Infineon Technologies IRFA Series

6 variants · Infineon TechnologiesAll Discrete Semiconductors →

About the Infineon Technologies IRFA Series

The Infineon Technologies IRFA 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 FET type of N-Channel, mounting of Through Hole and package_type of Bulk. Variants differ by power, supply voltage and switching current, so you can match the exact power your application requires using the selection guide below. All listed Infineon Technologies IRFA Series part numbers are active and orderable.

Select a variant by

Power: 50.0 · 75.0 · 125.0 · 150.0
Supply voltage: 600.0 · 900.0 · 1000.0
Switching current: 1.3 · 1.6 · 3.6 · 4.3 · 5.7 · 6.2
Capacitance_uf: 0.0006 · 0.0015 · 0.0027
Gate charge (Qg) (Max) @ vgs: 38 nC @ 10 V · 120 nC @ 10 V · 180 nC @ 10 V
Rds on (Max) @ id, vgs: 1.85Ohm @ 6.2 A, 10 V · 2.5Ohm @ 3.6 A, 10 V · 2.9Ohm @ 4.3 A, 10 V

Shared specifications

FET type: N-Channel
Mounting: Through Hole
Package_type: Bulk

Variant comparison

Parameter	IRFAF40	IRFAF50	IRFAF52	IRFAC30	IRFAF20	IRFAG20
Power	125.0	150.0	150.0	75.0	50.0	50.0
Supply voltage	900.0	900.0	900.0	600.0	900.0	1000.0
Switching current	4.3	6.2	5.7	3.6	1.6	1.3
Capacitance_uf	0.0015	0.0027	—	0.0006	—	—
Gate charge (Qg) (Max) @ vgs	120 nC @ 10 V	180 nC @ 10 V	—	38 nC @ 10 V	—	—
Rds on (Max) @ id, vgs	2.9Ohm @ 4.3 A, 10 V	1.85Ohm @ 6.2 A, 10 V	—	2.5Ohm @ 3.6 A, 10 V	—	—

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