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): 7/10頁
文件大小: 228K
代理商: LNSK20
Item
Test Method
Criteria for judging
RELIABILITY TEST METHOD
Resistance to Soldering
Heat Test
Solderability Test
Adhesion
Resistance to
flexure of substrate
Dry Heat Test
Cold Test
Damp Heat Test
(Steady State)
Thermal shock Test
Soldering temperature : 260
5
o
C
Duration of immersion : 10
1sec.
Preheating : 150
, 1min.
Soldering temperature : 230
5
o
C
Duration of immersion : 5
1sec.
Preheating : 150
o
C
, 1min.
Force W is applied to DUT.
The middle part of substrate shall, successively, be
pressurized by means of the pressurizing rod at a rate
of about 1
§fi
/sec.
Maintenance time : 5 sec.
Bending distance : 1
§fi
Test temperature :
125
2
o
C
, 85
2
o
C
(R-T curve Z)
Test duration : 1000+48hrs.
After completion of the test, leaving the sample under
the standard conditions for 24
2hrs.
Test temperature : -30
2
o
C
Test duration : 1000+48hrs.
After completion of the test, leaving the sample under
the standard conditions for 24
2hrs.
Test temperature : 60
2
o
C
Test relative humidity : 90
95RH%
Test duration : 1000+24hrs.
After completion of the test, leaving the sample under
the standard conditions for 24
2hrs.
This cycle is repeated 1000 times. After completion of
the test, allow the sample to stand under the standard
conditions for at 24
2hrs.
Visual : No mechanical damage Zero-power
resistance at 25
o
C
Change as against pretest values within
3%
Change of B-value : within
2%
At least 75% of the electrode must be covered with
new solder.
2012 : over 2.0 kg f
1608 : over 1.0 kg f
1005 : over 0.7 kg f
Visual : No mechanical damage
Zero-power resistance at 25
o
C
:
Change as against pretest values within
3%
Change of B-value : within
2%
Zero-power resistance at 25
o
C
:
Change as against pretest values within
3%
Change of B-value : within
2%
Zero-power resistance at 25
o
C
:
Change as against pretest values within
3%
Change of B-value : within
2%
Zero-power resistance at 25
:
Change as against pretest values within
3%
Change of B-value : within
2%
NTC Thermistor SMD
13
www.lattron.com
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