MPN

Infineon HEXFET Type N-Channel MOSFET, 18 A, 40 V Enhancement, 8-Pin SOIC IRF7842TRPBF

RS Stock No.:: 827-3899
Mfr. Part No.:: IRF7842TRPBF
Brand:: Infineon

Infineon HEXFET Type N-Channel MOSFET, 18 A, 40 V Enhancement, 8-Pin SOIC IRF7842TRPBF

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Subtotal (1 pack of 10 units)*

£7.11

(exc. VAT)

£8.53

(inc. VAT)

FREE delivery for orders over £60.00

Temporarily out of stock

Shipping from 07 September 2026

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Units	Per unit	Per Pack*
10 - 40	£0.711	£7.11
50 - 90	£0.676	£6.76
100 - 240	£0.647	£6.47
250 - 490	£0.605	£6.05
500 +	£0.569	£5.69

*price indicative

RS Stock No.:: 827-3899
Mfr. Part No.:: IRF7842TRPBF
Brand:: Infineon

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Infineon
	Product Type	MOSFET
	Channel Type	Type N
	Maximum Continuous Drain Current Id	18A
	Maximum Drain Source Voltage Vds	40V
	Series	HEXFET
	Package Type	SOIC
	Mount Type	Surface
	Pin Count	8
	Maximum Drain Source Resistance Rds	5.9mΩ
	Channel Mode	Enhancement
	Typical Gate Charge Qg @ Vgs	33nC
	Forward Voltage Vf	1V
	Maximum Power Dissipation Pd	2.5W
	Minimum Operating Temperature	-55°C
	Maximum Operating Temperature	150°C
	Height	1.5mm
	Length	5mm
	Standards/Approvals	No
	Automotive Standard	No

	Select all
	Brand Infineon
	Product Type MOSFET
	Channel Type Type N
	Maximum Continuous Drain Current Id 18A
	Maximum Drain Source Voltage Vds 40V
	Series HEXFET
	Package Type SOIC
	Mount Type Surface
	Pin Count 8
	Maximum Drain Source Resistance Rds 5.9mΩ
	Channel Mode Enhancement
	Typical Gate Charge Qg @ Vgs 33nC
	Forward Voltage Vf 1V
	Maximum Power Dissipation Pd 2.5W
	Minimum Operating Temperature -55°C
	Maximum Operating Temperature 150°C
	Height 1.5mm
	Length 5mm
	Standards/Approvals No
	Automotive Standard No

Infineon HEXFET Series MOSFET, 18A Maximum Continuous Drain Current, 2.5W Maximum Power Dissipation - IRF7842TRPBF

This MOSFET delivers high performance in various electronic applications. With specifications including an 18A continuous drain current and a maximum drain-source voltage of 40V, it enhances power efficiency for electronic devices. Designed for surface mount technology, this device ensures durability and is suitable for professionals in electronics and automation.

Features & Benefits

• Low Rds(on) at 4.5V improves efficiency

• High current handling optimises power delivery

• Minimal gate charge reduces switching losses

• Avalanche rated to enhance reliability

• N-channel configuration supports effective performance in control applications

Applications

• Used in synchronous MOSFET circuits for notebook processor power

• Acts as secondary synchronous rectification in isolated DC-DC converters

• Functions in non-isolated DC-DC converter designs

What is the maximum operating temperature for this device?

It operates efficiently up to +150°C, ensuring reliability in high-temperature environments.

How does this component handle current during operation?

The device supports a continuous drain current of 18A, suitable for various applications.

Can it be used in high-voltage circuits?

Yes, the maximum drain-source voltage is rated at 40V, providing flexibility for high-voltage applications.

What are the thermal resistance characteristics?

The thermal resistance from junction-to-ambient is typically around 50-55°C/W, facilitating effective heat dissipation.

Is this MOSFET compatible with surface mount technology?

Yes, it is available in a SOIC package specifically designed for surface mounting, enhancing ease of integration in circuit designs.

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