IRF634 Vishay, IRF634 Datasheet - Page 2

• Manufacturer Part Number: IRF634
• Description: MOSFET N-CH 250V 8.1A TO-220AB
• Manufacturer: Vishay

Specifications of IRF634

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Standard
• Rds On (max) @ Id, Vgs: 450 mOhm @ 5.1A, 10V
• Drain To Source Voltage (vdss): 250V
• Current - Continuous Drain (id) @ 25° C: 8.1A
• Vgs(th) (max) @ Id: 4V @ 250µA
• Gate Charge (qg) @ Vgs: 41nC @ 10V
• Input Capacitance (ciss) @ Vds: 770pF @ 25V
• Power - Max: 74W
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Transistor Polarity: N Channel
• Continuous Drain Current Id: 8.1A
• Drain Source Voltage Vds: 250V
• On Resistance Rds(on): 450mohm
• Rds(on) Test Voltage Vgs: 10V
• Threshold Voltage Vgs Typ: 4V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *IRF634; IRF634; IRF634IR

IRF634, SiHF634
Vishay Siliconix
Notes
a. Repetitive rating; pulse width limited by maximum junction temperature (see fig. 11).
b. Pulse width  300 μs; duty cycle  2 %.
www.vishay.com
2
THE PRODUCT DESCRIBED HEREIN AND THIS DATASHEET ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
THERMAL RESISTANCE RATINGS
PARAMETER
Maximum Junction-to-Ambient
Case-to-Sink, Flat, Greased Surface
Maximum Junction-to-Case (Drain)
SPECIFICATIONS (T
PARAMETER
Static
Drain-Source Breakdown Voltage
V
Gate-Source Threshold Voltage
Gate-Source Leakage
Zero Gate Voltage Drain Current
Drain-Source On-State Resistance
Forward Transconductance
Dynamic
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Internal Drain Inductance
Internal Source Inductance
Drain-Source Body Diode Characteristics
Continuous Source-Drain Diode Current
Pulsed Diode Forward Current
Body Diode Voltage
Body Diode Reverse Recovery Time
Body Diode Reverse Recovery Charge
Forward Turn-On Time
DS
Temperature Coefficient
J
= 25 °C, unless otherwise noted)
a
This datasheet is subject to change without notice.
SYMBOL
SYMBOL
V
R
V
R
t
t
R
R
C
I
I
C
C
V
GS(th)
DS(on)
Q
Q
V
d(on)
d(off)
I
GSS
DSS
g
Q
Q
DS
L
L
t
SM
I
t
thCS
thJC
t
t
thJA
DS
oss
SD
on
rss
S
iss
gd
rr
fs
gs
r
f
D
S
g
rr
/T
J
Between lead,
6 mm (0.25") from
package and center of
die contact
MOSFET symbol
showing the
integral reverse
p - n junction diode
T
J
V
V
V
R
= 25 °C, I
GS
GS
DS
T
Intrinsic turn-on time is negligible (turn-on is dominated by L
g
J
Reference to 25 °C, I
= 12 , R
= 25 °C, I
= 200 V, V
= 10 V
= 10 V
V
V
V
V
V
f = 1.0 MHz, see fig. 5
TYP.
DD
0.50
TEST CONDITIONS
DS
DS
DS
GS
-
-
F
= 125 V, I
= 250 V, V
= V
= 50 V, I
= 0 V, I
V
= 5.6 A, dI/dt = 100 A/μs
V
GS
V
DS
D
S
GS
GS
GS
= 8.1 A, V
= 22, see fig. 10
I
= ± 20 V
D
, I
= 25 V,
= 0 V,
= 0 V, T
= 5.6 A, V
D
D
see fig. 6 and 13
D
= 250 μA
D
= 250 μA
= 5.1 A
GS
= 5.6 A,
I
D
D
= 0 V
= 5.1 A
GS
J
= 1 mA
= 125 °C
G
G
DS
= 0 V
b
= 200 V,
b
MAX.
D
S
b
b
D
S
1.7
62
b
-
b
MIN.
250
2.0
1.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
www.vishay.com/doc?91000
Document Number: 91034
TYP.
0.37
770
190
220
9.6
4.5
7.5
1.2
S11-0509-B, 21-Mar-11
52
21
42
19
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
°C/W
MAX.
± 100
0.45
250
440
4.0
6.5
8.1
2.0
2.4
S
25
41
22
32
-
-
-
-
-
-
-
-
-
-
-
-
and L
D
UNIT
V/°C
)
nA
μA
nC
nH
μC
pF
ns
ns

V
V
S
A
V