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COTO TECHNOLOGY CT126 MOSFET Relay Switch

The COTO CT126/CS126 is a compact and versatile MOSFET relay suitable for a wide range of applications including security systems, measurement equipment, and instrumentation. It offers high current switching capabilities up to 2.0A with a low on-resistance of 0.5Ω, enabling efficient power control. The relay is designed to handle load conditions up to 40V and features a low off-state leakage current, making it ideal for battery-powered devices. Contact COTO for custom requirements.

Authorized Distributors
Source:DigiKey
Part No:CT126
Stock:283
Inv Date:06-10-2026
Price: Unit price: $6.05
Buy/RFQ:
Part No:CT126
Stock:0
Inv Date:06-11-2026
Price: Unit price: $5.39
Buy/RFQ:

COTO TECHNOLOGY CT126 MOSFET Relay Switch Specifications:

  • Contact Form: 1A
  • Load Voltage: 40V Maximum
  • Operation LED Current: 0.5 - 3.0mA
  • Load Current: 2.0A Maximum
  • On-Resistance: 0.5Ω Maximum
  • Low Off-State Leakage Current: 1.0μA Maximum
  • I/O Breakdown Voltage: 1500Vrms Minimum
  • Suffix - H: 5000Vrms Minimum
  • Continuous LED Current: 50mA
  • Peak LED Current: 500mA
  • LED Reverse Voltage: 5V
  • Input Power Dissipation: 75mW
  • Load Voltage (AC peak or DC): 40V
  • Peak Load Current: 3.5A
  • Output Power Dissipation: 450mW
  • Total Power Dissipation: 500mW
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +100°C
  • LED Forward Voltage: 1.0 - 1.5V
  • Recovery LED Voltage: 0.5 - 1.1V
  • On-Resistance (Drain to Drain): 0.085 - 0.5Ω
  • Off-State Leakage Current: ≤1.0μA
  • Output Capacitance: ≤240pF
  • Turn-On Time: 0.5 - 3.0ms
  • Turn-Off Time: 0.05 - 1.0ms
  • I/O Insulation Resistance: ≥10MΩ
  • I/O Capacitance: ≤1.3pF

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Frequently Asked Questions

Where can I buy COTO TECHNOLOGY CT126?

You can click on the BUY or RFQ button to purchase CT126 from an authorized COTO TECHNOLOGY distributor.

How do I troubleshoot issues or seek technical support for part CT126?

You can download the CT126 datasheet or visit the COTO TECHNOLOGY website for support.

Who is the manufacturer of CT126?

COTO TECHNOLOGY

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