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NJC JIS Standards Straight Plug (Screw) (NJC-20-3-PF)

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On Sale Till 31/03/2025
Volume Discount

MISUMI

NJC connectors including JIS standard and PSE market-acquired products

UL
CSA
JIS
PSE Law
For Power Supply
For Signal
Solder

● Connects to panel mount receptacles and relay adapters.
● Since the body is die-cast, it is lightweight and also very strong.
● Some available items have acquired the NJC JIS Standards Straight Plug (Screw):Related Image

NJC JIS Standards Straight Plug (Screw):Related Image

mark (Electrical Appliance and Material Safety Act compliant) and can be used safely as a power supply.
● As some JIS C 5432 conforming items are available, it is possible to pair with other companies' products that conform to the same standard.
● UL / CSA acquired items can be designated as optional extras. (20th-day shipment)
Certification No. UL: E117868

· Be sure to combine male (pin) and female (socket) mating counterparts of the same shell size and core number.
· Does not support key position changes.

Part Number

Configured Part Number is shown.

NJC-20-3-PF

Product specification
Part Numbers
Standard Specifications

Specifications

Model	Shell Size	Number of Cores	Shape Symbol	Contact Shape	PSE Mark	JIS	Weight (g)
Model	Shell Size	Number of Cores	Shape Symbol	Contact Shape	PSE Mark	C5432	Weight (g)
NJC	16	3	PF	Female (Socket)	○	○	39
		5	PF	Female (Socket)		○	38
		3	PM	Male (Pin)	○	○	37
		5	PM	Male (Pin)		○	37
	20	2	PF	Female (Socket)	○		54
		3			○		56
		4			○		55
		5			○		56
		7				○	56
		12					54
		2	PM	Male (Pin)	○		52
		3			○		53
		4			○		51
		5			○		52
		7				○	53
		12					52
	24	2	PF	Female (Socket)	○		77
		3			○		79
		4			○		78
		5			○		79
		10				○	79
		14					76
		16				○	76
		2	PM	Male (Pin)	○		76
		3			○		80
		4			○		73
		5			○		74
		10				○	74
		14					72
		16				○	72
	28	16	PF	Female (Socket)		○	58
		24	PF	Female (Socket)		○	58
		16	PM	Male (Pin)		○	50
		24	PM	Male (Pin)		○	47

○ mark is JIS or PSE mark compliant item

More Information

(Unit: mm)

Shell Size	ØA	ØB	C	D	ØE	F
16	22	12.7	11.2	M18 x 1	7 ~ 8.5	46
20	26	16.3	11.2	M22 x 1	10 ~ 12.5	50
24	30	20.5	11.2	M26 x 1	11.5 ~ 14	54
28	34	24.7	11.2	M30 x 1	13.6 ~ 16.5	57.2

: 30; 45; 60

Part Number
NJC-20-3-PF

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Applicable pin/contact	Number Of Pins	Allowable Current (A)	Allowable Voltage (V)	Representative Standard	Other standards (JIS)	Shell size
	SGD 13.01	1 Piece(s)	Available	4 Day(s) or more	Female (socket)	3	15	250	PSE	-	20

JIS Standard Medium-sized Connector (NJC)

Features

● It has acquired the PSE mark (Electrical Appliance and Material Safety Act Compliant) and can be used widely from power supply to signal transmission.
● It is a JIS C 5432 compliant product and can be coupled with other companies' products that conform to the same standard.
● There are 3 types of connectors: Straight, relay, and panel mount connectors.
● Because all these connectors are connected by soldering, no dedicated tool is required for wiring.

JIS C 5432 Compatible Series Names of Other Manufacturers

Manufacturer Name	Series Name
Nanaboshi Electric Mfg. Co, Ltd.	NJC Series
Japan Aviation Electronics Industry, Ltd.	SRCN Series
Hirose Electric Co., Ltd.	JR Series
TAJIMI ELECTRONICS CO., LTD.	TRC01 Series
Sanwa Denki Kogyo Co., Ltd.	SNS16 Series (3-core, 5-core)
ITT Cannon Corporation	JC Series
DDK Ltd.	JM Series
Misumi Inc.	MJC Series

Note: Before use, make sure to compare sizes using the dimensional drawings.
Notation standards of shell sizes are different depending on the manufacturer.

Common Specifications

Material / Finish

Item	Materials	Finish
Shell / Dustproof Cap	Zinc Alloy	Satin chrome-plated (NJC) Chrome-plated (MJC)
Shell / Dustproof Cap	Aluminum Alloy (Shell Size 28)	Satin chrome-plated (NJC) Chrome-plated (MJC)
Insulator	Synthetic Resin	ー
Contact	Copper Alloy	Silver-plated (NJC) Gold-plated (MJC)

Characteristics

Item

Characteristics

Rated Current

See table below

Rated Voltage

See table below

Withstand Voltage

No abnormality such as short circuiting occurs when regulated voltage is applied for 1 minute between immediately adjacent conductors.

Insulation Resistance

1,000 MΩ or higher when measured between immediately adjacent conductors with regulated voltage.

Contact Resistance

Conductor resistance is 5 mΩ or less when a pair of contacts are connected at up to the regulation length.

Vibration Resistance

No functional defect was found during the JIS C 5025 vibration test. Contact resistance is 5 mΩ or less.

Impact Resistance

No functional defect was found during the JIS C 5026 shock test. Contact resistance is 5 mΩ or less.

Repeated Operation

No functional defect was found when a removal and insertion sequence was tested 500 times. Contact resistance is 5 mΩ or less.

Humidity Resistance

No functional defect was found during the JIS C 5023 humidity test. Insulation resistance is 100 MΩ or higher.

Temperature Cycle

No functional defect was found during the JIS C 5030 temperature cycle test.

Corrosion Resistance

No functional defect was found during the JIS C 5028 salt water spray test. Contact resistance is 5 mΩ or less.

Allowable Operating Temperature Range

Shell Size	Number of Cores	Operating Temperature Range
16	3.5	-25°C ~ +85°C
20	2, 3, 4, 5	-40°C ~ +100°C
20	7,12	-25°C ~ +85°C
24	2, 3, 4, 5	-40°C ~ +100°C
24	10, 14, 16	-25°C ~ +85°C
28	16,24	-25°C ~ +85°C

Product No.	Shell Size	Number of Cores	Rated Current (A or less)	Rated Voltage (V or less)	Withstand Voltage AC (V)	Insulation Resistance (MΩ or higher)	Contact Resistance (mΩ or less)	Compatible Wire Size		Applicable Electric Wire Finished Outer Diameter (mm)
Product No.	Shell Size	Number of Cores	Rated Current (A or less)	Rated Voltage (V or less)	Withstand Voltage AC (V)	Insulation Resistance (MΩ or higher)	Contact Resistance (mΩ or less)	AWG	Conductor Section Area mm²	Applicable Electric Wire Finished Outer Diameter (mm)
NJC	16	3	10	125	1,500	2,000	3	16	1.25	7.0 ~ 8.5
NJC	16	5	5	125	1,000	1,000	5	20	0.5	7.0 ~ 8.5
NJC/MJC	20	2,3	15	250	1,500	2,000	3	14	2	10.0 ~ 12.5
		4,5	10		1,500			16	1.25
		7	10		1,000			16	1.25
		12	5		1,000	1,000	5	20	0.5
	24	2,3	20	250	1,500	5,000	3	12	3.5	11.5 ~ 14.0
		4,5	15		1,500	5,000		14	2
		10	10		1,000	2,000		16	1.25
		14, 16	5		1,000	1,000	5	20	0.5
	28	16	10	250	1,000	2,000	3	16	1.25	13.6 ~ 16.5
	28	24	5	250	1,000	1,000	5	20	0.5	13.6 ~ 16.5

Contact Arrangement Diagram

Connection Work Method

Basic Information

Connector Shape	Circular Type	Connector series initials	M・N・O	M·N·O	NJC
Application	Cable to cable	Wire connection method	Solder	Connection direction	Straight
Protection function (environmentally resistant)	None	Removal method	Others

Please check the type/dimensions/specifications of the part NJC-20-3-PF in the NJC JIS Standards Straight Plug (Screw) series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Other standards (JIS)
- ○
Clear
Applicable pin/contact
- Male (plug)
- Female (socket)
Clear
Number Of Pins
2

3

4

5

7

10

12

14

16

24
Clear
Allowable Current(A)
5

10

15

20
Clear
Allowable Voltage(V)
125

250
Clear
Representative Standard
- PSE
Clear
Shell size
16

20

24

28
Clear
CAD
- 2D
Clear

Days to Ship

All

Same day

4 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Similar Part Numbers

Part Number
NJC-16-5-PM
NJC-20-12-PF
NJC-20-12-PM
NJC-20-3-PM
NJC-20-4-PF
NJC-20-4-PM

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Applicable pin/contact	Number Of Pins	Allowable Current (A)	Allowable Voltage (V)	Representative Standard	Other standards (JIS)	Shell size
SGD 12.86	1 Piece(s)	Available	4 Day(s) or more	Male (plug)	5	5	125	-	○	16
SGD 20.60	1 Piece(s)	Available	4 Day(s) or more	Female (socket)	12	5	250	-	-	20
SGD 19.39	1 Piece(s)	Available	Same day	Male (plug)	12	5	250	-	-	20
SGD 12.24	1 Piece(s)	Available	4 Day(s) or more	Male (plug)	3	15	250	PSE	-	20
SGD 13.92	1 Piece(s)	Available	4 Day(s) or more	Female (socket)	4	10	250	PSE	-	20
SGD 13.36	1 Piece(s)	Available	4 Day(s) or more	Male (plug)	4	10	250	PSE	-	20

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Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations): Tel：(65) 6733 7211 / FAX：(65) 6733 0211; 9:00am - 6:00pm (Monday - Friday); Technical Inquiry

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NJC JIS Standards Straight Plug (Screw) (NJC-20-3-PF)

Specifications

More Information

Basic Information

Configure

Specification/Dimensions

Other standards (JIS)

Applicable pin/contact

Number Of Pins

Allowable Current(A)

Allowable Voltage(V)

Representative Standard

Shell size

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

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