www.vishay.com Document Number: 91033
2S-82999-Rev. A, 12-Jan-09
IRF634N, IRF634NL, IRF634NS, SiHF634N, SiHF634NL, SiHF634NS
Vishay Siliconix
Notes
a. Repetitive rating; pulse width limited by maximum junction temperature.
b. Starting TJ = 25 °C, L = 9.5 mH, RG = 25 Ω, IAS = 4.8 A, VGS = 10 V.
c. 1.6 mm from case.
d. This is only applied to TO-220 package.
e. This is applied to D2PAK, when mounted 1" square PCB (FR-4 or G-10 material).
Notes
a. This is only applied to TO-220 package.
b. This is applied to D2PAK, when mounted 1" square PCB (FR-4 or G-10 material).
ABSOLUTE MAXIMUM RATINGS TC = 25 °C, unless otherwise noted
PARAMETER SYMBOL LIMIT UNIT
Drain-Source Voltage VDS 250 V
Gate-Source Voltage VGS ± 20
Continuous Drain Current VGS at 10 V TC = 25 °C ID
8.0
ATC = 100 °C 5.6
Pulsed Drain CurrentaIDM 32
Linear Derating Factor 0.59 W/°C
Single Pulse Avalanche EnergybEAS 110 mJ
Avalanche CurrentaIAR 4.8 A
Repetiitive Avalanche EnergyaEAR 8.8 mJ
Maximum Power Dissipation TC = 25 °C PD
88 W
Maximum Power Dissipation (PCB Mount)eTA = 25 °C 3.8
Peak Diode Recovery dV/dt dV/dt 7.3 V/ns
Operating Junction and Storage Temperature Range TJ, Tstg - 55 to + 175 °C
Soldering Recommendations (Peak Temperature) for 10 s 300c
Mounting Torqued6-32 or M3 screw 10 lbf · in
1.1 N · m
THERMAL RESISTANCE RATINGS
PARAMETER SYMBOL TYP. MAX. UNIT
Maximum Junction-to-AmbientaRthJA -62
°C/W
Maximum Junction-to-Ambient
(PCB Mount)bRthJA -40
Maximum Junction-to-Case (Drain) RthJC -1.7
Case-to-Sink, Flat, Greased SurfaceaRthCS 0.50 -
SPECIFICATIONS TJ = 25 °C, unless otherwise noted
PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT
Static
Drain-Source Breakdown Voltage VDS VGS = 0 V, ID = 250 µA 250 - - V
VDS Temperature Coefficient ΔVDS/TJ Reference to 25 °C, ID = 1 mA - 0.33 - V/°C
Gate-Source Threshold Voltage VGS(th) VDS = VGS, ID = 250 µA 2.0 - 4.0 V
Gate-Source Leakage IGSS V
GS = ± 20 V - - ± 100 nA
Zero Gate Voltage Drain Current IDSS
VDS = 250 V, VGS = 0 V - - 25 µA
VDS = 200 V, VGS = 0 V, TJ = 150 °C - - 250
Drain-Source On-State Resistance RDS(on) V
GS = 10 V ID = 4.8 Ab- - 0.435 Ω
Forward Transconductance gfs VDS = 50 V, ID = 4.8 Ab5.4 - - S