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| PartNumber | A1220UB4LTP | A1220UB4LRP | A1220UB4 |
| Description | Thyristor Surge Protection Devices (TSPD) 4Chp 100/180V 80A | Sidacs 4Chp 100/180V 80A | |
| Manufacturer | Littelfuse | Littelfuse Inc. | - |
| Product Category | Thyristor Surge Protection Devices (TSPD) | TVS - Thyristors | - |
| RoHS | Y | - | - |
| Holding Current Ih Max | 120 mA | 120 mA | - |
| Packaging | Tube | Tape & Reel (TR) | - |
| Series | AxxxxuB4 | SIDACtorR | - |
| Brand | Littelfuse | - | - |
| Product Type | TSPDs | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | Thyristors | - | - |
| Tradename | SIDACtor | Sidactor | - |
| Mounting Style | - | SMD/SMT | - |
| Current Rating | - | 2.2 A | - |
| Package Case | - | 6-SOIC (0.295", 7.50mm Width) | - |
| Capacitance | - | 35pF, 55pF, 110pF | - |
| Number of Elements | - | 4 | - |
| Voltage Breakover | - | 130V, 220V | - |
| Voltage Off State | - | 100V,180V | - |
| Current Peak Pulse 10 1000μs | - | 80A | - |
| Voltage On State | - | 4V | - |
| Current Peak Pulse 8 20μs | - | 250A | - |
| Current Hold Ih | - | 120mA | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Breakover Voltage VBO | - | 130 V 230 V | - |
| Breakover Current IBO Max | - | 800 mA | - |
| Rated Repetitive Off State Voltage VDRM | - | 100 V 180 V | - |
| Non Repetitive On State Current | - | 30 A | - |
| Off State Leakage Current VDRM IDRM | - | 5 uA | - |
| On State Voltage | - | 4 V | - |
| Off State Capacitance CO | - | 35 pF 55 pF 110 pF | - |