LM317S vs LM317KCE3

This in-depth comparison of the LM317S and LM317KCE3 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
+BOM RFQ
Part B

LM317KCE3

Texas Instruments

Lifecycle
Active
Stock
7132 PCS
Package
TO-220-3
Series
PMIC - Voltage Regulators - Linear
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification LM317S LM317KCE3
Part Status Active Obsolete
Output Configuration - Positive
Output Type - Adjustable
Number of Regulators - 1
Voltage - Input (Max) - 40V
Voltage - Output (Min/Fixed) - 1.25V
Voltage - Output (Max) - 37V
Current - Output - 1.5A
PSRR - 80dB ~ 65dB (120Hz)
Protection Features - Over Current, Over Temperature, Short Circuit
Operating Temperature - 0°C ~ 125°C
Mounting Type - Through Hole
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