IRF840ALPBF Vishay, IRF840ALPBF Datasheet - Page 7

• Manufacturer Part Number: IRF840ALPBF
• Description: MOSFET N-CH 500V 8A TO-262
• Manufacturer: Vishay

Specifications of IRF840ALPBF

• Transistor Polarity: N-Channel
• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Standard
• Rds On (max) @ Id, Vgs: 850 mOhm @ 4.8A, 10V
• Drain To Source Voltage (vdss): 500V
• Current - Continuous Drain (id) @ 25° C: 8A
• Vgs(th) (max) @ Id: 4V @ 250µA
• Gate Charge (qg) @ Vgs: 38nC @ 10V
• Input Capacitance (ciss) @ Vds: 1018pF @ 25V
• Power - Max: 3.1W
• Mounting Type: Through Hole
• Package / Case: I²Pak, TO-262 (3 straight leads + tab)
• Minimum Operating Temperature: - 55 C
• Configuration: Single
• Resistance Drain-source Rds (on): 0.85 Ohm @ 10 V
• Drain-source Breakdown Voltage: 500 V
• Gate-source Breakdown Voltage: +/- 30 V
• Continuous Drain Current: 8 A
• Power Dissipation: 3100 mW
• Maximum Operating Temperature: + 150 C
• Mounting Style: Through Hole
• Continuous Drain Current Id: 8A
• Drain Source Voltage Vds: 500V
• On Resistance Rds(on): 850mohm
• Rds(on) Test Voltage Vgs: 10V
• Threshold Voltage Vgs Typ: 4V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: *IRF840ALPBF

Document Number: 91066
Re-Applied
Voltage
Reverse
Recovery
Current

‚
+
-
R
D.U.T
G
*
Fig 14. For N-Channel HEXFET
Driver Gate Drive
D.U.T. I
D.U.T. V
Inductor Curent
V
GS
= 5V for Logic Level Devices
P.W.
SD
DS
Waveform
Waveform
Peak Diode Recovery dv/dt Test Circuit
Ripple ≤ 5%
Body Diode
Period
Body Diode Forward
+
-
ƒ
• dv/dt controlled by R
• Driver same type as D.U.T.
• I
• D.U.T. - Device Under Test
SD
Diode Recovery
Current
controlled by Duty Factor "D"
Circuit Layout Considerations
dv/dt
Forward Drop
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
di/dt
Current Transformer
®
D =
-
Power MOSFETs
G
Period
„
P.W.
+
IRF840AS/LPbF
V
V
I
SD
GS
DD
=10V
+
-
V
DD
*
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