MFN-25FRF52-249R datasheet, PDF

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MFN-25FRF52-249R: DescriptionFixed Resistor, Metal Film, 0.25W, 249ohm, 250V, 1% +/-Tol, -100,100ppm/Cel,; CategoryPassive components The resistor; File Size236KB，2 Pages; ManufacturerYAGEO; Websitehttp://www.yageo.com/; Environmental Compliance

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MFN-25FRF52-249R Overview

Fixed Resistor, Metal Film, 0.25W, 249ohm, 250V, 1% +/-Tol, -100,100ppm/Cel,

MFN-25FRF52-249R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	749228624
package instruction	Axial,
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Cylindrical
JESD-609 code	e3
Lead diameter	0.55 mm
Lead length	28 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	TR
Rated power dissipation(P)	0.25 W
resistance	249 Ω
Resistor type	FIXED RESISTOR
series	MFN
technology	METAL FILM
Temperature Coefficient	100 ppm/°C
Terminal surface	Tin (Sn)
Tolerance	1%
Operating Voltage	250 V

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Leaded ResistoRs

Metal Film Resistors

Biased Humidity Type

Normal & Miniature Style [ MFN Series ]

FeatURes

Power Rating

Resistance Tolerance

T.C.R.

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

±0.5%, ±1%

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

deRatiNG CURVe

iNtRodUCtioN

The MFN Series Metal Film Biased Humidity

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 a specialized blue

lacquer. Its processes and controls ensure the

product is impervious to moisture.

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

MFN-12

ød

øD

MFN-25

MFN-50

MFN100

MFN200

Miniature

MFN25S

MFN50S

MFN1WS

MFN2WS

MFN3WS

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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