L4981AD vs L4981BD

This in-depth comparison of the L4981AD and L4981BD 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

ISO9001 Quality Control ISO45001 ISO14001 100% Genuine
Part A

L4981AD

STMicroelectronics

Lifecycle
Active
Stock
5861 PCS
Package
SO-20
Series
PMIC - PFC (Power Factor Correction)
+BOM RFQ
Part B

L4981BD

STMicroelectronics

Lifecycle
Active
Stock
2684 PCS
Package
SO-20
Series
PMIC - PFC (Power Factor Correction)
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification L4981AD L4981BD
Part Status Active Active
Mode Average Current Average Current
Frequency - Switching 100kHz 100kHz
Current - Startup 100 µA 100 µA
Voltage - Supply 14.5V ~ 19.5V 14.5V ~ 19.5V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
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