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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
- Supports up to 9A current per circuit for high power applications.
- Features fully isolated terminals to protect against debris and damage.
- Scoop-proof nylon housing prevents contact terminal damage during mating.
- Polarized and keyed connectors prevent mismating with receptacles.
- Positive locking mechanism ensures secure connection and vibration resistance.
- Audible click confirms full and secure mating of connector.
- Includes versions with snap-in plastic PCB peg locks for enhanced retention.
- Constructed with brass contacts plated in tin for reliable conductivity.
Product Description
Molex 39-29-9203 Mini-Fit Jr. Series Straight Through Hole PCB Header is a durable, high-performance electrical connector designed for wire-to-board connections requiring high current capacity. Featuring 20 male brass contacts plated with tin and a rugged nylon shrouded housing, this connector supports up to 9 amperes per circuit, making it ideal for demanding power applications.
The connector's 4.2 mm pitch and two-row layout allow for compact and reliable PCB integration. The fully isolated and scoop-proof terminals protect against debris, arcing, and terminal damage when mated at sharp angles. The housing integrates polarization and keying features to prevent misalignment and mismating, ensuring error-free assembly.
A positive locking mechanism with an audible click secures the mating receptacle connection, maintaining electrical integrity even under vibration or shock stress. Optional plastic PCB retention pegs and mounting flanges provide enhanced mechanical stability during PCB assembly and operation.
The Molex Mini-Fit Jr. Series connectors are well-suited for high density and high current wire-to-board applications commonly found in consumer appliances, industrial automation, networking equipment, rack mount servers, routers, and switches.
Supports high current up to 9A per circuit. Fully isolated terminals ensure safety and reliability. Scoop-proof nylon housing for contact protection. Polarization and keying prevent mismating errors. Positive locking mechanism prevents accidental disconnection.
Audible mating confirmation click. Available with snap-in PCB peg locks and mounting flanges. Constructed with tin-plated brass contacts. Through-hole mount, straight orientation, 2 rows. Operating temperature: -40°C to 105°C.
This connector is manufactured in Mexico and conforms to commercial quality standards without specific certifications. It is an essential component for electrical applications demanding secure, high current PCB connections.
Explore more Molex Mini-Fit Jr. Series connectors and PCB header variants on EnvMart for comprehensive electronic assembly solutions.
Explore more products in our PCB Headers category.
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Frequently Asked Questions
This model supports a maximum current of 9A per circuit, making it suitable for high power applications.
The connector features a pitch of 4.2 mm, allowing for compact integration on PCBs.
It is equipped with 20 male brass contacts, plated with tin for reliable conductivity.
The operating temperature range is from -40°C to 105°C, suitable for various environmental conditions.
This model utilizes a through-hole mount type for secure PCB attachment.
Yes, it has fully isolated terminals and a scoop-proof housing that protects against debris and terminal damage during mating.
The housing is made of nylon, while the contacts are constructed from brass and plated with tin.
It features polarization and keying to prevent misalignment and mismating during assembly.
It includes a positive locking mechanism that provides an audible click, confirming a full and secure mating connection.
Yes, it is available with optional snap-in plastic PCB peg locks for improved retention during operation.
This product is manufactured in Mexico and conforms to commercial quality standards.
It uses a solder termination type for connecting to PCB traces.
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