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Toyo LED Launches Complete Drop-in Replacements for ROHM SLR-343 Series Through-Hole LEDs Supporting Customers Through ROHM’s EOL Transition

  • Mittwoch, der 22. Juli 2026

 

July 22, 2026 — In response to ROHM’s SLR-343 series Through-Hole LEDs gradually entering the End of Life (EOL) phase, professional LED manufacturer Toyo LED today officially introduces a full range of high-compatibility replacement products to help customers achieve a seamless supply chain transition.

ROHM’s SLR-343 series (including SLR-343DU, SLR-343DC, SLR-343VR, SLR-343VC, SLR-343MG, SLR-343MC, SLR-343YY, SLR-343YC, SLR-343PG, SLR-343PC, etc.) is facing discontinuation due to product line optimization. Toyo LED has proactively developed direct replacements with highly consistent electrical characteristics, optical performance, and package dimensions, enabling pin-to-pin drop-in replacement without any PCB redesign.

Key Replacement Cross-Reference (Partial List):

ROHM Part No. Toyo LED Replacement Emitting Color
SLR-343DU TY-302UA1D40-60(10mA) Amber
SLR-343DC TY-302UA1T40-100(10mA) Amber
SLR-343VR TY-302UDR1D40-20(10mA) Red
SLR-343VC TY-302UDR1T40-30(10mA) Red
SLR-343MG TY-302UG4D40-40(10mA) Yellow-Green
SLR-343MC TY-302UG4T40-60(10mA) Yellow-Green
SLR-343YY TY-302UY1D40-40(10mA) Yellow
SLR-343YC TY-302UY1T40-60(10mA) Yellow
SLR-343PG TY-302UG7D40-10(10mA) Yellow-Green
SLR-343PC TY-302UG7T40-15(10mA) Yellow-Green

Toyo LED also offers flexible packaging options, including Tape & Reel according to customers’ production line requirements, facilitating automated insertion and improving manufacturing efficiency.

Key Advantages:

  • Fully compatible with ROHM’s original package and pin configuration
  • Equivalent or superior operating current and brightness range
  • Stable long-term supply with no EOL risk
  • Custom Tape & Reel packaging available upon request

A spokesperson from Toyo LED stated: “We have been closely monitoring industry developments. The discontinuation of ROHM’s SLR-343 series will affect many customers in industrial control, instrumentation, and home appliance sectors. Toyo LED not only provides high-quality replacements but also offers customized packaging services to ensure a smooth transition.”

Recommended Actions: Please review your current SLR-343 inventory as soon as possible and contact us. We will provide full cross-reference documents, samples, and technical support to complete verification and transition smoothly.

Toyo LED specializes in LED packaging and application solutions, widely used in industrial equipment, instrumentation, lighting, and consumer electronics. We are trusted globally for stable supply and competitive value.

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