Overview
The Motorola 6R6431 is a vintage fixed-value resistor offering 15K Ohm resistance with a 1W power rating and ±10% tolerance. This New Old Stock (NOS) component maintains original Motorola specifications and is housed in its original file pack. The 6R6431 is commonly encountered in vintage electronic equipment, industrial control circuits, and tube-based audio applications where period-correct component replacement is essential.
Key Features
- Fixed resistance value: 15K Ohm
- Power rating: 1W continuous dissipation
- Tolerance: ±10%
- Original Motorola manufacturer—guarantees authentic vintage specification
- New Old Stock (NOS) condition, sealed in original file pack
- Suitable for vintage audio, tube equipment, and industrial electronics restoration
Technical Specifications
- Resistance: 15,000 Ohms (15K Ω)
- Power Rating: 1W
- Tolerance: ±10%
- Manufacturer: Motorola
- Part Number: 6R6431
- Condition: New in Box
- Component Type: Fixed Resistor (Carbon or Wire-Wound)
Typical Applications
- Tube amplifier and vintage radio restoration
- Bias network resistors in audio circuits
- Load resistors in vintage test equipment
- Industrial control panel retrofit projects
- Impedance matching in legacy communication equipment
- Replacement for failed 15K 1W resistors in original designs
Compatibility & Replacements
Compatible With
- Vintage Motorola electronics and test equipment
- 1960s–1970s tube audio amplifiers
- Classic radio receivers and transmitters
- Industrial process control circuits requiring period-correct components
Replaces / Drop-In Replacement For
- Failed or aged 15K Ohm 1W carbon or wire-wound resistors in original equipment
- OEM Motorola resistor specifications in vintage circuits
- Generic 15K Ohm 1W resistors in non-critical audio and industrial applications
Works With
- Tube amplifier design and restoration workflows
- Vintage PCB rework and component-level repair
- Audio restoration shops and hobbyist vintage equipment projects
- Industrial maintenance for legacy control systems
