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BROADCOM ASSR4118503E Solid State Relay

The ASSR-4118, ASSR-4119, and ASSR-4128 series are solid-state relays featuring Photo MOSFET technology with 400V withstand voltage and current ratings up to 0.2A. Designed for industrial, telecommunication, medical, and security applications, these bi-directional, compact relays provide reliable switching with low input current compatibility and high insulation voltage. Available in various packages including small outline, DIP, and gull wing surface mount, they offer excellent thermal and electrical stability, making them ideal replacements for electromechanical relays in high-voltage switching circuits.

Authorized Distributors
Source:Newark
Part No:ASSR-4118-503E
Stock:86
Inv Date:06-01-2026
Price: Unit price: $1.23
Buy/RFQ:
Source:DigiKey
Part No:ASSR-4118-503E
Stock:6356
Inv Date:06-01-2026
Price: Unit price: $2.58
Buy/RFQ:
Part No:ASSR-4118-503E
Stock:355
Inv Date:06-02-2026
Price: Unit price: $2.58
Buy/RFQ:

BROADCOM ASSR4118503E Solid State Relay Specifications:

  • Output Voltage: -400 V to 400 V
  • Output Current: 0.10 A (ASSR-4118, ASSR-4119), 0.20 A (ASSR-4119 Connection B), 0.10 A (ASSR-4128)
  • Peak Voltage Withstand: 3750 Vrms for 1 min
  • On-Resistance: 8Q typical (DC-only), 25Q typical (AC/DC)
  • Input Current: 3 mA (minimum) for turn-on
  • Input Voltage (OFF): 0 to 0.8 V
  • Isolation Voltage: 3750 Vrms (1 min)
  • Operating Temperature: -40°C to 85°C
  • Lead Soldering Temperature: 260°C for 10 seconds
  • Package Options: Small outline, 6-pin DIP, 8-pin DIP, gull wing surface mount
  • Regulatory Approvals: UL 1577, CSA compliant
  • Storage Temperature: -55°C to 125°C
  • Repetitive Peak Current: 50 mA surge, 1000 mA transient

Buy the Avago ASSR-4118 – Reliable Solid State Relay for Industrial Applications

Purchase the Avago ASSR-4118 series online now to ensure reliable high-voltage switching in your industrial, telecommunication, or security projects. These compact, RoHS compliant Photo MOSFET relays feature 400V withstand voltage and low input current operation, making them ideal replacements for traditional electromechanical relays. In multiple packages including surface mount and DIP options, they offer superior electrical stability, high insulation voltage, and robust thermal performance. Order today and upgrade your automation and control systems with trusted, proven technology.

Order your Avago ASSR-4118 solid state relay today and enhance your high-voltage switching solutions with dependable, compact design and excellent insulation.

Frequently Asked Questions

Where can I buy BROADCOM ASSR4118503E?

You can click on the BUY or RFQ button to purchase ASSR4118503E from an authorized BROADCOM distributor.

How do I troubleshoot issues or seek technical support for part ASSR4118503E?

You can download the ASSR4118503E datasheet or visit the BROADCOM website for support.

Who is the manufacturer of ASSR4118503E?

BROADCOM

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