UC3842DTR is out of stock and can be placed on backorder.
Available Substitutes:

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Texas Instruments
In Stock: 0
Unit Price: $1.42000
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Microchip Technology
In Stock: 0
Unit Price: $2.71000
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Microchip Technology
In Stock: 0
Unit Price: $0.80000
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onsemi
In Stock: 7,500
Unit Price: $0.79000
Datasheet
Power Supply Controller PWM Controller 14-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

UC3842DTR

DigiKey Part Number
296-UC3842DTR-ND - Tape & Reel (TR)
296-UC3842DTRCT-ND - Cut Tape (CT)
296-UC3842DTRDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
UC3842DTR
Description
IC REG CTRLR PWM CM 14SOIC
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Power Supply Controller PWM Controller 14-SOIC
Datasheet
 Datasheet
EDA/CAD Models
UC3842DTR Models
Product Attributes
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Category
Current - Supply
11 mA
Manufacturer
Texas Instruments
Operating Temperature
0°C ~ 70°C (TA)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Mounting Type
Surface Mount
Part Status
Active
Package / Case
14-SOIC (0.154", 3.90mm Width)
Applications
PWM Controller
Supplier Device Package
14-SOIC
Voltage - Input
-0.3V ~ 6.3V
Base Product Number
Voltage - Supply
12V ~ 28V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UC3842ADTexas Instruments0296-11278-5-ND$1.42000Direct
MIC38HC42-1YMMicrochip Technology0MIC38HC42-1YM-ND$2.71000Similar
MIC38HC42-1YM-TRMicrochip Technology0MIC38HC42-1YM-TR-ND$0.80000Similar
UC3843BDR2Gonsemi7,500UC3843BDR2GOSTR-ND$0.79000Direct
In-Stock: 0
2,500 estimated in stock on 30-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.20000$1.20
10$0.86500$8.65
25$0.78280$19.57
100$0.69210$69.21
250$0.64884$162.21
500$0.62274$311.37
1,000$0.60126$601.26
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.57858$1,446.45
5,000$0.56492$2,824.60
7,500$0.55808$4,185.60
12,500$0.55049$6,881.12
17,500$0.54606$9,556.05
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.