FDS8978 vs FDS8958A

This in-depth comparison of the FDS8978 and FDS8958A 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

FDS8978

onsemi

Lifecycle
Active
Stock
4738 PCS
Package
SOIC-8
Series
Transistors - FETs, MOSFETs - Arrays
+BOM RFQ
Part B

FDS8958A

Fairchild Semiconductor

Lifecycle
Active
Stock
3494 PCS
Package
SOIC-8
Series
Transistors - FETs, MOSFETs - Arrays
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification FDS8978 FDS8958A
Series PowerTrench® PowerTrench®
Part Status Active Active
FET Type 2 N-Channel (Dual) N and P-Channel
FET Feature Logic Level Gate Logic Level Gate
Drain to Source Voltage (Vdss) 30V 30V
Current - Continuous Drain(Id) @ 25°C 7.5A 7A, 5A
Rds On(Max) @ Id Vgs 18mOhm @ 7.5A, 10V 28mOhm @ 7A, 10V
Vgs(th)(Max) @ Id 2.5V @ 250µA 3V @ 250µA
Gate Charge(Qg)(Max) @ Vgs 26nC @ 10V 16nC @ 10V
Input Capacitance(Ciss)(Max) @ Vds 1270pF @ 15V 575pF @ 15V
Power - Max 1.6W 900mW
Operating Temperature -55°C ~ 150°C (TJ) -
Mounting Type Surface Mount Surface Mount
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