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ITT CANNON MDM21SSB 21 Contact Micro D Connector

The ITT CANNON MDM-21SSB is a robust Micro D subconnector designed for demanding applications. It features a 21-contact socket arrangement with gold-plated copper alloy contacts, ensuring excellent conductivity and corrosion resistance. The aluminum shell, finished with yellow chromate/cadmium over nickel, provides durability and protection. Suitable for applications requiring secure and reliable connections, this connector offers a current rating of 3A and dielectric withstanding voltage up to 600 VAC. Its robust construction and performance characteristics make it ideal for industrial and commercial use.

Authorized Distributors
Source:Newark
Part No:MDM-21SSB
Stock:25
Inv Date:06-11-2026
Price: Unit price: $268.92
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Source:DigiKey
Part No:MDM-21SSB
Stock:90
Inv Date:06-11-2026
Price: Unit price: $165.55
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Part No:MDM-21SSB
Stock:51
Inv Date:06-12-2026
Price: Unit price: $172.63
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Part No:MDM-21SSB
Stock:97
Inv Date:06-11-2026
Price: Unit price: $158.26
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Part No:MDM-21SSB
Stock:11
Inv Date:06-11-2026
Price: Unit price: $168.413
Buy/RFQ:
Part No:MDM-21SSB
Stock:6
Inv Date:06-11-2026
Price: Unit price: $168.413
Buy/RFQ:
Part No:MDM-21SSB
Stock:97
Inv Date:06-11-2026
Price: Unit price: $158.26
Buy/RFQ:
Part No:MDM21SSB
Stock:250
Inv Date:06-12-2026
Price: N/A
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ITT CANNON MDM21SSB 21 Contact Micro D Connector Specifications:

  • Series: Micro "D" Metal Shell
  • Arrangement: 21 Contact
  • Gender: Socket
  • Contact Material: gold plated copper alloy
  • Contact Typ: solder pot
  • Contact Resistance: 8 milliohms max.
  • Termination Type: Solder pot to accept #26AWG max. harness wire
  • Shell Material: Aluminum
  • Shell Finish: Yellow Chromate/Cadmium over Nickel
  • Insulator Material: liquid crystalline polymer (contact size 9 to100), Diallyl phthalate (contact arrangements 7C2 or 24C4)
  • Hardware: B .092 dia mtg holes
  • Coupling: Friction Coupling
  • Current Rating: 3 A max.
  • Dielectric Withstanding Voltage: 600 VAC at sea level, 150 VAC at 70,00' altitude
  • Insulator Resistance: 5000 megohms min.
  • Thermal Shock: -55°/+125°
  • Physical Shock: 50 G's, 3 axes, 6 milisecond duration sawtooth pulse
  • Vibration: 20G's, 10-2000 Hz. 12 hours
  • Durability: 500 cycles of mating and unmating, 500 CPH max.
  • Moisture Resistance: Insulator resistance > 100 megohms
  • SaltSpray: 48 hours

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Frequently Asked Questions

Where can I buy ITT CANNON MDM21SSB?

You can click on the BUY or RFQ button to purchase MDM21SSB from an authorized ITT CANNON distributor.

How do I troubleshoot issues or seek technical support for part MDM21SSB?

You can download the MDM21SSB datasheet or visit the ITT CANNON website for support.

Who is the manufacturer of MDM21SSB?

ITT CANNON

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