LM317D2T vs LM317BD2TR4

This in-depth comparison of the LM317D2T 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

LM317D2T

STMicroelectronics

Lifecycle: Active
Stock: 3705 PCS
Package: TO-263-3
Series: PMIC - Voltage Regulators - Linear

+BOM RFQ

Part B

LM317BD2TR4

onsemi

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

+BOM RFQ

Need help validating a replacement?

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

RFQ Contact technical support

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	LM317D2T	LM317BD2TR4
Part Status	Obsolete	Obsolete
Number of Regulators	1	1
Current - Output	1.5A	500mA
Operating Temperature	0°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount
Output Configuration	Positive	-
Output Type	Adjustable	-
Voltage - Input (Max)	40V	-
Voltage - Output (Min/Fixed)	1.2V	-
Voltage - Output (Max)	37V	-
PSRR	80dB ~ 65dB (120Hz)	-
Protection Features	Over Current, Over Temperature, Short Circuit	-

Compare RFQ