General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
Issue March 2004
55
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General
Purpose
• •
• •
• Flameproof
• •
• •
• Meets overload test of UL#1412
• •
• •
• Meets solvent test of method 215 of MIL-STD-202
• •
• •
• Low cost alternative for power carbon composition
and wirewounds
••
••
• TCR ±200 ppm
••
••
• Coating meets UL-94V-0
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com
0 25 50 75 100 125 150 175 200 225
0
20
40
60
80
100
1K
0
0.1
0.2
0.3
0.4
0.5
-20
-14
-10
-8
-6
3K500 5K 10K 30K50K100K 300K
Percent Rated Load
Ambient Temperature (°C)
Noise (µV/v)
Nominal Resistance (ohms)
Current NoisePower - Temperature Derating
DIMENSIONS (Inches and (mm)):
Surface Temperature Rise vs Load
MO SERIES
METAL OXIDE RESISTORS
Load Factor(%)
Temperaure Rise (°C)
0 25 50 75 100
150
100
50
0
MO1
MO2
MO3
MO1/2
HOW TO ORDER:
Sample Part No.:
MOM-1 1001 J
IRC Type
Size
Resistance
Value
3 digit range and
1 digit multiplier
Tolerance
J = 5%, F = 1%
MO 1/2
MO 1
MO 2
MO 3
MO 5
A
1.10±0.08 (28.0±2.0)
1.10±0.08 (28.0±2.0)
1.50±0.12 (38.0±3.0)
1.50±0.12 (38.0±3.0)
1.50±0.12 (38.0±3.0)
B
0.35±0.04 (9.0±1.0)
0.43±0.04 (11.0±1.0)
0.59±0.02 (15.0±0.5)
0.98±0.04 (25.0±2.0)
1.61±0.04 (41.0±1.0)
C
0.028±0.002 (0.70±0.05)
0.028±0.002 (0.70±0.05)
0.031±0.002 (0.80±0.05)
0.031±0.002 (0.80±0.05)
0.031±0.002 (0.80±0.05)
D
0.12±0.02 (3.0±0.5)
0.16±0.02 (4.0±0.5)
0.22±0.04 (5.5±1.0)
0.34±0.04 (8.5±1.0)
0.34±0.04 (8.5±1.0)
PACKAGING:
MO 1: 2500/reel
MO 2: 1000/reel
MO 3: 1000/ammo box
MO 5: 1000/bulk box
All Above: 1000/bulk box
AB A
C
D
PERFORMANCE CHARACTERISTICS (Tested Per MIL-R-22684 Rev. C):
ELECTRICAL
Power Ratings @ 70°C (watts)
Derated to 0 Load at
Maximum Working Voltage (volts)
Operating Temperature Range
Resistance Range (ohms)
Moisture Resistance
Thermal Shock
Load Life @ 70°C - 1000 hrs.
Shock and Vibration
Resistance to Soldering Heat
Terminal Strength
Dielectric Withstand Voltage
Maximum Pulse Voltage
Insulation Resistance
Voltage Coefficient
Short Time Overload
MO 1/2
1/2
200°C
250
-55°C to +200°C
0.1 - 75K (±5%)
0.1 - 75K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
400V RMS
400V
10,000 meg min.
0.001%/V
±(0.5+0.05Ω)
MO 1
1
200°C
350
-55°C to +200°C
0.1 - 120K (±5%)
0.1 - 100K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
700V RMS
750V
10,000 meg min.
0.001%/V
±(0.5+0.05Ω)
MO 2
2
200°C
350
-55°C to +200°C
0.1 - 150K (±5%)
0.1 - 120K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
700V RMS
1000V
10,000 meg min.
0.001%/V
±(0.5+0.05Ω)
MO 3
3
200°C
500
-55°C to +200°C
1 - 150K (±5%)
10 - 10K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
800V RMS
1500V
10,000 meg min.
0.001%/V
±(0.5+0.05Ω)
MO 5
5
200°C
750
-55°C to +200°C
1 - 180K (±5%)
10 - 10K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
800V RMS
1500V
10,000 meg min.
0.001%/V
±(0.5+0.05Ω)
Environmental (Operating Temperature Range: -55°C to +200°C)
A subsidiary of
TT electronics plc
Issue Preliminary
0701
56
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to
print.
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
General
Purpose
• •
• •
• Flame proof - Meets overload test of UL #1412
• •
• •
• Ideal substitute where size restraints apply
• •
• •
• Offers all electrical/performance characteristics
of the standard size Metal Oxide product
• •
• •
• TCR ±200 ppm
••
••
• Coating meets UL-94V-0
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com
Power - Temperature Derating Surface Temperature Rise vs Load
METAL OXIDE MINI SERIES RESISTORS
MOM SERIES
MOM 1/2
1/2
200°C
250
-55°C to +200°C
0.1 - 47K (±5%)
0.1 - 47K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
400V
400V
10,000 meg min.
0.001%/V
±(0.5%+0.05Ω)
MOM 5
5
200°C
500
-55°C to +200°C
1 -150K (±5%)
100 - 4.99K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
800V
1000V
10,000 meg min.
0.001%/V
±(0.5%+0.05Ω)
PERFORMANCE CHARACTERISTICS (Tested Per MIL-R-22684 Rev. C):
ELECTRICAL
Power Ratings @ 70°C (watts)
Derated to 0 Load at
Maximum Working Voltage (volts)
Operating Temperature Range
Resistance Range (ohms)
Moisture Resistance
Thermal Shock
Load Life @ 70°C - 1000 hrs.
Shock and Vibration
Resistance to Soldering Heat
Terminal Strength
Dielectric Withstand Voltage
Maximum Pulse Voltage
Insulation Resistance
Voltage Coefficient
Short Time Overload
MOM 1
1
200°C
350
-55°C to +200°C
0.1 - 75K (±5%)
0.1 - 75K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
600V
750V
10,000 meg min.
0.001%/V
±(0.5%+0.05Ω)
MOM 2
2
200°C
350
-55°C to +200°C
0.1 - 100K (±5%)
0.1 - 100K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
600V
750V
10,000 meg min.
0.001%/V
±(0.5%+0.05Ω)
MOM 3
3
200°C
350
-55°C to +200°C
0.1 - 120K (±5%)
0.1 - 120K (±1%)
±1.5%
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
600V
750V
10,000 meg min.
0.001%/V
±(0.5%+0.05Ω)
Environmental (Operating Temperature Range: -55°C to +200°C)
DIMENSIONS (Inches and (mm)):
0 25 50 75 100 125 150 175 200 225
0
20
40
60
80
100
Percent Rated Load
Ambient Temperature (°C)
PACKAGING:
MOM 1/2: 5000/reel
MOM 1, 2: 2500/reel
MOM 3: 1000/reel
MOM 5: 1000/ammo box
All Above: 1000/bulk box
AB A
C
D
A
1.10±0.08 (28.0±2.0)
1.10±0.08 (28.0±2.0)
1.10±0.08 (28.0±2.0)
1.50±0.12 (38.0±3.0)
1.50±0.12 (38.0±3.0)
B
0.24±0.01 (6.0±0.3)
0.35±0.04 (9.0±1.0)
0.43±0.04 (11.0±1.0)
0.59±0.02 (15.0±0.5)
0.98±0.04 (25.0±2.0)
C
0.024±0.002 (0.60±0.05)
0.028±0.002 (0.70±0.05)
0.031±0.002 (0.80±0.05)
0.031±0.002 (0.80±0.05)
0.031±0.002 (0.80±0.05)
D
0.09±0.01(2.3±0.2)
0.12±0.02(3.0±0.5)
0.16±0.02(4.0±0.5)
0.22±0.02(5.5±0.5)
0.34±0.04(8.5±1.0)
MOM 1/2
MOM 1
MOM 2
MOM 3
MOM 5
Load Factor(%)
Temperaure Rise (°C)
HOW TO ORDER:
Sample Part No.:
MOM-1 1001 J
IRC Type
Size
Resistance
Value
3 digit range and
1 digit multiplier
Tolerance
J = 5%, F = 1%
0 25 50 75 100
150
100
50
MOM1
MOM2
MOM3
MOM1/2
1K
0
0.1
0.2
0.3
0.4
0.5
-20
-14
-10
-8
-6
3K500 5K 10K 30K50K100K 300K
Noise (µV/v)
Nominal Resistance (ohms)
Current Noise
