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RT9742EGJ5 The RICHTEK RT9742EGJ5 is a high-side N-channel power load switch. It offers a 1.65A current limit and a low 0.07 Ohm on-state resistance.
Mfr Part #:

RT9742EGJ5

Available from 3 distributors
Mfr Name: Richtek
Richtek
The RICHTEK RT9742EGJ5 is a high-side N-channel power load switch. It offers a 1.65A current limit and a low 0.07 Ohm on-state resistance.
✓ Total Stock: 9,311 pcs
$ Price Range: $0.32

RT9742EGJ5 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
8,861 pcs
On Request
8861 pcs On Request 1 On Request On Request 16+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
400 pcs
On Request
400 pcs On Request 1 On Request On Request 16+ On Request On Request
Fe Components ✓
Non-Authorised Inventory information
50 pcs
On Request
50 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

RT9742EGJ5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Fault Protection
Features
Input Type
Input Voltage
Interface
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Ratio
Rds On (Typ)
SVHC Present
Supplier Device Package
Switch Type
Voltage
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RT9742EGJ5 Description

Short technical summary and product information.

The RICHTEK RT9742EGJ5 is a high-side N-channel power load switch designed for power distribution applications. It features a current limit of 1.65A and a typical on-state resistance of 0.07 Ohms, ensuring efficient power delivery.

 

This IC operates with an input voltage of up to 6V and includes essential fault protection mechanisms such as current limiting, over-temperature protection, reverse current protection, and undervoltage lockout (UVLO). The interface is controlled via an On/Off input, and it provides features like load discharge and a status flag.

 

The RT9742EGJ5 is housed in a compact TSOT-23-5 package, suitable for surface mount applications. It operates within a temperature range of -40°C to 85°C (TA). Its design makes it a versatile component for various power management needs where reliable load switching and protection are critical.

RT9742EGJ5 Quick Information

Product Type: Power Switch IC
Canonical Name: RT9742EGJ5 High Side Power Load Switch
Subcategory: Power Distribution Switches, Load Drivers

RT9742EGJ5 Compliance

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

RT9742EGJ5 Estimated Pricing

Qty Low High
1+ $0.32 $0.32

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

RT9742EGJ5 Features

  • High-side N-channel power load switch.
  • 1.65A current limit for protection.
  • Low 0.07 Ohm on-state resistance.
  • Integrated fault protection features.
  • Compact TSOT-23-5 package.

RT9742EGJ5 Applications

  • Ideal for power distribution circuits.
  • Suitable for USB power switching.
  • Used in portable electronic devices.
  • Provides robust load control.

RT9742EGJ5 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current limit for the RT9742EGJ5?

The current limit for the RT9742EGJ5 is 1.65 A.

What is the input voltage range for this power switch IC?

The input voltage for the RT9742EGJ5 is 6 V.

What is the typical on-state resistance of the RT9742EGJ5?

The typical on-state resistance is 0.07 Ohms.

What is the operating temperature range?

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

What package type is the RT9742EGJ5 supplied in?

The RT9742EGJ5 is supplied in a TSOT-23-5 package.

Does the RT9742EGJ5 have thermal protection?

Yes, the RT9742EGJ5 has thermal protection.

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