3700-0121-01 MH CONNECTORS Connector (Other) In Stock
MH Connectors 3700-0121-01 is a male telecom and datacom connector with gold-plated phosphor bronze contacts and a liquid crystal polymer insulator body, offering reliable high-frequency signal performance in telecommunications, networking, and datacom equipment requiring durable low-resistance connections.
- Manufacturer
- MH CONNECTORS
- Package
- Other
- Pin Count
- 68
- Lifecycle
- CONTACT MANUFACTURER
- Datasheet
- 3700-0121-01 Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Gold-plated phosphor bronze contacts delivering low contact resistance and superior corrosion resistance for high-reliability telecom applications
- Liquid crystal polymer (LCP) insulator body providing excellent dimensional stability and high-temperature resistance
- Male contact gender enabling standard mating with compatible female telecom/datacom receptacles
- Gold finish on both mating and termination surfaces ensuring consistent signal integrity across multiple mating cycles
Applications
The MH Connectors 3700-0121-01 is designed for use in telecommunications switching equipment, datacom network interface cards, and high-density server backplanes where reliable signal integrity is essential. Its gold-plated phosphor bronze contacts minimize insertion loss and contact resistance over thousands of mating cycles, making it suitable for rack-mounted networking hardware and field-replaceable module connectors. The LCP insulator ensures dimensional stability even in elevated-temperature environments found in active network equipment enclosures.
Specifications
| Connector Type | TELECOM AND DATACOM CONNECTOR |
| Contact Finish Mating | GOLD |
| Contact Finish Termination | GOLD |
| Contact Gender | MALE |
| Contact Material | PHOSPHOR BRONZE |
| DIN Conformance | NO |
| Empty Shell | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulator Material | LIQUID CRYSTAL POLYMER/POLYETHYLENE |
| JESD-609 Code | e4 |
| MIL Conformance | NO |
| Mixed Contacts | NO |
| Mounting Style | RIGHT ANGLE |
| Mounting Type | BOARD |
| Option | GENERAL PURPOSE |
| Shell Finish | NICKEL |
| Shell Material | STEEL |
| Termination Type | SOLDER |
| Total Number of Contacts | 68 |
| UL Flammability Code | 94V-0 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What contact materials and finish are used in the MH Connectors 3700-0121-01, and why do they matter for telecom applications?
The 3700-0121-01 uses phosphor bronze contact material with gold plating on both the mating and termination surfaces. Gold plating typically exceeds 30 micro-inches thickness in telecom-grade connectors, providing extremely low contact resistance below 10 milliohms and preventing oxidation that would degrade signal quality in high-frequency datacom links.
How does the liquid crystal polymer insulator in the 3700-0121-01 benefit performance in high-temperature networking equipment?
Liquid crystal polymer (LCP) offers a heat deflection temperature above 220°C and very low moisture absorption below 0.04%, maintaining precise contact positioning and dimensional accuracy inside active networking equipment where ambient temperatures can exceed 85°C. This stability is critical for preserving mating alignment and impedance matching at high data rates.
In which system designs does the male gender of the 3700-0121-01 connector make it the right choice versus a female receptacle?
Male connectors like the 3700-0121-01 are typically mounted on plug-in modules, line cards, or cable assemblies that mate into female receptacles on the chassis backplane. This arrangement protects exposed gold pins on the female chassis side and allows the male plug to be a replaceable field component, reducing maintenance costs in telecom and datacom infrastructure installations.
What insulation material does the 3700-0121-01 use, and how does it compare to standard nylon-bodied connectors in high-density rack applications?
The 3700-0121-01 uses a liquid crystal polymer (LCP) body, which is stiffer and dimensionally more stable than standard nylon (PA66) at temperatures above 85°C and under mechanical load. LCP connectors maintain contact alignment accuracy within 0.05 mm tolerances in high-density rack assemblies, preventing the mis-mating risk that softer nylon bodies present when hundreds of connector pairs are engaged simultaneously.
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About MH CONNECTORS
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