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onsemi FDV303N is a Silicon MOSFET rated at 25V, 0.65A, 0.45Ω Rdson(max) in SOT-23-3



Device Parameter Value feedback*
Manufacturer Name onsemi
Manufacturer Package SOT-23-3
(Surface Mount, 3 Pins,
Thermalpad: None
WxL: 2.40 x 2.90mm2)
Configuration Single
Channel N-Type
Material Silicon
BVDSS [V] 25
RDS(ON) typ, max [Ω] 0.33, 0.45
At VGS = 4.5V, TA = 25°C
ID max [A] 0.65
PD max [W] 0.35
QGS typ, max [nC] 0.38, na
QGD typ, max [nC] 0.45, na
QG Total typ, max [nC] 1.64, 2.3
RthJA max [C/W] 357
RthJC max [C/W] na
DiscoverEE Calculated Values
ID [A] Calc. @RthJA max
TJ=150°C, TA=25°C
0.6 (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 3.7 (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
0.4 (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]
25 Surface Mount
WxL: 2.37 x 2.92mm2
# of Pins: 3
Thermalpad: None
0.5 0.6, 1.05 0.98 0.83 0.8 0.07 0.08
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