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Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 20 Contacts, 4.2 mm Pitch, 2 Row, Shrouded 39-29-9203
Specifications
| Country of Origin | Mexico |
|---|---|
| Voltage | 600V |
| Brand | Molex |
| Orientation | Straight |
| Current | 9A |
| Mount Type | Through Hole |
| Housing Material | Nylon |
| Contact Material | Brass |
| Series | Mini-Fit Jr |
| Termination Type | Solder |
| Maximum Operating Temperature | 105°C |
| Minimum Operating Temperature | -40°C |
| Number of Rows | 2 |
| Pitch | 4.2mm |
| Contact Plating | Tin |
| Number of Contacts | 20 |
| Contact Gender | Male |
| Shrouded/Unshrouded | Shrouded |
| Connector System | Wire-to-Board |
Key Features
- Designed for high current applications up to 9A per circuit.
- Housing made of durable nylon material ensuring insulation and long-term reliability.
- Straight orientation with through-hole mount type for stable PCB installation.
- Contact plating of tin over brass, solder termination, male contact gender.
- Fully isolated terminals provide protection against debris and arcing.
- Scoop-proof housing prevents damage to pins during mating at angle.
- Polarization and keying features prevent misalignment and mismating.
- Positive locking mechanism with audible click ensures secure mating connection.
Product Description
Molex 39-29-9203 Mini-Fit Jr Series Straight Through Hole PCB Header is a precision wire-to-board connector designed for high current, high density applications. It features 20 contacts arranged in 2 rows with a 4.2 mm pitch and a shrouded nylon housing that enhances connector reliability and protection.
This PCB header supports currents up to 9A per circuit, making it ideal for demanding industrial, consumer electronics, office equipment, and automation systems. The contacts are brass with tin plating and are terminated by solder, configured with male gender contacts. Its straight orientation and through-hole mounting method provide superior mechanical strength on PCBs.
The connector's fully isolated terminals guard against debris, arcing, and misuse, while the scoop-proof housing prevents damage to pins if mated at an angle. Additional design features like polarization, keying, and a positive locking mechanism with audible confirmation secure proper mating and prevent accidental disconnection under vibration or shock.
Designed for reliability, this header operates over a broad temperature range from -40°C to 105°C and withstands operating voltages up to 600V. It comes from Mexico and complies with no specific certifications but meets practical industry standards for such connectors.
High current support up to 9A per circuit. Durable nylon housing with isolation and scoop-proof design. Positive locking and audible click mating confirmation. Polarization and keying to prevent misalignment. Suitable for use in industrial automation, office equipment, consumer electronics, and networking devices.
Choose Molex Mini-Fit Jr PCB Headers for reliable power interconnections in complex electronic assemblies. Browse EnvMart for more Molex connector solutions and related electronics components.
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Frequently Asked Questions
This model supports a maximum current of 9A per circuit, making it suitable for high current applications.
The voltage rating for this header is up to 600V, which allows it to be used in various electrical applications.
It features a pitch of 4.2 mm and has 20 contacts arranged in 2 rows.
This unit uses a through-hole mounting type, providing superior mechanical strength on PCBs.
The housing is made of durable nylon material, ensuring insulation and long-term reliability.
The contacts are terminated by solder, which is a common method for securing connections in PCB applications.
This model includes polarization and keying features that help prevent misalignment and mismating during connection.
It operates over a broad temperature range from -40°C to 105°C, suitable for various environmental conditions.
The contacts are plated with tin over brass, which enhances conductivity and prevents corrosion.
The fully isolated terminals provide protection against debris and arcing, ensuring safe operation in demanding applications.
This model has male contacts, which are standard for many wire-to-board applications.
The country of origin for this connector is Mexico, indicating where it was produced.
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