myMectronic
myMectronic

A Premier B2B Part Search

Johnson-Cinch Connectivity Solutions 1420711821 RF Connector

The SMA 50 Ohm End Launch Receptacle is designed for high-frequency applications up to 18 GHz, ensuring low VSWR and excellent electrical performance. Constructed with brass bodies and beryllium copper contacts, this connector features gold plating for enhanced corrosion resistance and reliable signal transmission. Suitable for circuit board attachment, it provides a low-profile, durable, and high-frequency capable interface with maximum durability of 500 cycles. Its environmental ratings meet MIL standards, supporting operation in extreme temperature ranges from -65°C to +165°C. This SMA connector facilitates optimal RF performance for advanced communication and testing equipment.

Authorized Distributors
Source:Newark
Part No:142-0711-821
Stock:125
Inv Date:05-30-2026
Price: Unit price: $5.43
Buy/RFQ:
Source:DigiKey
Part No:142-0711-821
Stock:3106
Inv Date:05-30-2026
Price: Unit price: $5.51
Buy/RFQ:
Source:DigiKey
Part No:142-0711-821
Stock:495
Inv Date:05-30-2026
Price: Unit price: $9.85
Buy/RFQ:
Part No:142-0711-821
Stock:872
Inv Date:05-31-2026
Price: Unit price: $4.9
Buy/RFQ:
Part No:142-0711-821
Stock:334
Inv Date:05-30-2026
Price: Unit price: $5.21
Buy/RFQ:
Part No:142-0711-821
Stock:4357
Inv Date:05-30-2026
Price: Unit price: $4.66
Buy/RFQ:
Part No:142-0711-821
Stock:4357
Inv Date:05-30-2026
Price: Unit price: $4.66
Buy/RFQ:
Source:Arrow EU
Part No:142-0711-821
Stock:15
Inv Date:05-31-2026
Price: N/A
Buy/RFQ:
Part No:142-0711-821
Stock:187
Inv Date:05-31-2026
Price: N/A
Buy/RFQ:

Johnson-Cinch Connectivity Solutions 1420711821 RF Connector Specifications:

  • Impedance: 50 Ohms
  • Frequency Range: 0-18 GHz
  • VSWR: Dependent on application, typically below 1.5 up to 18 GHz
  • Body Material: Brass per QQ-B-626, gold plated per MIL-G-45204
  • Contact Material: Male - brass, female - beryllium copper, gold plated
  • Insulation Resistance: 5000 megohms minimum
  • Contact Resistance: 3.0 milliohms initial, 4.0 after environmental exposure
  • Working Voltage: 335 Vrms at sea level, 85 Vrms at 70K feet
  • Dielectric Withstanding Voltage: 1000 Vrms at sea level
  • Temperature Range: -65°C to +165°C
  • Durability: Minimum 500 cycles
  • Mechanical ratings include mating torque of 7 to 10 inch-pounds, coupling proof torque of 15 inch-pounds
  • Cable Retention: Axial force up to 45 lbs, torque up to 55 in-oz for .141 semi-rigid
  • Environmental Ratings: MIL-C-39012 compliant including temperature, vibration, shock, corrosion, and moisture resistance
  • Material: Bodies and mounting hardware brass, contacts beryllium copper, all gold or nickel plated as specified
  • Seals: Silicone rubber, EMI gasket with conductive silicone rubber
  • Compliance: MILSTD-202, MIL-C-39012

Buy the Cinch SMA 1420711821 – Reliable RF Connectors for Industrial Applications

Enhance your RF systems with the Cinch SMA connector, designed for high-frequency applications up to 18 GHz. Featuring durable brass and beryllium copper construction with gold plating, this connector ensures low VSWR and reliable signal integrity. Its MIL-grade environmental resistance guarantees operation in extreme conditions from -65°C to +165°C. Easy to install on circuit boards with excellent durability over 500 cycles, this connector is ideal for advanced communication, testing, and aerospace equipment. Order online today for fast, secure delivery and superior RF performance.

Buy Cinch SMA 1420711821 now and experience unmatched reliability and high-frequency performance for your RF projects.

Frequently Asked Questions

Where can I buy Johnson-Cinch Connectivity Solutions 1420711821?

You can click on the BUY or RFQ button to purchase 1420711821 from an authorized Johnson-Cinch Connectivity Solutions distributor.

How do I troubleshoot issues or seek technical support for part 1420711821?

You can download the 1420711821 datasheet or visit the Johnson-Cinch Connectivity Solutions website for support.

Who is the manufacturer of 1420711821?

Johnson-Cinch Connectivity Solutions

Johnson-Cinch Connectivity Solutions Part List

Browse and search other Johnson-Cinch Connectivity Solutions parts, locate datasheets and stock

Sponsored by