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TE Connectivity AMP Connectors 643657-1 — Pin Headers, Sockets & Housings

643657-1 TE Connectivity Diplomate DL SIP Socket

MPN643657-1
Obsolete

TE Connectivity AMP Connectors Diplomate DL SIP socket, 25 (1 x 25) positions, 0.100" (2.54 mm) pitch, through-hole solder termination, tin-plated beryllium copper contacts, closed frame housing, UL94 V-0, -55°C to 105°C.

$3.9400Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent supplier — new & surplus connector stock· Listing updated Jul 2026

Specifications

643657-1 specifications
ParameterValue
TypeSIP
SeriesDiplomate DL
MountingThrough Hole
Operating temperature-55°C ~ 105°C
Housing materialThermoplastic, Glass Filled
Contact material - postBeryllium Copper
Contact material - matingBeryllium Copper
Material flammability ratingUL94 V-0
PackageTray
FeaturesClosed Frame
TerminationSolder
Pitch - post0.100\" (2.54mm)
Pitch0.100\" (2.54mm)
Contact finish - postTin
Contact finish - matingTin
Termination post length0.130\" (3.30mm)
Number of positions or pins25 (1 x 25)

Product details

Lifecycle and Sourcing Reality

The 643657-1: No official replacement or successor part number is recorded; any pin-compatible alternative would need to match the 25-position, 0.100" pitch SIP footprint and through-hole termination. Available through independent surplus channels — quantities are lot-specific and confirmed at RFQ. No stock-holding claim; sourced per RFQ against the BOM quantity.

Frequently asked questions

Is 643657-1 obsolete?

Critical for lifecycle planning and risk of supply disruption.

What is the replacement for 643657-1?

Essential for design-in continuity when original part is end-of-life.

What is the price of 643657-1?

Drives purchasing decisions and budget allocation.

Where can I buy 643657-1 in stock?

Directly affects procurement lead time and production schedule.

What is the pitch of 643657-1?

Critical for fit validation in PCB layout.

What is the operating temperature range of 643657-1?

Needed for environmental compatibility in the application.