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Marl Yellow Indicator Lamp Single Chip BA9 Base 4.9 mm Diameter 20mA Current 215-521-23-38
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Diameter | 4.9mm |
| Brand | Marl |
| Current | 20mA |
| Length | 26mm |
| Viewing angle | 120 ° |
| Light Output Colour | Yellow |
| Lamp Base | BA9 |
| Life Hours | 100000h |
| Chip Type | Single Chip |
| Peak Wavelength | 591nm |
Key Features
- This indicator lamp emits yellow light with a viewing angle of 120 degrees.
- It operates at a current of 20mA for efficient energy usage.
- The lamp has a compact diameter of 4.9 mm and a length of 26 mm for small form-factor applications.
- The BA9 base design ensures compatibility with standard lampholders.
- Its peak wavelength is 591 nm, offering clear yellow light output.
- The LED has a long life of approximately 100,000 hours for durable operation.
- Designed for direct connection with 12, 24, 28, 60, or 110 Vdc power supplies.
- Manufactured in the United Kingdom with high-quality materials.
Product Description
Marl 215-521-23-38 Yellow Indicator Lamp Single Chip BA9 Base 4.9 mm Diameter is an ultra-bright LED indicator lamp designed for industrial and commercial electronic applications. It features a single yellow LED chip integrated with an integral resistor, enabling direct connection to various DC voltage supplies ranging from 12V up to 110Vdc. The compact 4.9 mm diameter and 26 mm length make it suitable for panel mount installations where space is limited.
This indicator lamp provides a wide viewing angle of 120 degrees, delivering high-intensity sunlight-readable light output with a peak wavelength of 591 nm, optimized for visibility and clarity. The lifespan of this LED lamp is rated at 100,000 hours, ensuring long-term reliability in demanding environments, including manufacturing plants, control panels, instrumentation, and HVAC control systems.
The BA9 base type fits standard lampholders, and the device must only be used with properly rated lampholders ensuring that live parts remain inaccessible during operation. It is not suitable for use with dropper resistors on 230Vac systems.
This indicator lamp emits yellow light with a viewing angle of 120 degrees. Operates at 20mA for energy-efficient illumination. Compact with 4.9 mm diameter and 26 mm length for tight installations. BA9 base for standard mounting and electrical connection.
Peak wavelength of 591 nm for clear yellow light visibility. LED lifespan of 100,000 hours for extended durability. Integral resistor for direct connection to multiple DC voltage systems. Manufactured in the United Kingdom ensuring quality compliance.
This lamp is ideal for indicator applications within electronic components, power and connectors, displays, and optoelectronics. It suits environments requiring bright, reliable indications on panels and equipment in industrial, laboratory, or HVAC systems.
Explore the full range of Indicator Lamps and thoroughly engineered components available in the Electronics & Electricals category at EnvMart, designed to meet diverse industrial needs with superior reliability and performance.
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Frequently Asked Questions
The diameter of this indicator lamp is 4.9 mm.
It operates at a current of 20 mA.
The length of this unit is 26 mm.
The lamp has a viewing angle of 120 degrees.
The peak wavelength is 591 nm, which corresponds to the yellow light output.
This model can be directly connected to power supplies ranging from 12 to 110 Vdc.
It is designed for use in industrial, commercial electronic applications, including control panels and HVAC systems.
It is manufactured in the United Kingdom using high-quality materials, although specific materials are not detailed.
It features a single chip design for efficient operation.
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