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STPS61L60CT-STPS61L60CW
Power Schottky Rectifier
June 2010 Doc ID 15641 Rev 2 1/9
STPS61L60CPower Schottky rectifier
Features High current capability Avalanche rated Low forward voltage drop current High frequency operation
DescriptionThis dual center tap schottky rectifier is 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.
Figure 1. Electrical characteristics (a)
Table 1. Device summary VARM and IARM must respect the reverse safe
operating area defined in Figure 12 VAR and IAR are
pulse measurements (tp < 1 µs). VR, IR, VRRM and VF,
are static characteristics
Characteristics STPS61L60C2/9 Doc ID 15641 Rev 2
1 Characteristics When the diodes 1 and 2 are used simultaneously :
ΔTj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c).
Table 2. Absolute ratings (limiting values per diode at 25 °C unless otherwise specified) Refer to Figure12 condition to avoid thermal runaway for a diode on its own heatsink
Table 3. Thermal resistances
STPS61L60C CharacteristicsDoc ID 15641 Rev 2 3/9
To evaluate the conduction losses use the following equation: P = 0.44 x IF(AV) + 0.006 x IF2 (RMS)
Table 4. Static electrical characteristics (per diode) Pulse test: tp = 5 ms, δ < 2% Pulse test: tp = 380 µs, δ < 2%
Figure 2. Average forward power dissipation
vs. average forward current
(per diode)
Figure 3. Average forward current vs.
ambient temperature
(δ = 0.5, per diode)
Figure 4. Normalized avalanche power
derating vs. pulse duration
Figure 5. Normalized avalanche power
derating vs. junction temperature
Characteristics STPS61L60C4/9 Doc ID 15641 Rev 2
Figure 6. Non repetitive surge peak forward
current vs. overload duration
(max. values, per diode, TO-247)
Figure 7. Non repetitive surge peak forward
current vs. overload duration
(max. values, per diode, TO-220AB)
Figure 8. Relative variation of thermal
impedance junction to case
vs. pulse duration
Figure 9. Reverse leakage current vs. reverse
voltage applied
(typical values, per diode)
Figure 10. Junction capacitance vs. reverse
voltage applied
(typical values, per diode)
Figure 11. Forward voltage drop vs. forward
current (per diode)
STPS61L60C CharacteristicsDoc ID 15641 Rev 2 5/9
Figure 12. Reverse safe operating area (tp < 1 µs and Tj < 150 °C)
Package information STPS61L60C6/9 Doc ID 15641 Rev 2
2 Package information Epoxy meets UL94, V0 Cooling method: conduction Torque value: TO-247 - 0.55 N·m recommended, 1.0 N·m maximum TO-220AB - 0.4 to 0.6 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. ECOP ACK®
specifications, grade definitions and product status are available at: .
ECOPACK® is an ST trademark.
Table 5. TO-247 dimensions Dimension D plus gate protrusion does not exceed 20.5 mm Resin thickness around the mounting hole is not less than 0.9 mm
