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BAT41KFILM-BAT41ZFILM
Low capacitance small signal Schottky diodes
October 2009 Doc ID 12633 Rev 2 1/12
T41Low capacitance small signal Schottky diodes
Features Low leakage current losses Negligible switching losses Low forward and reverse recovery times Extremely fast switching Surface mount device Low capacitance diode
DescriptionThe BAT41 series uses 100 V Schottky barrier
diodes packaged in SOD-123, SOD-323,
SOD-523, SOT-323, or SOT-666. This series is
specially suited for switching mode with low IR
losses
Table 1. Device summary
Characteristics BAT412/12 Doc ID 12633 Rev 2
1 Characteristics
Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)
Table 3. Thermal parameters Epoxy printed circuit board with recommended pad layout
Table 4. Static electrical characteristics Pulse test: tp = 5 ms, δ < 2 % Pulse test: tp = 380 µs, δ < 2 %
Table 5. Dynamic characteristics
BAT41 CharacteristicsDoc ID 12633 Rev 2 3/12
Figure 1. Average forward power dissipation
versus average forward current
Figure 2. Average forward current versus
ambient temperature (δ = 1)
Figure 3. Reverse leakage current versus
reverse applied voltage
(typical values)
Figure 4. Reverse leakage current versus
junction temperature
(typical values)
Figure 5. Junction capacitance versus
reverse applied voltage
(typical values)
Figure 6. Forward voltage drop versus
forward current (typical values)
Characteristics BAT414/12 Doc ID 12633 Rev 2
Figure 11. Thermal resistance junction to ambient versus copper surface under each lead
Figure 7. Forward voltage drop versus
forward current (typical values)
Figure 8. Variation of thermal impedance
junction to ambient versus pulse
duration
Figure 9. Relative variation of thermal
impedance junction to ambient
versus pulse duration
Figure 10. Relative variation of thermal
impedance junction to ambient
versus pulse duration
BAT41 Ordering information schemeDoc ID 12633 Rev 2 5/12
Ordering information scheme
Figure 12. Ordering information scheme
Package information BAT416/12 Doc ID 12633 Rev 2
3 Package information Epoxy meets UL94, V0 Lead-free packages
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.
Figure 13. SOD-123 footprint (dimensions in mm)
Table 6. SOD-123 dimensions
