RT9742AGJ5F The Richtek RT9742AGJ5F is an N-Channel power distribution switch designed for high-side applications. It offers a 3A maximum output current and operates with a 1:1 ratio.
Mfr Part #:

RT9742AGJ5F

Available from 4 distributors
Mfr Name: Richtek
Richtek
The Richtek RT9742AGJ5F is an N-Channel power distribution switch designed for high-side applications. It offers a 3A maximum output current and operates with a 1:1 ratio.
Total Stock: 6,336 pcs
$ Price Range: $0.32

RT9742AGJ5F Available from 4 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
181 pcs
181 pcs On Request 1 On Request On Request 18+ On Request On Request
Non-Authorised Inventory information
135 pcs
135 pcs On Request 1 On Request On Request On Request On Request On Request
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20 pcs
20 pcs On Request 1 On Request On Request On Request On Request On Request

RT9742AGJ5F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Fault Protection
Features
Input Type
Interface
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Ratio
Rds On (Typ)
Supplier Device Package
Switch Type
Voltage

RT9742AGJ5F Description

Short technical summary and product information.

The Richtek RT9742AGJ5F is an integrated circuit designed as a power distribution switch and load driver. It features an N-Channel, high-side output configuration with a 1:1 input-to-output ratio and a maximum output current of 3A.

 

Key electrical specifications include a typical RdsOn of 55mOhm and a non-inverting, On/Off interface. The device incorporates features such as load discharge and a status flag, along with fault protection mechanisms including fixed current limiting, over-temperature protection, reverse current protection, and UVLO (Under-Voltage Lockout).

 

This component operates within a temperature range of -40°C to 85°C (TA). It is housed in a surface-mount TSOT-23-5 package, making it suitable for compact electronic designs. The RoHS status is reported as RoHS3 Compliant, with an MSL of 1 Unlimited and REACH Unaffected status.

 

Ideal for applications requiring controlled power delivery and protection, the RT9742AGJ5F is a versatile solution for various power management needs.

RT9742AGJ5F Quick Information

Product Type: Power Distribution Switch
Canonical Name: RT9742AGJ5F Power Distribution Switch
Subcategory: Load Driver

RT9742AGJ5F Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

RT9742AGJ5F Estimated Pricing

Qty Low High
1+ $0.32 $0.32

Estimated market price range - modelled values for guidance only, not live distributor offers.

RT9742AGJ5F Features

  • N-Channel high-side power switch.
  • 3A maximum output current.
  • 55mOhm typical on-resistance.
  • Includes load discharge and status flag.
  • TSOT-23-5 surface-mount package.

RT9742AGJ5F Applications

  • Used for USB power control.
  • Suitable for load driving.
  • Provides overcurrent protection.
  • Enables status monitoring.

RT9742AGJ5F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum output current for the RT9742AGJ5F?

The maximum output current is 3A.

What is the typical on-resistance (Rds On) for this switch?

The typical Rds On is 55mOhm.

What type of interface does the RT9742AGJ5F use?

The interface is On/Off.

What fault protection features are included?

Fault protection includes Current Limiting (Fixed), Over Temperature, Reverse Current, and UVLO.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C (TA).

What package type is the RT9742AGJ5F supplied in?

It is supplied in a TSOT-23-5 (FC) package.

Is the RT9742AGJ5F RoHS compliant?

The RoHS status is RoHS3 Compliant.

RT9742AGJ5F Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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