Product Overview
Beyschlag MBA0204 392K Ohm Metal Film Resistors - 50-Piece Pack, 1/8W 1% Through-Hole Axial
Condition
Unused NOS. Fifty pieces per pack, bulk packed. Light blue body with brown end caps, five-band color coding intact, leads approximately 28mm long on taped cardboard carrier. Sourced from legacy electronics supply chains.
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Product Overview
Beyschlag MBA0204 series metal film axial resistors, 392K ohm, 1/8 watt, 1% tolerance. Through-hole axial lead construction for PCB mounting, point-to-point wiring, or breadboard prototyping. Beyschlag (Vishay) metal film resistors are well regarded in audio and precision electronics communities for low current noise and thermal stability. Pack of 50.
Key Features
- Resistance: 392K ohm (392,000 Ω)
- Tolerance: ±1%
- Power rating: 1/8W (0.125W)
- Construction: Metal film
- Form factor: Axial lead, through-hole
- Series: MBA0204
- Brand: Beyschlag (Vishay)
- Quantity: 50 pieces per pack
- Body: Light blue with brown end caps, five-band color code
- Lead length: Approximately 28mm on taped cardboard carrier
Applications
- Vintage audio repair - replacing drifted resistors in preamplifier and amplifier signal paths where low current noise matters, using a soldering iron and desoldering pump to swap the old component and match the original lead spacing
- Precision voltage divider and feedback loop repair in industrial control boards and test equipment, where 1% tolerance keeps the circuit within its designed calibration limits
- Breadboard prototyping and lab bench work requiring a precise, stable 392K reference value
- Maker and hobbyist projects - sensor pull-up networks, Arduino voltage dividers, and analog filter circuits where a metal film resistor beats the noise floor of a carbon film substitute
Frequently Asked Questions
Are the leads long enough for standard PCB mounting?
Lead length measures approximately 28mm on the taped carrier. That is full-length for through-hole PCB work and most point-to-point wiring. If your layout requires an unusually wide lead spacing, measure before trimming.
Can these be used in a circuit originally designed for a 1/4W resistor?
Only if the actual power dissipation in the circuit stays below 0.125W. If the original design called for 1/4W, verify the operating current before substituting. Exceeding 0.125W will cause the resistor to fail.
Are these compatible with surface-mount assembly?
No. These are axial through-hole components and are not compatible with automated SMD pick-and-place assembly lines or standard SMD footprints.
What is the package quantity?
50 pieces per pack.
A pack of Beyschlag metal films and a soldering iron is how a lot of great vintage audio gear gets another decade of honest service. These are the resistors the repair community keeps asking for by name.
