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Thomas Research Products SSP3-277

SPD TYPE 5 320VAC/420VDC MCOV

Answer first: this page is a purchasing reference for the exact part number SSP3-277 from Thomas Research Products. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Thomas Research Products Category: Surge Protection Devices (SPDs) Part number: SSP3-277 Package: RFQ verification required

Key Parameters

Part NumberSSP3-277
ManufacturerThomas Research Products
CategorySurge Protection Devices (SPDs)
seriesSSP3
packagingBulk
product statusActive
param 1Type 5
param 2Module Only
param 31
param 4320VAC, 420VDC
param 55 kA
param 620 kA
param 7-
param 8-
param 9-
param 10-35°C ~ 85°C
param 11-
param 12-
param 13cURus, UL

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify SSP3-277 Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For SSP3-277, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.