參數資料
型號: ARF678S45
廠商: POSEICO SPA
英文描述: FAST RECOVERY DIODE
中文描述: 快速恢復二極管
文件頁數: 3/4頁
文件大小: 66K
代理商: ARF678S45
ARF678 FAST RECOVERY DIODE
FINAL SPECIFICATION apr 97 - ISSUE : 01
SWITCHING CHARACTERISTICS
ANSALDO
REVERSE RECOVERY CHARGE
Tj=150°C
0
200
400
600
800
1000
1200
1400
1600
0
100
200
300
400
di/dt [A/μs]
Q
250 A
500 A
1000 A
REVERSE RECOVERY CURRENT
Tj=150°C
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
0
100
200
300
400
di/dt [A/μs]
I
250 A
500 A
1000 A
FORWARD RECOVERY VOLTAGE
0
10
20
30
40
50
60
70
80
0
200
400
600
800
1000
1200
di/dt [A/μs]
V
Tj = 150 °C
Tj = 25 °C
I
F
V
FR
V
F
ta
ta = Irr / (di/dt) tb = trr - ta
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
Irr
Vr
tb
I
F
d i/d t
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