参数资料
型号: SR1K20M474X
厂商: EPCOS Inc
文件页数: 16/29页
文件大小: 0K
描述: VARISTOR 20VRMS W/RFI SUPP RAD
产品目录绘图: SR1(K20,S14B)M474X Front
SR1(K20,S14B)M474X Side
标准包装: 1,000
系列: SHCV
变阻器电压: 33V
电流 - 浪涌: 800A
电路数: 1
最大交流电压: 20VAC
最大直流电压: 26VDC
能量: 3.0J
封装/外壳: 径向
产品目录页面: 2358 (CN2011-ZH PDF)
其它名称: 495-4014
Leaded transient voltage/RFI suppressors (SHCVs)
SHCV series
Profile feature
Preheat and soak
Sn-Pb eutectic assembly
Pb-free assembly
Time (t P ) within 5 ° C of specified
- Temperature min
- Temperature max
- Time
Average ramp-up rate
Liquidous temperature
Time at liquidous
Peak package body temperature
3)
classification temperature (T c )
Average ramp-down rate
Time 25 ° C to peak temperature
T smin
T smax
t smin to t smax
T smax to T p
T L
t L
T p1)
T p to T smax
100 ° C
150 ° C
60 ... 120 s
3 ° C/ s max.
183 ° C
60 ... 150 s
220 ° C ... 235 ° C 2)
20 s 3)
6 ° C/ s max.
maximum 6 min
150 ° C
200 ° C
60 ... 180 s
3 ° C/ s max.
217 ° C
60 ... 150 s
245 ° C ... 260 ° C 2)
30 s 3)
6 ° C/ s max.
maximum 8 min
1) Tolerance for peak profile temperature (T P ) is defined as a supplier minimum and a user maximum.
2) Depending on package thickness. For details please refer to JEDEC J-STD-020D.
3) Tolerance for time at peak profile temperature (t P ) is defined as a supplier minimum and a user maximum.
Note: All temperatures refer to topside of the package, measured on the package body surface.
Number of reflow cycles: 3
2.2
Wave soldering temperature profile
Temperature characteristics at component terminal with dual-wave soldering
Please read Cautions and warnings and
Important notes at the end of this document.
Page 16 of 29
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