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501951-4000

Molex

501951-4000 by Molex

Molex 501951-4000 is a FFC/FPC connector with 40 contacts, 0.020" pitch, and 50000000 ohm insulation resistance. Ideal for board mounting applications in commercial settings with -25 to 85°C operating temperature range. Features TIN BISMUTH over NICKEL finish for durability and UL flammability rating of 94V-0.

Median Price

$1.416

Lifecycle Status

Suppliers In-Stock

31

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Arrow

USA . 6,000 parts In-Stock

1+ parts

$1.411

100+ parts

$1.091

1k+ parts

$0.886

10k+ parts

$0.874

6,000

$1.411

$1.091

$0.886

$0.874

DigiKey

USA . 8,229 parts In-Stock

1+ parts

$1.420

100+ parts

$1.027

1k+ parts

$0.873

10k+ parts

-

8,229

$1.420

$1.027

$0.873

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Mouser Electronics

USA . 3,219 parts In-Stock

1+ parts

$1.420

100+ parts

$1.030

1k+ parts

$0.874

10k+ parts

$0.794

3,219

$1.420

$1.030

$0.874

$0.794

Distrelec

Netherlands . 20 parts In-Stock

1+ parts

$1.562

100+ parts

$1.048

1k+ parts

$0.972

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-

20

$1.562

$1.048

$0.972

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Newark

USA . 2,045 parts In-Stock

1+ parts

$1.680

100+ parts

$1.280

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$1.160

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2,045

$1.680

$1.280

$1.160

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Element14

Singapore . 2,504 parts In-Stock

1+ parts

$1.737

100+ parts

$1.334

1k+ parts

$1.096

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2,504

$1.737

$1.334

$1.096

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Farnell

UK . 2,504 parts In-Stock

1+ parts

$2.219

100+ parts

$1.843

1k+ parts

$1.557

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2,504

$2.219

$1.843

$1.557

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Chip1Stop

Japan . 4,000 parts In-Stock

1+ parts

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$0.691

4,000

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$0.691

Verical

USA . 3,801 parts In-Stock

1+ parts

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100+ parts

$0.940

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3,801

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$0.940

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Powell Electronics

USA . 2,640 parts In-Stock

1+ parts

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$0.830

10k+ parts

$0.760

2,640

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$0.830

$0.760

Master Electronics

USA . 2,000 parts In-Stock

1+ parts

-

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$0.770

2,000

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$0.770

Interstate Connecting

USA . 1,500 parts In-Stock

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$0.772

1,500

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$0.772

Distributors (In-Stock)

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Freelance Electronics

USA . 11 parts In-Stock

1+ parts

$0.522

100+ parts

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11

$0.522

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TestEquity

USA . 2,000 parts In-Stock

1+ parts

$0.950

100+ parts

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2,000

$0.950

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Nova Conductors

Japan . 150 parts In-Stock

1+ parts

$1.280

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150

$1.280

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Digiode

USA . 4,165 parts In-Stock

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$1.296

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4,165

$1.296

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Maritex

Poland . 235 parts In-Stock

1+ parts

$1.324

100+ parts

$0.633

1k+ parts

$0.598

10k+ parts

$0.526

235

$1.324

$0.633

$0.598

$0.526

Rapid Electronics

USA . 2 parts In-Stock

1+ parts

$1,996.510

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2

$1,996.510

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NAC Semi

USA . 8,000 parts In-Stock

1+ parts

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$1.480

8,000

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$1.480

IBS Electronics

USA . 4,000 parts In-Stock

1+ parts

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$0.982

4,000

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$0.982

Vyrian

USA . 3,193 parts In-Stock

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Component Sense

UK . 2,151 parts In-Stock

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VNN

France . 1,671 parts In-Stock

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Chip Stock

USA . 964 parts In-Stock

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ComSIT Distribution GmbH

Germany . 300 parts In-Stock

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ComSIT Distribution GmbH

Germany . 300 parts In-Stock

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EMSNET

USA . 222 parts In-Stock

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Bristol Electronics

USA . 207 parts In-Stock

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PC Components Company LLC

USA . 150 parts In-Stock

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Atlantic Semiconductor

USA . 57 parts In-Stock

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Sunrise Surplus Inc.

USA . 31 parts In-Stock

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Distributors (Availability)

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Andel Nordic

Denmark . 288 parts In-Stock

1+ parts

$0.142

100+ parts

-

1k+ parts

$0.136

10k+ parts

$0.136

288

$0.142

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$0.136

$0.136

Semicontronic

India . 3,950 parts In-Stock

1+ parts

$0.590

100+ parts

$0.575

1k+ parts

$0.572

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3,950

$0.590

$0.575

$0.572

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Aztec Data Supply Inc.

USA . 102 parts In-Stock

1+ parts

$1.059

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102

$1.059

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Corphita

USA . 2,978 parts In-Stock

1+ parts

$1.228

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2,978

$1.228

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Argo Parts USA

USA . 1,694 parts In-Stock

1+ parts

$1.280

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1,694

$1.280

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Netroflash

USA . 50 parts In-Stock

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$1.280

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50

$1.280

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Perfect Parts

USA . 42,903 parts In-Stock

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Assy Fe

Spain . 10,000 parts In-Stock

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Infinite Electronics LLP (Excess)

. 9,947 parts In-Stock

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Kepictronics

USA . 7,586 parts In-Stock

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7,586

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Abacus Technologies

USA . 6,000 parts In-Stock

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EMSNET (Excess)

USA . 6,000 parts In-Stock

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Continental Prestige Electronics

USA . 4,000 parts In-Stock

1+ parts

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$1.180

10k+ parts

$1.030

4,000

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$1.180

$1.030

GreenTree Electronics

Israel . 4,000 parts In-Stock

1+ parts

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100+ parts

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$1.019

4,000

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$1.019

Authorized Procurement Solutions

USA . 2,000 parts In-Stock

1+ parts

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2,000

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Eastek

USA . 2,000 parts In-Stock

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Legend Electronics Inc. (Excess)

USA . 113 parts In-Stock

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113

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Speed Components Ltd (Excess)

Israel . 113 parts In-Stock

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113

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Overview

Elevate your connectivity with the 501951-4000 by Molex. Crafted with precision by Molex, a trusted industry leader, this Headers & Edge Type Connector offers unparalleled quality and performance. Perfect for a variety of applications, this connector ensures reliable and efficient connections. Experience peace of mind knowing that your connections are secure and stable with the 501951-4000. Upgrade to Molex today and elevate your connectivity game.

Feature Benefit Bullets

Mating Contact Pitch (inch):

0.020 - Close contact pitch allows for high-density connections, making it ideal for applications with limited space.

Body Length:

0.948 inch - Provides a compact overall size while still accommodating multiple contacts, perfect for small electronic devices.

Insulation Resistance:

50000000 ohm - High insulation resistance ensures reliable signal transmission and prevents electrical leakage.

Body Width:

0.146 inch - Narrow body width saves valuable board space and allows for more components to be mounted closely together.

Dielectric Withstanding Voltage (V):

250VAC - Withstands high voltage levels, ensuring safety and preventing damage during operation.

Termination Contact Finish:

TIN BISMUTH OVER NICKEL - Provides durable and corrosion-resistant contact finish for long-lasting performance.

Body Depth:

0.159 inch - Offers a balanced depth for stability and ease of installation on a circuit board.

Insulator Material:

GLASS FILLED LIQUID CRYSTAL POLYMER - The high-quality insulator material ensures excellent heat and chemical resistance, maintaining connection integrity.

Board Mounting Option:

FITTING NAIL - Ease of installation with fitting nail mounting option for secure attachment to the circuit board.

Maximum Operating Temperature °C:

85 - Can operate efficiently in high-temperature environments, suitable for various industrial applications.

PCB Contact Row Spacing (mm):

2.921 - Provides ample spacing between PCB contacts, reducing the risk of short circuits and ensuring stable connections.

Minimum Operating Temperature:

25 °C - Capable of functioning in low-temperature conditions, making it versatile for use in various environments.

No. of PCB Rows:

2 - Allows for multiple connections within the same connector, offering flexibility in design and functionality.

Connector Type:

FFC/FPC CONNECTOR - Accommodates flat flexible cables, providing a reliable and flexible connection solution for electronic devices.

Contact Material:

PHOSPHOR BRONZE - Contact material with excellent conductivity and durability for reliable signal transmission.

UL Flammability Code:

94V-0 - UL-rated flammability code ensures safety and fire resistance, making it suitable for various applications.

Rated Current - Signal:

0.4 A - Adequate current rating for signal transmission, ensuring stable performance in electronic systems.

Insulator Color:

WHITE - Provides a clean and professional appearance, suitable for a wide range of applications.

Reference Standard:

UL - Meets UL standards for quality and safety assurance, ensuring reliable performance in demanding environments.

Total No. of Contacts:

40 - Offers a high number of contacts for multiple connections, suitable for complex electronic systems.

Durability:

20 Cycles - Withstands multiple mating cycles, ensuring long-term reliability and connectivity.

Mounting Type:

BOARD - Securely mounts to a circuit board for stable connections, suitable for various electronic applications.

Terminal Pitch (mm):

0.5 - Terminal pitch spacing ensures compatibility with standard PCB layouts, making it easy to integrate into existing designs.

PCB Contact Pattern:

STAGGERED - Staggered contact pattern provides better signal integrity and reduces crosstalk, ensuring reliable data transmission.

Termination Type:

SURFACE MOUNT - Surface mount termination simplifies installation and offers a secure connection on the PCB.

Contact Gender:

FEMALE - Female contacts offer a secure and stable interface with male counterparts, ensuring reliable connectivity.

Contact Resistance:

40 mohm - Low contact resistance ensures efficient signal transmission and minimal power loss.

Mounting Style:

STRAIGHT - Straight mounting style allows for easy integration into PCB layouts, providing a clean and organized connection setup.

Mounting Option-1:

LOCKING - Locking mounting option ensures secure attachment and prevents accidental disconnection in high-vibration environments.

Contact Pattern:

RECTANGULAR - Rectangular contact pattern allows for a compact design while maintaining reliable connections.

Reliability:

COMMERCIAL - Built for commercial applications, offering dependable performance and durability in various operating conditions.

Technical Specifications

Headers & Edge Type Connectors 501951-4000 attributes and parameters. Explore more Headers & Edge Type Connectors devices from Molex

Specs

Board Mounting Option:

FITTING NAIL

Body Width:

.146 inch

Body Depth:

.159 inch

Body Length:

.948 inch

Connector Type:

Mating Contact Finish:

NOT SPECIFIED

Termination Contact Finish:

TIN BISMUTH OVER NICKEL

Contact Gender:

Contact Material:

PHOSPHOR BRONZE

Contact Pattern:

RECTANGULAR

Contact Resistance:

40 mohm

Contact Style:

BELLOWED TYPE

DIN Conformance:

NO

Dielectric Withstanding Voltage (V):

Durability:

20 Cycles

Filter Feature:

NO

IEC Conformity:

NO

Insulation Resistance:

50000000 ohm

Insulator Color:

WHITE

Insulator Material:

GLASS FILLED LIQUID CRYSTAL POLYMER

MIL Conformity:

NO

Mating Contact Pitch (inch):

0.020

Mixed Contacts:

NO

Mounting Option-1:

LOCKING

Mounting Style:

STRAIGHT

Mounting Type:

BOARD

No. of PCB Rows:

2

No. of Rows Loaded:

1

Maximum Operating Temperature (Cel):

85

Minimum Operating Temperature:

-25 Cel

Option:

PCB Contact Pattern:

STAGGERED

PCB Contact Row Spacing (mm):

2.921

Rated Current - Signal:

.4 A

Reference Standard:

UL

Reliability:

Sub-Category:

Headers and Edge Type Connectors

Terminal Pitch (mm):

.5

Termination Type:

SURFACE MOUNT

Total No. of Contacts:

40

UL Flammability Code:

94V-0

Trade Compliance

501951-4000 Connectors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

PCN

Manufacturer Highlights

Molex

Molex LLC is a manufacturer of electronic, electrical, and fiber optic connectivity systems. Molex offers over 100,000 products across a variety of industries, including data communications, medical, industrial, automotive and consumer electronics. They are notable for pioneering the Molex connector, which has seen universal adoption in personal computing. The company is considered the second largest electronic connector company in the world. Molex was established in 1938 by Frederick Krehbiel. The company began by making flowerpots out of an industrial byproduct plastic called Molex. Krehbiel developed this material by combining asbestos tailings, coal tar pitch, and limestone. Aside from flower pots, Molex also sold salt shakers before it expanded into electrical connectors and sensors.Later they made connectors for General Electric and other appliance manufacturers out of the same plastic. Molex acquired Woodhead Industries in 2006; the largest acquisition in the former's history at the time.

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