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KK 254 2.54mm Header

23 variants · Molex

About the KK 254 2.54mm Header

IC Source Direct is a China connector distributor, supplier and independent procurement agent for KK 254 2.54mm Header components, matching housing, contact and mating cycles across the Shenzhen interconnect channel. The Molex KK 254 2.54mm Header series groups 23 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common connector type of Header, contact finish - mating of Tin and contact finish - post of Tin. Variants differ by applications, contact finish thickness - mating and contact finish thickness - post, so you can match the exact applications your application requires using the selection guide below. All listed KK 254 2.54mm Header part numbers are active and orderable.

Select a variant by

Applications
- · Automotive, General Purpose, Industrial, Medical, Telecommunications · Automotive, General Purpose, Medical, Telecommunications
Contact finish thickness - mating
- · 60.0µin (1.52µm) · 200.0µin (5.08µm)
Contact finish thickness - post
- · 60.0µin (1.52µm)
Contact length - mating
0.138\" (3.50mm) · 0.295\" (7.49mm) · 0.435\" (11.05mm)
Contact length - post
0.125\" (3.18mm) · 0.134\" (3.40mm) · 0.135\" (3.43mm) · 0.138\" (3.50mm)
Contact material
- · Brass
Contact shape
Circular · Square
Fastening type
Detent Lock · Friction Lock · Push-Pull

Shared specifications

Connector type
Header
Contact finish - mating
Tin
Contact finish - post
Tin
Current rating
-
Features
-
IP rating
-
Mated stacking heights
-
Material flammability rating
UL94 V-0
Mounting
Through Hole
Operating temperature
-
Package
Bulk
Row spacing - mating
-

Variant comparison

Parameter002203203100220320710022032082002203210200220350650022035085
ApplicationsAutomotive, General Purpose, Medical, TelecommunicationsAutomotive, General Purpose, Medical, TelecommunicationsAutomotive, General Purpose, Medical, TelecommunicationsAutomotive, General Purpose, Medical, TelecommunicationsAutomotive, General Purpose, Industrial, Medical, TelecommunicationsAutomotive, General Purpose, Industrial, Medical, Telecommunications
Contact finish thickness - mating60.0µin (1.52µm)60.0µin (1.52µm)60.0µin (1.52µm)60.0µin (1.52µm)--
Contact finish thickness - post60.0µin (1.52µm)60.0µin (1.52µm)60.0µin (1.52µm)60.0µin (1.52µm)--
Contact length - mating0.295\" (7.49mm)0.295\" (7.49mm)0.435\" (11.05mm)0.435\" (11.05mm)0.138\" (3.50mm)0.138\" (3.50mm)
Contact length - post0.135\" (3.43mm)0.135\" (3.43mm)0.125\" (3.18mm)0.125\" (3.18mm)0.138\" (3.50mm)0.138\" (3.50mm)
Contact material----BrassBrass
Contact shapeSquareSquareSquareSquareCircularCircular
Fastening typePush-PullPush-PullPush-PullPush-PullDetent LockDetent Lock

Request a quote on any KK 254 2.54mm Header part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants