MX Series

This product has been
MX Series
DISCONTINUED
The MX Series Metal Oxide
Resistors provide stable performance at low cost across a
wide resistance range. They
can be used as a substitute for
wirewounds when short time
overloads are limited to 2.5
times rated power, and when
higher TCRs can be tolerated.
Metal Oxide Resistors
5% Tolerance
RoHS Compliant
28mm ± 3
(38mm on MX5)
L
D
FEATURES
Dimensions (in. / mm)
Lead Dia.
Series Wattage Ohms Max. Length Max. Diam. Voltage (mm)
MX1
1
0.30-50K 0.394 / 10.0
0.158 / 4.0
350
0.70
MX2
2
0.30-50K 0.472 / 12.0
0.197 / 5.0
350
0.70
MX3
3
5-100K 0.630 / 16.0
0.217 / 5.5
350
0.80
MX5
5
5-150K 0.985 / 25.0
0.315 / 8.0
500
0.80
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Economical
High power density
Flame retardant coating
Wide resistance range
Quantity per reel:
MX1 = 2500
MX2 = 2500
MX3 = 1000
MX5 = 500 (bulk only)
General Specifications
MX1
MX2
MX3
MX5
Power Rating @ 70°C
1W
2W
3W
5W
RoHS Compliant
������������
Linearly from 100% @ +70°C to 0% @ + 155°C
Temperature Coefficient
±350 ppm / °C
Operating Temperature
-55°C to +155°C
Max. Working Voltage
350
350
350
500
Max. Overload Voltage
600
600
600
800
Dielectric Withstanding Voltage
350
350
500
500
0.3-50KΩ
0.3-50KΩ
5.0Ω-150KΩ
Resistance Range (Ω)
0.3-50KΩ
Material
Coating: Flame retardant silicone
Core: High purity ceramic.
Terminals: Solder-coated axial
lead.
Electrical
Max overload voltage:
MX1, MX2 and MX3: 600 V
MX5: 800V
Derating: Linearly from 100% @
+70°C to 0% @ 155°C
Temperature coefficient:
±350 ppm/°C
Dielectric withstanding voltage:
MX1 and MX2: 350V
MX3 and MX5: 500V
O R D E R I N G I N F O R M AT I O N
S P E C I F I C AT I O N S
Power Derating
SPECIFICATIONS
Series
MX1 = 1W
MX2 = 2W
MX3 = 3W
MX5 = 5W
Tolerance
J = 5%
K = 10%
Ohms
Packaging Code
< 1.0 ohm = Rxx R58 = 58mm axial Tape & Reel
1.0 ohm = 1R0 R52 = 52mm axial Tape & Reel
10 ohm = 10R
A = Tape & Ammo Pac
100 ohm = 100
1000 ohm = 1K0
10,000 ohm = 10K
100,000 ohm = 100K
Dimensions (in./mm)
L (max.)
D (max.)
0.394/10.0
0.157/4.0
0.472/12.0 0.630/16.0
0.197/5.0 0.217/5.5
0.984/25.0
0.315/8.0
Lead dia. +0.0008/0.02
-0.002/0.05
0.027/0.7
0.027/0.7
0.031/0.8
0.031/0.8
Note: Extended resistance range to 1MΩ available by special request.
S TA N D A R D PA RT N U M B E R S F O R S TA N D A R D R E S I S TA N C E VA L U E S
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4,700
5,600
6,800
7,500
8,200
10,000
15,000
20,000
22,000
27,000
30,000
36,000
47,000
56,000
68,000
82,000
100,000
–––4K7
–––5K6
–––6K8
–––7K5
–––8K2
–––10K
–––15K
–––20K
–––22K
–––27K
–––30K
–––36K
–––47K
–––56K
–––68K
–––82K
–––100K
MX5J––– 5.0
–––270
–––300
–––360
–––470
–––560
–––680
–––750
–––820
–––1K0
–––1K5
–––2K0
–––2K0
–––2K7
–––3K0
–––3K6
–––3K9
MX3J––– 3.0
270
300
360
470
560
680
750
820
1,000
1,500
2,000
2,200
2,700
3,000
3,600
3,900
MX2J–––2.0
Part No.
Prefix 
Suffix
MX1J––– 1.0
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Ohmic value
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MX5J––– 5.0
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MX3J––– 3.0
MX5J––– 5.0
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MX2J–––2.0
MX3J––– 3.0
–––10R
–––15R
–––20R
–––22R
–––27R
–––30R
–––36R
–––47R
–––56R
–––68R
–––75R
–––82R
–––100
–––150
–––200
–––220
Part No.
Prefix 
Suffix
MX1J––– 1.0
MX2J–––2.0
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10.0
15.0
20.0
22.0
27.0
30.0
36.0
47.0
56.0
68.0
75.0
82.0
100
150
200
220
Ohmic value
MX1J––– 1.0
Ohmic value
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MX5J––– 5.0
MX2J–––2.0
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MX3J––– 3.0
MX1J––– 1.0
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Wattage

–––R39
–––R47
–––R56
–––R75
–––1R0
–––1R5
–––2R0
–––2R2
–––2R7
–––3R0
–––3R6
–––4R7
–––5R6
–––6R8
–––7R5
–––8R2
Part No.
Prefix 
Suffix
Wattage

Part No.
Prefix 
Suffix
Wattage

0.39
0.47
0.56
0.75
1.0
1.5
2.0
2.2
2.7
3.0
3.6
4.7
5.6
6.8
7.5
8.2

Ohmic value
Wattage
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This product has been
DISCONTINUED
Ohmite Mfg. Co.
Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • [email protected]