STTA312B STMicroelectronics, STTA312B Datasheet - Page 7

• Manufacturer Part Number: STTA312B
• Description: DIODE TURBO 3A 1200V DPAK
• Manufacturer: STMicroelectronics
• Series: TURBOSWITCH™r

Specifications of STTA312B

• Voltage - Forward (vf) (max) @ If: 1.8V @ 3A
• Voltage - Dc Reverse (vr) (max): 1200V (1.2kV)
• Current - Average Rectified (io): 3A
• Current - Reverse Leakage @ Vr: 20µA @ 1200V
• Diode Type: Standard
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): 115ns
• Mounting Type: Surface Mount
• Package / Case: DPak, TO-252 (2 leads+tab), SC-63
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Capacitance @ Vr, F: -

APPLICATION DATA (Cont’d)
Fig. F : TURN-OFF CHARACTERISTICS.
Fig. G : TURN-ON CHARACTERISTICS.
V
trr = ta + tb
V
I
I
V
I
1.1V F
S = tb/ta
V Fp
I F
0
0
I RM
dI /dt
V F
dI /dt
I
trr = ta + tb
F
RM
dI
F
F
ta
ta
/dt = V
tb
tb
tfr
dI /dt
R
dI /dt
R
TRANSISTOR
/L
R
DIODE
S = tb / ta
OPERATION
RECTIFIER
I Fmax
V F
IL
t
V
t
t
VR
R
t
t
Turn-on losses :
(in the transistor, due to the diode)
Turn-off losses :
Turn-off losses :
with non negligible serial inductance
P3, P3’ and P5 are suitable for power MOSFET
and IGBT
Turn-on losses :
P4 = 0.4 (V
P3’ =
V
P5 =
R
+
FP
P3 =
V
- V
R
V
6 x dI
I
R
RM
F
V
) x I
I
R
RM
2
F
2
Fmax
I
RM
6 x dI
6 x
dt
I
S
RM
I
d
L
2
IF
dI
x t
2
F
F
S 2
fr
dt
F
3 2
x F
dt
dt
L
S F
S F
F
I
STTA312B
RM
2
2
F
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