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238167361259

更新时间： 2024-11-07 19:04:35
品牌 Logo 应用领域
威世 - VISHAY 过载保护电阻器
页数 文件大小 规格书
5页 213K
描述
RESISTOR, TEMPERATURE DEPENDENT, PTC, 25 ohm, SURFACE MOUNT, CHIP, 3528, ROHS COMPLIANT

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238167361259 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：,
Reach Compliance Code：unknown风险等级：5.27
安装特点：SURFACE MOUNT端子数量：4
最高工作温度：85 °C最低工作温度：-40 °C
封装形状：RECTANGULAR PACKAGE包装方法：TR, BLISTER, 15 INCH
额定（AC）电压（URac）：240 V电阻：25 Ω
电阻器类型：PTC THERMISTOR子类别：Non-linear Resistors
表面贴装：YES端子位置：DUAL IN-LINE
端子形状：J BEND热敏电阻器应用：OVERLOAD PROTECTION
容差：20%Base Number Matches：1

238167361259 数据手册

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2381 673...../PTCTT..R....TE  
Vishay BCcomponents  
TWIN Vertical SMD PTC Thermistors  
For Telcom Overload Protection  
FEATURES  
•
Very small footprint, allowing to increase the  
number of lines per  
PCB  
•
Matched pairs in one component, significantly reducing the  
assembly time  
• Narrow tracking between the 2 PTC’s over a wide  
temperature range (matching at 85 °C: ≤ 2 x matching at  
25 °C)  
Limited height and weight, used on high speed pick-and-  
place circuit assembly  
•
• Flat pick-up ceramic area for easy placement  
• Small ceramics for faster response time  
• Thermal coupled PTC’s for enhanced protection  
• Coated versions available on request  
Four spaced terminations for heat flow regulation and  
improved mechanical stability  
•
• Small and large pitch available  
• Compliant with the enhanced level requirements of  
ITU - K20-21-45 edition 2003  
QUICK REFERENCE DATA  
• Suitable for Pb-bearing and lead (Pb)-free reflow soldering  
• Compliant to RoHS directive 2002/95/EC and in  
accordance to WEEE 2002/96/EC  
PARAMETER  
VALUE  
UNIT  
V
Maximum voltage (RMS)  
Temperature range  
Climatic category  
Weight  
240  
- 40 to + 85  
40/125/56  
∼ 1.3  
°C  
APPLICATIONS  
Over-temperature/over-load protection:  
g
• Telecom  
- Telecommunications infrastructure  
DESCRIPTION  
The component consists of a high-performance PTC ceramic  
disc mounted in a lead-frame for direct soldering onto a  
printed-circuit board (PCB) or substrate.  
-
PABX  
- Set-top box  
The ceramic is soldered to the leadframe by a local reflow  
process, during which the solder layer is melted to the  
metallized ceramic surface using a low residue flux.  
MOUNTING  
With a flat pick-up area = 30 mm2 the PTC thermistors are  
suitable for processing on high speed automatic insertion  
equipment.  
MARKING  
Typical soldering  
• All TWIN Vertical SMD PTC’s are marked with the last  
3-digits of the type number (BCxxx) and a date code  
(YYWW)  
235 °C, duration: 5 s (Pb-bearing)  
245 °C, duration: 5 s (Lead (Pb)-free)  
Resistance to soldering heat  
260 °C, duration: 10 s max.  
ELECTRICAL DATA  
I
nt at  
Ires  
(2 PIECES POWERED)  
at Vmax.  
MAX.  
TRIP-TIME  
at 1 A  
Imax.  
at  
max. (A)  
R25  
2ꢀ ꢁ  
(Ω)  
Vmax.  
It  
MATCHING  
25 °C  
(mA)  
7ꢀ °C  
(mA)  
85 °C  
(mA)  
(Ω)  
(VRMS)  
(mA)  
V
(s)  
(mA)  
10  
20  
25  
35  
50  
0.5  
0.5  
0.5  
1.0  
1.0  
240  
240  
240  
240  
240  
140  
90  
100  
100  
90  
85  
60  
60  
60  
50  
55  
40  
40  
40  
35  
300  
200  
200  
200  
190  
4.0  
2.0  
2.0  
1.5  
1.2  
4.0  
8.0  
4.0  
4.0  
2.5  
12.0  
12.0  
12.0  
12.0  
12.0  
Note  
(1) All data is measured at 25 °C unless otherwise specified  
www.vishay.com  
40  
For technical questions, contact: nlr@vishay.com  
Document Number: 29088  
Revision: 27-Oct-09  
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