Molex connectors are widely used in various industries for their reliability, versatility, and performance in electrical interconnect solutions. Known for their robust design and ease of integration into different applications, Molex connectors are often the go-to choice for manufacturers worldwide. In this article, we’ll explore some of the most common Molex connectors, each designed to meet specific needs in diverse sectors such as automotive, telecommunications, consumer electronics, and industrial applications.
The Molex PicoBlade connector is a miniature, high-density interconnect designed for space-constrained applications. It features a pitch of just 1.25 mm and is perfect for small electronic devices, such as handheld electronics, wearables, and medical devices. Its compact design ensures it can be used in tight spaces while providing secure and reliable connections.
| Scondar P/N | SCT1251 |
|---|---|
| Contact Pitch | 1.25mm |
| No.of Contacts | 2 to 16 positions |
| Current | 1A (AWG #28 to #32) |
One of the most popular Molex connectors is the Mini-Fit Jr., a widely used power connector. With a pitch of 4.2 mm, it is used in a variety of applications that require higher power handling, such as industrial equipment, telecommunications, and automotive electronics. The Mini-Fit Jr. is known for its reliable contact system and its ability to handle up to 13.0A of current per pin, making it ideal for mid-range power applications.
| Scondar P/N | SCT4201 |
|---|---|
| Contact Pitch | 4.2mm |
| No.of Contacts | 2 to 12, 2*1 to 2*12 positions |
| Current | 9A (AWG #16 to #24) |
The Micro-Fit connector series is another high-performance option with a compact design. It is designed for use in applications where space is limited but robust performance is needed. The Micro-Fit connectors have a pitch of 3.0 mm and are used in everything from automotive and industrial systems to consumer electronics and telecommunications equipment. With current ratings ranging from 5.0A to 9.0A, they provide secure, high-density connections in a small form factor.
| Scondar P/N | SCT3001 |
|---|---|
| Contact Pitch | 3.0mm |
| No.of Contacts | 1 to 12, 2*1 to 2*12 positions |
| Current | 5A (AWG #20 to #24) |
The Pico-SPOX connector is part of Molex’s innovative, high-speed interconnect solutions. With a focus on minimizing signal loss and interference, the Pico-SPOX connectors are perfect for use in high-performance electronic applications, including telecommunications, computer systems, and medical devices. They offer high-speed data transfer while maintaining the reliability Molex connectors are known for.
| Scondar P/N | SCT1500 |
|---|---|
| Contact Pitch | 1.5mm |
| No.of Contacts | 2 to 15 positions |
| Current | 3A (AWG #24 to #28) |
The KK 254 connector is part of Molex’s classic KK Series, with a 2.54mm pitch. It is commonly used for low-power signal and power transmission. The KK 254 series connectors are known for their compact design, stable connections, and ease of installation. They are widely used in consumer electronics, computer hardware, home appliances, and automotive electronics.
| Scondar P/N | SCT2541 |
|---|---|
| Contact Pitch | 2.54mm |
| No.of Contacts | 2 to 20 positions |
| Current | 3A (AWG #22 to #28) |
The KK 396 connector, with a 3.96mm pitch, belongs to Molex’s medium-sized KK Series. This series is primarily used for power and signal transmission in low to medium power applications. The KK 396 connectors offer higher current handling capabilities compared to the KK 254 series, making them ideal for devices that require more power.
| Scondar P/N | SCT3960 |
|---|---|
| Contact Pitch | 3.96mm |
| No.of Contacts | 2 to 15 positions |
| Current | 5A (AWG #18 to #24) |
The KK 508 connector has a 5.08mm pitch, which makes it suitable for higher-power applications compared to the KK 254 and KK 396 series. The KK 508 connectors provide a stronger current handling capacity and are commonly used in electrical control systems, industrial machinery, and electromechanical equipment.
| Scondar P/N | SCT5080 |
|---|---|
| Contact Pitch | 5.08mm |
| No.of Contacts | 2 to 20 positions |
| Current | 5A (AWG #18 to #24) |
The Pico-Clasp connector is a low-profile, compact option designed for use in tight spaces. It offers a simple, user-friendly design that allows for easy mating and un-mating. Typically used in automotive, consumer electronics, and industrial applications, the Pico-Clasp provides a secure connection while maintaining a small footprint.
| Scondar P/N | SCT1014 |
|---|---|
| Contact Pitch | 1.0mm |
| No.of Contacts | 2*10 to 2*25 positions |
| Current | 1A (AWG #28 to #32) |
The SL Modular Series connectors are designed to meet the needs of high-density applications. These connectors feature a modular design, which means they can be customized for a variety of different uses, from signal to power transmission. Commonly found in applications such as office equipment, computer hardware, and appliances, the SL Series ensures durability and secure connections.
| Scondar P/N | SCT2544 |
|---|---|
| Contact Pitch | 2.54mm |
| No.of Contacts | 2 to 20 positions |
| Current | 3.0A (AWG #22 to #28) |
The DuraClik connector series is known for its rugged construction and ability to withstand harsh environments. These connectors are designed for high-vibration and high-stress applications, making them ideal for automotive, aerospace, and industrial equipment. They offer a secure connection even in challenging conditions, ensuring reliability over long-term use.
| Scondar P/N | SCT2028 |
|---|---|
| Contact Pitch | 2.0mm |
| No.of Contacts | 2 to 15 positions |
| Current | 3A (AWG #22 to #26) |
Finally, the Mega-Fit connector is a heavy-duty option designed to handle high-power applications. With a current rating of up to 23A per pin, the Mega-Fit connectors are commonly used in power distribution systems, industrial machinery, and other high-current applications. They feature a robust design that ensures long-term durability and secure connections in demanding environments.
| Series | SCT5701, SCT5702 Series |
|---|---|
| Contact Pitch | 5.7mm |
| No.of Contacts | 2*1 to 2*6 positions |
| Current | 23A (AWG #12 to #16) |
Conclusion
Molex offers a diverse range of connectors, each designed to meet specific needs across a wide array of industries. Whether it’s the compact design of the PicoBlade, the high-power capabilities of the Mini-Fit Jr. and Mega-Fit, or the rugged durability of the DuraClik, Molex connectors provide solutions that are both reliable and versatile. The choice of connector depends largely on the requirements of the application, including factors such as space constraints, power handling, and environmental conditions.
As technology continues to evolve, Molex connectors will undoubtedly remain an essential component in modern electronic systems, helping to ensure efficient power delivery, high-speed data transmission, and secure connections in all types of equipment.