ALPHA® 预成型坯件垫圈

预成型坯件垫圈可用于印刷电路板组装、将印刷电路板集成到更高等级的装配中,以及作为主要焊料来制造多种电子元件和电气设备。

Washer

solder preform washer


OD
Min = .020" (0.51mm)
Max = 3.00" (76.0mm)
ID
Min = .008" (0.2mm)
Max = OD - .010" (0.25mm)
 
T (Thickness)
Min = .002" (0.05mm)
Max = .110" (2.80mm)
 

焊料垫圈 - 常见合金

Low Temp RoHS

High Sn RoHS

High Temp

Low Temp

SnBi58

SAC305

Sn5Pb

SnPb37

SnBi57.6Ag0.4

SACX0307

Sn10Pb88Ag2

SnPb36Ag2

 

SnAg4

 

In50Pb50

 

SnSb1

 

 


Alpha provides a wide variety of solder alloys for washers – please inquire


Flux Overview
 Flux Classification
 Historical Flux Classification
Flux Type
 EN 29454
J-STD-004
 DIN 8511
IPC-SF-818
 QQS 571
RS 1
1.1.3
ROL0 F-SW-32
L3CN
R
RS 2.1
1.1.2
ROL1 F-SW-26
M3CN
RMA

RS 2.2

1.1.2
ROL1
F-SW-26
M3CN
RMA
RS 3
1.1.2
ROL1
F-SW-26
L2CN
RA
RS 4
1.1.2
ROM1
F-SW-26
M3CN
RA
RS 6
1.1.2
ROH1
F-SW-26
M3CN
RSA
RS 7
1.1.2
ROH1
F-SW-26
M3CN
RSA

 

 
  
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