Various

SEMS
April, 2012
Specialty Engineering and Manufacturing Services (SEMS)
The SEMS operation is announcing a change to the standard and custom hybrid modules listed below. The change is
the result of an end of life decision by our vendor, Alpha®, to discontinue one of its paste products. The change has no
impact on form, fit or function to the end products. The alloy used in the discontinued product and its replacement
are identical. Our processes remain the same.
• The material being discontinued is Alpha® WS619;
Solder alloy is SAC405 (95.5%Sn/4.0%Ag/0.5%Cu), SAC305 (96.5%/Sn 3.0%Ag 0.5%Cu), with halide free flux.
• The new material is Alpha® WS820;
Solder alloy is SAC405 (95.5%Sn/4.0%Ag/0.5%Cu), SAC305 (96.5%/Sn 3.0%Ag 0.5%Cu), with halide free flux.
This will be a running change; as the obsoleted material is consumed we will begin production with the new material.
As noted, there will be no variation in the solder alloy.
Material detail and comparisons are available upon request. Contact Customer Service for questions or assistance.
P/N
N4983LF
N4985LF
N5324LF
N6493 A
N6500 A
N6494 A
N5391LF
N6520LF
N5242LF
N5235LF
N5243LF
N5245LF
N5247LF
N5248LF
N5279LF
N5393LF
N6200LF
N6476LF
N6481LF
N6544LF
N6545LF
N6546LF
Description
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM -HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - LINE FEED RESISTOR
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - LINE FEED RESISTOR
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
P/N
N6578 C
N6527LF B
N6528LF A
N6532LF C
N6533LF B
N5032LF
N5440LF
N5057LF
N5232LF
N5234LF
N5238LF
N6055LF
N6504 A
N4920LF
N4968LF
N4969LF
N6030LF
N5238LF
N5241LF
N5446LF
N6534LF A
N6630LF
Description
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM - HYBRID
MM1201