参数资料
型号: RC0201JR-0751RL
厂商: Yageo
文件页数: 12/16页
文件大小: 0K
描述: RES 51 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): 51
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: 311-51NDKR
Product specification
12
Chip Resistor Surface Mount
Thick film technology
INTRODUCTION
16
D E F I N I T I O N O F S Y M B O L S ( S E E F I G U R E S 1 1 , 1 2 , 1 3 , 1 4 A N D 1 5 )
Symbol Description
E X A M P L E S
Determine the stability of a typical resistor for
P?
P? max
V? i
V? max
R nom
applied peak pulse power
maximum permissible peak pulse power (Fig.12)
applied peak pulse voltage (Fig. 14)
maximum permissible peak pulse voltage (Figs. 11, 13
and 15)
nominal resistance value
operation under the following pulse-load conditions.
C ONTINUOUS PLUS TRAIN
A 100 X ? resistor is required to operate under the
following conditions:
V i = 10 V; t i = 10 –5 s; t p = 10 –2 s
Therefore:
t i
t P
pulse duration (rectangular pulses)
pulse repetition time
P? ?
10 2
100
? 1 W and
t p
t i
?
10 ? 2
10 ? 5
? 1 , 000
?
T amb
time constant (exponential pulses)
ambient temperature
For t i = 10 –5 s and
t p
t i
? 1 , 000 , Fig. 12 gives
T m (max.) maximum hot-spot temperature of the resistor
P? max
= 2 W and Fig. 13 gives V? max
= 400 V
As the operating conditions P? = 1 W and V? i = 10 V
are lower than these limiting values, this resistor
V
^
Vi
t i
t p
MGA206
t
may be safely used.
S INGLE PLUSE
A 10 k X ? resistor is required to operate under the
following conditions:
V? i = 250 V; t i = 10 –5 s
Therefore:
Fig. 14 Rectangular pulses
P? max ?
250 2
10 , 000
? 6 . 25 W
The dashed curve of Fig. 12 shows that at t i = 10 –5 s,
the permissible P? max = 10 W and Fig. 13 shows a
Vmax
V
^
YNSC059
permissible V? max of 400 V, so this resistor may be
used.
0.37 Vmax
^
τ
t
t p
Fig. 15 Exponential pulses
www.yageo.com
Mar 25, 2008 V.7
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