How do the Vishay Vishay IRLZ Series variants differ?

Vishay IRLZ Series part numbers differ by case, current - continuous drain (Id) @ 25°C, gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds. Use the selection guide above to pick by case.

How many Vishay Vishay IRLZ Series part numbers are listed?

11 Vishay Vishay IRLZ Series part numbers are listed, each with specifications and a datasheet where available.

Vishay IRLZ Series

11 variants · Vishay

About the Vishay Vishay IRLZ Series series

The Vishay Vishay IRLZ Series series groups 11 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common drain to source voltage of 60 V, FET feature of - and FET type of N-Channel. Variants differ by case, current - continuous drain (Id) @ 25°C and gate charge (Qg) (Max) @ vgs, so you can match the exact case your application requires using the selection guide below.

Select a variant by

Case: TO-220-3 · TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Current - continuous drain (Id) @ 25°C: 30A (Tc) · 50A (Tc)
Gate charge (Qg) (Max) @ vgs: 35 nC @ 5 V · 66 nC @ 5 V
Input capacitance (Ciss) (Max) @ vds: 1600 pF @ 25 V · 3300 pF @ 25 V
Mounting type: Surface Mount · Through Hole
Power dissipation: 3.7W (Ta), 88W (Tc) · 88W (Tc) · 150W (Tc)
Rds on (Max) @ id, vgs: 28mOhm @ 31A, 5V · 50mOhm @ 18A, 5V

Variant comparison

Parameter	IRLZ34PBF	IRLZ34PBF-BE3	IRLZ34SPBF	IRLZ44PBF	IRLZ44PBF-BE3
Case	TO-220-3	TO-220-3	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	TO-220-3	TO-220-3
Current - continuous drain (Id) @ 25°C	30A (Tc)	30A (Tc)	30A (Tc)	50A (Tc)	50A (Tc)
Gate charge (Qg) (Max) @ vgs	35 nC @ 5 V	35 nC @ 5 V	35 nC @ 5 V	66 nC @ 5 V	66 nC @ 5 V
Input capacitance (Ciss) (Max) @ vds	1600 pF @ 25 V	1600 pF @ 25 V	1600 pF @ 25 V	3300 pF @ 25 V	3300 pF @ 25 V
Mounting type	Through Hole	Through Hole	Surface Mount	Through Hole	Through Hole
Power dissipation	88W (Tc)	88W (Tc)	3.7W (Ta), 88W (Tc)	150W (Tc)	150W (Tc)
Rds on (Max) @ id, vgs	50mOhm @ 18A, 5V	50mOhm @ 18A, 5V	50mOhm @ 18A, 5V	28mOhm @ 31A, 5V	28mOhm @ 31A, 5V

Shared specifications

Drain to source voltage: 60 V
FET feature: -
FET type: N-Channel
Operating temperature: -55°C~175°C(TJ)
Package: Tube
Technology: MOSFET (Metal Oxide)
Vgs: ±10V
Vgs(th) (Max) @ id: 2V @ 250µA

Request a quote on any Vishay IRLZ 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 Vishay Vishay IRLZ Series variants differ?: Vishay IRLZ Series part numbers differ by case, current - continuous drain (Id) @ 25°C, gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds. Use the selection guide above to pick by case.
How many Vishay Vishay IRLZ Series part numbers are listed?: 11 Vishay Vishay IRLZ Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Vishay Vishay IRLZ Series?: Request a quote (RFQ) for any Vishay IRLZ Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.