The outer finish that gets soldered to the PC board is 100% matte tin. This is on top of a nickel barrier layer that sits on the initial silver plating that touches the electrodes at each end of the device.
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The outer finish that gets soldered to the PC board is 100% matte tin. This is on top of a nickel barrier layer that sits on the initial silver plating that touches the electrodes at each end of the device.
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