72. NPN Transistor for Relay Coil Driver
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MMBT3904-7-F
| DigiKey Part No | MMBT3904-FDITR-ND |
| Mfr Part No | MMBT3904-7-F |
| Manufacturer | Diodes Incorporated |
TRANS NPN 40V 0.2A SOT-23-3
Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 300 mW Surface Mount SOT-23-3
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✅ Transistor Type: NPN, matches the required NPN low-side switch application.
✅ Current - Collector (Ic) (Max): 200 mA, meets the minimum ≥200 mA requirement.
✅ Voltage - Collector Emitter Breakdown (Max): 40 V, exceeds the required ≥30 V.
✅ DC Current Gain (hFE) (Min): 100 @ 10mA, 1V, satisfies the required ≥80.
✅ Vce Saturation (Max): 300 mV @ 5mA, 50mA, meets the required ≤400 mV.
✅ Power - Max: 300 mW, exceeds the required ≥200 mW.
✅ Mounting Type: Surface Mount, matches requirement.
✅ Package / Case: TO-236-3, SC-59, SOT-23-3, acceptable SOT-23 variant and matches requirement.
✅ Operating Temperature: -55°C to 150°C (TJ), wider than the required -40°C to +125°C.
✅ RoHS Compliance: ROHS3 Compliant, satisfies requirement.
All required specifications are satisfied. This component is approved for the 12 V relay coil low-side driver application.
✅ Current - Collector (Ic) (Max): 200 mA, meets the minimum ≥200 mA requirement.
✅ Voltage - Collector Emitter Breakdown (Max): 40 V, exceeds the required ≥30 V.
✅ DC Current Gain (hFE) (Min): 100 @ 10mA, 1V, satisfies the required ≥80.
✅ Vce Saturation (Max): 300 mV @ 5mA, 50mA, meets the required ≤400 mV.
✅ Power - Max: 300 mW, exceeds the required ≥200 mW.
✅ Mounting Type: Surface Mount, matches requirement.
✅ Package / Case: TO-236-3, SC-59, SOT-23-3, acceptable SOT-23 variant and matches requirement.
✅ Operating Temperature: -55°C to 150°C (TJ), wider than the required -40°C to +125°C.
✅ RoHS Compliance: ROHS3 Compliant, satisfies requirement.
All required specifications are satisfied. This component is approved for the 12 V relay coil low-side driver application.
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