MA, MB, MC, MD Series Ultra Precision Resistor (Transfer Molded) TCR, RESISTANCE RANGE, TOLERANCE, RATED POWER MA Rated TCR (ppm/C) Resistance Resistance Power Type 55C to Range Tolerance (%)* (W) +125C* () at 125C 015 (W) 1 to 5 0.5 (D) 1 (F) 0.1 (B) 0.5 (D) 05 (X) 5 to 30 0.3 1 (F) MA (0.2 at MC 150 k or 0.005 (V) 0.01 (T) 05 (X) above) 0.02 (Q) 0.05 (A) 02.5 (Y) 30 to 200k 0.1 (B) 0.5 (D) MB 01 (Z)** MD MC 1 (F) 0.1 (B) 0.5 (D) 05 (X) 5 to 30 1 (F) 0.5 (0.3 at 0.005 (V) 0.01 (T) MB 05 (X) COMPOSITION OF TYPE NUMBER 200 k or 0.02 (Q) 0.05 (A) 02.5 (Y) 30 to 400k above) 0.1 (B) 0.5 (D) 01 (Z)** 1 (F) 0.1 (B) 0.5 (D) MA Y 10K000 A 05 (X) 5 to 30 1 (F) 05 (X) 0.05 (A) 0.1 (B) 30 to 100 02.5 (Y) 0.5 (D) 1 (F) MD 0.125 05 (X) 0.01 (T) 0.02 (Q) 02.5 (Y) 100 to 80k 0.05 (A) 0.1 (B) 01 (Z)** 0.5 (D) 1 (F) Resistance value, in ohm, is expressed by a series of six characters, five of which represent significant digits. R or K * Symbols in parentheses are for type number composition. is a dual-purpose letter that designates both the value range Resistance figures are the values obtained by measuring the leads (R for ohmic K for kilo-ohm) and the location of decimal point. at point 12.73.2 mm away from the base for Type MA and at point 5.01.0 mm for Types MC, MB and MD, but, in case of resistance below 10 ohm, the value at 1.60.6 mm away from the base for all types. **Temperature characteristic Z is applicable for temperature range CONFIGURATION (DIMENSIONS IN mm) between 0C and 60C. POWER DERATING CURVE (%) 200 150 100 50 70 25 50 75 100 125 150 175( C) Ambient Temperature Type MA MC MB MD L 7.90.2 13.00.3 7.40.2 DSCC SPECIFICATIONS L 1.0 max. 1.5 max. 0.8 max. 1 97009 97010 W 8.30.2 10.00.3 6.00.2 97011 9.50.3 5.70.2 W 8.00.2 1 0.5 max. 0.4 max. W 0.3 max. 2 4.00.3 2.30.2 T 2.80.2 2.30.2 7.50.5 5.080.25 F 3.810.25 5.080.25 2510 103 d Dia. 0.650.05 www.alpha-elec.co.jp For any questions, contact Document No.: 67002 14 sales-alpha alpha-elec.co.jp Revision: 25-Apr-2016 Rated Power PercentageMA, MB, MC, MD Series PERFORMANCE MIL-PRF-55182/9 ALPHA Typical Parameters Test Condition Specification Test Data Maximum Rated Operating Temperature 125C Working Temperature Range 65C to +175C Maximum Working Voltage MA, MC=300V, MB=350V, MD=250V Power Conditioning 125C, Rated Power, 100 hrs. (0.20%+0.01) 0.005% Thermal Shock 65C/30 min. +150C/30 min., 5 cycles 0.05% 0.005% Overload Rated Power x 6.25, 5 sec. 0.05% 0.005% Steam Aging 8 hrs., 245C, 5 sec. Solderability over 95% coverage over 95% coverage Isopropyl Alcohol + Mineral Spirits Resistance to Solvents no damage no damage Water + Butyl Cellosolve + Monoethanolamine Low Temperature Storage 65C, 24 hrs. 0.05% 0.0025% Low Temperature Operation 65C, Rated Voltage, 45 min. 0.05% 0.0025% Terminal Strength 0.908 kg (2 pounds), 10 sec 0.02% 0.0025% Dielectric Withstanding Voltage Atmo.Pres.: 300V rms. Baro. Pres. 8 mHg: 200V rms. 0.02% 0.0025% Insulation Resistance DC 100V, 2 min. over 10,000 M over 10,000 M Resistance to Soldering Heat +260C, 10 sec. 0.02% 0.0025% Moisture Resistance +65C to 10C, 90% RH to 98% RH, Rated Voltage, 0.05% 0.01% 10 cycles (240 hrs.) Shock (Specified Pulse) 100G, 6 ms, Sawtooth Wave, X, Y, each 10 shocks 0.01% 0.0025% Vibration, High Frequency 20G, 10 Hz to 2,000 Hz to 10 Hz, 20min., X, Y, each 4 hrs. 0.02% 0.0025% Life 125C, Rated Voltage, 1.5 hr. ON, 0.5 hr. OFF, 2,000 hrs. 0.05% 0.015% Life 70C Power Rating 70C, Rated Voltage x 2, 1.5 hr. ON, 0.5 hr. OFF, 2,000 hrs. 0.05% 0.015% Storage Life 15C to 35C, 15% RH to 75% RH, No Load, 10,000 hrs. 0.005% 0.0025% High Temperature Exposure 175C, No Load, 2,000 hrs. 0.5% 0.015% Current Noise -32 dB -42 dB Voltage Coefficient 0,0005%/V 0,00003%/V Thermal EMF 1.0 V/C 1.0 V/C Type MA meets requirements of MIL-PRF-55182/9. FREQUENCY CHARACTERISTICS TEMPERATURE OF RESISTOR SURFACE (%) MA, MC 150 50 100 100 1 k 50 10 k 50 k 110 100 (MHz) Frequency Document No.: 67002 For any questions, contact www.alpha-elec.co.jp Revision: 25-Apr-2016 sales-alpha alpha-elec.co.jp 15 R(AC)/R(DC)