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MF1/8WC78K7W05

Description
Fixed Resistor, Metal Film, 0.125W, 78700ohm, 200V, 0.25% +/-Tol,
CategoryPassive components    The resistor   
File Size98KB,3 Pages
ManufacturerEVER OHMS TECHNOLOGY CO.,LTD.
Websitehttp://www.everohms.com/
Tianer Technology was established in 1988 and has the R&D capabilities and manufacturing technology for chip resistors and arrays. In the face of today's diverse customer needs, we continue to invest in the development of high-quality products and new manufacturing technologies, and provide customers with a one-time purchase service for multiple components to fully meet customer needs and improve customer satisfaction with our products. In terms of quality management, our company has passed ISO-9001, ISO-TS16949, TTQS certification and complies with the AEC-Q200 automotive electronics self-testing standard. We continuously improve the quality of our products and services through the analysis and improvement of product yield rate indicators, customer satisfaction surveys and other reports, in order to enhance customer trust in our company and establish a good partnership with our customers.
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MF1/8WC78K7W05 Overview

Fixed Resistor, Metal Film, 0.125W, 78700ohm, 200V, 0.25% +/-Tol,

MF1/8WC78K7W05 Parametric

Parameter NameAttribute value
MakerEVER OHMS TECHNOLOGY CO.,LTD.
Reach Compliance Codeunknown
ECCN codeEAR99
structureCylindrical
Lead diameter0.43 mm
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter1.8 mm
Package length3.3 mm
Package shapeCYLINDRICAL PACKAGE
Package formAxial
method of packingTape
Rated power dissipation(P)0.125 W
resistance78700 Ω
Resistor typeFIXED RESISTOR
seriesMF
technologyMETAL FILM
Tolerance0.25%
Operating Voltage200 V

MF1/8WC78K7W05 Preview

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
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