IRFB31N20DPBF International Rectifier, IRFB31N20DPBF Datasheet - Page 6

• Manufacturer Part Number: IRFB31N20DPBF
• Description: MOSFET N-CH 200V 31A TO-220AB
• Manufacturer: International Rectifier
• Series: HEXFET®r

Specifications of IRFB31N20DPBF

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Standard
• Rds On (max) @ Id, Vgs: 82 mOhm @ 18A, 10V
• Drain To Source Voltage (vdss): 200V
• Current - Continuous Drain (id) @ 25° C: 31A
• Vgs(th) (max) @ Id: 5.5V @ 250µA
• Gate Charge (qg) @ Vgs: 107nC @ 10V
• Input Capacitance (ciss) @ Vds: 2370pF @ 25V
• Power - Max: 3.1W
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Channel Type: N
• Current, Drain: 31 A
• Gate Charge, Total: 70 nC
• Package Type: TO-220AB
• Polarization: N-Channel
• Power Dissipation: 200 W
• Resistance, Drain To Source On: 0.082 Ohm
• Resistance, Thermal, Junction To Case: 0.75 °C/W
• Temperature, Operating, Maximum: +175 °C
• Temperature, Operating, Minimum: -55 °C
• Time, Turn-off Delay: 26 ns
• Time, Turn-on Delay: 16 ns
• Transconductance, Forward: 17 S
• Voltage, Breakdown, Drain To Source: 200 V
• Voltage, Drain To Source: 200 V
• Voltage, Forward, Diode: 1.3 V
• Voltage, Gate To Source: ±30 V
• Transistor Polarity: N-Channel
• Drain-source Breakdown Voltage: 200 V
• Gate-source Breakdown Voltage: 30 V
• Continuous Drain Current: 31 A
• Mounting Style: Through Hole
• Gate Charge Qg: 70 nC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *IRFB31N20DPBF

IRFB/S/SL31N20DPbF
Fig 12a. Unclamped Inductive Test Circuit
6
Fig 12b. Unclamped Inductive Waveforms
Fig 13a. Basic Gate Charge Waveform
I
AS
V
R G
20V
G
V DS
Q
t p
GS
t p
I AS
D.U.T
0.01 Ω
L
Charge
Q
Q
V
GD
G
(BR)DSS
15V
DRIVER
+
-
V DD
A
1000
800
600
400
200
0
25
Fig 12c. Maximum Avalanche Energy
Fig 13b. Gate Charge Test Circuit
Starting T , Junction Temperature ( C)
50
12V
V
GS
Vs. Drain Current
Same Type as D.U.T.
J
Current Regulator
.2µF
75
50KΩ
3mA
Current Sampling Resistors
100
.3µF
I
G
125
TOP
BOTTOM
www.irf.com
D.U.T.
I
D
150
+
-
V
DS
°
7.3A
I D
15A
18A
175