Loading...

51021-0400

Molex

51021-0400 by Molex

The Molex 51021-0400 is a board connector with 4 contacts, 0.049" pitch, and 353VAC voltage rating. Ideal for commercial applications, it features a polarization key, POLYBUTYLENE TEREPHTHALATE insulator, and operates b/w -40 to 105°C.

Median Price

$0.170

Lifecycle Status

Suppliers In-Stock

62

In-Stock Inventory

1k+

Distributors (Authorized)

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

Misumi USA

USA . 9,213 parts In-Stock

1+ parts

$0.100

100+ parts

$0.100

1k+ parts

-

10k+ parts

-

9,213

$0.100

$0.100

-

-

Avnet

USA . 286,455 parts In-Stock

1+ parts

$0.110

100+ parts

-

1k+ parts

-

10k+ parts

-

286,455

$0.110

-

-

-

Heilind Electronics

USA . 62,109 parts In-Stock

1+ parts

$0.116

100+ parts

-

1k+ parts

-

10k+ parts

$0.093

62,109

$0.116

-

-

$0.093

Interstate Connecting

USA . 21,883 parts In-Stock

1+ parts

$0.125

100+ parts

-

1k+ parts

-

10k+ parts

$0.102

21,883

$0.125

-

-

$0.102

Verical

USA . 250,067 parts In-Stock

1+ parts

$0.126

100+ parts

-

1k+ parts

-

10k+ parts

$0.121

250,067

$0.126

-

-

$0.121

PSC Electronics

USA . 641 parts In-Stock

1+ parts

$0.127

100+ parts

-

1k+ parts

-

10k+ parts

-

641

$0.127

-

-

-

Compona

Switzerland . 152,499 parts In-Stock

1+ parts

$0.170

100+ parts

$0.090

1k+ parts

$0.080

10k+ parts

$0.070

152,499

$0.170

$0.090

$0.080

$0.070

Arrow

USA . 168,934 parts In-Stock

1+ parts

$0.178

100+ parts

$0.099

1k+ parts

$0.077

10k+ parts

-

168,934

$0.178

$0.099

$0.077

-

Distrelec

Netherlands . 308 parts In-Stock

1+ parts

$0.199

100+ parts

-

1k+ parts

$0.143

10k+ parts

$0.121

308

$0.199

-

$0.143

$0.121

Mouser Electronics

USA . 81,017 parts In-Stock

1+ parts

$0.250

100+ parts

$0.182

1k+ parts

$0.147

10k+ parts

$0.140

81,017

$0.250

$0.182

$0.147

$0.140

DigiKey

USA . 60,032 parts In-Stock

1+ parts

$0.250

100+ parts

$0.142

1k+ parts

$0.111

10k+ parts

-

60,032

$0.250

$0.142

$0.111

-

RS Americas

USA . 1,682 parts In-Stock

1+ parts

$0.253

100+ parts

$0.192

1k+ parts

$0.154

10k+ parts

-

1,682

$0.253

$0.192

$0.154

-

RS (Exports)

UK . 658 parts In-Stock

1+ parts

$0.260

100+ parts

$0.217

1k+ parts

$0.184

10k+ parts

-

658

$0.260

$0.217

$0.184

-

Newark

USA . 78,462 parts In-Stock

1+ parts

$0.284

100+ parts

$0.206

1k+ parts

$0.179

10k+ parts

-

78,462

$0.284

$0.206

$0.179

-

Farnell

UK . 603,005 parts In-Stock

1+ parts

$0.298

100+ parts

$0.154

1k+ parts

$0.119

10k+ parts

-

603,005

$0.298

$0.154

$0.119

-

Master Electronics

USA . 480,980 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.224

10k+ parts

$0.183

480,980

-

-

$0.224

$0.183

Element14

Singapore . 426,207 parts In-Stock

1+ parts

-

100+ parts

$0.180

1k+ parts

$0.164

10k+ parts

$0.151

426,207

-

$0.180

$0.164

$0.151

Powell Electronics

USA . 417,621 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.127

10k+ parts

$0.121

417,621

-

-

$0.127

$0.121

PEI Genesis

USA . 299,647 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

299,647

-

-

-

-

Sager

USA . 151,783 parts In-Stock

1+ parts

-

100+ parts

$0.095

1k+ parts

$0.075

10k+ parts

-

151,783

-

$0.095

$0.075

-

Chip1Stop

Japan . 147,083 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

147,083

-

-

-

-

TTI Europe

Germany . 78,295 parts In-Stock

1+ parts

-

100+ parts

$0.085

1k+ parts

$0.068

10k+ parts

-

78,295

-

$0.085

$0.068

-

NEP Electronics

USA . 60,336 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

60,336

-

-

-

-

TTI

USA . 8,155 parts In-Stock

1+ parts

-

100+ parts

$0.092

1k+ parts

$0.090

10k+ parts

$0.088

8,155

-

$0.092

$0.090

$0.088

Distributors (In-Stock)

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

Digiode

USA . 4,342 parts In-Stock

1+ parts

$0.058

100+ parts

-

1k+ parts

-

10k+ parts

-

4,342

$0.058

-

-

-

DF Sales Co.

USA . 215 parts In-Stock

1+ parts

$0.061

100+ parts

-

1k+ parts

-

10k+ parts

-

215

$0.061

-

-

-

DF Sales Co.

USA . 215 parts In-Stock

1+ parts

$0.061

100+ parts

-

1k+ parts

-

10k+ parts

-

215

$0.061

-

-

-

Nova Conductors

Japan . 240 parts In-Stock

1+ parts

$0.138

100+ parts

-

1k+ parts

-

10k+ parts

-

240

$0.138

-

-

-

TME

Poland . 29,196 parts In-Stock

1+ parts

$0.170

100+ parts

$0.122

1k+ parts

$0.102

10k+ parts

$0.092

29,196

$0.170

$0.122

$0.102

$0.092

Maritex

Poland . 9,500 parts In-Stock

1+ parts

$0.171

100+ parts

$0.105

1k+ parts

$0.074

10k+ parts

$0.061

9,500

$0.171

$0.105

$0.074

$0.061

Component Electronics Inc.

Canada . 400 parts In-Stock

1+ parts

$0.230

100+ parts

$0.170

1k+ parts

$0.150

10k+ parts

-

400

$0.230

$0.170

$0.150

-

IBS Electronics

USA . 284,610 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.142

10k+ parts

$0.135

284,610

-

-

$0.142

$0.135

Vyrian

USA . 158,778 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

158,778

-

-

-

-

Rutronik

Germany . 110,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.061

110,000

-

-

-

$0.061

Bisco

USA . 49,974 parts In-Stock

1+ parts

-

100+ parts

$0.613

1k+ parts

$0.100

10k+ parts

-

49,974

-

$0.613

$0.100

-

Chip Stock

USA . 41,965 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

41,965

-

-

-

-

ComSIT Distribution GmbH

Germany . 36,435 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

36,435

-

-

-

-

Sensible Micro Corp

USA . 27,930 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

27,930

-

-

-

-

NAC Semi

USA . 21,200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.139

21,200

-

-

-

$0.139

Cyclops Electronics Ltd

UK . 10,451 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

10,451

-

-

-

-

Jameco Electronics

USA . 6,231 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

6,231

-

-

-

-

Bristol Electronics

USA . 5,521 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,521

-

-

-

-

Mil-Aero Solutions, Inc.

USA . 4,671 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

4,671

-

-

-

-

VNN

France . 3,476 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,476

-

-

-

-

EMSNET

USA . 2,408 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,408

-

-

-

-

Electro Sonic

Canada . 2,175 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.120

10k+ parts

$0.102

2,175

-

-

$0.120

$0.102

Inventory MP

USA . 1,970 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,970

-

-

-

-

LIBRA Elektronik GmbH

Germany . 1,500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,500

-

-

-

-

Resion

USA . 948 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

948

-

-

-

-

MISTER SPROCKETS

USA . 750 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

750

-

-

-

-

Elcom Components

USA . 710 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

710

-

-

-

-

Prism Electronics

USA . 484 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

484

-

-

-

-

First Choice Components Inc.

USA . 393 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

393

-

-

-

-

Semi Source

USA . 128 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

128

-

-

-

-

Brevan Electronics

USA . 95 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

95

-

-

-

-

Cogito LLC

Ukraine . 48 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

48

-

-

-

-

ICP Electronique

France . 30 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

30

-

-

-

-

Component Sense

UK . 28 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

28

-

-

-

-

QIE Inc.

USA . 20 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

20

-

-

-

-

Century Electronics Ltd.

USA . 20 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

20

-

-

-

-

Martec Srl

Italy . 14 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

14

-

-

-

-

Ashlea Components Ltd

UK . 7 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

7

-

-

-

-

Distributors (Availability)

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

Semicontronic

India . 296,870 parts In-Stock

1+ parts

$0.052

100+ parts

$0.051

1k+ parts

$0.050

10k+ parts

-

296,870

$0.052

$0.051

$0.050

-

Corphita

USA . 2,918 parts In-Stock

1+ parts

$0.055

100+ parts

-

1k+ parts

-

10k+ parts

-

2,918

$0.055

-

-

-

Modulus Dynamics

Lithuania . 3,338 parts In-Stock

1+ parts

$0.126

100+ parts

$0.126

1k+ parts

$0.126

10k+ parts

-

3,338

$0.126

$0.126

$0.126

-

Advanced Electronics

New Zealand . 200 parts In-Stock

1+ parts

$0.130

100+ parts

$0.123

1k+ parts

$0.123

10k+ parts

-

200

$0.130

$0.123

$0.123

-

Argo Parts USA

USA . 1,593 parts In-Stock

1+ parts

$0.130

100+ parts

-

1k+ parts

-

10k+ parts

$0.126

1,593

$0.130

-

-

$0.126

CoreStaff

Japan . 137,003 parts In-Stock

1+ parts

$0.264

100+ parts

$0.092

1k+ parts

$0.059

10k+ parts

-

137,003

$0.264

$0.092

$0.059

-

Continental Prestige Electronics

USA . 93,516 parts In-Stock

1+ parts

$0.279

100+ parts

$0.149

1k+ parts

$0.117

10k+ parts

-

93,516

$0.279

$0.149

$0.117

-

Aztec Data Supply Inc.

USA . 1,728 parts In-Stock

1+ parts

$5.660

100+ parts

-

1k+ parts

-

10k+ parts

-

1,728

$5.660

-

-

-

Andel Nordic

Denmark . 2,738 parts In-Stock

1+ parts

$7.881

100+ parts

-

1k+ parts

$7.566

10k+ parts

$7.566

2,738

$7.881

-

$7.566

$7.566

EMSNET (Excess)

USA . 2,474,385 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,474,385

-

-

-

-

GreenTree Electronics

Israel . 900,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

900,000

-

-

-

-

Assy Fe

Spain . 462,757 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

462,757

-

-

-

-

Kepictronics

USA . 60,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

60,000

-

-

-

-

Abacus Technologies

USA . 24,150 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

24,150

-

-

-

-

Infinite Electronics LLP (Excess)

. 10,356 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

10,356

-

-

-

-

Lucentia Tech

USA . 7,364 parts In-Stock

1+ parts

-

100+ parts

$0.123

1k+ parts

$0.121

10k+ parts

$0.121

7,364

-

$0.123

$0.121

$0.121

S.R.D Solutions

India . 5,538 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,538

-

-

-

-

ErreBi Group

Italy . 4,815 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

4,815

-

-

-

-

Robosynatics

Brazil . 3,682 parts In-Stock

1+ parts

-

100+ parts

$0.123

1k+ parts

$0.121

10k+ parts

$0.121

3,682

-

$0.123

$0.121

$0.121

Netroflash

USA . 2,000 parts In-Stock

1+ parts

-

100+ parts

$0.136

1k+ parts

$0.132

10k+ parts

$0.129

2,000

-

$0.136

$0.132

$0.129

Futuretech Components

Singapore . 1,200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,200

-

-

-

-

Computer Components Inc. - USA

USA . 120 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

120

-

-

-

-

Overview

Experience seamless connectivity with the 51021-0400 by Molex. As a trusted manufacturer in the industry, Molex delivers high-quality Headers & Edge Type Connectors that ensure reliable performance and durability. Perfect for various applications, this product offers easy installation and a secure connection, making it ideal for your projects. Upgrade your systems with the 51021-0400 and enjoy the value and benefits of top-notch connectivity solutions today.

Feature Benefit Bullets

Mating Contact Pitch: 0.049 inch

The close proximity of contacts allows for high density and compact connectors.

Insulation Resistance: 100000000 ohm

High insulation resistance ensures minimal signal interference and reliable performance.

Dielectric Withstanding Voltage (V): 353VAC

The connector can withstand high voltage levels without breakdown, ensuring safety and reliability.

Maximum Operating Temperature °C: 105

The connector can operate efficiently at high temperatures, making it suitable for a wide range of applications.

Minimum Wire Size: 32 AWG

Allows for compatibility with a variety of wire sizes, offering flexibility in connectivity options.

Technical Specifications

Headers & Edge Type Connectors 51021-0400 attributes and parameters. Explore more Headers & Edge Type Connectors devices from Molex

Specs

Additional Features:

COMPATIBLE CONTACTS: 50079-8000; 50058-8000; 50079-8100; 50058-8100

Body Width:

.126 inch

Body Depth:

.156 inch

Body Length:

.266 inch

Body or Shell Style:

RECEPTACLE

Connector Type:

Mating Contact Finish:

NOT SPECIFIED

Termination Contact Finish:

NOT APPLICABLE

Contact Gender:

Contact Material:

NOT SPECIFIED

Contact Pattern:

RECTANGULAR

Contact Resistance:

20 mohm

Contact Style:

SQ PIN-SKT

DIN Conformance:

NO

Dielectric Withstanding Voltage (V):

Durability:

30 Cycles

Filter Feature:

NO

IEC Conformity:

NO

Insulation Resistance:

100000000 ohm

Insulator Color:

NATURAL

Insulator Material:

POLYBUTYLENE TEREPHTHALATE

MIL Conformity:

NO

Mating Contact Pitch (inch):

0.049

Mating Info.:

MULTIPLE MATING PARTS AVAILABLE

Mixed Contacts:

NO

Mounting Option-1:

LOCKING

Mounting Type:

CABLE

No. of Connectors:

ONE

No. of Rows Loaded:

1

Maximum Operating Temperature (Cel):

105

Minimum Operating Temperature:

-40 Cel

Option:

Polarization Key:

POLARIZED HOUSING

Rated Current - Signal:

1 A

Reference Standard:

UL

Reliability:

Sub-Category:

Headers and Edge Type Connectors

Termination Type:

CRIMP

Total No. of Contacts:

4

UL Flammability Code:

94V-0

Maximum Wire Size:

26 AWG

Minimum Wire Size:

32 AWG

Trade Compliance

51021-0400 Connectors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8536.69.40.40

SB

8536.69.40.40

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.

previous next
The material and information contained is this video is for educational and general information purposes. All rights remain with respective rightsholders. Fair Use Statement

Category top products 20

Authentic purchasing experiences

Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.

Similar products 20