TSR 1-2433 is out of stock and can be placed on backorder.
Available Substitutes:

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Eaton - Electronics Division
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Unit Price: $6.16000
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Recom Power
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Linear Regulator Replacement DC DC Converter 1 Output 3.3V 1A 4.75V - 36V Input
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Regulator Replacement DC DC Converter 1 Output 3.3V 1A 4.75V - 36V Input
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TSR 1-2433

DigiKey Part Number
1951-2742-ND
Manufacturer
Manufacturer Product Number
TSR 1-2433
Description
DC DC CONVERTER 3.3V 3.3W
Manufacturer Standard Lead Time
18 Weeks
Customer Reference
Detailed Description
Linear Regulator Replacement DC DC Converter 1 Output 3.3V 1A 4.75V - 36V Input
Datasheet
 Datasheet
EDA/CAD Models
TSR 1-2433 Models
Product Attributes
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Category
Current - Output (Max)
1A
Mfr
Power (Watts)
3.3 W
Series
Applications
ITE (Commercial)
Packaging
Tube
Features
SCP
Part Status
Active
Operating Temperature
-40°C ~ 85°C (With Derating)
Type
Linear Regulator Replacement
Efficiency
91%
Number of Outputs
1
Mounting Type
Through Hole
Voltage - Input (Min)
4.75V
Package / Case
3-SIP Module
Voltage - Input (Max)
36V
Size / Dimension
0.46" L x 0.30" W x 0.40" H (11.7mm x 7.5mm x 10.1mm)
Voltage - Output 1
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
EPM78V2-03R3-01R0REaton - Electronics Division0283-EPM78V2-03R3-01R0R-ND$6.16000Similar
R-78B3.3-1.0Recom Power0945-1049-ND$10.70000Similar
R-78K3.3-1.0Recom Power0945-R-78K3.3-1.0-ND$3.48000Similar
In-Stock: 0
10 estimated in stock on 30-Oct-2026
Request Stock Notification
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$6.28000$6.28
5$6.05000$30.25
10$5.95300$59.53
25$5.82560$145.64
50$5.73120$286.56
100$5.63820$563.82
250$5.51728$1,379.32
500$5.42738$2,713.69
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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.