Vishay Siliconix IRF9 Series

6 variants · Vishay SiliconixAll Discrete Semiconductors →

About the Vishay Siliconix IRF9 Series

The Vishay Siliconix IRF9 Series series groups 6 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - continuous drain (Id) @ 25°C of 19A (Tc), drain to source voltage of 100 V and drive voltage (Max rds on, min rds on) of 10V. Variants differ by case, mounting and package, so you can match the exact case your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Vishay Siliconix IRF9 Series variants and discontinued ones from a single page.

Select a variant by

Case: TO-220-3 · TO-262-3 Long Leads, I²Pak, TO-262AA · TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting: Surface Mount · Through Hole
Package: Tape & Reel (TR); Cut Tape (CT) · Tube
Power dissipation: - · 3.7W (Ta), 150W (Tc) · 150W (Tc)

Shared specifications

Current - continuous drain (Id) @ 25°C: 19A (Tc)
Drain to source voltage: 100 V
Drive voltage (Max rds on, min rds on): 10V
FET feature: -
FET type: P-Channel
Gate charge (Qg) (Max) @ vgs: 61 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds: 1400 pF @ 25 V
Operating temperature: -55°C~175°C(TJ)
Rds on (Max) @ id, vgs: 200mOhm @ 11A, 10V
Technology: MOSFET (Metal Oxide)
Vgs: ±20V
Vgs(th) (Max) @ id: 4V @ 250µA

Variant comparison

Parameter	IRF9540PBF	IRF9540SPBF	IRF9540STRLPBF	IRF9540	IRF9540L	IRF9540S
Case	TO-220-3	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	TO-220-3	TO-262-3 Long Leads, I²Pak, TO-262AA	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting	Through Hole	Surface Mount	Surface Mount	Through Hole	Through Hole	Surface Mount
Package	Tube	Tube	Tape & Reel (TR); Cut Tape (CT)	Tube	Tube	Tube
Power dissipation	150W (Tc)	3.7W (Ta), 150W (Tc)	3.7W (Ta), 150W (Tc)	150W (Tc)	-	3.7W (Ta), 150W (Tc)

Request a quote on any Vishay Siliconix IRF9 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.