient events
• Power handling rated at 1.4W supports moderate load dissipation
• Operating range from -40 to 125°C suits harsh environments
• Four-pin SOT-223 package allows compact surface mounting

Applications

• Suitable for switching multiple lighting circuits in vehicles
• Ideal for controlling accessory loads in body electronics
• Used with fused power rails in distributed power architectures
• Can be used for intermittent motor or actuator control
• Suitable for integration into centralised power distribution modules

What package footprint is required for board layout?

A SOT-223 four-pin footprint with surface-mount pads and appropriate thermal vias is required to accommodate soldering and heat dissipation.

How does the device cope with short-duration voltage spikes?

It is specified for a maximum supply capability up to 45V, allowing it to withstand typical automotive transient overvoltage events within that limit.

What input and output pairing does it provide?

The device accepts a single input and distributes it to five separate outputs, enabling centralised control from one supply source.

What thermal conditions should be considered during design?

The component is rated for operation from -40 to 125°C, so board placement and cooling strategies should account for ambient extremes and the 1.4W dissipation.