IRFS840B Fairchild Semiconductor, IRFS840B Datasheet - Page 2

• Manufacturer Part Number: IRFS840B
• Description: MOSFET Power 500V N-Channel B-FET
• Manufacturer: Fairchild Semiconductor

Specifications of IRFS840B

• Configuration: Single
• Transistor Polarity: N-Channel
• Resistance Drain-source Rds (on): 0.65 Ohms
• Forward Transconductance Gfs (max / Min): 7.3 S
• Drain-source Breakdown Voltage: 500 V
• Gate-source Breakdown Voltage: +/- 30 V
• Continuous Drain Current: 8 A
• Power Dissipation: 44 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: Through Hole
• Package / Case: TO-220F
• Minimum Operating Temperature: - 55 C
• Lead Free Status / Rohs Status: Details

©2001 Fairchild Semiconductor Corporation
Electrical Characteristics
Notes:
1. Repetitive Rating : Pulse width limited by maximum junction temperature
2. L = 9.0mH, I
3. I
4. Pulse Test : Pulse width  300 s, Duty cycle  2%
5. Essentially independent of operating temperature
Off Characteristics
BV
/
I
I
I
On Characteristics
V
R
g
Dynamic Characteristics
C
C
C
Switching Characteristics
t
t
t
t
Q
Q
Q
Drain-Source Diode Characteristics and Maximum Ratings
I
I
V
t
Q
Symbol
DSS
GSSF
GSSR
d(on)
r
d(off)
f
S
SM
rr
SD
FS
BV
GS(th)
SD
DS(on)
iss
oss
rss
g
gs
gd
rr
DSS
 8.0A, di/dt  200A/ s, V
DSS
T
J
AS
Drain-Source Breakdown Voltage
Breakdown Voltage Temperature
Coefficient
Zero Gate Voltage Drain Current
Gate-Body Leakage Current, Forward
Gate-Body Leakage Current, Reverse
Gate Threshold Voltage
Static Drain-Source
On-Resistance
Forward Transconductance
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Turn-On Delay Time
Turn-On Rise Time
Turn-Off Delay Time
Turn-Off Fall Time
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Maximum Continuous Drain-Source Diode Forward Current
Maximum Pulsed Drain-Source Diode Forward Current
Drain-Source Diode Forward Voltage
Reverse Recovery Time
Reverse Recovery Charge
= 8.0A, V
DD
= 50V, R
DD
Parameter
 BV
G
= 25
DSS,
Starting T
Starting T
J
T
J
= 25°C
C
= 25°C
= 25°C unless otherwise noted
V
I
V
V
V
V
V
V
V
V
f = 1.0 MHz
V
R
V
V
V
V
dI
D
GS
DS
DS
GS
GS
DS
GS
DS
DS
DD
DS
GS
GS
GS
G
F
= 250 A, Referenced to 25°C
/ dt = 100 A/ s
= 25
= 500 V, V
= 400 V, T
= V
= 40 V, I
= 25 V, V
= 400 V, I
= 0 V, I
= 30 V, V
= -30 V, V
= 10 V, I
= 250 V, I
= 10 V
= 0 V, I
= 0 V, I
Test Conditions
GS
, I
D
S
S
D
D
D
= 250 A
= 8.0 A
= 8.0 A,
GS
DS
D
D
= 250 A
DS
= 4.0 A
GS
C
= 4.0 A
= 8.0 A,
= 8.0 A,
= 125°C
= 0 V
= 0 V,
= 0 V
= 0 V
(Note 4, 5)
(Note 4, 5)
(Note 4)
(Note 4)
Min
500
2.0
--
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1400
0.55
0.65
Typ
145
125
390
7.3
6.5
4.2
35
22
65
75
41
17
--
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--
--
--
--
1800
-100
Max
100
100
190
140
260
160
4.0
0.8
8.0
1.4
10
45
55
53
32
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Rev. A, November 2001
Units
V/°C
nA
nA
nC
nC
nC
pF
pF
pF
ns
ns
ns
ns
ns
V
V
S
A
A
V
C
A
A