MA, MB, MC, MD Series Datasheet by Vishay Foil Resistors (Division of Vishay Precision Group)

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www.alpha-elec.co.jp
14
MA, MB, MC, MD Series
For any questions, contact
sales-alpha@alpha-elec.co.jp
Document No.: 67002
Revision: 25-Apr-2016
Ultra Precision Resistor (Transfer Molded)
MA
MB MD MC
COMPOSITION OF TYPE NUMBER
MA Y 10K000 A
Resistance value, in ohm, is expressed by a series of six
characters, five of which represent significant digits. R or K
is a dual-purpose letter that designates both the value range
(R for ohmic; K for kilo-ohm) and the location of decimal point.
CONFIGURATION (DIMENSIONS IN mm)
Type MA MC MB MD
L7.9±0.2 13.0±0.3 7.4±0.2
L11.0 max. 1.5 max. 0.8 max.
W8.3±0.2 10.0±0.3 6.0±0.2
W18.0±0.2 9.5±0.3 5.7±0.2
W20.3 max. 0.5 max. 0.4 max.
T2.8±0.2 2.3±0.2 4.0±0.3 2.3±0.2
F3.81±0.25 5.08±0.25 7.5±0.5 5.08±0.25
25±10 10±3
dDia. 0.65±0.05
TCR, RESISTANCE RANGE, TOLERANCE,
RATED POWER
Type
TCR (ppm/°C)
–55°C to
+125°C*
Resistance
Range
(Ω)
Resistance
Tolerance (%)*†
Rated
Power
(W)
at 125°C
MA
MC
0±15 (W) 1 to 5 ±0.5 (D) ±1 (F)
0.3
(0.2 at
150 kΩ or
above)
0±5 (X) 5 to 30 ±0.1 (B) ±0.5 (D)
±1 (F)
0±5 (X)
0±2.5 (Y)
0±1 (Z)**
30 to 200k
±0.005 (V) ±0.01 (T)
±0.02 (Q) ±0.05 (A)
±0.1 (B) ±0.5 (D)
±1 (F)
MB
0±5 (X) 5 to 30 ±0.1 (B) ±0.5 (D)
±1 (F) 0.5
(0.3 at
200 kΩ or
above)
0±5 (X)
0±2.5 (Y)
0±1 (Z)**
30 to 400k
±0.005 (V) ±0.01 (T)
±0.02 (Q) ±0.05 (A)
±0.1 (B) ±0.5 (D)
±1 (F)
MD
0±5 (X) 5 to 30 ±0.1 (B) ±0.5 (D)
±1 (F)
0.125
0±5 (X)
0±2.5 (Y) 30 to 100 ±0.05 (A) ±0.1 (B)
±0.5 (D) ±1 (F)
0±5 (X)
0±2.5 (Y)
0±1 (Z)**
100 to 80k
±0.01 (T) ±0.02 (Q)
±0.05 (A) ±0.1 (B)
±0.5 (D) ±1 (F)
* Symbols in parentheses are for type number composition.
† Resistance figures are the values obtained by measuring the leads
at point 12.7±3.2 mm away from the base for Type MA and at point
5.0±1.0 mm for Types MC, MB and MD, but, in case of resistance below
10 ohm, the value at 1.6±0.6 mm away from the base for all types.
**Temperature characteristic Z is applicable for temperature range
between 0°C and 60°C.
POWER DERATING CURVE
Ambient Temperature
Rated Power Percentage
25 50 75
70
100
200
150
100
50
(%)
(C)175125 150
DSCC SPECIFICATIONS
97009
97010
97011
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www.alpha-elec.co.jp
15
MA, MB, MC, MD Series
For any questions, contact
sales-alpha@alpha-elec.co.jp
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.
Isopropyl Alcohol + Mineral Spirits
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.
VF'G ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc.
www.vpgsensors.com
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Legal Disclaimer Notice
Document No.: 63999
Revision: 15-Jul-2014
Disclaimer
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
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(collectively, “VPG”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in
any other disclosure relating to any product.
The product specifications do not expand or otherwise modify VPG’s terms and conditions of purchase, including but
not limited to, the warranty expressed therein.
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