Product Overview
The P0220SAMCLRP is a SIDACtor Thyristor Surge Protection Device (TSPD) from Littelfuse, designed for overvoltage protection in telecom and data communication applications. It provides bidirectional crowbar protection with a low overvoltage factor and high surge current capability in a compact DO-214AA (SMB) surface-mount package.
Key Specifications
| Device Type | SIDACtor (Thyristor Surge Protector) |
| Direction | Bidirectional |
| Off-State Voltage (Vdrm) | 15V min |
| Breakover Voltage Max (Vbo) | 32V |
| Peak Pulse Current (Ipp) | 45A (2/10μs) |
| Surge Current Rating | 25A |
| Holding Current (Ih) | 50mA min |
| On-State Voltage (Vt) | 4V max @ 2.2A |
| Off-State Current | 5μA max |
| Package | DO-214AA (SMB) |
| Operating Temperature | -40°C to +150°C |
Features
- Crowbar protection — voltage collapses after triggering
- Bidirectional — symmetric AC protection
- Low overvoltage factor
- High surge current capability (45A peak)
- Self-resetting after surge subsides
- RoHS compliant
Applications
- Telecom line card surge protection
- DSL/xDSL modem protection
- SLIC (Subscriber Line Interface Circuit) protection
- VoIP gateway line protection
- POS terminal communication port protection