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RNF1/4T26810.5%T

Description
Fixed Resistor, Metal Film, 0.25W, 681ohm, 250V, 0.5% +/-Tol, -50,50ppm/Cel
CategoryPassive components    The resistor   
File Size186KB,2 Pages
ManufacturerSEI(Stackpole Electronics Inc.)
Websitehttps://www.seielect.com/
Environmental Compliance
Download Datasheet Parametric View All

RNF1/4T26810.5%T Overview

Fixed Resistor, Metal Film, 0.25W, 681ohm, 250V, 0.5% +/-Tol, -50,50ppm/Cel

RNF1/4T26810.5%T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid1174178503
Reach Compliance Codecompliant
ECCN codeEAR99
structureFlame Retardant
JESD-609 codee3
Lead diameter0.56 mm
Lead length28 mm
Manufacturer's serial numberRN1/4(50TC,.5%)
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter2.35 mm
Package length6.35 mm
Package formAxial
method of packingAmmo Pack
Rated power dissipation(P)0.25 W
resistance681 Ω
Resistor typeFIXED RESISTOR
seriesRN1/4(50TC,.5%)
technologyMETAL FILM
Temperature Coefficient50 ppm/°C
Terminal surfaceMatte Tin (Sn)
Tolerance0.5%
Operating Voltage250 V
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
100Ω – 100K
100Ω – 100K
100Ω – 100K
1.0Ω – 2.2M
1.0Ω – 2.2M
1.0Ω – 2.2M
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 294K
49.9Ω – 1M
49.9Ω – 1M
0.25%
100Ω – 100K
100Ω – 100K
100Ω – 100K
1.0Ω – 2.2M
1.0Ω – 2.2M
1.0Ω – 2.2M
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 100K
100Ω – 294K
49.9Ω – 1M
49.9Ω – 1M
0.5%
49.9Ω – 499K
10Ω – 1M
10Ω – 1M
1.0Ω – 2.2M
1.0Ω – 2.2M
1.0Ω – 2.2M
49.9Ω – 499K
10Ω – 1M
10Ω – 1M
100Ω – 51K
10Ω – 100K
100Ω – 51K
49.9Ω – 499K
10Ω – 1M
10Ω – 1M
49.9Ω – 1M
10Ω – 1M
10Ω – 1M
1%
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
5%
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
RN
SEI Type
1/4
Code
T1
TCR
4.75K
Nominal Resistance
1%
Tolerance
R
Packaging
Type
RN
RNM
RNF
RNMF
PRN
PRNF
Description
EIA standard
Mini
Standard RoHS
Mini RoHS
Panasert
Pana - RoHS
Code
1/8
1/4
1/2
1
TCR
T1 = 100ppm
T2 = 50ppm
T9 = 25ppm
TB = 10ppm
Tolerance Values
0.1%
0.25%
0.5%
1%
5%
E96
E96
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
1/8, 1/4, 1/2
Pkg Qty Description Code
5,000
2,500
5,000
2,000
1,000
1,000
Bulk
A
Ammo
T
Reel
R
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
6
email: marketing@seielect.com
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