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參數(shù)資料
| 型號： | LNSK20 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 熱敏電阻 |
| 英文描述： | NTC Thermistor SMD |
| 中文描述： | NTC熱敏電阻貼片 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 228K |
| 代理商： | LNSK20 |
Resistance @ 25
o
C
The zero-power resistance at the standard temperature of 25
o
C
. The zero-power resistance means the value of DC resistance of a thermistor measured at a specified temperature,
with electric load being kept so small that there is no noticeable change in the measured resistance by the influence of the applied electric load.
Bconstant 25 / 85
B = ln(R
0
/R
1
) / (1/T
0
- 1/T
1
) Without special note, B constant is calculated from the resistance values at 25
o
C
and 85
o
C
[B25/85], which is the most common.
Dissipation constant (
￥
‰
)
Dissipation factor is defined as the ratio at a specified ambient temperature of a change in power dissipation in a thermistor to the resultant body temperature change.
￥
= P/( T
1
- 25
o
C
) mW/
o
C
P : dissipated power
T1 : thermistor temp, 85
0.1
o
C
Maximum power rating P
This is the maximum handling power, keeping its temperature not exceeding the allowed maximum temperature for operation.
P
max
=
￥
(T
max
- T
a
)
￥
:dissipation constant
T
a
:25
o
C
T
max
:125
o
C
Thermal Time Constant
The time necessary for an unloaded thermistor to vary its temperature by 63.2
%
of the difference between its initial and final temperatures. Initial temperature is 85
0.1
o
C
and final
temperature is 47.1
0.1
o
C
.
Resistance @25
o
C
B constant
25/85
Dissipation
Constant
Maximum
Power Rating
Operating Temp.
Part Number
LNSK20 _ 502_ _
LNSK20 _ 103_ _
LNSY20 _ 102_ _
LNSY20 _ 222_ _
LNSY20 _ 472_ _
LNSY20 _ 502_ _
LNSY20 _ 682_ _
LNSY20 _ 103_ _
LNSW20 _ 103_ _
LNSW20 _ 223_ _
LNSW20 _ 443_ _
LNSV20 _ 202_ _
LNSV20 _ 222_ _
LNSV20 _ 272_ _
LNSV20 _ 332_ _
LNSV20 _ 103_ _
LNSV20 _ 333_ _
LNSV20 _ 473_ _
LNSV20 _ 503_ _
LNSV20 _ 583_ _
LNSV20 _ 683_ _
LNSV20 _ 853_ _
LNSV20 _ 104_ _
LNSV20 _ 124_ _
LNSV20 _ 154_ _
LNSV20 _ 334_ _
LNSV20 _ 474_ _
LNSU20 _ 683_ _
LNSU20 _ 104_ _
LNSU20 _ 105_ _
LNST20 _ 474_ _
5
§
10
§
1
§
2.2
§
4.7
§
5
§
6.8
§
10
§
10
§
22
§
44
§
2
§
2.2
§
2.7
§
3.3
§
10
§
33
§
47
§
50
§
58
§
68
§
85
§
100
§
120
§
150
§
330
§
470
§
68
§
100
§
1
§
470
§
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2012(0805) size
If you want additional spec., please contact to lattron. Fax : 82-42-935-2034 Email : lattron@lattron.com
3.5mW/
o
C
350mW
-40~125
o
C
-40~125
o
C
-40~85
o
C
NTC Thermistor SMD
10
www.lattron.com
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