电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

255F-8R2-HT30W

产品描述Fixed Resistor, Wire Wound, 7W, 8.2ohm, 210V, 3% +/-Tol, 30ppm/Cel,
产品类别无源元件    电阻器   
文件大小41KB,共1页
制造商RCD Components Inc.
官网地址http://www.rcdcomponents.com/
标准
下载文档 详细参数 全文预览

255F-8R2-HT30W概述

Fixed Resistor, Wire Wound, 7W, 8.2ohm, 210V, 3% +/-Tol, 30ppm/Cel,

255F-8R2-HT30W规格参数

参数名称属性值
是否Rohs认证符合
Objectid261684632
Reach Compliance Codecompliant
ECCN代码EAR99
构造Cylindrical
JESD-609代码e3
引线直径1 mm
端子数量2
最高工作温度350 °C
最低工作温度-55 °C
封装直径5.89 mm
封装长度19.4 mm
封装形状CYLINDRICAL PACKAGE
封装形式Axial
包装方法TR
额定功率耗散 (P)7 W
电阻8.2 Ω
电阻器类型FIXED RESISTOR
系列200
技术WIRE WOUND
温度系数30 ppm/°C
端子面层Matte Tin (Sn)
容差3%
工作电压210 V

文档预览

下载PDF文档
MINIATURE WIREWOUND RESISTORS
1 WATT to 10 WATT
RESISTORS CAPACITORS COILS DELAY LINES
200 SERIES
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
Significant space savings!
Tolerance to +0.01%, TCR to 5ppm/°C
Wide resistance range: 0.005Ω to 250K
Available on exclusive
SWIFT
TM
delivery program
All sizes available on Tape & Reel
OPTIONS
Option X: Low Inductance
Option P: Increased Pulse Capability
Option F: Flameproof Coating
Option ER: 100-Hour Burn-In
Also available: low thermal emf (opt.E), matched sets, cut &
formed leads, special marking, 4-terminal, hi-rel screening,
hermetic seal, non-standard values, increased voltage, etc.
Customized components are an RCD speciality!
TYPICAL SIZE COMPARISON
2W carbon composition
2W wirewound (standard)
2W wirewound (type 210)
Typically half the size of conventional resistors! Type 202 is
world’s smallest wirewound resistor!
Series 200 resistors
offer the same MIL-grade construction as Series 100 resistors
except utilize proprietary materials and processing, enabling
significant size reductions. Series 200 resistors are ideal
when PCB real estate is at a premium! Highest grade
materials enable excellent stability and environmental
performance.
DERATING:
Power resistors reach elevated temperatures when
operated near full wattage, and therefore should be mounted
off the PCB and derated according to required stability levels.
% OF RATED POWER
100
80
60
40
20
0
25
50
75
100
125 150 175 200
AMBIENT TEMPERATURE (°C)
225
250
275
300
1.375” Min
3
A
Type 202 is 1.1”
B
D
C
DIMENSIONS
RCD
Type
Wattage
Rating
Maximum
Voltage
1
Resistance
Range
A
.150 ±.032
[ 3.81 ± .8]
.250 ±.040
[6.35 ±1]
.350 ±.040
[8.9 ±1]
.500 ±.040
[ 12.7 ±1]
.625 ±.040
[15.9 ±1]
1.040 ±.048
[26.4 ±1.2]
B (Max)
.200
[5.08]
.300
[7.62]
.480
[12.2]
.595
[15.1]
.765
[19.4]
1.125
[28.6]
C
2
.064 ±.02
[1.63 ± .5]
.093 ±.025
[2.36 ± .6]
.140 ±.032
[3.56 ± .8]
.188 ±.032
[4.78 ± .8]
.232 ±.032
[5.89 ± .8]
.350 ±.032
[8.89 ± .8]
Inch [mm]
D (Nominal Diameter)
Standard
.020
[0.5]
.020
[0.5]
.031
[0.8]
.031
[0.8]
.040
[1.0]
.040
[1.0]
Optional
N/A
.024 (Opt."22")
[0.6]
N/A
.040 (Opt."18")
[1.0]
N/A
N/A
202
210
232
235
255
272
1
2
1.0W
2.0W
3.0W
5.0W
7.0W
10W
30V
40V
60V
157V
210V
600V
.01
to 2K
.01
to 10K
.005
to 20K
.005
to 40K
.005
to 80K
.005
to
250K
Volt rating determined by E =
√(
PR), E not to exceed max. rating. Increased ratings available. Multiply by 0.7 for Opt. X
Allow .032” additional for Option X and values below 1.0Ω
3
Lead length applies to bulk packaged parts units, parts supplied on tape may be shorter (refer to taping specification)
SPECIFICATIONS:
Te m p e r a t u r e
C o e f f i c i e nt t yp .
( C o ns ul t f a c t o r y
fo r TC o n o p t. P )
.0 0 5 - .0 0 9 9
Ω :
6 0 0 p p m s td (2 0 0 , 3 0 0 p p m o p t.)
.0 1 - .0 4 9
Ω:
3 0 0 p p m s td (1 0 0 , 2 0 0 p p m o p t.)
.0 5 - .0 9 9
2 0 0 p p m s td (5 0 , 1 0 0 p p m o p t.)
.1 - .9 9
:
9 0 p p m s td (1 0 , 2 0 , 3 0 , 5 0 p p m o p t)
1 - 9 .9
:
5 0 p p m s td (1 0 , 2 0 , 3 0 p p m o p t.)
1 0
& a b o ve : 2 0 p p m s t d ( 5 , 1 0 p p m o p t . )
1 t o 5 0 µ H t yp i c a l , d e p e nd s o n s i ze & r e s i s t a nc e
va l ue . S p e c i f y O p t . X f o r no n- i nd uc t i ve
p e r f o r m a nc e ( s e e b e l o w ) .
50
>
50
Ty p e 2 0 2 X - 2 3 5 X : 0 . 2 µ H M a x 0 . 3 7 µ H M a x
Ty p e 2 5 5 X :
0 .3 µ H Ma x 0 .6 µ H Ma x
Ty p e 2 7 2 X :
0 .6 µ H Ma x 1 .0 µ H Ma x
5 X ra te d W 2 0 2 -2 3 5 , 1 0 X ra te d W 2 5 5 -2 7 2
P/N DESIGNATION:
RCD Type
Options:
X, P, F, ER, E, 22, 18
(leave blank if standard)
210
- 1001 - F B
W
In d u c t a n c e ,
S t a nd a r d
Resis. Code
:
1%:
3 signif. figures & multiplier,
e.g. R100= 0.1Ω, 1R00= 1Ω,1000= 100Ω, 1001= 1KΩ.
Resis. Code 2% - 10%:
2 signif. figures & multiplier,
e.g. R10= 0.1Ω, 1R0= 1Ω,100= 10Ω, 101=100Ω, 102= 1KΩ.
Use extra digits as needed: e.g. R005, R0075, R012
Tolerance:
K=10%, J=5%, H=3%,F=1%, D=0.5%,
C=0.25%, B=0.1%, A=0.05%, Q=0.02%, T=0.01%
Packaging:
B = Bulk, T = T&R
Optional TC:
5= 5ppm, 10= 10ppm, etc., if 100ppm & above use 3-digit
code: 101 = 100ppm, 201= 200ppm, etc. (leave blank if standard)
Termination:
W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable,
in which case RCD will select based on lowest price and quickest delivery
In d u c t a n c e , O p t . X
( l e ve l s a s l o w a s
2 0 nH a va i l . )
O ve r l o a d , 5 S e c .
D i e l e c t r i c S t r e n g t h 5 0 0 V ( 3 0 0 V Ty p e 2 0 2 ) , 1 K V a v a i l a b l e ( O p t . 3 3 )
RCD Components Inc,
520 E.Industrial Park Dr, Manchester, NH, USA 03109
rcdcomponents.com
Tel: 603
-
669
-
0054 Fax: 603
-
669
-
5455 Email:sales@rcdcomponents.com
FA014D Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
44
请教一个SIM300的问题
430单片机与SIM300模块做的保护器,用短信控制设备,现在有个问题,当保护器断电或关机后再开机设备就不执行命令,但人工复位后又恢复执行命令了,还有如果用键盘操作设备向手机发短信后也会恢 ......
wang72175 嵌入式系统
Risk assessment report of SGS CN_201008
Risk assessment report of SGS CN_201008...
安_然 测试/测量
【翻译】Micropy 官方教程 07 安全模式和恢复出厂设置
7.安全模式和恢复出厂设置 当你的pyboard 板除了出了毛病时不用太沮丧,尤其是在编错了程序的时候。 首先要做的事情是进入安全模式:这将临时跳过 boot.py 和 main.py 的执行,直接获取默认 ......
我的学号 stm32/stm8
MOUSER寄的开发板收货开箱,但是本来应该兴高采烈的哥却蓝瘦香菇啊:(
借着论坛跟冒泽的福利活动,果断在3月2日下单,入了2块ADI的EVAL-AD7984-PMDZ开发板,过了7天终于到了我的手上。可是高兴不起来啊,明明是买了2块,可是寄给我的却只是一块啊,只有一块 ......
jackfrost 综合技术交流
晒货+嵌入式初级开发板(MOOC )视频
第一次学习软件 ,还有清华大学老师指导,免费学习。 基本老师实验都可以做完成,有兴趣朋友可以到这个网址看,很详细的。 https://next.xuetangx.com/course/THU08091000246/1075315 ......
samhuang8204 测评中心专版
两个电势不等的电源并联会怎样?
:puzzle:两个电势不同的电源可以并联吗?如果进行了并联处理,会怎么样呢? 哪个网友可以来给我讲讲课吗? ...
okhxyyo 电源技术

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 2074  2721  1939  1948  807  42  55  40  17  32 

器件索引   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

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 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 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved