IRF840LCS Vishay, IRF840LCS Datasheet - Page 7

• Manufacturer Part Number: IRF840LCS
• Description: MOSFET N-CH 500V 8A D2PAK
• Manufacturer: Vishay

Specifications of IRF840LCS

• 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: 39nC @ 10V
• Input Capacitance (ciss) @ Vds: 1100pF @ 25V
• Power - Max: 3.1W
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (2 leads + tab)
• Configuration: Single
• Transistor Polarity: N-Channel
• Resistance Drain-source Rds (on): 0.85 Ohms
• Drain-source Breakdown Voltage: 500 V
• Gate-source Breakdown Voltage: +/- 30 V
• Continuous Drain Current: 8 A
• Power Dissipation: 3.1 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *IRF840LCS

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?91068.
Document Number: 91068
S09-0071-Rev. A, 02-Feb-09
Re-applied
voltage
Reverse
recovery
current
IRF840LCS, IRF840LCL, SiHF840LCS, SiHF840LCL
+
-
R
G
D.U.T
*
Driver gate drive
D.U.T. I
D.U.T. V
Inductor current
V
GS
= 5 V for logic level devices
P.W.
SD
DS
waveform
waveform
Peak Diode Recovery dV/dt Test Circuit
Ripple ≤ 5 %
Body diode forward drop
Period
Body diode forward
+
-
Fig. 14 - For N-Channel
• 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
• Low stray inductance
• Ground plane
• Low leakage inductance
current transformer
dI/dt
D =
-
G
Period
P.W.
+
V
V
I
SD
GS
DD
= 10 V*
+
-
V
DD
Vishay Siliconix
www.vishay.com
7