LM317S vs LM317D2TR4

This in-depth comparison of the LM317S and LM317D2TR4 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

LM317S

National Semiconductor

Lifecycle
Active
Stock
2550 PCS
Package
TO-263-3
Series
PMIC - Voltage Regulators - Linear
Part B

LM317D2TR4

onsemi

Lifecycle
Active
Stock
2534 PCS
Package
TO-263
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 LM317S LM317D2TR4
Part Status Active Active
Number of Regulators - 1
Current - Output - 500mA
Operating Temperature - 0°C ~ 125°C
Mounting Type - Surface Mount