Vishay Siliconix IRLZ Series

11 variants · Vishay SiliconixAll Discrete Semiconductors →

About the Vishay Siliconix IRLZ Series

The Vishay Siliconix 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, drive voltage (Max rds on, min rds on) of 4V, 5V and FET feature of -. 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: Surface Mount · Through Hole
Package: Tape & Reel (TR) · Tube
Power dissipation: 3.7W (Ta), 88W (Tc) · 3.7W (Ta), 150W (Tc) · 88W (Tc) · 150W (Tc)
Rds on (Max) @ id, vgs: 28mOhm @ 31A, 5V · 50mOhm @ 18A, 5V

Shared specifications

Drain to source voltage: 60 V
Drive voltage (Max rds on, min rds on): 4V, 5V
FET feature: -
FET type: N-Channel
Operating temperature: -55°C~175°C(TJ)
Technology: MOSFET (Metal Oxide)
Vgs: ±10V
Vgs(th) (Max) @ id: 2V @ 250µA

Variant comparison

Parameter	IRLZ34SPBF	IRLZ34PBF	IRLZ34STRL	IRLZ44PBF	IRLZ44SPBF	IRLZ44STRRPBF
Case	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	TO-220-3	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	TO-220-3	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Current - continuous drain (Id) @ 25°C	30A (Tc)	30A (Tc)	30A (Tc)	50A (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	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	3300 pF @ 25 V
Mounting	Surface Mount	Through Hole	Surface Mount	Through Hole	Surface Mount	Surface Mount
Package	Tube	Tube	Tape & Reel (TR)	Tube	Tube	Tape & Reel (TR)
Power dissipation	3.7W (Ta), 88W (Tc)	88W (Tc)	3.7W (Ta), 88W (Tc)	150W (Tc)	3.7W (Ta), 150W (Tc)	3.7W (Ta), 150W (Tc)
Rds on (Max) @ id, vgs	50mOhm @ 18A, 5V	50mOhm @ 18A, 5V	50mOhm @ 18A, 5V	28mOhm @ 31A, 5V	28mOhm @ 31A, 5V	28mOhm @ 31A, 5V

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