diff --git a/my_additions.kicad_sym b/my_additions.kicad_sym
index 8d068e7..43ae3ee 100644
--- a/my_additions.kicad_sym
+++ b/my_additions.kicad_sym
@@ -786,6 +786,23 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
+  (symbol "B0512S-1WR3" (extends "B1212S-1WR3")
+    (property "Reference" "PS" (at -5.08 6.35 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "B0512S-1WR3" (at 7.62 6.35 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "my_additions:MORNSUN_B0505S-1WR3" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_description" "MORNSUN BxxxxS-1WR3 DC-DC isolator (converter)" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+  )
   (symbol "B1212S-2WR2" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
     (property "Reference" "PS" (at -5.08 6.35 0)
       (effects (font (size 1.27 1.27)))
@@ -967,6 +984,97 @@
       )
     )
   )
+  (symbol "BAT54S_Small" (pin_names (offset 0.002)) (in_bom yes) (on_board yes)
+    (property "Reference" "D" (at 1.27 -2.54 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "BAT54S" (at 0 2.54 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23" (at 0 6.35 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.diodes.com/_files/datasheets/ds11005.pdf" (at 0 8.89 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_keywords" "schottky diode common cathode" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_description" "dual schottky barrier diode, in series" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "ki_fp_filters" "SOT?23*" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "BAT54S_Small_0_1"
+      (polyline
+        (pts
+          (xy -1.905 0)
+          (xy 1.905 0)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -1.905 0.635)
+          (xy -1.905 -0.635)
+          (xy -0.635 0)
+          (xy -1.905 0.635)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -0.889 0.635)
+          (xy -0.635 0.635)
+          (xy -0.635 -0.635)
+          (xy -0.381 -0.635)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy 0.635 0.635)
+          (xy 0.635 -0.635)
+          (xy 1.905 0)
+          (xy 0.635 0.635)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy 1.651 0.635)
+          (xy 1.905 0.635)
+          (xy 1.905 -0.635)
+          (xy 2.159 -0.635)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (circle (center 0 0) (radius 0.254)
+        (stroke (width 0) (type default))
+        (fill (type outline))
+      )
+    )
+    (symbol "BAT54S_Small_1_1"
+      (pin passive line (at -3.81 0 0) (length 1.905)
+        (name "~" (effects (font (size 1.27 1.27))))
+        (number "1" (effects (font (size 1 1))))
+      )
+      (pin passive line (at 3.81 0 180) (length 1.905)
+        (name "~" (effects (font (size 1.27 1.27))))
+        (number "2" (effects (font (size 1 1))))
+      )
+      (pin passive line (at 0 -2.54 90) (length 2.54)
+        (name "~" (effects (font (size 1.27 1.27))))
+        (number "3" (effects (font (size 1 1))))
+      )
+    )
+  )
   (symbol "BAV99_Small" (pin_names hide) (in_bom yes) (on_board yes)
     (property "Reference" "D" (at 0 5.08 0)
       (effects (font (size 1.27 1.27)))