NEC NDL5731P-87A Optical Semiconductor Device Laser Diodes B14 Corp.

( Brand: Nec ), ( Part Type: Device Laser ), ( Manufacturer Part Number: NDL5731P-87A )

Review NEC B14 Lot Of Corp. Optical Semiconductor Device Laser Diodes

The NEC NDL5731P-87A B14 optical semiconductor device is a high-performance, 1.55 micron, laser diode specifically designed for use in telecommunications applications. This laser diode features a vertical cavity surface emitting structure (VCSEL) design, which provides excellent optical power and spectral characteristics.

The NDL5731P-87A B14 laser diode has a nominal output power of 5 mW with a typical spectral bandwidth of 30 nm at room temperature. It operates at a wavelength of 1550 nm, which is the standard wavelength for long-haul fiber optic communications. The laser diode is designed to be thermally managed, with a maximum junction temperature of 70 degrees Celsius.

The NDL5731P-87A B14 laser diode is packaged in a B14 fiber pigtail format, which includes a 1.0 mm diameter, 0.22 NA fiber optic connector. The laser diode is also equipped with a built-in collimating lens, which helps to improve the beam quality and increase the optical power that can be coupled into the fiber.

The laser diode is designed for easy integration into telecommunications systems, with a low threshold current and high modulation bandwidth. It has a typical modulation bandwidth of 25 GHz and a rise/fall time of 3 nanoseconds. The laser diode also features a high optical power stability, with a typical relative intensity noise (RIN) of -145 dB/Hz at 10 MHz.

The NEC NDL5731P-87A B14 laser diode is a reliable and high-performance component for telecommunications applications, with a long lifetime and excellent optical and electrical characteristics. It is suitable for use in a variety of applications, including optical amplifiers, wavelength division multiplexing (WDM) systems, and optical time domain reflectometry (OTDR) systems. With its high power, excellent beam quality, and low noise, this laser diode is an ideal choice for long-haul fiber optic communications systems.

A Comprehensive Analysis of Buying NEC NDL5731P-87A B14 Optical Semiconductor Devices: Laser Diodes

The NEC NDL5731P-87A B14 is a high-performance laser diode designed for various applications, including telecommunications, data communication, and industrial lasers. In this analysis, we will discuss the pros and cons of purchasing this optical semiconductor device.

1. High Performance: NEC laser diodes are known for their high performance and reliability. The NDL5731P-87A B14 offers a high power output and low threshold current, making it suitable for high-speed data transmission and other demanding applications.

2. Long Operating Life: These laser diodes have a long operating life, which reduces the frequency of replacements and maintenance, thereby saving costs in the long run.

3. Compact Size: The NDL5731P-87A B14 has a compact size, making it ideal for use in space-constrained applications.

4. Versatility: These laser diodes can be used in various applications, including telecommunications, data communication, and industrial lasers, making them a versatile choice for different industries.

1. High Cost: Laser diodes, in general, can be quite expensive compared to other types of semiconductor devices. The NEC NDL5731P-87A B14, being a high-performance laser diode, is no exception.

2. Complex Setup: Setting up and integrating laser diodes into systems can be a complex process that requires specialized knowledge and expertise.

3. Sensitive to Temperature: Laser diodes are sensitive to temperature and can degrade in performance if not maintained at the proper operating temperature.

The NEC NDL5731P-87A B14 is a high-performance laser diode with several advantages, including high power output, long operating life, compact size, and versatility. However, it also comes with some disadvantages, such as high cost, complex setup, and temperature sensitivity.

If you require a high-performance laser diode for applications such as telecommunications, data communication, or industrial lasers, the NEC NDL5731P-87A B14 is an excellent choice. However, it is essential to consider the complex setup process, temperature sensitivity, and high cost before making a purchase. If these factors are not a concern for your application, the NEC laser diode is an excellent investment for long-term performance and reliability.

Details:

See last picture. At least one photo must show the label or stamping if any on item. You are buying on the pictured lot of 3 NEC Corp. See Calculated shipping by USPS Ground Advantage.

This item is identified in the 1989 NEC Optical Semiconductor Devices Datebook, Under Laser Diodes, page 92. This used/estate item is being sold in the condition shown pictures. All untested. I do not have the referenced Datebook.

NDL5731P Optical semiconductor device - Laser Diodes. In original packaging but not sealed.

part #: ndl5731p87a prices

• $40.00-$95.00

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• brand: Nec
• part type: Device Laser
• manufacturer part number: NDL5731P-87A

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• type: Calculated
• service: USPS Ground Advantage
• cost: $7.55
• transit: 4-9 Days
• carrier: USPS
• class: Standard

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• city: Sequim, Washington
• rating: 100.0%
• # reviews: 20290

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• best offers: True
• availability: In Stock
• started: December 13, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0

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• policy: No Returns

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• condition: Used
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