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SMD250

更新时间: 2024-09-23 06:12:35
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泰科 - TE /
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描述
PolySwitch®PTC Devices

SMD250 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknown风险等级:8.4
其他特性:0.035-0.085 OHMS AT 20 DEG CELJESD-609代码:e0
安装特点:SURFACE MOUNT端子数量:2
最高工作温度:85 °C最低工作温度:-40 °C
封装高度:3 mm封装长度:9.4 mm
封装形状:RECTANGULAR PACKAGE封装宽度:6.7 mm
包装方法:TR额定功率耗散 (P):1.7 W
电阻:0.06 Ω电阻器类型:PTC THERMISTOR
子类别:Non-linear Resistors表面贴装:YES
端子面层:TIN LEAD端子位置:END
端子形状:FLAT热敏电阻器应用:OVERLOAD PROTECTION
Base Number Matches:1

SMD250 数据手册

  
Tyco / Electronics  
PRODUCT: SMD250  
Raychem Circuit Protection  
308 Constitution Drive  
PolySwitch®  
DOCUMENT: SCD 22295  
PCN: 544467  
PTC Devices  
Menlo Park, CA 94025-1164  
Phone: 800-227-4856  
REV LETTER: J  
Overcurrent Protection Device  
REV DATE: JULY 2, 2002  
PAGE NO.: 1 OF 1  
Fax: 800-227-4866  
Specification Status: Released  
Maximum Electrical Ratings  
Operating Voltage / Interrupt Current  
15V / 40A  
C
F
12V / 60A  
5V / 125A  
B
H
G
Marking  
D
E
250  
A
Manufacturer’s Mark  
Part Identification  
Notes:  
1. All metal surfaces are tin plated.  
2. Devices cannot be wave soldered.  
3. Drawing not to scale.  
TABLE I. DIMENSIONS:  
A
B
C
D
E
F
G
H
MIN  
MAX  
9.40  
MIN  
--  
--  
MAX  
3.00  
MIN  
6.00  
MAX  
6.71  
MIN  
0.56  
MAX  
0.71  
MIN  
0.56  
MAX  
0.71  
MIN  
3.68  
MAX  
3.94  
MIN  
0.66  
MAX  
1.37  
MIN  
0.43  
mm: 8.00  
in*: (0.315) (0.370)  
(0.118) (0.236) (0.264) (0.022) (0.028) (0.022) (0.028) (0.145) (0.155) (0.026) (0.054) (0.017)  
*Rounded off approximation  
TABLE II. PERFORMANCE RATINGS:  
CURRENT RATINGS**  
TIME TO  
TRIP**  
RESISTANCE TRIPPED-STATE  
VALUES  
POWER  
DISSIPATION**  
WATTS AT  
20°C  
AMPS  
AMPS  
AMPS  
SECONDS AT  
20°C, 8.0A  
MAX  
OHMS  
AT 0°C  
AT 20°C  
AT 60°C  
AT 20°C  
HOLD TRIP HOLD TRIP HOLD TRIP  
MIN  
MAX*  
0.085  
MAX  
1.9  
2.8  
6.0  
2.5  
5.0  
1.6  
3.8  
25  
0.035  
* Maximum resistance is measured 1 hour after reflow.  
** Values specified were determined using PCB’s with 0.070”X1.5 ounce copper traces.  
Reference Documents:  
Precedence:  
PS300, E.N. SMD 1.0x  
This specification takes precedence over documents referenced herein.  
Reference documents shall be the issue in effect on the date of invitation for bid.  
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.  
Effectivity:  
CAUTION:  

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