LM317AT vs LM317BT

This in-depth comparison of the LM317AT and LM317BT 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

LM317AT

Texas Instruments

Lifecycle
Active
Stock
3354 PCS
Series
Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
+BOM RFQ
Part B

LM317BT

onsemi

Lifecycle
Active
Stock
7292 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 LM317AT LM317BT
Part Status Obsolete Obsolete
Base Product Number LM317 -
Output Configuration Positive Positive
Output Type Adjustable Adjustable
Number of Regulators 1 1
Voltage - Input (Max) 40V 40V
Voltage - Output (Min / Fixed) 1.25V -
Voltage - Output (Max) 37V 37V
Current - Output 1.5A 1.5A
Current - Quiescent (Iq) 10 mA 10 mA
PSRR 80dB ~ 65dB (120Hz) 80dB ~ 65dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Through Hole Through Hole
Packaging Tube -
Voltage - Output (Min/Fixed) - 1.2V
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