M20-7872042 40-position (20+20) female socket receptacle, surface mount, 2.54mm pitch, 7.5mm height, rated 3A and 1000V. Tin/gold contact finish, UL94 V-0.
Mfr Part #:

M20-7872042

Available from 1 distributors
Mfr Name: Harwin Inc.
Harwin Inc.
40-position (20+20) female socket receptacle, surface mount, 2.54mm pitch, 7.5mm height, rated 3A and 1000V. Tin/gold contact finish, UL94 V-0.
Total Stock: 1,045 pcs
$ Price Range: $3.35 - $5.62

M20-7872042 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,045 pcs
1045 pcs On Request 1 On Request On Request On Request On Request On Request

M20-7872042 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connector Type
Contact Finish
Contact Material
Contact Resistance (Maximum @ After conditioning)
Contact Resistance (Maximum @ Initial)
Contact Type
Current Rating (Amps)
Dielectric Withstanding Voltage
Fastening Type
Insulation Color
Insulation Height
Insulation Resistance
Lead Spacing
Lead Style
Mated Stacking Heights
Material Flammability Rating
Mounting Type
Number of Positions
Number of Positions Loaded
Number of Rows
Operating Temperature
Pitch
Row Spacing
Style
Tape & Reel
Termination
Voltage Rating

M20-7872042 Description

Short technical summary and product information.

The Harwin M20-7872042 is a 40-position (20+20) double row female socket receptacle from the M20 series. It features a 2.54mm (0.1") pitch with 2.54mm row spacing, a 7.5mm insulation height, and surface mount termination with solder contacts. The connector supports dual entry (top or bottom) and uses a push-pull fastening type. The housing is black UL94 V-0 rated thermoplastic. Electrically, it is rated for 3A per contact and 1000V, with a contact resistance of 20mΩ max initial and 30mΩ after conditioning, dielectric withstanding voltage of 1000V AC, and insulation resistance of 1000MΩ min. Operating temperature ranges from -40°C to 105°C. Contact material is copper alloy, with gold finish on the contact area and tin on the terminations. Mated stacking heights of 10.04mm and 11.63mm are supported. The style is suitable for board-to-board or cable connections. It is RoHS3 compliant, REACH unaffected, and rated MSL 1.

M20-7872042 Quick Information

Product Type: Female Socket Receptacle
Series: M20
Canonical Name: Harwin M20-7872042 40 Position Female Socket Receptacle, Surface Mount, 2.54mm Pitch
Subcategory: Headers, Receptacles, Female Sockets

M20-7872042 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

M20-7872042 Estimated Pricing

Qty Low High
1+ $5.62 $5.62
11+ $4.84 $4.84
110+ $4.11 $4.11
506+ $3.73 $3.73
1,001+ $3.52 $3.52
2,508+ $3.35 $3.35

Estimated market price range - modelled values for guidance only, not live distributor offers.

M20-7872042 Features

  • 40-position (20+20) double row female receptacle.
  • 2.54mm pitch with 2.54mm row spacing.
  • Surface mount with solder termination.
  • Rated for 3A per contact and 1000V.
  • Operating temperature range -40°C to 105°C.

M20-7872042 Applications

  • Board-to-board stacking with 10.04mm and 11.63mm heights.
  • Cable-to-board connections in industrial electronics.
  • Used in telecommunications and data processing equipment.
  • Suitable for automotive and consumer electronics.

M20-7872042 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the number of positions?

40 positions (20+20 dual row).

What is the pitch?

2.54mm (0.100").

What is the current rating?

3A per contact.

What is the voltage rating?

1000V.

What is the mounting type?

Surface mount.

What is the operating temperature range?

-40°C to 105°C.

What is the contact material and finish?

Copper alloy with gold finish on contact area and tin on terminations.

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