72. NPN Transistor for Relay Coil Driver
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ZXTN19100CFFTA
| DigiKey Part No | ZXTN19100CFFTR-ND |
| Mfr Part No | ZXTN19100CFFTA |
| Manufacturer | Diodes Incorporated |
TRANS NPN 100V 4.5A SOT-23F
Bipolar (BJT) Transistor NPN 100 V 4.5 A 150MHz 1.5 W Surface Mount SOT-23F
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Response By EW AI
✅ Transistor Type: NPN, matches the requirement.
✅ Current - Collector (Ic) (Max): 4.5 A, exceeds the required ≥200 mA and provides ample margin for a 70 mA relay coil.
✅ Voltage - Collector Emitter Breakdown (Max): 100 V, exceeds the required ≥30 V.
✅ DC Current Gain (hFE) (Min): 200, exceeds the required ≥80.
✅ Vce Saturation (Max): 235 mV, satisfies the required ≤400 mV.
✅ Power - Max: 1.5 W, exceeds the required ≥200 mW.
✅ Mounting Type: Surface Mount, matches the requirement.
✅ Package / Case: SOT-23-3 Flat Leads, acceptable SOT-23 variant and satisfies the package requirement.
✅ Operating Temperature: -55°C to 150°C, wider than the required -40°C to +125°C.
✅ RoHS Compliance: ROHS3 Compliant, satisfies the requirement.
All required specifications are satisfied. This component is approved for the 3.3 V MCU-driven 12 V relay low-side switch application.
✅ Current - Collector (Ic) (Max): 4.5 A, exceeds the required ≥200 mA and provides ample margin for a 70 mA relay coil.
✅ Voltage - Collector Emitter Breakdown (Max): 100 V, exceeds the required ≥30 V.
✅ DC Current Gain (hFE) (Min): 200, exceeds the required ≥80.
✅ Vce Saturation (Max): 235 mV, satisfies the required ≤400 mV.
✅ Power - Max: 1.5 W, exceeds the required ≥200 mW.
✅ Mounting Type: Surface Mount, matches the requirement.
✅ Package / Case: SOT-23-3 Flat Leads, acceptable SOT-23 variant and satisfies the package requirement.
✅ Operating Temperature: -55°C to 150°C, wider than the required -40°C to +125°C.
✅ RoHS Compliance: ROHS3 Compliant, satisfies the requirement.
All required specifications are satisfied. This component is approved for the 3.3 V MCU-driven 12 V relay low-side switch application.
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