✅ Component type/category matches: Gas Discharge Tube in DigiKey category Gas Discharge Tube Arresters (GDT).
✅ Manufacturer matches AVL requirement: Littelfuse Inc.
✅ Voltage - DC Spark Over (Nom): 230 V, exactly matches the required 230 V for POTS line protection.
✅ Impulse Discharge Current (8/20µs): 5000A (5kA), meets the minimum ≥5kA requirement.
✅ Number of Poles: 2, matches the required 2-pole configuration for Tip and Ring protection.
✅ Mounting Type: Surface Mount, matches the required SMD package.
✅ RoHS Compliance: ROHS3 Compliant, satisfies the RoHS requirement.
All required specifications are satisfied. This Littelfuse part SL1002A230SM is approved for the stated POTS telephone line primary lightning protection application.