NOT RECOMMENDED FOR NEW DESIGN
MO
EU
resistors
metal oxide power type leaded resistor
features
•
•
•
•
Flameproof silicone coating equivalent to (UL94V0)
Suitable for automatic machine insertion
High reliability for performance
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
D
L
Ceramic Body
l
Type
d
MO1/2
MOX1/2
MO1
MOX1
Marking
Flame Retardant Coating
C
End
Cap
Lead
Wire
MO2
MOX2
MO3
MOX3
L
.354±.039
(9.0±1.0)
.472±.039
(12.0±1.0)
.610±.039
(15.5±1.0)
.965±.039
(24.5±1.0)
Dimensions
inches
(mm)
C (max.)
D
d (nom.)
.437
(11.1)
.59
(15.0)
.709
(18.0)
1.10
(28.0)
.126±.02
(3.2±0.5)
.157±.02
(4.0±0.5)
.236±.039
(6.0±1.0)
.354±.039
(9.0±1.0)
.031
(0.8)
.028
(0.7)
l*
.945 Min.
(24.0 Min.)
1.18±.118
(30.0±3.0)
1.50±.118
(38.0±3.0)
* Lead length changes depending on taping and forming type.
ordering information
MO
Type
MO
MOX
1
Power
Rating
1/2: 0.5W
1: 1W
2: 2W
3: 3W
C
Termination
Material
C: SnCu
T52
Taping and Forming
Axial: T52, T521, T631
Stand-off Axial: L52,
L521, L631
(MO3/MOX3 bulk
packaging only)
A
Packaging
A: Ammo
R: Reel
473
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
J
Tolerance
G: ±2%
J: ±5%
For further information
on packaging, please
refer to Appendix C.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/20/17
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
201
NOT RECOMMENDED FOR NEW DESIGN
MO
metal oxide power type leaded resistor
resistors
applications and ratings
Part
Designation
MO1/2
MO1
MO2
MO3
MOX1/2
MOX1
MOX2
MOX3
Power
Rating
@ 70°C
0.5W
1.0W
2.0W
3.0W
0.5W
1.0W
2.0W
3.0W
500V
400V
500V
±200
5.1Ω - 9.1Ω
Minimum
Dielectric
Withstanding
Voltage
400V
T.C.R.
(ppm/°C)
Max.
Resistance
Range
E-24
(G±2%)
10Ω - 47kΩ
10Ω - 100kΩ
Resistance
Range
E-24
(J±5%)
10Ω - 47kΩ
10Ω - 120kΩ
10Ω - 150kΩ
Absolute
Maximum
Working
Voltage
E =
√
P x R
350V
500V
Absolute
Maximum
Overload
Voltage
400V
600V
800V
-55°C
to
+200°C
Operating
Temperature
Range
0.2Ω - 9.1Ω
E =
√
P x R
E x 2.5
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 220 240
-55
70
235
Ambient Temperature
(°C)
Surface Temperature Rise
150
Temperature Rise (°C)
Load Life @ 70°C, 1000 Hr
+4
+2
MOX1
MO1
125
3W (L30A)
75
50
25
0
2W (L15A)
1W (L15A)
0.5W (L15A)
∆
R/R (%)
100
0
-2
-4
0
25
50
75
100
0.2
1
10
100
Resistance
(Ω)
1k
10k 47k
% Rated Power
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload (Short time)
Resistance to Solder Heat
Terminal Strength
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
Resistance to Solvent
Requirement
∆
R ±(% + 0.05Ω)
Limit
Typical
Within specified
—
tolerance
Within specified
—
T.C.R.
±1%
±0.5%
±1%
±0.5%
No lead-coming off
and loose terminals
Test Method
Measuring points are at 10mm ±1mm from the end cap.
+25°C/+125°C
Rated voltage x 2.5 or max. overload voltage for 5 seconds, whichever is lower
260°C ±5°C, 10 seconds ± 1 second
Twist 360°C, 5 times
-55°C (30 minutes), +155°C (30 minutes), 5 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
Ultrasonic washing with isopropyl alcohol for 2 minutes.
Power: 0.3W/cm
3
, f: 28kHz, Temp: 35°C ±5°C
Flame test: the test flame shall be applied and removed for each 15 seconds respectively
to repeat the cycle 5 times. Overload flame retardant: power (AC) corresponding to 2, 4,
8, 16 and 32 times the power rating shall be applied for each 1 minute until disconnection
occurs. However the applied voltage shall not exceed the value of 4 times of the
maximum operating voltage
—
±0.5%
±2%
±2%
—
±1%
±(5%+0.1Ω)
±(5%+0.1Ω)
No abnormality in
appearance. Marking
shall be easily legible
Flame Retardant
No evidence of
flaming or
self-flaming
—
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/20/17
202
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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