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| Part Number | 1N5544B | 1N5744B | 1N5545B | 1N5546B | 1N5534B | 1N5540B | 1N5541B | 1N5542B | 1N5543B |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Discontinued at Digi-Key | Discontinued at Digi-Key | Active | Active | Active |
| Voltage - Zener (Nom) (Vz) | 28 V | 22 V | 30 V | 33 V | 14 V | 20 V | 22 V | 24 V | 25 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW |
| Impedance (Max) (Zzt) | 111 Ohms | 55 Ohms | 112 Ohms | 113 Ohms | 101 Ohms | 107 Ohms | 108 Ohms | 109 Ohms | 110 Ohms |
| Current - Reverse Leakage @ Vr | 10 nA @ 25.2 V | 100 nA @ 15 V | 10 nA @ 27 V | 10 nA @ 29.7 V | 10 nA @ 12.6 V | 10 nA @ 18 V | 10 nA @ 19.8 V | 10 nA @ 21.6 V | 10 nA @ 22.4 V |
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 200 mA | 900 mV @ 10 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 1.1 V @ 200 mA |
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial |
| Supplier Device Package | DO-35 | DO-35 | DO-35 | DO-35 | DO-35 | DO-35 | DO-35 | DO-35 | DO-35 |
