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Vishay SI8461DB is a Silicon MOSFET rated at -20V, -1.9A, 0.1Ω Rdson(max) in MICRO FOOT 1 x 1



Device Parameter Value feedback*
Manufacturer Name Vishay
Manufacturer Package MICRO FOOT 1 x 1
(Surface Mount, 4 Pins,
Thermalpad: None
WxL: 0.96 x 0.96mm2)
Configuration Single
Channel P-Type
Material Silicon
BVDSS [V] -20
RDS(ON) typ, max [Ω] 0.083, 0.1
At VGS = -4.5V, TA = 25°C
ID max [A] -1.9
PD max [W] 1.8
QGS typ, max [nC] 0.9, na
QGD typ, max [nC] 2.6, na
QG Total typ, max [nC] 16, 24
RthJA max [C/W] 100
RthJC max [C/W] na
DiscoverEE Calculated Values
ID [A] Calc. @RthJA max
TJ=150°C, TA=25°C
2.5 (conservative)
Approx. value as we assume RDS(on)max @ 150 °C = 2x RDS(on)max @ 25 °C
ID [A] Calc. @ System RthJA = °C/W, TJ=°C, TA=25°C 7.9 (realistic)
Approx. value as we assume RDS(on)max @ 150 °C = 2x RDS(on)max @ 25 °C
ID [A] Calc. @RthJC max
TJ=150°C, TC=25°C
na
PD [W] Calc. @RthJA max
TJ=150°C, TA=25°C
1.3 (conservative)
PD [W] Calc. @ System RthJA = 10 °C/W, TJ=150°C, TA=25°C 12.5 (realistic)
PD [W] Calc. @RthJC max
TJ=150°C, TC=25°C
na

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BVDSS [V] Package RDS(ON) max [Ω] VTH [V] ID [A] PD [W] QG Total [nC] QGS [nC] QGD [nC]
-20 Surface Mount
WxL: 0.97 x 0.97mm2
# of Pins: 4
Thermalpad: None
0.08 -0.5, -1.2 -2 0.6 10 2 0.5
-20 Surface Mount
WxL: 0.96 x 0.96mm2
# of Pins: 4
Thermalpad: None
0.095 -0.4, -0.8 -1.5 0.9 17 1 1.5
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