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NJC Dust-proof Cap
- Volume Discount
[Features]A dust-proof cap manufactured by Nanaboshi Electric Mfg. Prevents dust and contaminant from entering the mating part when not connected. Prevents accidental contact with current-carrying parts when not connected. Two types are available: one for straight plugs and one for both inline adapters and panel-mount receptacles. [Applications]Ideal for preventing contaminant and protecting connection parts.
● Prevents intrusion of dust and foreign matter to the fitting part when connectors are not connected.
● It prevents accidents caused by touching live parts when not connected.
● Straight plug model and relay adapter / panel mount receptacle dual use model are available.
· This cap is not waterproof. Substitute the waterproof model NJW series along with the connector if necessary.
Part Number
Configured Part Number is shown.
Specifications
| Model | Shell Size | Shape Symbol | Weight (g) |
| NJC | 16 | PCA Straight | 17 |
| 20 | 19 | ||
| 24 | 21 | ||
| 28 | 12 | ||
| 16 | RCA Relay Panel Mounting | 10 | |
| 20 | 11 | ||
| 24 | 13 | ||
| 28 | 9 |
More Information
| Part Number |
|---|
| NJC-16-PCA |
| NJC-16-RCA |
| NJC-20-PCA |
| NJC-20-RCA |
| NJC-24-PCA |
| NJC-24-RCA |
| NJC-28-PCA |
| NJC-28-RCA |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Conforming shell size (Shell size) | Type |
|---|---|---|---|---|---|---|
SGD 11.04 | 1 Piece(s) | 4 Day(s) or more | 16 | For Straight | ||
SGD 6.27 | 1 Piece(s) | 4 Day(s) or more | 16 | For Panel Mounting | ||
SGD 11.98 | 1 Piece(s) | Available | 4 Day(s) or more | 20 | For Straight | |
SGD 7.06 | 1 Piece(s) | 3 Day(s) or more | 20 | For Panel Mounting | ||
SGD 12.93 | 1 Piece(s) | Available | 4 Day(s) or more | 24 | For Straight | |
SGD 10.11 | 1 Piece(s) | 4 Day(s) or more | 24 | For Panel Mounting | ||
SGD 15.12 | 1 Piece(s) | 4 Day(s) or more | 28 | For Straight | ||
SGD 11.76 | 1 Piece(s) | 4 Day(s) or more | 28 | For Panel Mounting |
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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 |
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) |
| Aluminum Alloy (Shell Size 28) | ||
| 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 |
|
| 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) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| AWG | Conductor Section Area mm2 | |||||||||
| NJC | 16 | 3 | 10 | 125 | 1,500 | 2,000 | 3 | 16 | 1.25 | 7.0 ~ 8.5 |
| 5 | 5 | 1,000 | 1,000 | 5 | 20 | 0.5 | ||||
| NJC/MJC | 20 | 2,3 | 15 | 250 | 1,500 | 2,000 | 3 | 14 | 2 | 10.0 ~ 12.5 |
| 4,5 | 10 | 16 | 1.25 | |||||||
| 7 | 1,000 | |||||||||
| 12 | 5 | 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 | 14 | 2 | |||||||
| 10 | 10 | 1,000 | 2,000 | 16 | 1.25 | |||||
| 14, 16 | 5 | 1,000 | 5 | 20 | 0.5 | |||||
| 28 | 16 | 10 | 250 | 1,000 | 2,000 | 3 | 16 | 1.25 | 13.6 ~ 16.5 | |
| 24 | 5 | 1,000 | 5 | 20 | 0.5 | |||||
Contact Arrangement Diagram
Connection Work Method
Basic Information
| Connector Shape | Circular Type | Connector series initials | M・N・O |
|---|
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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