diff --git a/library/ESD_Protection.lib b/library/ESD_Protection.lib
index a64a51a8..fb456534 100644
--- a/library/ESD_Protection.lib
+++ b/library/ESD_Protection.lib
@@ -30,6 +30,51 @@ X K 2 100 200 100 D 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
+# PESD3V3L4UF
+#
+DEF PESD3V3L4UF D 0 40 N N 4 L N
+F0 "D" 0 100 50 H V C CNN
+F1 "PESD3V3L4UF" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+ALIAS PESD3V3L4UG PESD3V3L4UW PESD5V0L4UF PESD5V0L4UG PESD5V0L4UW
+$FPLIST
+ SOT*
+$ENDFPLIST
+DRAW
+P 4 0 1 8 -60 40 -40 20 -40 -20 -20 -40 N
+P 4 0 1 0 40 40 -40 0 40 -40 40 40 F
+X A 2 100 0 100 L 50 50 0 1 P
+X K1 1 -100 0 100 R 50 50 1 1 P
+X K2 3 -100 0 100 R 50 50 2 1 P
+X K3 4 -100 0 100 R 50 50 3 1 P
+X K4 5 -100 0 100 R 50 50 4 1 P
+ENDDRAW
+ENDDEF
+#
+# PESD3V3L5UF
+#
+DEF PESD3V3L5UF D 0 40 N N 5 L N
+F0 "D" 0 100 50 H V C CNN
+F1 "PESD3V3L5UF" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H V C CNN
+F3 "" 0 0 50 H V C CNN
+ALIAS PESD3V3L5UV PESD3V3L5UY PESD5V0L5UF PESD5V0L5UV PESD5V0L5UY
+$FPLIST
+ SOT*
+$ENDFPLIST
+DRAW
+P 4 0 1 8 -60 40 -40 20 -40 -20 -20 -40 N
+P 4 0 1 0 40 40 -40 0 40 -40 40 40 F
+X A 2 100 0 100 L 50 50 0 1 P
+X K1 1 -100 0 100 R 50 50 1 1 P
+X K2 3 -100 0 100 R 50 50 2 1 P
+X K3 4 -100 0 100 R 50 50 3 1 P
+X K4 5 -100 0 100 R 50 50 4 1 P
+X K5 6 -100 0 100 R 50 50 5 1 P
+ENDDRAW
+ENDDEF
+#
 # PRTR5V0U2X
 #
 DEF PRTR5V0U2X D 0 40 Y Y 1 F N