diff --git a/scripts/Packages/Package_Gullwing__QFP_SOIC_SO/size_definitions/soic.yaml b/scripts/Packages/Package_Gullwing__QFP_SOIC_SO/size_definitions/soic.yaml
index e1737a864..36e48fdc7 100644
--- a/scripts/Packages/Package_Gullwing__QFP_SOIC_SO/size_definitions/soic.yaml
+++ b/scripts/Packages/Package_Gullwing__QFP_SOIC_SO/size_definitions/soic.yaml
@@ -726,3 +726,26 @@ SOIC-28W_7.5x18.7mm_P1.27mm:
   pitch: 1.27
   num_pins_x: 0
   num_pins_y: 14
+
+SOIC-8_5x4mm_P1.27mm:
+  custom_name_format: 'SOIC-8_5x4mm_P1.27mm'
+  size_source: 'https://www.infineon.com/cms/en/product/packages/PG-DSO/PG-DSO-8-24/'
+  body_size_x:
+    nominal: 4
+  body_size_y:
+    nominal: 5
+  overall_size_x:
+    nominal: 6.0
+    tolerance: 0.2
+
+  lead_width:
+    minimum: 0.35
+    nominal: 0.41
+    maximum: 0.51
+  lead_len:
+    nominal: 0.64
+    tolerance: 0.25
+  pitch: 1.27
+
+  num_pins_x: 0
+  num_pins_y: 4