Product Line

Metal Series Resistors

Product Name : MINIATURE SIZE METAL FILM FIXED RESISTORS

Description


INTRODUCTION:
  • Miniature size for saving PCB assembly.
  • Manufactured by high vacuum sputtering deposit metal film on high aluminum content ceramic rods.
  • Superior electrical performance and cost comparable to conventional sizes.
  • Standard tolerance: ± 0.1% ± 0.25% ± 0.5% ± 1%
DIMENSIONS:


GENERAL SPECIFICATIONS:
SMALL STYLE SMALL STYLE POWER RATING (W) DIMENSION (mm) MAX WORKING VOLTAGE MAX OVERLODAD
L D H (MIN) d
MF-25S 1/4WS 0.25W 3.7±0.4 1.8±0.2 27 0.46±0.02 250 300
MF-50S 1/2WS 0.5W 6.8±0.5 2.5±0.2 27 0.53±0.03 350 500
MF-100S 1WS 1W 9.0±1.0 3.5±0.5 25 0.68±0.02 500 700
MF-200S 2WS 2W 12±1.0 4.5±0.5 33 0.80±0.03 500 1000
MF-300S 3WS 3W 16±1.0 5.5±0.5 33 0.80±0.03 600 1000
MF-500S 5WS 5W 17±1.0 6.0±0.5 30 0.80±0.03 700 1000
FM-0204 0.4W 3.7±0.4 1.8±0.2 27 0.46±0.02 250 350
FM-0207 0.6W 6.8±0.5 2.5±0.2 27 0.53±0.03 350 500
RESISTANCE RANGE:
SMALL STYLE SMALL STYLE TOLERANCE TC ±25PPM/℃ TC ±100PPM/℃ TC ±50PPM/℃
MF-25S 1/4WS ±1%
±0.5%
±0.25%
±0.1%
10Ω~1MΩ
100Ω~1MΩ
51.1Ω~470KΩ 51.1Ω~470KΩ
1Ω~10MΩ
51.1Ω~470KΩ
MF-50S 1/2WS ±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
10Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-100S 1WS ±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
10Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-200S 2WS ±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
1Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-300S 3WS ±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
1Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-500S 5WS ±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
1Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ

CHARACTERISTICS:
Requirements Characteristics Remarks
Temperature Coefficient ±50 PPM 10-6/K Mil-STD-202 Metro 304
Termal Resistance 140 K/W  
Life Stability At 70℃ 1000Hr Max. Resistance Change 0.5% K Most Umax. 1.5 hr ON 0.5 hr OFF
Dielectric Withstanding Voltage 300 Vr. m.s. for MF0204 500 Vr. m.s. for MF- 0207  
Insulation Resistance >103MΩ 1000VDC
Damp Heat Steady State ±0.5% 56 Days At 40℃ and 93% Relative humidity at a voltage of 0.1 times rated voltage. Max 16 Volts.
Short time Overload △R±0.25% 2.5 times rated voltage, at most 2 times limiting element voltage (U Max)
Moisture Resistance ±0.5%  
Resistance to Soldering Heat ±0.25% 350±5℃ to 6mm distance from the resistance body in 3 sec.
Temperature Cycling ±0.5% -65℃ to 155℃
Low temperature operation ±0.25% High frequency, 10-500Hz
Vibration ±0.25% - 65℃
Current Noise Up to 1MΩ 0.5µ V/V - 5dB
Solderability >95% Coverage Dipping in 235℃ solder bath for 2.5 sec.
Resistance to Solvents No failure to top coating and color code  

DERATING CURVE:

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