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STTH1512PI
Ultrafast recovery
April 2010 Doc ID 12157 Rev 2 1/11
STTH15121200 V ultrafast recovery diode
Features Ultrafast, soft recovery Very low conduction and switching losses High frequency and/or high pulsed current
operation High reverse voltage capability High junction temperature Insulated package: DOP3I Electrical insulation = 2500 V rms Capacitance = 12 pF
DescriptionThe high quality design of this diode has
produced a device with low leakage current,
regularly reproducible characteristics and intrinsic
ruggedness. These characteristics make it ideal
for heavy duty applications that demand long term
reliability.
Such demanding applications include industrial
power supplies, motor control, and similar
mission-critical systems that require rectification
and freewheeling. These diodes also fit into
auxiliary functions such as snubber, bootstrap,
and demagnetization applications.
The improved performance in low leakage
current, and therefore thermal runaway guard
band, is an immediate competitive advantage for
this device.
Table 1. Device summary
Characteristics STTH1512
2/11 Doc ID 12157 Rev 2
1 Characteristics
o evaluate the conduction losses use the following equation:
P = 1.4 x IF(AV) + 0.027 IF2 (RMS)
Table 2. Absolute ratings (limiting values at 25 °C, unless otherwise specified)
Table 3. Thermal parameters
Table 4. Static electrical characteristics Pulse test: tp = 5 ms, δ < 2 % Pulse test: tp = 380 µs, δ < 2 %
STTH1512 Characteristics
Doc ID 12157 Rev 2 3/11
Table 5. Dynamic characteristics
Figure 1. Conduction losses versus
average current
Figure 2. Forward voltage drop versus
forward current
Figure 3. Relative variation of thermal
impedance junction to case
versus pulse duration
Figure 4. Peak reverse recovery current
versus dIF
/dt (typical values)
Characteristics STTH1512
4/11 Doc ID 12157 Rev 2
Figure 5. Reverse recovery time versus
dIF/dt (typical values)
Figure 6. Reverse recovery charges versus
dIF/dt (typical values)
Figure 7. Softness factor versusF /dt (typical values)
Figure 8. Relative variations of dynamic
parameters versus junction
temperature
Figure 9. Transient peak forward voltage
versus dIF/dt (typical values)
Figure 10. Forward recovery time versus dIF/dt
(typical values)
STTH1512 Characteristics
Doc ID 12157 Rev 2 5/11
Figure 11. Junction capacitance versus
reverse voltage applied
(typical values)
Figure 12. Thermal resistance junction to
ambient versus copper surface
under each lead
Package information STTH1512
6/11 Doc ID 12157 Rev 2
2 Package information Epoxy meets UL94, V0 Cooling method: by conduction (C) Recommended torque value: 0.4 to 0.6 N·m (TO-220AC) Recommended torque value: 0.80 N·m (DOP3I) Maximum torque value: 1.0 N·m (DOP3I)
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOP ACK®
specifications, grade definitions and product status are available at: .
ECOPACK® is an ST trademark.
Table 6. DOP3 dimensions
