Linear Regulator Replacement DC DC Converter 1 Output 3.3V 1.5A 4.75V - 18V Input
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Linear Regulator Replacement DC DC Converter 1 Output 3.3V 1.5A 4.75V - 18V Input
R-78B-1.5 Series

R-78B3.3-1.5

DigiKey Part Number
945-1051-ND
Manufacturer
Manufacturer Product Number
R-78B3.3-1.5
Description
DC DC CONVERTER 3.3V 4.95W
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Linear Regulator Replacement DC DC Converter 1 Output 3.3V 1.5A 4.75V - 18V Input
Datasheet
 Datasheet
EDA/CAD Models
R-78B3.3-1.5 Models
Product Attributes
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Category
Current - Output (Max)
1.5A
Mfr
Power (Watts)
4.95 W
Series
Applications
ITE (Commercial)
Packaging
Tube
Features
OTP, SCP
Part Status
Active
Operating Temperature
-40°C ~ 85°C
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)
18V
Size / Dimension
0.45" L x 0.33" W x 0.69" H (11.5mm x 8.5mm x 17.5mm)
Voltage - Output 1
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
42 estimated in stock on 20-Nov-2026
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Maximum purchase limit
To support all customers' research and development needs, this product has a maximum purchase limit. This limit may be purchased every 30 days and any orders above the limit may be cancelled.
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$12.94000$12.94
5$12.45600$62.28
10$12.25500$122.55
25$11.99280$299.82
50$11.79820$589.91
100$11.60630$1,160.63
250$11.35712$2,839.28
500$11.17190$5,585.95
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.