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44. GDT for Ethernet Port Lightning Protection

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CG75MSTR
Component
DigiKey Part NoCG75MSTRTR-ND
Mfr Part NoCG75MSTR
ManufacturerLittelfuse Inc.

GDT 75V 20KA 2 POLE SMD

Gas Discharge Tube 75 V 20000A (20kA) 2 Pole Surface Mount

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EW

Response By EW AI

✅ Component type/category matches: Gas Discharge Tube (GDT) in DigiKey category Gas Discharge Tube Arresters (GDT).
✅ Manufacturer matches AVL requirement: Littelfuse Inc.
✅ Voltage - DC Spark Over (Nom): 75 V, exactly matches the required 75 V for PoE Ethernet surge protection.
✅ Impulse Discharge Current (8/20µs): 20000A (20kA), which exceeds the minimum required 10kA.
✅ Number of Poles: 2, matches the required 2-pole GDT for one Ethernet cable pair.
✅ Mounting Type: Surface Mount, matches the required SMD package.
✅ RoHS Compliance: ROHS3 Compliant, satisfies the RoHS requirement.
✅ Package description confirms SMD form: 2-SMD Cylinder Square End.
All required specifications are satisfied, so this Littelfuse part CG75MSTR is approved for the stated Ethernet port primary lightning surge protection application.
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