Connectors > Headers and Wire Housings

51021-0400 - Molex

Headers & Wire Housings RECEPTACLE 4 POS

Technical Details

Approvals	UL, CSA
Color	Natural
Contact Gender	Female
Contact Material	Bronze, Tin
Contact Plating	Tin
Contact Resistance	20mR
Current Rating	1A
Depth	3.95mm
Flammability Rating	UL94 V-0
Gender	Receptacle
Glow Wire Compliant	Non-compliant
Housing Material	Polyester
Insulation Resistance	100MR
Lead Free	Lead Free
Length	6.75mm
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Mount	Cable
Number of Contacts	4
Number of Positions	4
Number of Rows	1
Orientation	Straight
Package Quantity	2000
Packaging	Bulk
Pitch	1.25mm
Reach SVHC Compliant	Unknown
RoHS Compliant	Yes
Series	PicoBlade
Termination	Crimp
Voltage Rating (AC)	125V
Voltage Rating (DC)	125V
Width	3.2mm
Working Voltage	125V

Compliance

RoHS : Compliant

Images

Molex 51021-0400 | Mouser

Mouser

Molex 51021-0400 | Rs

Rs

Molex 51021-0400 | Distrelec

Distrelec

Molex 51021-0400 | Component Sense

Component Sense

Datasheets

Mouser

51021-0400 datasheet (pdf, 34.2 KB)

Onlinecomponents.com

51021-0400 datasheet (pdf, 81.2 KB)

Element14

51021-0400 datasheet (pdf, 34.8 KB)

Distrelec

51021-0400 datasheet (pdf, 162.9 KB)

Lifecycle Status Indicator

Volume Production

Loading indicators

Symbol

51021-0400 Symbol - Molex

Footprint

51021-0400 Footprint - Molex

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Molex	50058-8000	Volume Production
Molex	50079-8000	Volume Production
Molex	51021-0400	Volume Production
Harwin	M40-1100400	Volume Production
Amphenol ICC / FCI	10114830-10115LF	Volume Production
Molex	53047-0210	Volume Production
Molex	53398-1171	Volume Production
Molex	53261-1171	Volume Production
Molex	53398-1571	Not Recommended for New Design
Molex	53047-1310	Not Recommended for New Design

See more alternatives See less alternatives

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Authorized Distributors

Distributor

SKU

History

Stock

USD

1

10

50

100

1000

10000

Buy

Arrow Electronics

US: 0

$

Mouser

US: 167,355

$

0.19

0.154

0.134

0.126

0.097

0.091

Avnet

US: 186,187

$

0.202

0.142

0.129

0.123

0.123

0.123

Sager Electronics

US: 92,135

$

0.115

0.095

0.095

0.075

0.075

RS (Formerly Allied Electronics)

US: 1,758

$

0.192

0.192

0.192

0.163

0.138

0.129

Compona

CH: 145,320

$

0.1025

0.0911

0.0911

0.0911

0.0911

0.0797

Heilind Electronics

US: 119,740

$

0.1155

0.1155

0.1155

0.1155

0.1155

0.0927

Interstate Connecting Components

US: 19,956

$

0.1155

0.1155

0.1155

0.1155

0.1155

0.0927

Verical

US: 7,174

$

0.133

0.133

0.133

0.133

TME

14: 178,338

$

0.186

0.13

0.13

0.112

0.094

0.09

Newark

US: 186,127

$

0.074

0.074

0.074

0.074

0.074

0.074

Newark

US: 25,690

$

0.27

0.174

0.152

0.142

0.139

0.139

TTI

US: 158,340

$

0.096

0.096

0.096

Digikey

US: 87,908

$

0.19

0.161

0.1436

0.1367

0.122

0.1053

Bisco

US: 52,014

$

Chip One Stop

JP: 136,171

$

0.223

0.223

0.177

0.177

0.177

TTI Europe

11: 398,975

$

0.1159

0.0752

0.074

TTI Asia

12: 138,000

$

0.089

Conrad

DE: In stock

$

0.3205

0.3205

0.3205

0.3205

0.3205

0.3205

Element14

SG: 690,078

$

0.2148

0.1419

0.1419

0.1313

0.1207

0.1017

Farnell

GB: 491,156

$

0.2395

0.1932

0.1647

0.1456

0.1068

0.1068

Farnell

GB: 208,597

$

0.1032

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Win Source

CN: 1,000

$

0.0549

0.0367

CoreStaff

JP: 136,171

$

0.117

0.117

0.117

0.103

0.049

0.044

FlyWing Technology

HK: 144,603

$

0.22

0.1742

0.1742

0.1251

0.0925

0.0925

Lucentia Tech

US: 158,778

$

0.0519

0.0493

0.0493

0.0467

1.08

1.08

IBS Electronics

US: 420,192

$

0.11

0.0938

Fmall Co. Limited

HK: 17,680

$

0.186

0.186

0.186

0.174

0.164

0.15

Aztech

IT: 1,728

$

5.6605

5.6605

5.6605

5.6605

5.6605

5.6605

Onlinecomponents.com

US: 324,830

$

0.113

0.096

Worldway Electronics

HK: 15,824

$

0.0067

0.0067

0.0065

0.0061

0.0061

LCSC

CN: 160

$

0.0279

0.0279

0.0201

0.017

JRH Electronics

US: 136,990

$

0.1122

0.1122

0.1122

0.1122

0.1122

0.1122

Bettlink

HK: 145,428

$

0.1368

0.1244

0.1244

0.1141

0.0987

0.0987

CXDA Electronics

HK: 44,581

$

0.12

0.12

0.11

0.10

0.10

Chipsmall Limited

CN: 31,329

$

0.4622

0.3082

0.3082

0.1849

0.1541

0.1541

Jameco

US: 6,131

$

0.08

0.08

0.07

0.06

0.06

J3

US: 40

$

0.126

0.126

0.126

0.126

0.126

0.126

Robosynatics

US: 3,682

$

0.126

0.126

0.1235

0.121

0.121

Master Electronics

US: 1,932

$

0.113

0.096

Semicontronic

US: 225

$

0.1393

0.1393

0.1393

0.1393

0.1393

0.1393

NAC Semi

US: 354,000

$

0.094

Eastek

TW: 340,192

$

0.0875

0.0875

Eastek

TW: 59,191

$

Origin Data Global Limited

CN: 21,525

$

0.008

Quest

US: 11,288

$

0.18

0.18

0.15

0.12

0.096

0.072

PSC Electronics

US: 480

$

0.1267

0.1267

0.076

0.076

0.076

0.076

Component Sense

GB: 28

$

0.893

0.893

0.893

0.893

Classic Components

US: 28

$

VNN Services

EU: 237

$

Cytech Systems

CN: 7,861

$

ErreBi Group

IT: 1,790

$

Abacus Technologies

US: 63

$

Sourcengine

US: 266,281

$

Sourceability

US: 95,686

$

Brevan Electronics

US: 95

$

PEIGenesis

MOLEX 51021-0400

US: 0

$

Rapid Electronics

GB: 2,824

$

0.1769

0.1769

0.1769

0.1769

0.1769

0.1769

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