Add symbol for MMTL431A

README.MD

@@ -25,6 +25,7 @@ Libraries for KiCad.
 * LM2596
 * LTC3612 TSSOP version
 * SIM2-XXXXD  (SIL) dual voltage switching regulator series.
+* MMTL431A Reference voltage source (similar to Zener diode)
 
 ## stm32f4
 * STM32F407VGT

schematics/shimatta_regulators.lib

@@ -72,6 +72,22 @@ X Drive_Coll 8 -200 -150 200 R 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# MMTL431A
+#
+DEF MMTL431A U 0 40 Y Y 1 F N
+F0 "U" 150 200 50 H V C CNN
+F1 "MMTL431A" 300 50 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 3 0 1 0 -100 0 100 0 100 50 N
+P 5 0 1 0 -50 100 100 100 0 0 -100 100 -50 100 N
+X ~ 1 -250 50 200 R 50 50 1 1 P
+X ~ 2 0 -100 100 U 50 50 1 1 P
+X ~ 3 0 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # SIM2-XXXXD
 #
 DEF SIM2-XXXXD U 0 40 Y Y 1 F N