RNMF1/4T24990.25%T datasheet, PDF

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RNMF1/4T24990.25%T: DescriptionFixed Resistor, Metal Film, 0.25W, 499ohm, 200V, 0.25% +/-Tol, -50,50ppm/Cel,; CategoryPassive components The resistor; File Size186KB，2 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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RNMF1/4T24990.25%T Overview

Fixed Resistor, Metal Film, 0.25W, 499ohm, 200V, 0.25% +/-Tol, -50,50ppm/Cel,

RNMF1/4T24990.25%T Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	928425960
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Flame Retardant
JESD-609 code	e3
Lead diameter	0.44 mm
Lead length	28 mm
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package diameter	1.78 mm
Package length	3.2 mm
Package form	Axial
method of packing	Ammo Pack
Rated power dissipation(P)	0.25 W
resistance	499 Ω
Resistor type	FIXED RESISTOR
series	RNM1/4(50,.1/.25%)
technology	METAL FILM
Temperature Coefficient	-50,50 ppm/°C
Terminal surface	Matte Tin (Sn)
Tolerance	0.25%
Operating Voltage	200 V

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RN / RNM Series — General Purpose Metal Film Resistors

Features

• Precision metal film

• Superior electrical, TCR performances

• Flame-retardant coatings are standard

• Panasert available (selected sizes; contact factory)

• RNM (mini) an ideal choice where size constraints apply

• RN 5% replaces MP series

• RoHS compliant / lead-free available (RNF/RNMF)

• Lower or higher resistance values may be possible; contact

factory

Electrical Specifications

Type /

Code

Mil

Ref

Power

Rating

(W) @ 70°C

Max

Working

Voltage*

Max

Pulse

Voltage

Resistance

Temperature

Coefficient

±25 ppm/°C

±50 ppm/°C

±100 ppm/°C

±10 ppm/°C

±25 ppm/°C

±50 ppm/°C

±100 ppm/°C

±25 ppm/°C

±50 ppm/°C

±100 ppm/°C

±25 ppm/°C

±50 ppm/°C

±100 ppm/°C

±25 ppm/°C

±50 ppm/°C

±100 ppm/°C

±25 ppm/°C

±50 ppm/°C

±100 ppm/°C

Ohmic Range and Tolerance

0.1%

100Ω – 100K

1.0Ω – 2.2M

100Ω – 100K

–

100Ω – 100K

100Ω – 294K

49.9Ω – 1M

0.25%

100Ω – 100K

–

1.0Ω – 2.2M

100Ω – 100K

–

100Ω – 100K

100Ω – 294K

49.9Ω – 1M

0.5%

49.9Ω – 499K

10Ω – 1M

–

1.0Ω – 2.2M

49.9Ω – 499K

10Ω – 1M

100Ω – 51K

10Ω – 100K

100Ω – 51K

49.9Ω – 499K

10Ω – 1M

49.9Ω – 1M

10Ω – 1M

49.9Ω – 499K

1.0Ω – 1M

0.1Ω – 4.9M

–

10Ω – 1M

1.0Ω – 1M

0.1Ω – 1M

49.9Ω – 499K

10Ω – 1M

0.1Ω – 5.1M

10Ω – 100K

10Ω – 1M

1.0Ω – 1M

49.9Ω – 499K

1.0Ω – 1M

0.1Ω – 1M

49.9Ω – 1M

1.0Ω – 1M

0.1Ω – 1M

–

1Ω – 2.2M

–

1Ω – 10M

–

1Ω – 10M

–

1Ω – 1M

–

1Ω – 1M

RN 1/8

RN50

0.125W

200V

400V

RN 1/4

RN55

0.250W

250V

500V

RN 1/2

RN60

0.500W

350V

700V

RN 1

RN65

1.000W

350V

700V

RNM 1/4

–

0.250W

200V

400V

RNM 1/2

RL07

0.500W

350V

600V

* Lesser of

√PR

or maximum working voltage.

How to Order

SEI Type

1/4

Code

TCR

4.75K

Nominal Resistance

Tolerance

Packaging

Type

RNM

RNF

RNMF

PRN

PRNF

Description

EIA standard

Mini

Standard RoHS

Mini RoHS

Panasert

Pana - RoHS

Code

1/8

1/4

1/2

TCR

T1 = 100ppm

T2 = 50ppm

T9 = 25ppm

TB = 10ppm

Tolerance Values

0.1%

0.25%

0.5%

E96

E96,E24

E24

SEI Types

1/8, 1/4, RNM 1/2

RN 1/2, 1

1/8, 1/4, RNM 1/2

1/2

1/8, 1/4, 1/2

Pkg Qty Description Code

5,000

2,500

5,000

2,000

1,000

Bulk

Ammo

Reel

Toll Free: (888) SEI-SEIS

(888) 734-7347

www.seielect.com

email: marketing@seielect.com

Rev 10/08

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