28. Relay Flyback Diode Selection
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S1A-13-F
| DigiKey Part No | S1A-FDITR-ND |
| Mfr Part No | S1A-13-F |
| Manufacturer | Diodes Incorporated |
DIODE STANDARD 50V 1A SMA
Diode 50 V 1A Surface Mount SMA
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✅ Component type/application: This is a single rectifier diode suitable for flyback protection across a 12V relay coil.
✅ Diode type: Listed as Standard technology, which satisfies the general purpose rectifier requirement.
✅ Average rectified current: 1A, meeting the required minimum of ≥1A and comfortably above the 80 mA relay coil current.
✅ Repetitive reverse voltage: 50V, exceeding the required minimum of ≥40V.
✅ Package: SMA, exactly matches the requirement.
✅ Mounting type: Surface Mount, exactly matches the requirement.
✅ Operating temperature range: -65°C to 150°C junction, which is wider than the required −40°C to +125°C or wider.
✅ RoHS compliance: ROHS3 Compliant, satisfying the requirement.
All listed requirements are satisfied, so this component is approved for the relay flyback diode application.
✅ Diode type: Listed as Standard technology, which satisfies the general purpose rectifier requirement.
✅ Average rectified current: 1A, meeting the required minimum of ≥1A and comfortably above the 80 mA relay coil current.
✅ Repetitive reverse voltage: 50V, exceeding the required minimum of ≥40V.
✅ Package: SMA, exactly matches the requirement.
✅ Mounting type: Surface Mount, exactly matches the requirement.
✅ Operating temperature range: -65°C to 150°C junction, which is wider than the required −40°C to +125°C or wider.
✅ RoHS compliance: ROHS3 Compliant, satisfying the requirement.
All listed requirements are satisfied, so this component is approved for the relay flyback diode application.
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