Ohmite: MX Series Metal Oxide Resistors
Page 1 of 2
MX Series
Standard part numbers and availability
Download Datasheet (PDF)
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**This product has been DISCONTINUED**
Metal Oxide Resistors
5% Tolerance
RoHS Compliant
Series Wattage Ohms
MX1 1
MX2 2
MX3 3
MX5 5
Dimensions (in. / mm)
Length max. Diam. max
Voltage Lead dia. (mm)
0.70
0.70
0.80
0.80
0.30-50K 0.394 / 10.0
0.30-50K 0.472 / 12.0
5-100K
5-150K
0.630 / 16.0
0.985 / 25.0
0.158 / 4.0 350
0.197 / 5.0 350
0.217 / 5.5 350
0.315 / 8.0 500
The MX Series Metal
SPECIFICATIONS
Oxide Resistors provide
stable performance at low
Material
cost and across a wide
resistance range. They can
Coating:
Flame retardant silicone
be used as a substitute for
Core:
High purity ceramic.
wirewounds when short
Terminals:
Solder-coated axial lead.
time overloads are limited
to 2.5 times rated power,
Electrical
and when higher TCRs
can be tolerated.
Max overload voltage:
MX1, MX2, MX3: 600V; MX5:
800V
FEATURES
Derating:
Linearly from 100% @ +70°C to 0% @ 155°
C
Economical
Temperature coefficient:
±350 ppm/°C
High power density
Dielectric withstanding voltage:
MX1, MX2: 350V;
Flame retardant
MX3, MX5: 500V
coating
Wide resistance
range
Quantity per reel:
MX1 = 2500
MX2 = 2500
MX3 = 1000
500 (bulk
MX5 =
only)
HOW TO ORDER
Standard Product Series
General Specifications
Power Rating @ 70°C
Power Derating
Temperature
MX1
1W
MX2
2W
MX3
3W
MX5
5W
Linearly from 100% @ +70°C to 0% @ + 155°C
http://www.ohmite.com/cgi-bin/showpage.cgi?product=mx_series
9/5/2009
Ohmite: MX Series Metal Oxide Resistors
Page 2 of 2
Coefficient
±350 ppm / °C
350
600
350
0.3 ohm - 50
Kohm
0.472/12.0
0.197/5.0
350
600
500
0.3 ohm - 50
Kohm
0.630/16.0
0.217/5.5
500
800
500
5.0 ohm - 150
Kohm
0.984/25.0
0.315/8.0
0.031/.8
Operating Temperature -55°C to +155°C
Max. Working Voltage 350
Max. Overload Voltage 600
Dielectric Withstanding
350
Voltage
Resistance Range (W)
0.3 ohm - 50
Kohm
0.394/10.0
0.157/4.0
Dimensions (in./mm)
L (max.)
D (max.)
d +0.0008/0.02 -
0.027/.7
0.027/.7
0.031/.8
0.002/0.05
Note: Extended resistance range to 1Meg W available by special request.
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IL 60008
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http://www.ohmite.com/cgi-bin/showpage.cgi?product=mx_series
9/5/2009