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| Part Number | SMCJ220 | SMCJ220A | SMCJ22A | SMCJ22C | SMCJ220C | SMCJ20 | SMCJ200 | SMCJ22 | 
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Bourns Inc. | Taiwan Semiconductor Corporation | Meritek | Littelfuse Inc. | Meritek | Littelfuse Inc. | Meritek | 
| Product Status | Obsolete | Active | Active | Active | Obsolete | Active | Obsolete | 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) | 220V | 220V | 22V | 22V | 220V | 20V | 200V | 22V | 
| Voltage - Breakdown (Min) | 233.1V | 246V | 24.4V | 24.4V | 233.1V | 22.2V | 211.95V | 24.4V | 
| Voltage - Clamping (Max) @ Ipp | 373.8V | 356V | 35.5V | 39.4V | 373.8V | 35.8V | 340.2V | 39.4V | 
| Current - Peak Pulse (10/1000µs) | 4.2A | 4.2A | 42.3A | 38.07A | 4.2A | 41.9A | 4.6A | 38.07A | 
| 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 | - | No | - | 
| Applications | General Purpose | General Purpose | General Purpose | 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 (TJ) | -55°C ~ 150°C | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | 
| 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 (SMCJ) | DO-214AB (SMC) | SMC (DO-214AB) | - | DO-214AB (SMCJ) | - | DO-214AB (SMCJ) | - |