EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
RT9742ENGJ5 Real Image
Same model may have multiple batches, images only for reference.

RT9742ENGJ5

Part No RT9742ENGJ5
Manufacturer Richtek USA Inc.
Catalog PMIC - Power Distribution Switches, Load Drivers
Description IC PWR SWTCH N-CHAN 1:1 TSOT23-5 / Power Switch/Driver 1:1 N-Channel 1.5A TSOT-23-5
Datasheet
RT9742ENGJ5 Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits (ICs)>PMIC - Power Distribution Switches, Load Drivers
Mfr Richtek USA Inc.
Package Tape & Reel
Switch Type USB Switch
Number of Outputs 1
Output Configuration High Side
Output Type N-Channel
Interface On/Off
Voltage - Load 2.7V ~ 6V
Supply Voltage - Operating Not Required
Current - Output (Max) 1.5A
Rds On (Typ) 70mOhm
Input Type Non-Inverting
Features Status Flag
Fault Protection Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
Temperature Range - Operating -40°C ~ 85°C (TA)
Mounting SMD (SMT)
Supplier Device Package TSOT-23-5
Package / Case SOT-23-5 Thin, TSOT-23-5
Base Product Number RT9742
MSL Level 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001
Other Names 1028-1434-6,1028-1434-2,1028-1434-1,-RT9742ENGJ5
Standard Package 3,000
Win Source Part Number 970204-RT9742ENGJ5
Ultra Librarian 3D Model Ultra Librarian RT9742ENGJ5 CAD Model

Description

The Richtek USA Inc. RT9742ENGJ5 is a high-side USB switch with a current limit, over-temperature protection, reverse current protection, and UVLO (Under Voltage Lock Out).

  • Current Output: 1.5A
  • Voltage Range: 2.7V to 6V
  • Package: SOT-23-5 Thin or TSOT-23-5
  • Operating Temperature: -40°C to 85°C

You May Also Be Interested in

Picture of MIC2564A-0YTS
MIC2564A-0YTS
Microchip Technology
DUAL SERIAL PCMCIA CONTROLLER
Need more? Email Us
Picture of TPS2055D
TPS2055D
Texas Instruments
IC PWR SWITCH N-CHAN 1:1 8SOIC
Lowest to $7.7816
Picture of MIC94070YC6-TR
MIC94070YC6-TR
Microchip Technology
IC PWR SWITCH P-CHAN 1:1 SC70-6
Lowest to $0.9210
BD2240G-GTR Rohm Semiconductor – Price, Stock & Datasheet
BD2240G-GTR
Rohm Semiconductor
IC PWR SWITCH N-CHAN 1:1 5SSOP
Need more? Email Us
MIC2566-0YM Microchip Technology – Price, Stock & Datasheet
MIC2566-0YM
Microchip Technology
PC CARD/CARDBUS POWER CONTRLR
Need more? Email Us
BD82061FVJ-LBE2 Rohm Semiconductor – Price, Stock & Datasheet
BD82061FVJ-LBE2
Rohm Semiconductor
IC HIGH SIDE SWITCH 1CH 8-TSSOP
Need more? Email Us
BD2066FJ-LBE2 Rohm Semiconductor – Price, Stock & Datasheet
BD2066FJ-LBE2
Rohm Semiconductor
IC PWR SWITCH N-CHAN 1:2 SOP-J8
Need more? Email Us
NSE11409-QSPR NOVOSENSE – Price, Stock & Datasheet
NSE11409-QSPR
NOVOSENSE
AUTO 1CH LOW SIDE SWITCH
Need more? Email Us
TPS2063D Texas Instruments – Price, Stock & Datasheet
TPS2063D
Texas Instruments
IC PWR SWTCH N-CH 1:2/1:1 16SOIC
Lowest to $1.8539

Top Sellers

FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0214
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $21.9925
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797

Pricing & Ordering

Quantity Unit Price Ext. Price
23+ $2.6115 $60.0645
54+ $2.1437 $115.7598
84+ $2.0767 $174.4428
115+ $2.0097 $231.1155
149+ $1.9427 $289.4623
199+ $1.7417 $346.5983
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 4,200 pieces
MOQ: 23 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess