Overview
The HP QLMP-1635 LED is a classic vintage light-emitting diode component from Hewlett-Packard. This surplus electronics pack contains 500 new-in-box units from the QLMP series, a well-known line of discrete LEDs used in test equipment, instrumentation, and vintage electronics throughout the 1970s–1990s. Collectors, hobbyists, and restoration technicians rely on these components for maintaining or building authentic vintage systems.
Key Features
- Vintage Hewlett-Packard QLMP series LED
- New in box condition, factory sealed
- Bulk pack of 500 units
- Suitable for vintage electronics repair and restoration
- Compatible with classic HP test and measurement equipment
- Ideal for hobbyist and educational electronics projects
Technical Specifications
- Manufacturer: Hewlett-Packard
- Part Number: QLMP-1635
- Series: QLMP
- Component Type: Light Emitting Diode (LED)
- Package Quantity: 500 units
- Condition: New in Box (NOS)
Typical Applications
- Replacement indicators in vintage HP test equipment and oscilloscopes
- Vintage instrumentation and measurement device repair
- Retro electronics restoration and hobby projects
- Educational demonstrations of classic semiconductor technology
- Electronic component collections and archival storage
Compatibility & Replacements
Compatible With
- Hewlett-Packard HP 141T, 142T, 8753, and similar vintage measurement instruments
- Classic HP test equipment from 1970s–1990s era
- Original circuit designs using discrete QLMP series LEDs
- Standard LED mounting brackets and sockets for T-1 and similar form factors
Replaces / Drop-In Replacement For
Verify compatibility with your equipment before ordering. This vintage component may require verification against your specific instrument’s documentation or circuit schematic to ensure proper fit and electrical characteristics.
Works With
- Analog and digital circuits designed for discrete LED indicators
- Standard 5V and 12V indicator circuit designs
- LED biasing resistor networks and current-limiting circuits
- Panel-mount LED bezels and holders from the vintage era
