NCP1377DR2G vs NCP1339FDR2G

This in-depth comparison of the NCP1377DR2G and NCP1339FDR2G 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

NCP1377DR2G

onsemi

Lifecycle: Active
Stock: 3252 PCS
Package: SOIC-8
Series: PMIC - AC DC Converters, Offline Switchers

+BOM RFQ

Part B

NCP1339FDR2G

onsemi

Lifecycle: Active
Stock: 4305 PCS
Package: SOIC-14
Series: PMIC - AC DC Converters, Offline Switchers

+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	NCP1377DR2G	NCP1339FDR2G
Part Status	Last Time Buy	Obsolete
Output Isolation	Isolated	Isolated
Internal Switch(s)	No	No
Topology	Flyback	Flyback
Voltage - Start Up	12.5 V	15 V
Voltage - Supply (Vcc/Vdd)	7.5V ~ 18V	10V ~ 28V
Fault Protection	Current Limiting, Over Temperature, Over Voltage	Current Limiting, Over Load, Over Temperature, Over Voltage
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Frequency - Switching	Up to 100kHz	-

Compare RFQ