HFP644 Datasheet, PDF (4/8 Pages) SemiHow Co.,Ltd. – 250V N-Channel MOSFET

Typical Characteristics (continued)
Figure 7. Breakdown Voltage Variation
vs Temperature
Figure 9. Maximum Safe Operating Area
Figure 8. On-Resistance Variation
vs Temperature
15
12
9
6
3
0
25
50
75
100
125
150
T_C, Case Temperature [ ℃]
Figure 10. Maximum Drain Current
vs Case Temperature
10⁰
D=0.5
0.2
10^-1 0.1
0.05
0.02
0.01
10^-2
10^-5
※ Notes :
1. Z_{θ JC}(t) = 0.9 ℃/W Max.
2. Duty Factor, D=t₁/t₂
3. T_JM - T_C = P_DM * Z_{θ JC}(t)
single pulse
P_DM
t₁
t₂
10^-4
10^-3
10^-2
10^-1
10⁰
10¹
t₁, Square Wave Pulse Duration [sec]
Figure 11. Transient Thermal Response Curve
◎ SEMIHOW REV.A0,Dec 2005