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Semitec USA Corp 503NT-4-R025H42G

NTC THERMISTORS 50KOHM 3% GLASS

Answer first: this page is a purchasing reference for the exact part number 503NT-4-R025H42G from Semitec USA Corp. 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: Semitec USA Corp Part number: 503NT-4-R025H42G Package: Bead RFQ verification required

Key Parameters

Part Number503NT-4-R025H42G
ManufacturerSemitec USA Corp
CategoryNTC Thermistors
packageBead
seriesNT
packagingBulk
product statusActive
param 150k
param 2±3%
param 3±2%
param 4-
param 5-
param 6-
param 74288K
param 8-
param 9-50°C ~ 300°C
param 10-
param 112.66" (67.50mm)
param 12Through Hole
param 13-
param 14-

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

How to Verify 503NT-4-R025H42G 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 503NT-4-R025H42G, 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.