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Fischer Elektronik MK 251 42 G

Solder and plug pins, D0.5 mm

Answer first: this page is a purchasing reference for the exact part number MK 251 42 G from Fischer Elektronik. 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: Fischer Elektronik Category: Headers, Male Pins Part number: MK 251 42 G Package: RFQ verification required

Key Parameters

Part NumberMK 251 42 G
ManufacturerFischer Elektronik
CategoryHeaders, Male Pins
seriesMK 251
packagingBulk
product statusActive
param 1Header
param 2Male Pin
param 30.100" (2.54mm)
param 442
param 52
param 60.100" (2.54mm)
param 7All
param 8Board to Board or Cable
param 9Unshrouded
param 10Through Hole
param 11Solder
param 12Push-Pull
param 130.157" (4.00mm)
param 140.114" (2.90mm)
param 15-
param 160.098" (2.50mm)
param 17Circular
param 18Gold
param 197.87µin (0.200µm)
param 20Gold
param 21Copper Zinc
param 22Polyamide (PA46), Nylon 4/6, Glass Filled
param 23Rectangular PCB Connection
param 24-40°C ~ 163°C
param 25-
param 26UL94 V-0
param 27Black
param 281.5A
param 2960VDC

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

How to Verify MK 251 42 G 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 MK 251 42 G, 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.