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15
MA, MB, MC, MD Series
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Document No.: 67002
Revision: 25-Apr-2016
FREQUENCY CHARACTERISTICS
110 100
Frequency
R(AC)/R(DC)
150
100
50
(MHz)
(%)
100Ω
50Ω
1 k
Ω
10 k
Ω
50 k
Ω
MA, MC
TEMPERATURE OF RESISTOR SURFACE
PERFORMANCE
Parameters Test Condition
MIL-PRF-55182/9
Specification
ALPHA Typical
Test Data
Maximum Rated Operating Temperature
Working Temperature Range
Maximum Working Voltage
125°C
–65°C to +175°C
MA, MC=300V, MB=350V, MD=250V
Power Conditioning
Thermal Shock
Overload
125°C, Rated Power, 100 hrs.
–65°C/30 min. ↔ +150°C/30 min., 5 cycles
Rated Power x 6.25, 5 sec.
±(0.20%+0.01Ω)
±0.05%
±0.05%
±0.005%
±0.005%
±0.005%
Solderability
Resistance to Solvents
Steam Aging 8 hrs., 245°C, 5 sec.
➊ Isopropyl Alcohol + Mineral Spirits
➋ Water + Butyl Cellosolve + Monoethanolamine
over 95% coverage
no damage
over 95% coverage
no damage
Low Temperature Storage
Low Temperature Operation
Terminal Strength
–65°C, 24 hrs.
–65°C, Rated Voltage, 45 min.
0.908 kg (2 pounds), 10 sec
±0.05%
±0.05%
±0.02%
±0.0025%
±0.0025%
±0.0025%
Dielectric Withstanding Voltage
Insulation Resistance
Resistance to Soldering Heat
Moisture Resistance
Atmo.Pres.: 300V rms. Baro. Pres. 8 mHg: 200V rms.
DC 100V, 2 min.
+260°C, 10 sec.
+65°C to –10°C, 90% RH to 98% RH, Rated Voltage,
10 cycles (240 hrs.)
±0.02%
over 10,000 MΩ
±0.02%
±0.05%
±0.0025%
over 10,000 MΩ
±0.0025%
±0.01%
Shock (Specified Pulse)
Vibration, High Frequency
100G, 6 ms, Sawtooth Wave, X, Y, each 10 shocks
20G, 10 Hz to 2,000 Hz to 10 Hz, 20min., X, Y, each 4 hrs.
±0.01%
±0.02%
±0.0025%
±0.0025%
Life 125°C, Rated Voltage, 1.5 hr. – ON, 0.5 hr. – OFF, 2,000 hrs. ±0.05% ±0.015%
Life 70°C Power Rating 70°C, Rated Voltage x 2, 1.5 hr. – ON, 0.5 hr. – OFF, 2,000 hrs. ±0.05% ±0.015%
Storage Life 15°C to 35°C, 15% RH to 75% RH, No Load, 10,000 hrs. ±0.005% ±0.0025%
High Temperature Exposure 175°C, No Load, 2,000 hrs. ±0.5% ±0.015%
Current Noise
Voltage Coefficient
Thermal EMF
-32 dB
0,0005%/V
1.0 µV/°C
-42 dB
0,00003%/V
1.0 µV/°C
Type MA meets requirements of MIL-PRF-55182/9.