How do the onsemi onsemi SI44 Series variants differ?

onsemi SI44 Series part numbers differ by current - continuous drain (Id) @ 25°C, drive voltage (Max rds on, min rds on), gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.

How many onsemi onsemi SI44 Series part numbers are listed?

3 onsemi onsemi SI44 Series part numbers are listed, each with specifications and a datasheet where available.

onsemi SI44 Series

3 variants · onsemi

About the onsemi onsemi SI44 Series series

The onsemi onsemi SI44 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common case of 8-SOIC (0.154\", 3.90mm Width), drain to source voltage of 20 V and FET feature of -. Variants differ by current - continuous drain (Id) @ 25°C, drive voltage (Max rds on, min rds on) and gate charge (Qg) (Max) @ vgs, so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below.

Select a variant by

Current - continuous drain (Id) @ 25°C: 11.5A (Ta) · 13.5A (Ta)
Drive voltage (Max rds on, min rds on): 1.8V, 4.5V · 2.5V, 4.5V
Gate charge (Qg) (Max) @ vgs: 60 nC @ 4.5 V · 120 nC @ 4.5 V
Input capacitance (Ciss) (Max) @ vds: 4481 pF @ 10 V · 8237 pF @ 10 V
Operating temperature: -55°C~150°C(TJ) · -55°C~175°C(TJ)
Power dissipation: 1W (Ta) · 1.2W (Ta)
Rds on (Max) @ id, vgs: 8.5mOhm @ 13.5A, 4.5V · 12mOhm @ 11.5A, 4.5V
Vgs: ±8V · ±12V

Variant comparison

Parameter	SI4463DY	SI4467DY
Current - continuous drain (Id) @ 25°C	11.5A (Ta)	13.5A (Ta)
Drive voltage (Max rds on, min rds on)	2.5V, 4.5V	1.8V, 4.5V
Gate charge (Qg) (Max) @ vgs	60 nC @ 4.5 V	120 nC @ 4.5 V
Input capacitance (Ciss) (Max) @ vds	4481 pF @ 10 V	8237 pF @ 10 V
Operating temperature	-55°C~150°C(TJ)	-55°C~175°C(TJ)
Power dissipation	1W (Ta)	1.2W (Ta)
Rds on (Max) @ id, vgs	12mOhm @ 11.5A, 4.5V	8.5mOhm @ 13.5A, 4.5V
Vgs	±12V	±8V

Shared specifications

Case: 8-SOIC (0.154\", 3.90mm Width)
Drain to source voltage: 20 V
FET feature: -
FET type: P-Channel
Mounting type: Surface Mount
Package: Bulk
Technology: MOSFET (Metal Oxide)
Vgs(th) (Max) @ id: 1.5V @ 250µA

Request a quote on any onsemi SI44 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the onsemi onsemi SI44 Series variants differ?: onsemi SI44 Series part numbers differ by current - continuous drain (Id) @ 25°C, drive voltage (Max rds on, min rds on), gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.
How many onsemi onsemi SI44 Series part numbers are listed?: 3 onsemi onsemi SI44 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for onsemi onsemi SI44 Series?: Request a quote (RFQ) for any onsemi SI44 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.