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Ace High Stability Metal Film Resistors
TYPE - MA

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Construction:

Nickel Chromium alloy deposited by sputtering process on high alumina ceramic rods.

The film is fully stabilized to ensure long life and reliability. Fine helixing is done to get accurate values. Axial leads made of high conductivity Electro Tinned Copper wire are welded to the pressed end caps to ensure rigid construction. Multiple layers of light blue color epoxy is coated to ensure high insulation, voltage proof and protection against severe tropical environmental conditions.

Features:
  • Very high stability and reliability
  • Low TCR
  • Low noise level
  • Excellent high frequency characteristics conforms to MIL and JSS specifications
  • Approved by LCSO, C-DOT and most user organizations

Characteristics:

1. Short time overload ±0.5%
2. Damp heat (56 days)      ± 1%
3. Load life stability 2000 hrs at 70 *C ± 2%
4. Temperature cycling ±0.25%
5. Resistant to solvent No color bands going off.
6. Insulation resistance Minimum 10,000 M.ohms
7. Resistance to soldering heat ±0.25%
8. Dielectric strength 2xwork. Volt. No breakdown
9. Solderability Good tinning 95% coverage
10. Temperature limits T 65/150 (-65*C to +150*C)







Tape Packing/Box:
MA 25 2000 5000
MA 50 1000 2500
MA 01 500 1500
MA 02 500 1200
MA 03 100 100
MA 25 also in 26mm tape 5000/box


Physical & Electrical Data:

Type Wattage Range E-24/E96 Series Ohms Max Working Voltage Max Overload Tolerance (±) L (mm) D (mm) d (mm) l (mm)
MA 25 0.25W 1E-10M 250V 500V 0.1%,0.25%,
0.5%,1%,
2%,5%
6.8+
0.00-
1.00
2.5+
0.00-
0.40
0.6+
0.00-
0.04
26.5+
0.00-
0.50
MA 50 0.50W 1E-1M 350V 700V 0.1%, 0.25%,
0.5%,1%,
2%,5%
10.5+
0.00-
1.50
3.6+
0.00-
0.60
0.6+
0.00-
0.04
28.0+
0.00-
1.50
MA 01 1W 1E-1M 500V 1000V 0.1%, 0.25%,
0.5%,1%,
2%,5%
12.0+
0.00-
1.50 
4.7+
0.00-0.70 
0.8+
0.00-0.04 
26.0+
0.00-
1.50
MA 02 2W 1E-1M 500V 1000V 0.1%, 0.25%,
0.5%,1%,
2%,5%
16.0+
0.00-
1.5   
5.2+
0.00-1.00 
0.8+
0.00-0.04 
24.0+
0.00-
1.50
MA 03  3W 1E-1M 500V 1000V 0.1%, 0.25%,
0.5%,1%,
2%,5% 
18.0+
0.00-
1.5   
6.5+
0.00-1.0   
0.8+
0.00-0.04 
24.0+
0.00-
1.50

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