Overview
The Motorola 6-5581 is a vintage NOS (New Old Stock) electronic resistor pack containing three precision fixed resistors rated at 3.3KΩ with 1/2W power dissipation and ±10% tolerance. These components represent authentic Motorola manufacturing from the era when the company produced high-quality discrete electronic components. The pack is ideal for vintage electronics restoration, circuit prototyping, and educational electronics projects requiring reliable standard resistance values.
Key Features
- Genuine Motorola 6-5581 vintage resistor pack (3 units per pack)
- 3.3 kilohm (3.3KΩ) resistance value
- 1/2 watt (0.5W) power rating
- ±10% tolerance rating
- New Old Stock (NOS) condition
- Ideal for vintage circuit restoration and prototyping
Technical Specifications
- Resistance Value: 3.3 kΩ
- Power Rating: 0.5 W (1/2 W)
- Tolerance: ±10%
- Type: Fixed Carbon Composition Resistor
- Quantity per Pack: 3 units
- Condition: New Old Stock (NOS)
- Manufacturer: Motorola
- Part Number: 6-5581
Typical Applications
- Vintage radio and tube amplifier restoration and repair
- Mid-century electronic equipment refurbishment
- Analog circuit design and breadboarding
- Educational electronics projects and laboratory use
- Replacement components for 1950s–1970s consumer electronics
- Hobby electronics and DIY projects requiring standard resistor values
Compatibility & Replacements
Compatible With
- Vintage tube amplifiers and radio circuits
- Classic analog electronic equipment requiring 3.3KΩ resistors
- Breadboards and prototyping circuits
- Any circuit design calling for 3.3KΩ fixed resistors at 1/2W or lower power
Replaces / Drop-In Replacement For
Verify compatibility with your circuit design before ordering. Standard 3.3KΩ 1/2W resistors from equivalent manufacturers (RCA, Philips, GE, Sylvania) may be substituted if specifications match tolerance and power requirements.
Works With
- Vintage electronics test equipment and circuit analyzers
- Analog multimeters for resistor verification
- Soldering tools for component installation and replacement
- Any breadboard or PCB accepting standard resistor leads
