STTA112U STMicroelectronics, STTA112U Datasheet - Page 7

• Manufacturer Part Number: STTA112U
• Description: DIODE ULTRA FAST 1200V 1A SMB
• Manufacturer: STMicroelectronics
• Series: TURBOSWITCH™r

Specifications of STTA112U

• Voltage - Forward (vf) (max) @ If: 1.65V @ 1A
• Voltage - Dc Reverse (vr) (max): 1200V (1.2kV)
• Current - Average Rectified (io): 1A
• Current - Reverse Leakage @ Vr: 10µA @ 1200V
• Diode Type: Standard
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): 115ns
• Mounting Type: Surface Mount
• Package / Case: DO-214AA, SMB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Capacitance @ Vr, F: -
• Other names: 497-3237-2

APPLICATION DATA (Cont’d)
Fig. F : TURN-OFF CHARACTERISTICS.
Fig. G : TURN-ON CHARACTERISTICS.
V
V
I
I
trr = ta + tb
V
I
S = tb/ta
1.1V F
V Fp
I F
0
0
I RM
dI /dt
dI /dt
V F
trr = ta + tb
I
RM
F
F
dI
F
ta
ta
/dt = V
tb
tb
dI /dt
tfr
R
dI /dt
TRANSISTOR
R
/L
R
DIODE
S = tb / ta
OPERATION
RECTIFIER
I Fmax
V F
IL
t
VR
V
t
t
t
R
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
V
F
) x I
I
R
RM
2
F
2
I
Fmax
RM
6 x dI
6 x
dt
I
S
RM
I
d
L
2
IF
dI
2
x t
F
F
S 2
dt
F
3 2
fr
dt
dt
x F
L
S F
S F
F
I
STTA112U
RM
2
2
F
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