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IRF644 Datasheet, PDF (2/8 Pages) International Rectifier – Power MOSFET(Vdss=250V, Rds(on)=0.28ohm, Id=14A)
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IRF644, SiHF644
Vishay Siliconix
THERMAL RESISTANCE RATINGS
PARAMETER
SYMBOL
Maximum Junction-to-Ambient
Case-to-Sink, Flat, Greased Surface
RthJA
RthCS
Maximum Junction-to-Case (Drain)
RthJC
TYP.
-
0.50
-
MAX.
62
-
1.0
UNIT
°C/W
SPECIFICATIONS TJ = 25 °C, unless otherwise noted
PARAMETER
SYMBOL
TEST CONDITIONS
MIN. TYP. MAX. UNIT
Static
Drain-Source Breakdown Voltage
VDS Temperature Coefficient
Gate-Source Threshold Voltage
Gate-Source Leakage
Zero Gate Voltage Drain Current
Drain-Source On-State Resistance
Forward Transconductance
Dynamic
VDS
ΔVDS/TJ
VGS(th)
IGSS
IDSS
RDS(on)
gfs
VGS = 0 V, ID = 250 µA
Reference to 25 °C, ID = 1 mA
VDS = VGS, ID = 250 µA
VGS = ± 20 V
VDS = 250 V, VGS = 0 V
VDS = 200 V, VGS = 0 V, TJ = 125 °C
VGS = 10 V
ID = 8.4 Ab
VDS = 50 V, ID = 8.4 Ab
250
-
-
V
-
0.34
-
V/°C
2.0
-
4.0
V
-
-
± 100 nA
-
-
25
µA
-
-
250
-
-
0.28
Ω
6.7
-
-
S
Input Capacitance
Ciss
VGS = 0 V,
-
1300
-
Output Capacitance
Coss
VDS = 25 V,
-
330
-
pF
Reverse Transfer Capacitance
Crss
f = 1.0 MHz, see fig. 5
-
85
-
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Qg
-
-
68
Qgs
VGS = 10 V
ID = 7.9 A, VDS = 200 V,
see fig. 6 and 13b
-
-
11
nC
Qgd
-
-
35
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
td(on)
tr
td(off)
tf
-
11
-
VDD = 125 V, ID = 7.9 A,
-
24
-
ns
RG = 9.1 Ω, RD = 8.7 Ω, see fig. 10b
-
53
-
-
49
-
Internal Drain Inductance
Internal Source Inductance
LD
Between lead,
D
6 mm (0.25") from
package and center of
G
LS
die contact
S
-
4.5
-
nH
-
7.5
-
Drain-Source Body Diode Characteristics
Continuous Source-Drain Diode Current
IS
Pulsed Diode Forward Currenta
ISM
MOSFET symbol
showing the
integral reverse
p - n junction diode
D
G
S
-
-
14
A
-
-
56
Body Diode Voltage
VSD
TJ = 25 °C, IS = 14 A, VGS = 0 Vb
-
-
1.8
V
Body Diode Reverse Recovery Time
Body Diode Reverse Recovery Charge
trr
-
TJ = 25 °C, IF = 7.9 A, dI/dt = 100 A/µsb
250 500
ns
Qrr
-
2.3
4.6
µC
Forward Turn-On Time
ton
Intrinsic turn-on time is negligible (turn-on is dominated by LS and LD)
Notes
a. Repetitive rating; pulse width limited by maximum junction temperature (see fig. 11).
b. Pulse width ≤ 300 µs; duty cycle ≤ 2 %.
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Document Number: 91039
S-81241-Rev. B, 07-Jul-08
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