MO SERIES
General
Purpose
METAL OXIDE RESISTORS
•
•
•
•
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
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)
MO 1/2
1/2
200°C
250
-55°C to +200°C
0.1 - 75K (±5%)
0.1 - 75K (±1%)
DIMENSIONS
(Inches and (mm)):
A
B
A
D
PACKAGING:
MO 1:
MO 2:
MO 3:
MO 5:
All Above:
2500/reel
1000/reel
1000/ammo box
1000/bulk box
1000/bulk box
MO 1/2
MO 1
MO 2
MO 3
MO 5
100
Power - Temperature Derating
Percent Rated Load
Temperaure Rise (°C)
Noise (µV/v)
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.
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road
•
Boone, North Carolina 28607-1860
•
Tel: 828-264-8861
•
Fax: 828-264-8866
•
www.irctt.com
○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
MO 1
1
200°C
350
-55°C to +200°C
0.1 - 120K (±5%)
0.1 - 100K (±1%)
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)
Moisture Resistance
±1.5%
±1.5%
Thermal Shock
±1%
±1%
Load Life @ 70°C - 1000 hrs.
±2%
±2%
Shock and Vibration
±0.5%
±0.5%
Resistance to Soldering Heat
±0.55+0.05Ω
±0.55+0.05Ω
Terminal Strength
±0.5%
±0.5%
Dielectric Withstand Voltage
400V RMS
700V RMS
Maximum Pulse Voltage
400V
750V
Insulation Resistance
10,000 meg min.
10,000 meg min.
Voltage Coefficient
0.001%/V
0.001%/V
Short Time Overload
±(0.5+0.05Ω)
±(0.5+0.05Ω)
HOW TO ORDER:
Sample Part No.:
MOM-1 1001 J
IRC Type
Size
Resistance
Value
3 digit range and
1 digit multiplier
C
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)
Tolerance
J = 5%, F = 1%
Current Noise
0.5
0.4
0.3
0.2
0.1
0
500
1K
3K 5K 10K
-6
-8
-10
-14
-20
30K 100K 300K
50K
Surface Temperature Rise vs Load
150
MO3
100
MO1
50
MO1/2
0
MO2
80
60
40
20
0
0
25
50
75 100 125 150 175 200 225
Ambient Temperature (°C)
Nominal Resistance (ohms)
0
25
50
75
Load Factor(%)
100
A subsidiary of
TT electronics plc
Issue March 2004
55
MOM SERIES
General
Purpose
56
METAL OXIDE MINI SERIES RESISTORS
•
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
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)
MOM 1/2
1/2
200°C
250
-55°C to +200°C
0.1 - 47K (±5%)
0.1 - 47K (±1%)
MOM 1
1
200°C
350
-55°C to +200°C
0.1 - 75K (±5%)
0.1 - 75K (±1%)
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)
DIMENSIONS
(Inches and (mm)):
A
B
A
D
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
Power - Temperature Derating
100
Percent Rated Load
Noise (µV/v)
80
60
40
20
0
0
25
50
75 100 125 150 175 200 225
0.3
0.2
0.1
0
500
1K
3K 5K 10K
-10
-14
-20
30K 100K 300K
50K
Temperaure Rise (°C)
General Note
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road
•
Boone, North Carolina 28607-1860
•
Tel: 828-264-8861
•
Fax: 828-264-8866
•
www.irctt.com
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.
○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
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)
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)
Environmental
(Operating Temperature Range: -55°C to +200°C)
±1.5%
±1.5%
Moisture Resistance
±1%
±1%
Thermal Shock
±2%
±2%
Load Life @ 70°C - 1000 hrs.
±0.5%
±0.5%
Shock and Vibration
±0.55+0.05Ω
±0.55+0.05Ω
Resistance to Soldering Heat
±0.5%
±0.5%
Terminal Strength
400V
600V
Dielectric Withstand Voltage
400V
750V
Maximum Pulse Voltage
10,000 meg min.
10,000 meg min.
Insulation Resistance
0.001%/V
0.001%/V
Voltage Coefficient
±(0.5%+0.05Ω)
±(0.5%+0.05Ω)
Short Time Overload
HOW TO ORDER:
Sample Part No.:
MOM-1 1001 J
IRC Type
Size
Resistance
Value
3 digit range and
1 digit multiplier
C
A
MOM 1/2
MOM 1
MOM 2
MOM 3
MOM 5
B
C
D
1.10±0.08 (28.0±2.0) 0.24±0.01 (6.0±0.3)
1.10±0.08 (28.0±2.0) 0.35±0.04 (9.0±1.0)
0.024±0.002 (0.60±0.05) 0.09±0.01(2.3±0.2)
0.028±0.002 (0.70±0.05) 0.12±0.02(3.0±0.5)
1.10±0.08 (28.0±2.0) 0.43±0.04 (11.0±1.0) 0.031±0.002 (0.80±0.05) 0.16±0.02(4.0±0.5)
1.50±0.12 (38.0±3.0) 0.59±0.02 (15.0±0.5) 0.031±0.002 (0.80±0.05) 0.22±0.02(5.5±0.5)
1.50±0.12 (38.0±3.0) 0.98±0.04 (25.0±2.0) 0.031±0.002 (0.80±0.05) 0.34±0.04(8.5±1.0)
Tolerance
J = 5%, F = 1%
Current Noise
0.5
0.4
-6
-8
Surface Temperature Rise vs Load
150
MOM3
MOM2
MOM1
50
100
MOM1/2
0
25
50
75
Load Factor(%)
100
Ambient Temperature (°C)
Nominal Resistance (ohms)
A subsidiary of
TT electronics plc
Issue Preliminary
0701
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