Fixed Resistors

Motorola 6-6407 Resistor File 220K Ohm ±10% 1/2W Carbon Composition NOS

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$30.00

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B4-2-409 New in Box (NOS) 1 in stock
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Overview

The Motorola 6-6407 is a precision carbon composition axial resistor rated at 220K ohm with ±10% tolerance and 1/2 watt power dissipation. This new in box resistor represents genuine vintage stock manufactured by Motorola and is suitable for replacement, repair, and restoration applications across vintage electronics, test equipment, and telecommunications hardware. Carbon composition resistors like the 6-6407 offer excellent frequency response and low noise characteristics, making them a preferred choice for audio circuits, RF applications, and precision analog designs.

Key Features

  • 220K ohm resistance with ±10% tolerance
  • 1/2 watt (0.5W) power rating
  • Carbon composition construction provides low noise and stable performance
  • Axial lead termination for through-hole PCB mounting
  • New in box Motorola vintage stock
  • Ideal for restoration and replacement in legacy equipment

Technical Specifications

Carbon composition resistors exhibit inherently superior frequency response and noise performance compared to film resistors, particularly in high-impedance audio and RF circuits. The 6-6407 features robust construction suitable for demanding industrial and legacy application environments.

Typical Applications

  • Vintage tube and solid-state audio equipment repair and restoration
  • Telecommunications and radio equipment replacement components
  • Test instrument calibration and repair
  • Legacy industrial control circuits
  • High-impedance analog signal conditioning
  • Audio and RF circuit design and prototyping

Compatibility & Replacements

Compatible With

  • Vintage tube and transistor amplifier circuits
  • Professional audio equipment from 1950s–1980s era
  • Industrial test and measurement instruments
  • Telecommunications equipment and radio transceivers
  • Any circuit requiring a 220K ohm, 1/2W resistive element with ±10% tolerance

Replaces / Drop-In Replacement For

Verify compatibility with your equipment documentation or system integrator before ordering. The 6-6407 is a direct replacement for equivalent 220K ohm 1/2W carbon composition resistors with matching lead spacing and tolerance rating.

Works With

  • Motorola vintage equipment and modules
  • Standard PCB and turret board designs from the era
  • Any application accepting 220K ohm ±10% fixed resistive components
  • Audio, RF, and analog signal processing circuits
Manufacturer

Motorola

Part Number

6-6407

Resistance Value

220,000 ohms (220K)

Tolerance

±10%

Power Rating

0.5W (1/2W)

Component Type

Carbon Composition Resistor

Termination Style

Axial Leads (Through-Hole)

Condition

New in Box (NOS)

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