MFR-25SFRF52255K [YAGEO]
Fixed Resistor, Metal Film, 0.25W, 255000ohm, 200V, 1% +/-Tol, 100ppm/Cel, Through Hole Mount, AXIAL LEADED;
| 型号： | MFR-25SFRF52255K |
| 厂家： | 
YAGEO CORPORATION |
| 描述： | Fixed Resistor, Metal Film, 0.25W, 255000ohm, 200V, 1% +/-Tol, 100ppm/Cel, Through Hole Mount, AXIAL LEADED 电阻器 |
| 文件： | 总2页 (文件大小：34K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
YAGEO CORPORATION LEADED RESISTO RS
Metal Film Resistors
MFR Series
Normal & Miniature Style
FEATURES
Power Rating
Resistance Tolerance
T.C.R.
1/6W, 1/4W, 1/2W, 1W, 2W
±0.1%, ±0.25%, ±0.5%, ±1%
±15ppm/ºC, ±25ppm/ºC, ±50ppm/ºC, ±100ppm/ºC
DERATING CURVE
70ºC
Rated Load (%)
100
80
INTRODUCTION
The MFR Series Metal Film Resistors are
manufactured using vacuum sputtering system
to deposit multiple layers of mixed metals and
passivative materials onto a carefully treated
high grade ceramic substrate, the resistors are
coated with layers of blue lacquer.
60
40
20
20
40 60
80 100 120 140 160 180
AmbientTemperature (ºC)
HOT-SPOT TEMPERATURE
Measuring Position
Surface Temp. Rise (ºC)
200
150
100
50
MFR2WS
MFR200 MFR1WS
MFR100 MFR50S
MFR-50
MFR25S
MFR-25
MFR-12
Applied Load, % of RCWV
0
25
50
75
100
DIMENSIONS
Unit : mm
STYLE
DIMENSIO N
L
Norm al
MFR-12
MFR-25
MFR-50
MFR100
MFR200
Miniature
øD
H
ød
MFR25S
MFR50S
MFR1WS
MFR2WS
–
3.3±0.4
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
1.8±0.3
2.3±0.3
3.2±0.5
4.5±0.5
5.0±0.5
28±2.0
28±2.0
26±2.0
35±2.0
33±2.0
0.5±0.05
0.6±0.05
0.6±0.05
0.8±0.05
0.8±0.05
ød
H
L
øD
2
Note :
ELECTRICAL CHARACTERISTICS
STYLE
MFR-12
MFR25S MFR-25
MFR50S MFR-50
MFR1W S MFR100
MFR2W S MFR200
Power Rating at 70ºC
1/6W
1/4W
1/2W
1W
2W
OperatingTemp. Range
Maximum WorkingVoltage
Maximum Overload Voltage
Dielectric WithstandingVoltage
Value Range ±0.5%, ±1%
Value Rang ±0.1%, ±0.25%
Temperature Coefficient (byType)
-55ºC to +155ºC
200V
200V
250V
500V
500V
300V
600V
500V
350V
700V
500V
400V
800V
700V
500V
500V
500V
400V
400V
400V
1000V
1000V
1000V
1000V
1000V
1000V
300V
10Ω~1MΩ
100Ω~100KΩ
±15ppm/ºC, ±25ppm/ºC, ±50ppm/ºC, ±100ppm/ºC
* Resistance Range for standard resistance, below or over this resistance on request.
ENVIRONMENTAL CHARACTERISTICS
PERFORMANCE TEST
Short Time Overload
TEST METHO D
JIS-C-5202 5.5
JIS-C-5202 5.7
JIS-C-5202 5.2
JIS-C-5202 5.6
JIS-C-5202 6.5
APPRAISE
2.5Times RCW V for 5 Seconds
inV-Block for 60 Seconds
-55ºC to +155ºC
±(0.25%+0.05Ω)
byType
Dielectric WithstandingVoltage
Temperature Coefficient of Resistance
Insulation Resistance
byType
inV-Block
>10000MΩ
Solderability
235ºC for 5±0.5 Seconds
95% Min. Coverage
No Deterioration of
Resistance to Solvent
JIS-C-5202 6.9
Trichroethane for 1 Min. with Ultrasonic
Coatings and Markings
Ter minal Strength
Pulse Overload
Direct load for 10 Sec. inThe Direction of The Terminal Leads
≥2.5kg (24.5N)
JIS-C-5202 5.8
JIS-C-5202 7.9
4 Times RCW V 10000 Cycles (1 Sec. on , 25 Sec. off)
±(2%+0.05Ω)
40±2ºC, 90~95% RH at RCW V for 1000 Hrs.
(1.5 Hrs. on , 0.5 Hrs. off )
Load Life in Humidity
±(1.5%+0.05Ω)
Load Life
JIS-C-5202 7.10
JIS-C-5202 7.4
JIS-C-5202 6.4
70ºC at RCW V for 1000 Hrs. (1.5 Hrs. on , 0.5 Hrs. off)
±(1.5%+0.05Ω)
±(0.25%+0.05Ω)
±(0.25%+0.05Ω)
➞
➞
➞
Temperature Cycling
Resistance to Soldering Heat
-55ºC RoomTemp. +155ºC RoomTemp. for 5 Cycles
350ºC±10ºC for 3±0.5 Seconds
* Rated Continuous WorkingVoltage (RCW V)= Power Rating x Resistance Value
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