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640251-4 — TE Connectivity AMP Connectors product photo
TE Connectivity AMP Connectors

640251-4 TE Connectivity SL-156 Receptacle Housing 4

MPN640251-4
Active

TE Connectivity AMP Connectors SL-156 series, 640251-4, 4-position single-row receptacle housing, 0.156" (3.96mm) pitch, natural nylon, free-hanging inline, crimp termination, contacts not included.

$0.2000Ref. price · indicative, final on quote
640251-4 datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
  • Factory packaging where availableSealed reels, trays and bags; cut quantities always stated on the quote.
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Specifications

640251-4 Technical Specifications
ParameterValue
SeriesSL-156
GenderFemale Socket
Mounting typeFree Hanging (In-Line)
Connector typeReceptacle
Operating temperature-55°C ~ 105°C
ColorNatural
Insulation materialPolyamide (PA), Nylon
NoteContacts Not Included
Pitch0.156\" (3.96mm)
PackageBulk
Rows1
Contact terminationCrimp
Positions4

Product details

The 640251-4 is a 4-position single-row receptacle housing on 0.156" (3.96mm) pitch — the same pitch as the SL-156 series pin headers. That means the board layout for the mating header is set at 3.96mm centre-to-centre, and the housing will align only with a matching 4-position header of the same pitch.

Sourcing the crimp terminals separately

Without the terminals, the housing is just a shell; the harness won't conduct. Termination is crimp, so the wire gauge and tooling for the SL-156 terminal determine the current capacity. The housing itself does not add a current limit beyond what the terminal and wire can handle.

Free-hanging inline mounting and mating

The connector type is receptacle, accepting a female socket contact.

Frequently asked questions

What is the pitch of 640251-4?

The pitch is 0.156" (3.96mm), centre-to-centre between adjacent positions. This is the same pitch as the SL-156 header series.

Does 640251-4 include contacts?

No. The note on the part states 'Contacts Not Included'. The housing is sold empty; you must order the mating crimp terminals separately.