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SI7812DN Datasheet, PDF (2/14 Pages) Vishay Siliconix – N-Channel 75-V (D-S) MOSFET
Si7812DN
Vishay Siliconix
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction-to-Ambienta, b
t ≤ 10 s
Maximum Junction-to-Case (Drain)
Steady State
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
b. Maximum under Steady State conditions is 81 °C/W.
Symbol
RthJA
RthJC
Typical
26
1.9
Maximum
33
2.4
Unit
°C/W
SPECIFICATIONS TJ = 25 °C, unless otherwise noted
Parameter
Symbol
Test Conditions
Static
Drain-Source Breakdown Voltage
VDS
VGS = 0 V, ID = 250 µA
VDS Temperature Coefficient
VGS(th) Temperature Coefficient
ΔVDS/TJ
ΔVGS(th)/TJ
ID = 250 µA
Gate-Source Threshold Voltage
VGS(th)
VDS = VGS, ID = 250 µA
VDS = VGS, ID = 5 mA
Gate-Source Leakage
IGSS
VDS = 0 V, VGS = ± 20 V
Zero Gate Voltage Drain Current
On-State Drain Currenta
IDSS
ID(on)
VDS = 75 V, VGS = 0 V
VDS = 75 V, VGS = 0 V, TJ = 55 °C
VDS ≥ 5 V, VGS = 10 V
Drain-Source On-State Resistancea
Forward Transconductancea
RDS(on)
gfs
VGS = 10 V, ID = 7.2 A
VGS = 4.5 V, ID = 6.4 A
VDS = 15 V, ID = 7.2 A
Dynamicb
Input Capacitance
Ciss
Output Capacitance
Coss
VDS = 35 V, VGS = 0 V, f = 1 MHz
Reverse Transfer Capacitance
Crss
Total Gate Charge
Qg
VDS = 38 V, VGS = 10 V, ID = 7.2 A
Gate-Source Charge
Gate-Drain Charge
Gate Resistance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Qgs
Qgd
Rg
td(on)
tr
td(off)
tf
td(on)
tr
td(off)
tf
VDS = 38 V, VGS = 4.5 V, ID = 7.2 A
f = 1 MHz
VDD = 38 V, RL = 6.7 Ω
ID ≅ 5.7 A, VGEN = 4.5 V, Rg = 1 Ω
VDD = 38 V, RL = 6.7 Ω
ID ≅ 5.7 A, VGEN = 10 V, Rg = 1 Ω
Min.
Typ.
Max.
Unit
75
V
65
- 6.4
mV/°C
1.0
2.0
3.0
V
2.3
± 100
nA
1
µA
10
25
A
0.031 0.037
Ω
0.038 0.046
23
S
840
110
pF
50
16
24
8
12
nC
2.8
3.6
1
Ω
20
30
130
200
20
30
50
75
ns
15
25
20
30
35
40
10
15
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Document Number: 73332
S-83050-Rev. D, 29-Dec-08