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Series MR0 pages
Resistors
MR - series
Precision - Metal Foil Resistor
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Specification
Very good Long Term Stability
Any Resistance from 1Ω - 400kΩ
Best Resistance Tolerance 0,005%
Temperature Coefficient ±1 ppm/K
Non - Inductance
Low Current Noise
Rugged Epoxy Housing
MR9101
MR9102
MR9103
Resistance Range (Ω)
1 - 200k
1 - 200k
5 - 400k
Power Rating (Watts)
0,3 (>150k 0,2)
0,3 (>150k 0,2)
0,5 (>200k 0,3)
Operating Voltage (V)
250 (max.)
250 (max.)
300 (max.)
Tolerances (%)
Temperature
Coefficient
1Ω - 5Ω: ±0,5; ±1
5Ω - 30Ω : ±0,1; ±0,5; ±1
30Ω - 200k: ±0,005; ±0,01; ±0,02;
±0,05; ±0,1; ±0,5; ±1
5Ω - 30Ω: ±0,1; ±0,5; ±1
30Ω - 400k: ±0,005; ±0,01;
±0,02; ±0,05; ±0,1;
±0,5; ±1
5Ω - 30Ω: 5ppm
30Ω - 400k: 1*; 2,5; 5ppm
1Ω - 5Ω: 15ppm
5Ω - 30Ω: 5ppm
30Ω - 200k: 1*; 2,5; 5ppm
* Restricted operating temperature range 0 - 55°C
Mechanical Data
Resistance Element
Metal Foil, special alloy
Carrier
Steatit
Housing
Epoxy - Moulded
Leads
Tin plated Copper
Parameter
Test
Operating Temperature Range
-65°C to 175°C
Thermal Shock
-65°C/30 min., +125°C/30 min., 5 Cycles
±0,005%
Short Time Overload
6x Related Power, 5 sec.
Solderability
240°C, 5 sec.
Soldering Heat Resistance
260°C, 10 sec.
Insulation Resistance
100 VDC, 2 min.
Shock
100G, 6 ms, Saw Tooth, X, Y, 10x
±0,0025%
Vibration, High Frequency
20G, 10Hz-2kHz-10Hz, 20 min., X, Y, 4h each
±0,0025%
Stability
2x Related Voltage at 70°C, 1,5h ON, 0,5h OFF, 2000h
Storage Life
15 - 35°C, 15 - 75% RH, Loadfree, 10.000h
±0,005%
Covered > 95%
±0,0025%
> 10000 MΩ
±0,005% (typically)
±0,0025%
Current Noise
-42dB
Voltage Coefficient
MEGATRON Elektronik GmbH & Co. KG ▪ Hermann-Oberth-Strasse 7 ▪ 85640 Putzbrunn / Munich
Tel.: +49 89 46094-0 ▪ Fax: +49 89 46094-201 ▪ www.megatron.de ▪ info@megatron.de
0,00003%/V
Date: t
Page:t
29.4.2014
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