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| Part Number | P1800SB | P1800SD | P1800SC | P1800EB | P1800SA | 
|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | 
| Voltage - Breakover | 220V | 220V | 220V | 220V | 220V | 
| Voltage - Off State | 170V | 170V | 170V | 170V | 170V | 
| Voltage - On State | 4 V | 4 V | 4 V | 4 V | 4 V | 
| Current - Peak Pulse (8/20µs) | 250 A | 1 kA | 400 A | 250 A | 150 A | 
| Current - Peak Pulse (10/1000µs) | 80 A | 200 A | 100 A | 80 A | 45 A | 
| Current - Hold (Ih) | 150 mA | 50 mA | 150 mA | 150 mA | 150 mA | 
| Number of Elements | 1 | 1 | 1 | 1 | 1 | 
| Capacitance | 30pF | 90pF | 90pF | 50pF | 30pF | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount | 
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | TO-226-2, TO-92-2 (TO-226AC) | DO-214AA, SMB |