Metal Oxide
Resistors
NOT RECOMMENDED FOR NEW DESIGNS
Metal Oxide
MO Series
(WMO-S SERIES PREFERRED)
Resistors
MO SERIES
Features
Resistors
MO Series
Flameproof
METAL OXIDE
in RoHS compliant version
Only available
RESISTORS
Flameproof
Meets overload RoHS UL#1412
•
Only available intest ofcompliant version
Flameproof
Only available
test of UL#1412
•
Meets overload
in RoHS compliant version
Meets solvent test of method 215 of MIL-STD-202
•
Low cost alternative for power carbon composition and wirewounds
Meets overload test of UL#1412
Meets solvent test of method 215 of MIL-STD-202
•
Meets solvent test of method 215 of MIL-STD-202
TCR ±200 ppm
Low cost alternative for power carbon composition and wirewounds
•
Low cost alternative for power carbon composition
TCR ±200 ppm
Coating meets UL-94V-0
and wirewounds
•
TCR ±200 ppm
Coating meets UL-94V-0
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
•
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%)
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)
General
Purpose
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%
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
±1%
±2%
±0.5%
±0.55+0.05Ω
±0.5%
400V RMS
400V
10,000 meg min.
0.001%/V
±(0.5+0.05Ω)
DIMENSIONS
(Inches and (mm)):
PACKAGING:
MO 1:
MO 2:
MO 3:
MO 5:
All Above:
2500/reel
1000/reel
1000/ammo box
1000/bulk box
1000/bulk box
HOW TO ORDER:
Sample Part No.:
MO-1 1001 J LF
IRC Type
Size
Resistance Value
3 digit range and
1 digit multiplier
A
MO 1/2
MO 1
MO 2
MO 3
MO 5
1.10±0.08 (28.0±2.0)
1.10±0.08 (28.0±2.0)
1.26±0.12 (32.0±3.0)
1.38±0.12 (35.0±3.0)
1.38±0.12 (35.0±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)
0.71±0.04 (17.5±2.0)
0.96±0.04 (24.5±1.0)
C
0.024±0.002 (0.60±0.05)
0.028±0.002 (0.70±0.05)
0.029±0.002 (0.75±0.05)
0.031±0.002 (0.80±0.05)
0.031±0.002 (0.80±0.05)
D
0.14±0.02 (3.5±0.5)
0.18±0.02 (4.5±0.5)
0.2±0.04 (5.0±1.0)
0.26±0.04 (6.5±1.0)
0.34±0.04 (8.5±1.0)
Tolerance
J = 5%, F = 1%
RoHS Compliance
LF = RoHS compliant construction
Power - Temperature Derating
Percent Rated Load
Current Noise
Temperaure Rise (°C)
Surface Temperature Rise vs Load
150
MO3
MO2
MO1
MO1/2
Noise (µV/v)
100
50
0
0
25
Ambient Temperature (°C)
Nominal Resistance (ohms)
50
75
Load Factor(%)
100
General
Note
IRC reser ves the
General
Note
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
WIREWOUND AND FILM TECHNOLOGIES DIVISION
4222 South Staples Street Corpus Christi Texas 78411 USA
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
Facsimile: 361-992-3377
Website: www.irctt.com
Telephone: 361-992-7900
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.
TT Electronics reserves the right to make changes in product specification without notice or liability.
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BI Technologies IRC Welwyn
BI Technologies IRC Welwyn
A subsidiar y of
TT electronics plc
www.ttelectronics.com/resistors
www.ttelectronics.com/resistors
Issue June 2010
55
© TT
Electronics
plc
© TT
Electronics
plc
10.21
06.18
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