Soldering Guidelines For The "RJ-B" Relay Series
We use only precision equipment and proven testing methods,
specializing in metal to ceramic  seals.
The ceramic body assemblies of the "RJ-B" relays are brazed @ 810°C
in hydrogen atmosphere, therefore it should not be a problem to solder
any terminal leads using solder wire appropriate for electrical applications.
Both the switch and coil terminals are coated with 60/40 soft solder.
Recommended solder compositions:
TIN/LEAD 50/50, 40/60, 60/40
The tin/lead solder group constitutes the largest portion of solders
in use. With the exceptions, the tin/lead solders can be used to solder
copper, most copper alloys, lead, high nickel alloys and steel.
TIN/ANTIMONY 95/5
The tin/antimonial solder is useful for applications where moderately
elevated temperature is a factor. It has a high electrical conductivity
and is recommended where lead contamination must be avoided. The tin/antimony
solders are not recommended for use on brass.
| Nominal Composition |
Melting Temperature (°C) |
Uses |
| |
Sn/Pb/other |
Solidus |
Liquidus |
| 95/5 |
Sn/Sb |
236 |
243 |
High melting point Lead-free |
| 95.5/3.8/0.7 |
Sn/Ag/Cu |
217 |
217 |
Lead-free |
| 50/50 |
Sn/Pb |
183 |
212 |
General purpose |
| 60/40 |
Sn/Pb |
183 |
188 |
Electrical |
| 63/37 |
Sn/Pb |
183 |
183 |
Wave Soldering |
| 62/36/2 |
Sn/Pb/Ag |
179 |
179 |
Silver plated surfaces |
The use of acid flux/core is not recommended for this application since
its residues could damage the relay surface.
| 
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