TE Connectivity Electronic Connector 521781-1

Description
4P Nylon Receptacle Connector, Wire-to-Wire, Straight, Quick Connect Product overview: 521781-1 from TE Connectivity is an Electronic Connector for board-to-board, wire-to-board, backplane, terminal, cable, and industrial interconnect applications. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include connector, interconnect, header, socket, terminal block, Electronic Connector, Rectangular Connector Accessories. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 340-521781-1 can be used for catalog matching and distributor lookup.
Request a Quote Datasheet
Description
4P Nylon Receptacle Connector, Wire-to-Wire, Straight, Quick Connect Product overview: 521781-1 from TE Connectivity is an Electronic Connector for board-to-board, wire-to-board, backplane, terminal, cable, and industrial interconnect applications. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include connector, interconnect, header, socket, terminal block, Electronic Connector, Rectangular Connector Accessories. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 340-521781-1 can be used for catalog matching and distributor lookup.
Request a Quote Datasheet

Suppliers

Company
Product
Description
Supplier Links
Singapore
Electronic Connector
340-521781-1
Electronic Connector 340-521781-1
4P Nylon Receptacle Connector, Wire-to-Wire, Straight, Quick Connect Product overview: 521781-1 from TE Connectivity is an Electronic Connector for board-to-board, wire-to-board, backplane, terminal, cable, and industrial interconnect applications. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include connector, interconnect, header, socket, terminal block, Electronic Connector, Rectangular Connector Accessories. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 340-521781-1 can be used for catalog matching and distributor lookup.

4P Nylon Receptacle Connector, Wire-to-Wire, Straight, Quick Connect Product overview: 521781-1 from TE Connectivity is an Electronic Connector for board-to-board, wire-to-board, backplane, terminal, cable, and industrial interconnect applications. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include connector, interconnect, header, socket, terminal block, Electronic Connector, Rectangular Connector Accessories. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 340-521781-1 can be used for catalog matching and distributor lookup.

Supplier's Site Datasheet
Connectors, Interconnects - Terminals - Housings, Boots - 1364074-521781-1 - Win Source Electronics
Laguna Hills, CA, United States
Connectors, Interconnects - Terminals - Housings, Boots
1364074-521781-1
Connectors, Interconnects - Terminals - Housings, Boots 1364074-521781-1
Win Source Part Number: 1364074-521781-1 Category: Connectors, Interconnects - Terminals - Housings, Boots Fake Threat In the Open Market: 41 pct. MSL Level: 1 (Unlimited) Mfr: TE Connectivity AMP Connectors Series: Mark III Package: Bulk Product Status: Active Base Product Number: 521781 Mounting Type: Free Hanging (In-Line) HTSUS: 8538.90.6000 ECCN: EAR99 Style: Housing Color: Natural Number of Positions: 4 Note: Contacts Not Included Terminal Type: Quick Connect, Disconnect Gender: Female, Receptacle For Use With/Related Products: 0.187" (4.75mm) and 0.250" (6.35mmm) Quick Connects Terminal Size: 0.187" (4.75mm), 0.250" (6.35mm) Stacking Direction: Side to Side Material: Nylon

Win Source Part Number: 1364074-521781-1
Category: Connectors, Interconnects - Terminals - Housings, Boots
Fake Threat In the Open Market: 41 pct.
MSL Level: 1 (Unlimited)
Mfr: TE Connectivity AMP Connectors
Series: Mark III
Package: Bulk
Product Status: Active
Base Product Number: 521781
Mounting Type: Free Hanging (In-Line)
HTSUS: 8538.90.6000
ECCN: EAR99
Style: Housing
Color: Natural
Number of Positions: 4
Note: Contacts Not Included
Terminal Type: Quick Connect, Disconnect
Gender: Female, Receptacle
For Use With/Related Products: 0.187" (4.75mm) and 0.250" (6.35mmm) Quick Connects
Terminal Size: 0.187" (4.75mm), 0.250" (6.35mm)
Stacking Direction: Side to Side
Material: Nylon

Buy Now Datasheet
Housings, Boots - 521781-1 - ODG (Origin Data Global)
Shenzhen, China
Housings, Boots
521781-1
Housings, Boots 521781-1
CONN RCPT HSG 0.187 0.250 4POS

CONN RCPT HSG 0.187 0.250 4POS

Supplier's Site Datasheet
Housings, Boots - A113884-ND - DigiKey
Thief River Falls, MN, United States
Housings, Boots
A113884-ND
Housings, Boots A113884-ND
"4 Position Housing Connector Female, Receptacle Natural 0.187"" (4.75mm), 0.250"" (6.35mm)"

"4 Position Housing Connector Female, Receptacle Natural 0.187"" (4.75mm), 0.250"" (6.35mm)"

Buy Now Datasheet
Connectors Miscellaneous - 521781-1 - Heilind Electronics, Inc.
Wilmington, MA, United States
Connectors Miscellaneous
521781-1
Connectors Miscellaneous 521781-1
POSI LOCK HSG MK III

POSI LOCK HSG MK III

Buy Now

Technical Specifications

  ERSAELECTRONICS PTE. LTD. Win Source Electronics ODG (Origin Data Global) DigiKey Heilind Electronics, Inc.
Product Category Electrical Connectors Electrical Connectors Electrical Connectors Electrical Connectors Electrical Connectors
Product Number 340-521781-1 1364074-521781-1 521781-1 A113884-ND 521781-1
Product Name Electronic Connector Connectors, Interconnects - Terminals - Housings, Boots Housings, Boots Housings, Boots Connectors Miscellaneous
Termination Quick Connect
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