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

CW3HC2740D

产品描述RES,AXIAL,WIREWOUND,274 OHMS,.5% +/-TOL,-20,20PPM TC
产品类别无源元件    电阻器   
文件大小291KB,共1页
制造商KOA Speer
官网地址http://www.koaspeer.com/
下载文档 详细参数 全文预览

CW3HC2740D概述

RES,AXIAL,WIREWOUND,274 OHMS,.5% +/-TOL,-20,20PPM TC

CW3HC2740D规格参数

参数名称属性值
厂商名称KOA Speer
包装说明Axial,
Reach Compliance Codeunknown
ECCN代码EAR99
其他特性FLAME PROOF
构造Tubular
JESD-609代码e2
引线直径0.8 mm
引线长度30 mm
安装特点THROUGH HOLE MOUNT
端子数量2
最高工作温度275 °C
最低工作温度-55 °C
封装直径6 mm
封装长度15 mm
封装形式Axial
包装方法Bulk
额定功率耗散 (P)3 W
额定温度25 °C
参考标准MIL-PRF-26
电阻274 Ω
电阻器类型FIXED RESISTOR
表面贴装NO
技术WIRE WOUND
温度系数50 ppm/°C
端子面层Tin/Copper (Sn/Cu)
端子形状WIRE
容差0.5%
工作电压28.6705 V
Base Number Matches1

文档预览

下载PDF文档
POWER TYPE RESISTORS
MInIaTURE TYPE
HIgH STaBILITY
CW H
W
NE
WIREWOUND
STRUCTURE
t
1
2
3
4
5
Insulation coating
Resistive element (wire)
Lead wire
Electrode cap
Ceramic core
IDEnTIFICaTIOn
PRODUCT CODE
CW H
COaTIng COLOR
Black
MaRKIng
Alpha Numeric
(Type R-value and
tolerance)
*
all these products have Pb-free terminations and
meet EU-RoHS and China-RoHS requirements
TYPE DESIgnaTIOn (HOW TO ORDER)
CW
Contact our sales representatives before you use our products for applications including
automotives, medical equipment and aerospace equipment. Malfunction or failure of the
products in such applications may cause loss of human life or serious damage .
1
POWER RATING
Unit: Watt
1, 2, 3
H
STYLE
H: Stability
C
TERMINATION
SURFACE
MATERIAL
C: SnCu
T52
TAPING &
FORMING
a
PACKAGING
A: Ammo
1R00
NOMINAL
RESISTANCE
D, F: 4 digits
PRODUCT
CODE
Contact us when you have control
request for environmental hazardous
RESISTANCE material other than the substance
TOLERANCE specified by EU-RoHS
F
D: (±0.5%)
F: (±1%)
*Please see “PACKAGING”
FEaTURES
Wirewound high power resistor in small size
Stable characteristics in high temperatures
High reliability and performance with resistance tolerance ±1%
and T.C.R. ±20ppm/K
Perfectly withstands inrush current
Excellent stability in operation
MIL-PRF-26 compliance (characteristics U)
Automatic insertion is applicable due to axial taping
Various formings are available
Excellent mountability and solderability
Flame retardant coating (Equivalent to UL94 V-0)
Meets or exceeds JIS C 5201-1 and MIL-PRF-26
Suitable as inrush current peventative resistor for industrial
power circuits
Ideal for use as surge absorber (RC circuit protection), in AC adapters
or chargers (circuit protection) and in measuring instruments
Rated ambient temperature: +25°C
Operating temperature range: -55°C…+275°C
DIMEnSIOnS (mm)
TYPE
CW 1 H
CW 2 H
CW 3 H
L
9.5 ± 1.0
12 ± 1.0
15 ± 1.0
t Max.
3
øD
3.5 ± 1.0
4.0 ± .0
1
6.0 ± 1.0
ø d (nom.)
0.8
l±3
30
DERaTIng CURVE
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
N E W E X pA N d E d r A N G E
RaTIng
DIn
SIZE
0411
0414
0617
TYPE
CW 1 H C
CW 2 H C
CW 3 H C
T.C.R.
(ppm/K)
±20: R ≥ 10 Ω
±50: R < 10 Ω
POWER
RaTIng*
1 W
2 W
3W
MaX.
WORKIng
VOLTagE
E =
P x R
MaX.
OVERLOaD
VOLTagE
E =
RESISTanCE RangE anD TOLERanCE
E24 • E96
D (±0.5%)
0.47 Ω ... 220 Ω
0.47 Ω ... 750 Ω
0.47 Ω ... 1 kΩ
F (±1%)
0.1 Ω ... 430 Ω
0.1Ω ... 2 kΩ
0.1 Ω ... 3 kΩ
P x R x 5
* For resistors operated at an ambient temperature of + 25°C or above, the power rating shall be derated in accordance with the above derating curve.
Rated voltage = √ Power Rating x Resistance value
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
123
Revision: 14. Dec. 2009
POWER TYPE
RESISTORS

 
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: 1782  27  1151  2240  1078  41  27  57  15  13 

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