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MFR-25FRE681K

Description
Fixed Resistor, Metal Film, 0.25W, 681000ohm, 250V, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED
CategoryPassive components    The resistor   
File Size87KB,2 Pages
ManufacturerYAGEO
Websitehttp://www.yageo.com/
Environmental Compliance  
Download Datasheet Parametric View All

MFR-25FRE681K Overview

Fixed Resistor, Metal Film, 0.25W, 681000ohm, 250V, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED

MFR-25FRE681K Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerYAGEO
package instructionAxial,
Reach Compliance Codecompliant
ECCN codeEAR99
structureTubular
JESD-609 codee3
Lead diameter0.6 mm
Lead length28 mm
Manufacturer's serial numberMFR
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter2.4 mm
Package length6.3 mm
Package shapeTUBULAR PACKAGE
Package formAxial
method of packingTR, PAPER
Rated power dissipation(P)0.25 W
Rated temperature70 °C
resistance681000 Ω
Resistor typeFIXED RESISTOR
seriesMFR-25(FTOL)
surface mountNO
technologyMETAL FILM
Temperature Coefficient50 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWIRE
Tolerance1%
Operating Voltage250 V
leaded resIsTOrs
Metal Film Resistors
MFR Type
Normal & Miniature Style [ MFR Series ]
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
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.
Rated Load (%)
100
80
60
40
20
20
40
60
80
100
120 140
160
180
70ºC
Ambient Temperature (ºC)
HOT
-sPOT TeMPeraTUre
Surface Temp. Rise (ºC)
200
150
100
50
Measuring Position
MFR2WS
MFR200
MFR100
MFR-50
MFR-25
MFR-12
0
25
50
75
100
MFR1WS
MFR50S
MFR25S
Applied Load, % of RCWV
dIMeNsIONs
sTYle
Normal
MFR-12
ød
H
L
øD
MFR-25
MFR-50
MFR100
MFR200
Miniature
MFR25S
MFR50S
MFR1WS
MFR2WS
-
dIMeNsION
l
3.4±0.3
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
ød
1.9±0.2
2.4±0.2
3.3±0.3
4.5±0.5
5.0±0.5
H
28±2.0
28±2.0
26±2.0
35±2.0
33±2.0
ød
Unit : mm
0.5±0.05
0.6±0.05
0.6±0.05
0.8±0.05
0.8±0.05
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