EEWORLDEEWORLDEEWORLD

Part Number

Search

RN1/4T21.30.25%R

Description
Fixed Resistor, Metal Film, 0.25W, 1.3ohm, 250V, 0.25% +/-Tol, -50,50ppm/Cel,
CategoryPassive components    The resistor   
File Size186KB,2 Pages
ManufacturerSEI(Stackpole Electronics Inc.)
Websitehttps://www.seielect.com/
Download Datasheet Parametric View All

RN1/4T21.30.25%R Overview

Fixed Resistor, Metal Film, 0.25W, 1.3ohm, 250V, 0.25% +/-Tol, -50,50ppm/Cel,

RN1/4T21.30.25%R Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Reach Compliance Codeunknown
ECCN codeEAR99
structureFlame Retardant
Lead diameter0.56 mm
Lead length28 mm
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter2.35 mm
Package length6.35 mm
Package formAxial
method of packingTR
Rated power dissipation(P)0.25 W
resistance1.3 Ω
Resistor typeFIXED RESISTOR
seriesRN1/4(50TC,.1/.25%)
technologyMETAL FILM
Temperature Coefficient-50,50 ppm/°C
Tolerance0.25%
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
Rev 10/08
[Jihai APM32E103VET6S MINI development board review] RTC test
APM32 has a built-in RTC as shown belowIt says that you can choose LSI, so I want to test the accuracy of using LSI. I have used ST products, and LSI products are not very accurate either. Some produc...
常见泽1 Domestic Chip Exchange
Bridge power supply circuit solution
In the typical half-bridge, full-bridge, and push-pull circuits shown in the figure (the topology of the secondary side is the same, so I would like to ask questions about this together) [/size] [size...
shaorc Power technology
Signal Generator
I connected a capacitor to the output of the signal generator and then connected it to the microcontroller pin. I tried to measure the frequency, but it didn't work. If I don't connect the capacitor, ...
意想不到1 Analog electronics
cam350 prompts out of memory when importing gerber files
When importing gerber files into cam350, it prompts "out of memory. Document type is unknown". After clicking "Ignore", it becomes the second picture. Please help me, thank you! :loveliness:...
胖桃宝贝 PCB Design
500V adjustable DC power supply
I am making a 500V adjustable DC power supply. I don't know if you have any good information, articles or ideas to teach me. I don't have any hope. Please give me more advice....
J先生 Analogue and Mixed Signal
After the USB is plugged in, the device manager shows "unknown device"
After I plugged in my USB, the computer prompted that the USB device could not be recognized. What's going on? Experts, please give me some advice. I searched online for the reasons for this prompt: o...
zouweihua Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1571  2489  1275  2652  923  32  51  26  54  19 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号