Product Overview
Hitachi HLP-1600 GaAlAs 830nm 15mW Multi-Pin Window Header
Condition
New old stock. Unused vintage inventory. Protective shorting wire remains in place across the terminal pins. Labeled: HITACHI LASER DIODE Type : HLP-1600. Sold each.
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Product Overview
Emitting near-infrared radiation at a typical peak wavelength of 830 nm, Hitachi HLP-1600 is a GaAlAs semiconductor laser diode built in a hermetic multi-lead can header with an integrated optical window. Engineered for continuous-wave operation at 15 mW optical output, this component provides kink-free lasing performance across a 0°C to +50°C operating temperature range. The package incorporates an 8-lead circular layout with an indexing flange notch for precise mechanical alignment.
Key Features
- Typical peak lasing wavelength of 830 nm with a specified range of 800 nm to 850 nm
- Continuous-wave optical output power of 15 mW
- Threshold current rating of 60 mA typical and 90 mA maximum at 25°C
- Operating current rated at threshold current plus 25 mA
- Maximum reverse voltage rating of 2.0 V
- Fast rise and fall switching times of 0.6 ns maximum
- Beam divergence angles of 10° parallel to junction and 26° perpendicular to junction
- Hermetically sealed cylindrical metal can header with flat glass optical aperture and 8 wire leads
Applications
- Restoring and bench-servicing early optical disc players, laser measurement gear, and legacy fiber communication equipment.
- Mounting into laboratory test benches that require an 830 nm coherent infrared source with windowed protection.
- Prototyping custom laser driver circuits and experimental electro-optics assemblies on hobbyist and maker workbenches.
Frequently Asked Questions
What is the operating wavelength range for this diode?
It operates in the near-infrared spectrum with a typical center wavelength of 830 nm, spanning between 800 nm and 850 nm.
Why is wire wrapped around the terminal pins?
A thin conductive wire is factory-wrapped around the leads to short them together, preventing damage to the GaAlAs junction from electrostatic discharge prior to soldering.
How can I tell the HLP-1600 apart from standard 3-pin or 4-pin laser diode cans?
Unlike modern standard TO-18 or TO-56 laser diodes with three or four pins, the HLP-1600 uses a specialized 8-lead circular header with an indexed base flange. The price per piece steps down with quantity, and the price-break table on this page shows each step.
Early solid-state lasers came out of an era when making light behave meant real glass apertures, multi-lead headers, and careful bench hands. Drop this into your circuit and get the beam running true.
