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IRF840 Datasheet, PDF (2/7 Pages) Motorola, Inc – N-CHANNEL ENHANCEMENT-MODE SILICON GATE TMOS POWER FIELD EFFECT TRANSISTOR
IRF840
Absolute Maximum Ratings TC = 25oC, Unless Otherwise Specified
IRF840
UNITS
Drain to Source Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VDS
500
Drain to Gate Voltage (RGS = 20kΩ) (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDGR
500
Continuous Drain Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ID
8.0
TC = 100oC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ID
5.1
Pulsed Drain Current (Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IDM
32
Gate to Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VGS
±20
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PD
125
Linear Derating Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.0
V
V
A
A
A
V
W
W/oC
Single Pulse Avalanche Energy Rating (Note 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .EAS
510
mJ
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TJ, TSTG
-55 to 150
oC
Maximum Temperature for Soldering
Leads at 0.063in (1.6mm) from Case for 10s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TL
300
Package Body for 10s, See Techbrief 334 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tpkg
260
oC
oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. TJ = 25oC to 125oC.
Electrical Specifications TC = 25oC, Unless Otherwise Specified
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Drain to Source Breakdown Voltage
Gate to Threshold Voltage
Zero-Gate Voltage Drain Current
On-State Drain Current (Note 2)
Gate to Source Leakage Current
Drain to Source On Resistance (Note 2)
Forward Transconductance (Note 2)
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Total Gate Charge
(Gate to Source + Gate to Drain)
Gate to Source Charge
Gate to Drain “Miller” Charge
Input Capacitance
Output Capacitance
Reverse-Transfer Capacitance
Internal Drain Inductance
Internal Source Inductance
BVDSS VGS = 0V, ID = 250µA (Figure 10)
500
VGS(TH) VGS = VDS, ID = 250µA
2.0
IDSS
VDS = Rated BVDSS, VGS = 0V
-
VDS = 0.8 x Rated BVDSS, VGS = 0V, TJ = 125oC
-
ID(ON) VDS > ID(ON) x rDS(ON)MAX, VGS = 10V
8.0
IGSS
VGS = ±20V
-
rDS(ON) VGS = 10V, ID = 4.4A (Figures 8, 9)
-
gfs
VDS ≥ 50V, ID = 4.4A (Figure 12)
4.9
tD(ON) VDD = 250V, ID ≈ 8A, RG = 9.1Ω, RL = 30Ω
-
tr
MOSFET Switching Times are Essentially
Independent of Operating Temperature.
-
tD(OFF)
-
tf
-
Qg(TOT) VGS = 10V, ID = 8A, VDS = 0.8 x Rated BVDSS
-
Ig(REF) = 1.5mA (Figure 14) Gate Charge is
Qgs
Essentially Independent of Operating
Temperature
-
Qgd
-
CISS VGS = 0V, VDS = 25V, f = 1.0MHz (Figure 11)
-
COSS
-
CRSS
-
LD
Measured from the
Modified MOSFET
-
Contact Screw on Tab Symbol Showing the
to Center of Die
Internal Devices
Measured from the Drain Inductances
-
Lead, 6mm (0.25in) from
D
Package to Center of Die
LD
LS
Measured from the
-
Source Lead, 6mm
G
(0.25in) from Header to
LS
Source Bonding Pad
S
Thermal Resistance Junction to Case
RθJC
-
Thermal Resistance Junction to Ambient
RθJA
Free Air Operation
-
TYP MAX UNITS
-
-
V
-
4.0
V
-
25
µA
-
250
µA
-
-
A
-
±100 nA
0.8 0.85
Ω
7.4
-
S
15
21
ns
21
35
ns
50
74
ns
20
30
ns
42
63
nC
7.0
-
nC
22
-
nC
1225
-
pF
200
-
pF
85
-
pF
3.5
-
nH
4.5
-
nH
7.5
-
nH
-
1.0 oC/W
-
62.5 oC/W
4-258