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| Part Number | SMCJ18A | SMCJ18CA | SMCJ18AH | SMCJ19A | SMCJ18C | SMCJ18 | SMCJ180 | SMCJ180A |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | Meritek | Meritek | Meritek | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | 1 | - | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | - | 1 | - | - | - |
| Voltage - Reverse Standoff (Typ) | 18V | 18V | 18V | 19V | 18V | 18V | 180V | 180V |
| Voltage - Breakdown (Min) | 20V | 20V | 20V | 21.1V | 20V | 20V | 200.16V | 201V |
| Voltage - Clamping (Max) @ Ipp | 29.2V | 29.2V | 29.2V | 30.8V | 32.2V | 32.2V | 322.2V | 292V |
| Current - Peak Pulse (10/1000µs) | 51.4A | 51.4A | 53A | 48.73A | 46.58A | 46.58A | 4.66A | 5.1A |
| Power - Peak Pulse | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) |
| Power Line Protection | No | No | No | - | - | - | - | No |
| Applications | General Purpose | General Purpose | Automotive, Telecom | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | - | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB (SMC) | DO-214AB (SMC) | DO-214AB (SMC) | DO-214AB (SMC) | DO-214AB, SMC |
| Supplier Device Package | DO-214AB (SMC) | SMC (DO-214AB) | DO-214AB (SMC) | - | - | - | - | DO-214AB (SMCJ) |
