MFR-25FBDFKK221R datasheet, PDF

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MFR-25FBDFKK221R: DescriptionFixed Resistor, Metal Film, 0.25W, 221ohm, 250V, 1% +/-Tol, -25,25ppm/Cel,; CategoryPassive components The resistor; File Size227KB，2 Pages; ManufacturerYAGEO; Websitehttp://www.yageo.com/; Environmental Compliance

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MFR-25FBDFKK221R Overview

Fixed Resistor, Metal Film, 0.25W, 221ohm, 250V, 1% +/-Tol, -25,25ppm/Cel,

MFR-25FBDFKK221R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	750579855
Reach Compliance Code	compliant
Country Of Origin	Mainland China
ECCN code	EAR99
YTEOL	6.95
structure	Cylindrical
JESD-609 code	e3
Lead diameter	0.55 mm
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package diameter	2.4 mm
Package length	6.3 mm
Package shape	CYLINDRICAL PACKAGE
Package form	Axial
method of packing	Bulk
Rated power dissipation(P)	0.25 W
resistance	221 Ω
Resistor type	FIXED RESISTOR
series	MFR
technology	METAL FILM
Temperature Coefficient	25 ppm/°C
Terminal surface	Matte Tin (Sn)
Tolerance	1%
Operating Voltage	250 V

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Leaded ResistoRs

Metal Film Resistors

General Type

Normal & Miniature Style [ MFR Series ]

FeatURes

Power Rating

Resistance Tolerance

T.C.R.

1/6W, 1/4W, 1/2W, 1W, 2W, 3W

±0.5%, ±1%, ±5%

±15ppm/°C, ±25ppm/°C, ±50ppm/°C, ±100ppm/°C

deRatiNG CURVe

iNtRodUCtioN

The MFR Series Metal Film 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 blue color lacquer.

For resistors operated in ambient temperatures above 70°C, power rating must be derated

in accordance with the curve below.

Rated Load (%)

100

100 120 140 160

155 °C

Ambient Temperature (°C)

diMeNsioNs

stYLe

Normal

MFR-12

ød

øD

MFR-25

MFR-50

MFR100

MFR200

Miniature

MFR25S

MFR50S

MFR1WS

MFR2WS

MFR3WS

diMeNsioN

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

28±2.0

26±2.0

35±2.0

33±2.0

Unit: mm

ød

0.45±0.05

0.55±0.05

0.8±0.05

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