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  Mills Resistors
 


 
Price $4.90

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Description
 
Mills Resistors!  Any value you want between 0.5 and 40ohms.

Select the quantity you want above and note the values you need in the comments section when you check out.

Mills Resistors

A typical source of dynamic compression in stock crossover networks is sand cast resistors. They have a temperature coefficient (TCR) of about 400ppm/°C. Ouch! Compare that to a TCR of about 50ppm/°C for most of the values of Mills resistors we use. Sand Cast resistors exhibit a rising resistance as temperature increases. These low cost resistors heat up instantly as current passes through them. This in turn means they have a higher resistance to loud sounds than they do to quiet sounds. You can guess what happens next - they let proportionally less of the loud sounds through.

Resistor found in a typical loudspeaker:


Sand Cast Resistor

Sand Cast

The majority of Mills values we use are 800% better than sand cast resistors. These non-magnetic, non-inductive wire-wound resistors were specifically designed for high-end electronics, loudspeakers, and audiophile upgrades.  The all weld axial construction boasts an alumina ceramic core with a Nickel-Copper element, Silver plated Copper end-caps, and tinned Copper leads.  Aryton-Perry winding reduces inductive reactance and signal loss. These resistors exceed MIL-R-26E specs.  All resistor values are 1% tolerance.

Mills 12 watt resistors possess a big power handling for their size. They will handle overloads 10X its power rating (120 watts) for 5 seconds with operating voltages up to 1,000 VAC.  The body measures 1.188" +/- 0.062" in length by 0.312" +/- 0.031" in diameter.  The leads measure 1.500" in length minimum by 0.040" in diameter.

Features:

  • Alumina ceramic core
  • Nickel-Copper element
  • Silver plated Copper end-caps
  • Tinned Copper leads
  • Aryton-Perry winding
  • All weld axial construction
  • Exceed MIL-R-26E specs
  • 1% tolerance
  • Excellent Reliability
  • ROHS Compliant
Specifications:
  • Dielectric Strength: 1000VAC
  • TCR:
    10+ ohms: ±20ppm/°C
    1-10 ohms: ±50ppm/°C
    <1 ohm: ±90ppm/°C
  • Short Time Overload: 5 seconds @ 10X rater power
Long Life Through Rigorous Testing:

Test

Conditions

Dielectric Withstanding Voltage

1,000V rms, 1 minute

High Frequency Vibration

10 to 2,000Hz, 20g peak, 2 directions 6 hrs each

High Temperature Exposure

250 hrs @ 350ºC

Load Life

2,000 hrs @ 25ºC at rated power, 1.5 hrs ON, 0.5 hrs Off

Low Temperature Storage

Minus 65ºC for 24 hours

Moisture Resistance

MIL-STD 202 Method 106

Shock, Specified Pulse

MIL-STD 202 Method 213, 100g's for 6milliseconds, 10 shocks

Shock, Thermal

Rated power applied till thermally stable, then 15 minutes @ minus 55ºC

Short Time Overload

10x rated power

Terminal Strength

10 pound pull test, 5-10 seconds torsion test, 3 directions 360º each

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