Metal Oxide Flame-Proof Resistors (MO)
■
PRODUCT FEATURES：
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
LOW COST, PROMPT DELIVERY
HIGH POWER-TO-SIZE RATIO FOR SIGNIFICANT SPACE SAVINGS
EXCELLENT LONG-TIME STABILITY
COMPLETE FLAMEPROOF CONSTRUCTION UL–1412
HIGH SURGE/OVERLOAD CAPABILITY
WIDE RESISTANCE RANGE: 0.1Ω~1MΩ
CONTROLLED TEMPERATURE COEFFICIENT
RESISTANCE STANDARD TOLERANCE：±5%（CONSULT FACTORY FOR
±2%, ±1%）
COATING AND MARKING RESIST TRICHORETHELYNE, FREON, AND OTHER CLEANING AGENTS
NON-INDUCTIVE DESIGN, RESISTANCE RANGE: 0.1Ω~100Ω
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Dimension
TYPE / Rated Power at 70℃
℃
L
Standard
1/4W
1/2W
1W
2W
3W
5W
Miniature
1/2WS
1WS
2WS
3WS
5WS
7WS
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
17.5±1.0
24.5±1.0
2.3±0.3
3.2±0.5
4.5±0.5
5.0±0.5
6.5±0.5
8.5±0.5
28±2.0
26±2.0
35±2.0
32±2.0
35±2.0
35±2.0
0.55±0.03
0.65±0.03
0.76±0.03
0.76±0.03
0.78±0.03
0.78±0.03
Miniature Series:
Flameproof Coating,
Pink color
Standard Series:
Flameproof Coating,
Grey color
D
H
d
Comment
Unit: mm
■
Electrical Characteristics
Power Rating at 70℃
℃
Operating Temp.
Range
Max. Working Voltage
Max. Overload Voltage
Dielectric
Withstanding Voltage
Resistance Range
(±1%.±2%.±5%)
±
±
±
200V
350V
350V
250V
400V
350V
250V
400V
350V
300V
500V
400V
350V
600V
500V
1/4W 1/2WS 1/2W
1WS
1W
2WS
2W
3WS
3W
5WS
5W
7WS
－55℃
to
＋155℃
350V
600V
500V
350V
600V
500V
400V
700V
600V
400V
700V
600V
750V
1000V
1000V
750V
1000V
1000V
750V
1000V
1000V
1Ω~510KΩ，E24 series
Value range for standard resistance，below or over this resistance on request.
■
Power Graph (℃)
℃
70℃
■
Hot-Spot Temperature (%)
SURFACE TEMP. RISE ( )
RSF 3B 5B/RSF7WS
RSF 2WS/RSF 3WS
RSF 2B / RSF 1WS
RSF 1B
RSF 1/2B
RSF 1/4B
Rated Load(%)
Ambient Temperature (℃)
℃
TEL: 886-7-7884328
FAX: 886-7-7884320
℃
Applied Load % of RCWV
E-mail:
service@everohms.com
http://www.everohms.com
■
Temperature Coefficient (T.C.R.)
TYPE
1/4W, 1/2WS, 1/2W, 1WS
1W, 2WS, 2W, 3WS, 3W, 5W, 5WS, 7WS
±300
ppm
Max. Value of Temp. Coefficient ppm/℃
℃
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Environmental Characteristics
Performance Test
SHORT TIME OVERLOAD
TEMPERATURE COEFFICIENT
(T.C.R.)
DIELECTRIC WITHSTANDING
VOLTAGE
PULSE OVERLOAD
JIS-C5202 5.7
JIS-C5202 5.8
4 times RCWV for 10000cycles (1sec. on，25secs. off)
，
INSULATION RESISTANCE
JIS-C5202 5.6
JIS-C5202 7.10
70℃ at RCWV for 1000hrs.(1.5hrs. on，0.5hrs. off)
℃
，
LOAD LIFE IN HUMIDITY
JIS-C5202 7.9
40±2℃ 90~95%RH at RCWV for 1000hrs.
± ℃
(1.5hrs. on，0.5hrs. off)
，
JIS-C5202 6.5
JIS-C5202 6.9
RESISTANCE TO SOLVENT
Trichroethane for 1 min. with ultrasonic
TERMINAL STRENGTH
Direct load for 10 sec. in the direction off the terminal
leads.
Rated continuous Working Voltage (RCWV) =
260±5℃ for 2±0.5 seconds
± ℃
±
±
(1.5%+0.05Ω)
Ω
In V-Block
10000MΩ
Ω
In V-Block for 60 seconds
By Type
JIS-C-5202 5.5
Test Method
2.5 times RCWV for 5 seconds
Requirements
±
(0.25%+0.05Ω)
Ω
Resistance value at room temperature and room
temperature+100℃
℃
By Type
±
(1%+0.05Ω)
Ω
LOAD LIFE
±
(1.5%+0.05Ω)
Ω
SOLDER ABILITY
95% min. coverage
No deterioration of
coatings and markings
Tensile:
2.5kg
POWER
.RATING. * RESISTANCE.VALUE
TEL: 886-7-7884328
FAX: 886-7-7884320
E-mail:
service@everohms.com
http://www.everohms.com
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Parts Number Explanation
■
Example
MO
Product
Type
1/4W
Type
1/4W
1/2WS
1/2W
1W
1WS
2W
2WS
3W
5W
5WS
7WS
F
Resistor
Tolerance
F：±1%
G：±2%
J：±5%
10R
Resistors
Value
P
Package
P、W：Tape
D：Bulk
05
Quantity
01
：
1000PCS
05
：
5000PCS
TEL: 886-7-7884328
FAX: 886-7-7884320
E-mail:
service@everohms.com
http://www.everohms.com
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