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Main product characteristics
STTH1202
Ultrafast recovery diode
I
F(AV)
V
RRM
T
(max) 175° C
j
(typ) 0.82 V
V
F
(typ) 18 ns
t
rr
12 A
200 V
Features and benefits
■ Very low conduction losses
■ Negligible switching losses
■ Low forward and reverse recovery time
■ High junction temperature
■ Insulated packages
– TO-220FPAC
Electrical insulation 1500 V
RMS
– TO-220AC Ins
Electrical insulation 2500 V
RMS
Description
The STTH1202 uses ST's new 200V planar Pt
doping technology, and is specially suited for
switching mode base drive and transistor circuits.
K
TO-220AC
STTH1202D
A
A
K
K
A
K
TO-220FPAC
STTH1202FP
A
K
TO-220AC Ins
STTH1202DI
Packaged in TO-220AC, TO-220FPAC, and
Order codes
TO-220AC Ins, this device is intended for use in
low voltage, high frequency inverters, free
Part Number Marking
wheeling and polarity protection.
STTH1202D STTH1202
STTH1202FP STTH1202
STTH1202DI STTH1202DI
March 2007 Rev 1 1/10
www.st.com
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Characteristics STTH1202
1 Characteristics
Table 1. Absolute ratings (limiting values at T
= 25° C, unless otherwise specified)
j
Symbol Parameter Value Unit
V
RRM
V
RSM
I
F(RMS)
I
F(AV)
I
FRM
I
FSM
T
Table 2. Thermal parameters
Repetitive peak reverse voltage 200
Non repetitive peak reverse voltage 200
RMS forward current 30 A
= 140° C
TO-220AC
Average forward current, δ = 0.5
TO-220FPAC
T
c
= 130° C
T
c
= 105° C
T
c
Repetitive peak forward current tp = 10 µs F = 5 kHz square 130 A
Surge non repetitive forward current tp = 10 ms Sinusoidal 100 A
Storage temperature range -65 to + 175 ° C
stg
Maximum operating junction temperature 175 ° C
T
j
12 ATO-220AC Ins
Symbol Parameter Value Unit
TO-220AC 2.5
R
th(j-c)
Junction to case
° C/WTO-220AC Ins 3
TO-220FPAC 5
V
Table 3. Static electrical characteristics
Symbol Parameter Test conditions Min. Typ Max. Unit
(1)
I
R
V
1. Pulse test: tp = 5 ms, δ < 2 %
2. Pulse test: t
Reverse leakage current
(2)
Forward voltage drop
F
= 380 µs, δ < 2 %
p
= 25° C
j
= 125° C 10 100
T
j
= 25° C
T
j
T
= 150° C 0.82 0.95
j
= 25° C
T
j
Tj = 125° C 0.91 1.05
= 150° C 0.87 1.0
T
j
= V
V
R
RRM
IF = 12 A
I
= 15 A
F
1.0 1.10
10
1.15
T
To evaluate the conduction losses use the following equation:
P = 0.77 x I
+ 0.015 x I
F(AV)
F2(RMS)
µA
V
2/10
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STTH1202 Characteristics
Table 4. Dynamic characteristics
Symbol Parameter
t
rr
I
RM
t
fr
V
FP
Reverse recovery time
Reverse recovery current
Forward recovery time
Forward recovery voltage
Test conditions
I
= 1 A, dIF/dt = -50 A/µs,
F
VR = 30 V, Tj = 25° C
= 1 A, dIF/dt = -100 A/µs,
I
F
= 30 V, Tj = 25° C
V
R
= 12 A, dIF/dt = -200 A/µs,
I
F
VR = 160 V, Tj = 125° C
I
= 12 A, dIF/dt = 100 A/µs
F
VFR = 1.1 x V
, Tj = 25° C
Fmax
IF = 12 A, dIF/dt = 100 A/µs,
= 25° C
T
j
Min. Typ Max. Unit
28 35 ns
18 24
5.8 7.5 A
110 ns
2V
Figure 1. Peak current versus duty cycle Figure 2. Forward voltage drop versus
forward current (typical values)
I (A)
M
80
I
T
M
60
P = 5W
40
P = 2W
20
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
P = 1W
δ
δ
=tp/T
tp
I (A)
FM
200
180
160
140
120
100
80
60
40
20
0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
T=150°C
j
(typical values)
T=150°C
j
(maximum values)
V (V)
FM
T=25°C
j
(maximum values)
Figure 3. Relative variation of thermal
impedance, junction to case,
versus pulse duration (TO-220AC,
TO-220AC Ins)
Z/R
th(j-c) th(j-c)
1.0
Single pulse
TO-220AC
TO-220AC Ins
t (s)
0.1
1.E-03 1.E-02 1.E-01 1.E+00
p
Figure 4. Relative variation of thermal
impedance, junction to case,
versus pulse duration
(TO-220FPAC)
Z/R
th(j-c) th(j-c)
1.0
Single pulse
TO-220FPAC
0.1
t (s)
0.0
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
3/10
p