SI3402-B-GM vs SI3401-E1-GM

This in-depth comparison of the SI3402-B-GM and SI3401-E1-GM 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

SI3402-B-GM

Skyworks Solutions Inc.

Lifecycle: Active
Stock: 3032 PCS
Package: VQFN-20
Series: PMIC - Power Over Ethernet (PoE) Controllers

+BOM RFQ

Part B

SI3401-E1-GM

Skyworks Solutions Inc.

Lifecycle: Active
Stock: 5882 PCS
Package: VQFN-20
Series: PMIC - Power Over Ethernet (PoE) Controllers

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	SI3402-B-GM	SI3401-E1-GM
Part Status	Active	Obsolete
Type	Controller (PD), DC/DC	Controller (PD), DC/DC
Number of Channels	1	1
Power - Max	17 W	15 W
Internal Switch(s)	Yes	Yes
Auxiliary Sense	No	No
Standards	802.3at (PoE+), 802.3af (PoE)	802.3af (PoE)
Voltage - Supply	2.8V ~ 57V	2.8V ~ 57V
Supply Current	2mA	2mA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount

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