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COTO TECHNOLOGY ATE21A0520 Microminiature Reed Relay

The COTO TECHNOLOGY ATE21A0520 is a microminiature reed relay specifically engineered for demanding applications such as automated test equipment and RF circuits. Its compact size, combined with high reliability and fast switching speeds, makes it an ideal choice for OEM designs and maintenance of production fixtures. Features include a hermetically sealed contact for extended lifespan, an epoxy-coated steel shell for magnetic shielding, and optional electrostatic and coaxial shielding for enhanced performance. The relay's robust construction and environmental ratings ensure reliable operation in a wide range of conditions.

Authorized Distributors
Part No:ATE21A0520
Stock:746
Inv Date:06-10-2026
Price: Unit price: $5.62
Buy/RFQ:
Part No:ATE21A0520
Stock:746
Inv Date:06-10-2026
Price: Unit price: $5.62
Buy/RFQ:

COTO TECHNOLOGY ATE21A0520 Microminiature Reed Relay Specifications:

  • Nominal Coil Voltage: 5-12 VDC
  • Coil Resistance: 370-1500 Ω
  • Operate Voltage: 3.8-9.0 VDC
  • Release Voltage: 0.4-1.0 VDC
  • Switching Voltage: 200 Volts
  • Switching Current: 0.5 Amps
  • Carry Current: 1.0 Amps
  • Contact Rating: 10 Watts
  • Life Expectancy: 500,000 Ops
  • Static Contact Resistance: < 0.100 Ω
  • Dynamic Contact Resistance: < 0.200 Ω
  • Insulation Resistance: > 10^12 Ω
  • Capacitance Across Open Contacts: Typical 0.9 pF
  • Dielectric Strength: > 250 VDC/peak AC
  • Operate Time: < 0.5 msec
  • Release Time: Typical 0.1 msec
  • Storage Temperature: -35°C to +100°C
  • Operating Temperature: -20°C to +85°C
  • Vibration Resistance: 20 G’s to 2000 Hz
  • Shock Resistance: 50 G’s

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Frequently Asked Questions

Where can I buy COTO TECHNOLOGY ATE21A0520?

You can click on the BUY or RFQ button to purchase ATE21A0520 from an authorized COTO TECHNOLOGY distributor.

How do I troubleshoot issues or seek technical support for part ATE21A0520?

You can download the ATE21A0520 datasheet or visit the COTO TECHNOLOGY website for support.

Who is the manufacturer of ATE21A0520?

COTO TECHNOLOGY

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