diff --git a/Converter_DCDC.dcm b/Converter_DCDC.dcm
index e6cd6826e5..ac3ba86f6f 100644
--- a/Converter_DCDC.dcm
+++ b/Converter_DCDC.dcm
@@ -240,6 +240,42 @@ K XP_POWER isolated DC/DC Converter module
 F https://www.xppower.com/Portals/0/pdfs/SF_JTE06.pdf
 $ENDCMP
 #
+$CMP NCS1S1203SC
+D Isolated 1W 4:1 input DC/DC converter module, 4.5-18V input voltage, 3.3V output voltage, SIP
+K Murata isolated isolation dc-dc converter step-down
+F https://power.murata.com/data/power/ncl/kdc_ncs1.pdf
+$ENDCMP
+#
+$CMP NCS1S1205SC
+D Isolated 1W 4:1 input DC/DC converter module, 4.5-18V input voltage, 5.0V output voltage, SIP
+K Murata isolated isolation dc-dc converter step-down
+F https://power.murata.com/data/power/ncl/kdc_ncs1.pdf
+$ENDCMP
+#
+$CMP NCS1S1212SC
+D Isolated 1W 4:1 input DC/DC converter module, 4.5-18V input voltage, 12.0V output voltage, SIP
+K Murata isolated isolation dc-dc converter step-down
+F https://power.murata.com/data/power/ncl/kdc_ncs1.pdf
+$ENDCMP
+#
+$CMP NCS1S2403SC
+D Isolated 1W 4:1 input DC/DC converter module, 9-36V input voltage, 3.3V output voltage, SIP
+K Murata isolated isolation dc-dc converter step-down
+F https://power.murata.com/data/power/ncl/kdc_ncs1.pdf
+$ENDCMP
+#
+$CMP NCS1S2405SC
+D Isolated 1W 4:1 input DC/DC converter module, 9-36V input voltage, 5.0V output voltage, SIP
+K Murata isolated isolation dc-dc converter step-down
+F https://power.murata.com/data/power/ncl/kdc_ncs1.pdf
+$ENDCMP
+#
+$CMP NCS1S2412SC
+D Isolated 1W 4:1 input DC/DC converter module, 9-36V input voltage, 12.0V output voltage, SIP
+K Murata isolated isolation dc-dc converter step-down
+F https://power.murata.com/data/power/ncl/kdc_ncs1.pdf
+$ENDCMP
+#
 $CMP TC7662AxPA
 D Charge Pump DC-to-DC Converter, 3 - 18V, 40mA, DIP-8
 K charge pump DC-to-DC converter
diff --git a/Converter_DCDC.lib b/Converter_DCDC.lib
index 0ed1be67ca..70b58c05ea 100644
--- a/Converter_DCDC.lib
+++ b/Converter_DCDC.lib
@@ -179,6 +179,33 @@ X COM 9 500 0 100 L 50 50 1 1 P N
 ENDDRAW
 ENDDEF
 #
+# NCS1S1203SC
+#
+DEF NCS1S1203SC U 0 20 Y Y 1 F N
+F0 "U" -350 350 50 H V C CNN
+F1 "NCS1S1203SC" 350 350 50 H V C CNN
+F2 "Converter_DCDC:Converter_DCDC_Murata_NCS1SxxxxSC_THT" 0 -400 50 H I C CNN
+F3 "" -25 0 50 H I C CNN
+ALIAS NCS1S1205SC NCS1S1212SC NCS1S2403SC NCS1S2405SC NCS1S2412SC
+$FPLIST
+ Converter*DCDC*Murata*NCS1SxxxxSC*
+$ENDFPLIST
+DRAW
+S -400 300 400 -300 0 1 10 f
+P 2 0 1 0 0 -200 0 -250 N
+P 2 0 1 0 0 -100 0 -150 N
+P 2 0 1 0 0 0 0 -50 N
+P 2 0 1 0 0 100 0 50 N
+P 2 0 1 0 0 200 0 150 N
+P 2 0 1 0 0 300 0 250 N
+X -VIN 1 -500 -200 100 R 50 50 1 1 W
+X +VIN 2 -500 200 100 R 50 50 1 1 W
+X Control 3 -500 0 100 R 50 50 1 1 I
+X +VOUT 6 500 200 100 L 50 50 1 1 w
+X -VOUT 7 500 -200 100 L 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
 # TC7662AxPA
 #
 DEF TC7662AxPA U 0 20 Y Y 1 F N