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| 型号： | RC0201JR-07470RL |
| 厂商： | Yageo |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | RES 470 OHM 1/20W 5% 0201 SMD |
| 产品目录绘图： | Thick Film Resistor Top Thick Film Resistor Side |
| 标准包装： | 1 |
| 系列： | RC0201 |
| 电阻（欧姆）： | 470 |
| 功率（瓦特）： | 0.05W，1/20W |
| 复合体： | 厚膜 |
| 温度系数： | ±200ppm/°C |
| 容差： | ±5% |
| 封装/外壳： | 0201（0603 公制） |
| 尺寸/尺寸： | 0.024" L x 0.012" W（0.60mm x 0.30mm） |
| 高度： | 0.010"（0.26mm） |
| 端子数： | 2 |
| 包装： | 标准包装 |
| 产品目录页面： | 2235 (CN2011-ZH PDF) |
| 其它名称： | 311-470NDKR |
Product specification
11
Chip Resistor Surface Mount
Thick film technology
INTRODUCTION
16
D E F I N I T I O N S O F P U L S E S
S INGLE PULSE
The resistor is considered to be operating under
D E T E R M I N A T I O N O F P U L S E - L O A D
The graphs in Figs 12 and 13 may be used to
determine the maximum pulse-load for a resistor.
single pulse conditions if, during its life, it is loaded
? ? For
repetitive rectangular pulses:
must be lower than the value of P? max given
with a limited number (approximately 1,500) of
pulses over long time intervals (greater than one
hour).
R EPETITIVE PULSE
The resistor is operating under repetitive pulse
conditions if it is loaded by a continuous train of
pulses of similar power.
??
??
V? i 2
R
by the solid lines of Fig. 12 for the applicable
value of t i and duty cycle t p /t i .
V? i must be lower than the value of V? max given
in Fig. 13 for the applicable value of t i .
The dashed line in Fig. 12 shows the observed
maximum load for the Size 1206 chip resistors under
? ? For repetitive exponential pulses:
?? As for rectangular pulses, except that t i = 0.5 ? .
single-pulse loading.
? ? For
single rectangular pulses:
V? i 2
must be lower than the P? max given by the
More usually, the resistor must withstand a
continuous train of pulses of repetition time ‘t p ’
during which only a small resistance change is
acceptable. This resistance change ( ? R/R) is equal to
the change permissible under continuous load
conditions. The continuous pulse train and small
permissible resistance change reduces the maximum
handling capability.
??
??
R
dashed line of Fig. 12 for the applicable value of
t i .
V? i must be lower than the value of V? max given
in Fig. 13 for the applicable value of t i .
The continuous pulse train maximum handling
capacity of chip resistors has been determined
experimentally.
Measurements have shown that the handling capacity
varies with the resistive value applied.
However, maximum peak pulse voltages as indicated
in Fig. 13, should not be exceeded.
www.yageo.com
Mar 25, 2008 V.7
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| RC0201JR-0747KL | 功能描述:厚膜电阻器 - SMD 47K OHM 5% RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
| RC0201JR-0747RL | 功能描述:厚膜电阻器 - SMD 47 OHM 5% RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
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| RC0201JR-074K7L | 功能描述:厚膜电阻器 - SMD 4.7K OHM 5% RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
| RC0201JR-074M7L | 制造商:Yageo Corporation 功能描述: |
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