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FMF-25FBEFK4M12

Description
Fixed Resistor, Metal Film, 0.25W, 4120000ohm, 250V, 1% +/-Tol, -50,50ppm/Cel,
CategoryPassive components    The resistor   
File Size153KB,3 Pages
ManufacturerYAGEO
Websitehttp://www.yageo.com/
Environmental Compliance
Download Datasheet Parametric View All

FMF-25FBEFK4M12 Overview

Fixed Resistor, Metal Film, 0.25W, 4120000ohm, 250V, 1% +/-Tol, -50,50ppm/Cel,

FMF-25FBEFK4M12 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid746922114
Reach Compliance Codecompliant
ECCN codeEAR99
structureCylindrical
JESD-609 codee3
Lead diameter0.55 mm
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter2.4 mm
Package length6.3 mm
Package shapeCYLINDRICAL PACKAGE
Package formAxial
method of packingBulk
Rated power dissipation(P)0.25 W
resistance4120000 Ω
Resistor typeFIXED RESISTOR
seriesFMF
technologyMETAL FILM
Temperature Coefficient50 ppm/°C
Terminal surfaceTin (Sn)
Tolerance1%
Operating Voltage250 V
Through-hole resisTors
Metal Film Resistors
Flame-Proof Type
Normal & Miniature Style [ FMF Series ]
FeATures
Power Rating
Resistance Tolerance
T.C.R.
Flameproof Multi-layer Coating Meets
Flameproof Feature Meets Overload Test
1/4W, 1/2W, 1W, 2W, 3W
±1%
±50ppm/°C, ±100ppm/°C
UL-94V-0
UL-1412
iNTroDuCTioN
The FMF Series Metal Film Flame-Proof
Resistors are manufactured using a vacuum
sputtering system to deposit multiple layers of
mixed metal alloys and passivative materials
onto a carefully treated high grade ceramic
substrate. After a helical groove has been cut
in the resistive layer, tinned connecting leads of
electrolytic copper are welded to the end-caps.
The resistors are coated with layers of gray
color lacquer.
DerATiNg CurVe
For resistors operated in ambient temperatures above 70°C, power rating must be derated
in accordance with the curve below.
Rated Load (%)
70
100
80
60
40
20
20
40
60
80
100 120 140 160
155 °C
Ambient Temperature (°C)
DiMeNsioNs
sTYle
Normal
ød
H
L
øD
FMF-25
FMF-50
FMF100
FMF200
Miniature
FMF50S
FMF1WS
FMF2WS
FMF3WS
DiMeNsioN
l
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
øD
2.4±0.2
3.3±0.3
4.5±0.5
5.0±0.5
h
28±2.0
26±2.0
35±2.0
33±2.0
Unit: mm
ød
0.55±0.05
0.55±0.05
0.8±0.05
0.8±0.05
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