Metal Film Resistors
■
PRODUCT FEATURES：
1.
2.
3.
LOW NOISE
LOW T.C.R. 100ppm, 50ppm, 25ppm, 10ppm, 5ppm.
HIGH PRECISION 1%, 0.5%, 0.25%, 0.1%
■
Dimension
TYPE / Rated Power at 70℃
℃
L
Standard
Miniature
D
H
d
Comment
Standard Series:
Blue Color Epoxy
Coating
Miniature Series:
Blue Color Epoxy
Coating
Unit: mm
1/8W
1/4W
1/2W
1W
2W
■
1/4WS
1/2WS
1WS
2WS
3WS
3.3± 0.4
0.2
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
1.8±0.3
29±2.0
0.43±0.05
2.3±0.3
3.2±0.5
4.5±0.5
5.0±0.5
28±2.0
26±2.0
35±2.0
32±2.0
0.5±0.03
0.6±0.03
0.76±0.03
0.76±0.03
Electrical Characteristics
Power Rating at 70℃
℃
Operating Temp.
Range
Max. Working Voltage
Max. Overload Voltage
Dielectric
Withstanding Voltage
Resistance Range
(±1%,
±
0.5%)
±
Resistance Range
(±0.25%,
±
0.1%)
±
200V
400V
300V
200V
400V
400V
250V
500V
500V
300V
600V
500V
1/8W
1/4WS
1/4W
1/2WS
1/2W
1WS
1W
2WS
2W
3WS
－55℃
to
＋155℃
350V
700V
500V
400V
800V
700V
450V
1000V
1000V
500V
1000V
1000V
500V
1000V
1000V
500V
1000V
1000V
10Ω~1MΩ
100Ω~100KΩ
E96 series
E192 series
Value range for standard resistance，below or over this resistance on request.
■
Power Graph (℃)
℃
70℃
■
Hot-Spot Temperature (%)
SURFACE TEMP. RISE ( )
MR 2WS
MR 200 / MR 1WS
MR 100 / MR 50S
MR 50 / MR 25S
MR 25
MR 12
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
1/8W, 1/4W, 1/4WS, 1/2W, 1/2WS,
1W, 1WS, 2W, 2WS, 3WS
Max. Value of Temp. Coefficient ppm/℃
℃
±15ppm/℃
±25ppm/℃
±50ppm/℃
±100ppm/℃
■
Environmental Characteristics
Performance Test
SHORT TIME OVERLOAD
TEMPERATURE COEFFICIENT
(T.C.R.)
DIELECTRIC
WITHSTANDING VOLTAGE
PULSE OVERLOAD
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℃
℃
JIS-C5202 5.7
JIS-C5202 5.8
4 times RCWV for 10000cycles (1sec. on
JIS-C5202 5.6
JIS-C5202 7.10
In V-Block
25secs. off)
±
(0.75%+0.05Ω)
Ω
In V-Block for 60 seconds
By Type
By Type
INSULATION RESISTANCE
10000MΩ
Ω
LOAD LIFE
70℃ at RCWV for 1000hrs.(1.5hrs. on
℃
0.5hrs. off)
±
(1.5%+0.05Ω)
Ω
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
260±5℃ for 2±0.5 seconds
± ℃
±
±
(1.5%+0.05Ω)
Ω
SOLDER ABILITY
95% min. coverage
No deterioration of
coatings and markings
Tensile:
2.5kg
RESISTANCE TO SOLVENT
Trichroethane for 1 min. with ultrasonic
Direct load for 10 sec. in the direction off the terminal
TERMINAL STRENGTH
leads.
Rated continuous Working Voltage (RCWV) =
POWER
.RATING. * RESISTANCE.VALUE
TEL: 886-7-7884328
FAX: 886-7-7884320
E-mail:
service@everohms.com
http://www.everohms.com
■
Parts Number Explanation
■Example
MF
Product
Type
1/8W
Type
1/8W
1/4W
1/3W
1/2WS
1/2W
1/4WS
1W
1WS
2W
2WS
3W
D
Resistor
Tolerance
B：±0.1%
C：±0.25%
D：±0.5%
F：±1%
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
电子工程世界
MicroPython开源版块
