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STPS61L45CT-STPS61L45CW
Power Schottky Rectifier
STPS61L45CPower Schottky rectifier
Features High current capability Avalanche rated Low forward voltage drop current High frequency operation
DescriptionDual center tap Schottky rectifier suited for high
frequency switch mode power supplies.
Packaged in TO-247 and TO-220AB, this device
provides desktop SMPS designers with a low
forward voltage drop device, and reduced leakage
current, with the objective of making the
application compliant with environmental care
standards, or suitable for 80+ requirements.
Table 1. Device summary
Characteristics STPS61L45C
1 Characteristics
When the diodes 1 and 2 are used simultaneously :ΔTj(diode 1) = P(diode1) x R th(j-c) (Per diode) + P(diode 2) x R th(c).
To evaluate the conduction losses use the following equation:
P = 0.3 x IF(AV) + 0.007 x IF2 (RMS)
Table 2. Absolute ratings (limiting values per diode at 25 °C unless otherwise
specified) condition to avoid runaway for a diode on its own heatsink
Table 3. Thermal resistances
Table 4. Static electrical characteristics (per diode) Pulse test: tp = 5 ms, δ < 2% Pulse test: tp = 380 µs, δ < 2%
STPS61L45C Characteristics
Figure 1. Conduction losses versus average
forward current (per diode)
Figure 2. Average forward current versus
ambient temperature (δ = 0.5),
(per diode)
Figure 3. Normalized avalanche power
derating versus pulse duration
Figure 4. Normalized avalanche power
derating versus junction
temperature
Figure 5. Non repetitive surge peak forward
current versus overload duration
(per diode)
Figure 6. Relative variation of thermal
impedance junction to case versus
pulse duration
Characteristics STPS61L45C
Figure 9. Forward voltage drop versus forward current (per diode)
Figure 7. Reverse leakage current versus
reverse voltage applied
(typical values, per diode)
Figure 8. Junction capacitance versus
reverse voltage applied
(typical values, per diode)
STPS61L45C Package information
2 Package information Epoxy meets UL94, V0 Cooling method: by conduction (C) Recommended torque values for: TO-220AB 0.4 to 0.6 N·m Recommended torque value for: TO-247 0.55 to 1.0 N·m
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: .
ECOPACK® is an ST trademark.
Table 5. TO-220AB dimensions
Package information STPS61L45C
Table 6. TO-247 dimensions
