LM317KCS vs LM317BD2TR4

This in-depth comparison of the LM317KCS and LM317BD2TR4 provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

LM317KCS

Texas Instruments

Lifecycle
Active
Stock
5822 PCS
Series
Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Part B

LM317BD2TR4

onsemi

Lifecycle
Active
Stock
3344 PCS
Package
TO-263-3
Series
PMIC - Voltage Regulators - Linear

Need help validating a replacement?

Send your BOM and application constraints for technical and sourcing review.

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification LM317KCS LM317BD2TR4
Part Status Active Obsolete
Number of Regulators 1 1
Current - Output 1.5A 500mA
Operating Temperature 0°C ~ 125°C -40°C ~ 125°C
Mounting Type Through Hole Surface Mount
Base Product Number LM317 -
Output Configuration Positive -
Output Type Adjustable -
Voltage - Input (Max) 40V -
Voltage - Output (Min / Fixed) 1.25V -
Voltage - Output (Max) 37V -
Current - Quiescent (Iq) 10 mA -
PSRR 80dB ~ 65dB (120Hz) -
Protection Features Over Current, Over Temperature, Short Circuit -
Packaging Tube -