RNF1/4T91.78K1%R datasheet, PDF

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RNF1/4T91.78K1%R: DescriptionRESISTOR, METAL FILM, 0.25W, 1%, 25ppm, 1780ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size186KB，2 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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RNF1/4T91.78K1%R Overview

RESISTOR, METAL FILM, 0.25W, 1%, 25ppm, 1780ohm, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

RNF1/4T91.78K1%R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SEI(Stackpole Electronics Inc.)
package instruction	AXIAL LEADED, ROHS COMPLIANT
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	PRECISION
structure	Flame Retardant
JESD-609 code	e3
Lead diameter	0.56 mm
Lead length	28 mm
Manufacturer's serial number	RNF
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package diameter	2.35 mm
Package length	6.35 mm
Package shape	TUBULAR PACKAGE
Package form	Axial
method of packing	TR
Rated power dissipation(P)	0.25 W
Rated temperature	70 °C
resistance	1780 Ω
Resistor type	FIXED RESISTOR
series	RN1/4(25TC,1%)
surface mount	NO
technology	METAL FILM
Temperature Coefficient	25 ppm/°C
Terminal surface	Matte Tin (Sn)
Terminal shape	WIRE
Tolerance	1%
Operating Voltage	250 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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