参数资料
型号: STTA312B
厂商: STMICROELECTRONICS
元件分类: 整流器
英文描述: 3 A, 1200 V, SILICON, RECTIFIER DIODE
封装: DPAK-3
文件页数: 7/8页
文件大小: 203K
代理商: STTA312B
Obsolete
Product(s)
- Obsolete
Product(s)
I F
V F
V Fp
1.1V F
V F
F
dI /dt
0
0t
t
I Fmax
tfr
Fig. G : TURN-ON CHARACTERISTICS.
Turn-on losses :
P4 = 0.4 (VFP - VF) x IFmax x tfr x F
Turn-on losses :
(in the transistor, due to the diode)
P5 =
VR
× IRM 2
× (3+2 × S) F
6 x dIF
dt
+
VR
× IRM × IL ×(S + 2
) × F
2
× dIF dt
Turn-off losses :
P3 =
VR
× IRM 2
× × S × F
6 x dIF
dt
Turn-off losses :
with non negligible serial inductance
P3’ =
VR
× IRM 2
× S × F
6 x dIF
dt
+
L
× IRM 2 × F
2
P3, P3’ and P5 are suitable for power MOSFET
and IGBT
dI
F /dt = VR /L
dI /dt
R
tb
ta
I
RM
V
R
I
V
t
S= tb/ta
trr = ta + tb
RECTIFIER
OPERATION
V
I
IL
t
TRANSISTOR
dI /dt
F
dI /dt
R
tb
ta
I RM
VR
DIODE
I
V
t
trr = ta + tb
S = tb / ta
APPLICATION DATA (Cont’d)
Fig. F : TURN-OFF CHARACTERISTICS.
STTA312B
7/8
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