参数资料
型号: PRF21BE471QB5RA
厂商: Murata Electronics North America
文件页数: 67/105页
文件大小: 0K
描述: THERMISTOR
标准包装: 4,000
系列: PRF18/21
在 25°C 时的电阻(欧姆): 470
电阻公差: ±50%
工作温度: -20°C ~ 100°C
安装类型: PCB,表面贴装
封装/外壳: 芯片
供应商设备封装: *
包装: *
! Note ? Please read rating and ! CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
? This catalog has only typical speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
R90E.pdf
Mar.4,2014
PTGL Series Narrow Current Band Speci?cations and Test Methods
Continued from the preceding page.
c Protective Threshold Current Test Conditions
1. Substrate
Materials: Phenol
Size: 50x50xt1.6mm
Land Pattern: Cu land without through hole
25.0
2.5
5.0
2.5
?0.9
2.5
25.0
25.0
3.0
1.0
25.0
(in mm)
2. Measurement condition
Solder POSISTOR r on the substrate, then put a
150mm 3 cover surrounding POSISTOR r to prevent
airflow.
3. Measurement circuit
POSISTOR r
D.C POWER
SUPPLY
D.V
+ Digital
- Voltmeter
1 Ω
D.V
+ Digital
- Voltmeter
65
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