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Apem QS121XXY12 LED Indicator

The QS121XXY12 from APEM is a yellow LED indicator in the QS series, designed for panel mounting with a 12mm front cut-out. It features a polycarbonate (UL94V-0) lens and body, providing a diffused flat lens for clear visibility. This indicator replaces traditional filament and neon indicators, suitable for use in catering equipment, fire alarm panels, power distribution sockets, battery chargers, and domestic or commercial appliances. It operates within 10.8 to 13.2V DC, draws 20mA, with a 30° viewing angle, lifespan of 100,000 hours, UL recognition, and a maximum reverse voltage of 5V.

Authorized Distributors
Source:Newark
Part No:QS121XXY12
Stock:100
Inv Date:05-28-2026
Price: Unit price: $0.724
Buy/RFQ:
Source:DigiKey
Part No:QS121XXY12
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.4359
Buy/RFQ:
Part No:QS121XXY12
Stock:0
Inv Date:05-29-2026
Price: Unit price: $6.15
Buy/RFQ:
Part No:QS121XXY12
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.15
Buy/RFQ:

Apem QS121XXY12 LED Indicator Specifications:

  • Size: 12mm front cut-out
  • Material: Polycarbonate (UL94V-0)
  • Lens Type: Diffused flat
  • Operating Voltage: 10.8 to 13.2V DC
  • Forward Voltage: 2.1V
  • Current: 20mA
  • Viewing Angle: 30°
  • Lifespan: Approximately 100,000 hours
  • Reverse Voltage: Max 5V
  • Temperature Range: -30°C to +85°C
  • Terminals: Solder lug terminals (2.8 x 0.8mm)
  • Recognition: UL listed

Buy the APEM QS121XXY12 – Reliable Yellow LED for Industrial Applications

Order the APEM QS121XXY12 yellow LED indicator online today to enhance your panel applications with high durability and clear visibility. This 12mm LED, featuring UL recognition and a lifespan of 100,000 hours, is ideal for industrial, commercial, and safety equipment. Its diffused flat lens provides excellent daylight viewing, and the solder lug terminals ensure easy installation. Whether for power distribution, alarms, or appliances, this indicator offers reliable operation within a temperature range of -30°C to +85°C. Upgrade your system with this high-quality LED today.

Buy APEM QS121XXY12 now and experience unmatched reliability and performance in your industrial and commercial lighting solutions.

Frequently Asked Questions

Where can I buy Apem QS121XXY12?

You can click on the BUY or RFQ button to purchase QS121XXY12 from an authorized Apem distributor.

How do I troubleshoot issues or seek technical support for part QS121XXY12?

You can download the QS121XXY12 datasheet or visit the Apem website for support.

Who is the manufacturer of QS121XXY12?

Apem

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