myMectronic
myMectronic

A Premier B2B Part Search

OPTO 22 MP120D4 Solid-State Relay

The MP120D4 is a solid-state relay featuring DC control with a compact design to maximize relay density on printed circuit boards. It has a rugged epoxy encapsulation for durability and has undergone full load testing along with six times the rated surge current both before and after encapsulation. This relay is hermetically sealed, TTL compatible, and operates within a temperature range of -40°C to 70°C. It is suitable for applications in industrial automation, power management, and process control.

Authorized Distributors
Source:Newark
Part No:MP120D4
Stock:14
Inv Date:06-22-2026
Price: Unit price: $32.74
Buy/RFQ:
Source:DigiKey
Part No:MP120D4
Stock:4
Inv Date:06-22-2026
Price: Unit price: $35.05
Buy/RFQ:
Source:DigiKey
Part No:MP120D4
Stock:0
Inv Date:06-22-2026
Price: Unit price: $36.84
Buy/RFQ:
Part No:MP120D4
Stock:19
Inv Date:06-23-2026
Price: Unit price: $36.84
Buy/RFQ:
Part No:MP120D4
Stock:0
Inv Date:06-23-2026
Price: Unit price: $32.97
Buy/RFQ:
Part No:MP120D4
Stock:5
Inv Date:06-22-2026
Price: Unit price: $36.01
Buy/RFQ:
Part No:MP120D4
Stock:0
Inv Date:06-22-2026
Price: Unit price: $37.58
Buy/RFQ:
Part No:MP120D4
Stock:15
Inv Date:06-22-2026
Price: Unit price: $41.65
Buy/RFQ:
Part No:MP120D4
Stock:3
Inv Date:06-22-2026
Price: Unit price: $30.55
Buy/RFQ:
Authorized Distributors
Part No:MP120D4
Stock:15
Inv Date:06-22-2026
Price: Unit price: $41.65
Buy/RFQ:
Part No:MP120D4
Stock:3
Inv Date:06-22-2026
Price: Unit price: $30.55
Buy/RFQ:
Part No:MP120D4
Stock:0
Inv Date:06-22-2026
Price: Unit price: $25.91
Buy/RFQ:

OPTO 22 MP120D4 Solid-State Relay Specifications:

  • Control Method: DC
  • Operating Temperature Range: -40°C to 70°C
  • Encapsulation: Epoxy
  • Hermetically sealed
  • Load Surge Test: Six times rated surge current
  • Control Resistance: 1000 ohms
  • Peak Repetitive Voltage: 600V
  • Maximum Off-State Leakage: 5mA
  • Maximum Continuous Current: 4 Amps
  • Optocoupler Control Circuit Compatibility: TTL

Buy the Opto 22 Series MP: MP120D4

Order the reliable Opto 22 MP120D4 solid-state relay online today to ensure durability and precision in your industrial automation and power management systems. Designed with epoxy encapsulation, hermetic sealing, and full load surge testing, this relay offers maximum performance and longevity. Its compact footprint maximizes PCB density, making it ideal for high-volume and space-constrained applications. Suitable for power control in automation, process control, and energy management, the MP120D4 guarantees seamless operation and durability, enhancing your system’s reliability.

Get Opto 22 MP120D4 today—built for reliability in industrial automation and power control.

Frequently Asked Questions

Where can I buy OPTO 22 MP120D4?

You can click on the BUY or RFQ button to purchase MP120D4 from an authorized OPTO 22 distributor.

How do I troubleshoot issues or seek technical support for part MP120D4?

You can download the MP120D4 datasheet or visit the OPTO 22 website for support.

Who is the manufacturer of MP120D4?

OPTO 22

OPTO 22 Part List

Browse and search other OPTO 22 parts, locate datasheets and stock

Sponsored by