diff --git a/library/analog_switches.dcm b/library/analog_switches.dcm
index 7e1ba868..b0c1b5f0 100644
--- a/library/analog_switches.dcm
+++ b/library/analog_switches.dcm
@@ -306,6 +306,18 @@ K CMOS Analog Switch
 F https://www.vishay.com/docs/70679/dg9421.pdf
 $ENDCMP
 #
+$CMP FSA3157L6X
+D Single SPDT Low-Voltage Analog Switch or 2:1 Multiplexer/De-Multiplexer Bus Switch, 10Ohm Ron, MicroPak-6
+K CMOS Analog Switch
+F https://www.fairchildsemi.com/datasheets/NC/NC7SB3157.pdf
+$ENDCMP
+#
+$CMP FSA3157P6X
+D Single SPDT Low-Voltage Analog Switch or 2:1 Multiplexer/De-Multiplexer Bus Switch, 10Ohm Ron, SC-70-6
+K CMOS Analog Switch
+F https://www.fairchildsemi.com/datasheets/NC/NC7SB3157.pdf
+$ENDCMP
+#
 $CMP LAA110
 D opto mos 2 controls, 2 switches, norm OFF
 K CMOS Analog Switch OPTO
@@ -360,8 +372,14 @@ K CMOS Analog Switch
 F https://datasheets.maximintegrated.com/en/ds/MAX317-MAX319.pdf
 $ENDCMP
 #
-$CMP NC7SB3157
-D Low-Voltage SPDT Analog Switch or 2:1Multiplexer
+$CMP NC7SB3157L6X
+D Single SPDT Low-Voltage Analog Switch or 2:1 Multiplexer/De-Multiplexer Bus Switch, 10Ohm Ron, MicroPak-6
+K CMOS Analog Switch
+F https://www.fairchildsemi.com/datasheets/NC/NC7SB3157.pdf
+$ENDCMP
+#
+$CMP NC7SB3157P6X
+D Single SPDT Low-Voltage Analog Switch or 2:1 Multiplexer/De-Multiplexer Bus Switch, 10Ohm Ron, SC-70-6
 K CMOS Analog Switch
 F https://www.fairchildsemi.com/datasheets/NC/NC7SB3157.pdf
 $ENDCMP
diff --git a/library/analog_switches.lib b/library/analog_switches.lib
index 463cb662..31445082 100644
--- a/library/analog_switches.lib
+++ b/library/analog_switches.lib
@@ -2539,43 +2539,87 @@ X INOUTA1 8 400 250 200 L 40 25 1 1 P
 ENDDRAW
 ENDDEF
 #
-# NC7SB3157
+# NC7SB3157L6X
 #
-DEF NC7SB3157 U 0 0 Y Y 1 F N
-F0 "U" -300 200 50 H V L CNN
-F1 "NC7SB3157" 100 200 50 H V L CNN
-F2 "" 0 50 50 H I C CNN
-F3 "" 0 50 50 H I C CNN
+DEF NC7SB3157L6X U 0 5 Y Y 2 F N
+F0 "U" -125 185 50 H V L CNN
+F1 "NC7SB3157L6X" -125 115 50 H V L CNN
+F2 "Housings_SON:Fairchild_MicroPak-6_1.0x1.45mm_Pitch0.5mm" 0 -300 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+ALIAS FSA3157L6X
 $FPLIST
- *SC?70*
- *SOT?886*
- *SOT?363*
+ Fairchild*MicroPak*1.0x1.45mm*Pitch0.5mm*
 $ENDFPLIST
 DRAW
-C -100 0 15 0 1 0 N
-S -150 150 150 -150 0 1 10 f
-P 2 0 1 0 -145 100 -150 100 N
-P 2 0 1 0 -130 100 -135 100 N
-P 2 0 1 0 -115 100 -120 100 N
-P 2 0 1 0 -100 25 -100 20 N
-P 2 0 1 0 -100 40 -100 35 N
-P 2 0 1 0 -100 55 -100 50 N
-P 2 0 1 0 -100 70 -100 65 N
-P 2 0 1 0 -100 85 -100 80 N
-P 2 0 1 0 -100 100 -105 100 N
-P 2 0 1 0 -100 100 -100 95 N
-P 2 0 1 0 -85 -10 15 -70 N
-P 2 0 1 0 0 100 150 100 N
-P 2 0 1 0 150 -100 0 -100 N
-P 3 0 1 0 -150 -100 -100 -100 -100 -15 N
-P 5 0 1 0 -5 -100 15 -80 35 -100 -5 -100 -5 -100 N
-P 6 0 1 0 35 100 -5 100 15 80 35 100 35 100 35 100 N
-X GND 2 0 -300 150 U 50 50 0 1 W
-X B1 1 300 100 150 L 50 50 1 1 B
-X B0 3 300 -100 150 L 50 50 1 1 B
-X A 4 -300 -100 150 R 50 50 1 1 B
-X VCC 5 0 300 150 D 50 50 1 1 W
-X S 6 -300 100 150 R 50 50 1 1 I
+C -85 -100 20 1 1 10 N
+C 85 -200 20 1 1 10 N
+C 85 0 20 1 1 10 N
+S -150 75 150 -300 1 1 10 f
+S -150 400 150 -400 2 1 10 f
+P 2 1 1 0 -200 -100 -110 -100 N
+P 2 1 1 10 -65 -95 100 -25 N
+P 2 1 1 0 0 -300 0 -280 N
+P 2 1 1 0 0 -270 0 -260 N
+P 2 1 1 0 0 -250 0 -240 N
+P 2 1 1 0 0 -230 0 -220 N
+P 2 1 1 0 0 -210 0 -200 N
+P 2 1 1 0 0 -190 0 -180 N
+P 2 1 1 0 0 -170 0 -160 N
+P 2 1 1 0 0 -150 0 -140 N
+P 2 1 1 0 0 -130 0 -120 N
+P 2 1 1 0 0 -110 0 -100 N
+P 2 1 1 0 0 -90 0 -80 N
+P 2 1 1 0 0 -90 0 -80 N
+P 2 1 1 0 200 -200 110 -200 N
+P 2 1 1 0 200 0 110 0 N
+X GND 2 0 -500 100 U 50 50 2 0 W
+X V+ 5 0 500 100 D 50 50 2 0 W
+X ~ 1 300 -200 100 L 40 40 1 1 P
+X ~ 3 300 0 100 L 40 40 1 1 P
+X ~ 4 -300 -100 100 R 40 40 1 1 P
+X ~ 6 0 -400 100 U 40 40 1 1 I
+ENDDRAW
+ENDDEF
+#
+# NC7SB3157P6X
+#
+DEF NC7SB3157P6X U 0 5 Y Y 2 F N
+F0 "U" -125 185 50 H V L CNN
+F1 "NC7SB3157P6X" -125 115 50 H V L CNN
+F2 "TO_SOT_Packages_SMD:SOT-363_SC-70-6" 0 -300 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+ALIAS FSA3157P6X
+$FPLIST
+ *SC?70*
+$ENDFPLIST
+DRAW
+C -85 -100 20 1 1 10 N
+C 85 -200 20 1 1 10 N
+C 85 0 20 1 1 10 N
+S -150 75 150 -300 1 1 10 f
+S -150 400 150 -400 2 1 10 f
+P 2 1 1 0 -200 -100 -110 -100 N
+P 2 1 1 10 -65 -95 100 -25 N
+P 2 1 1 0 0 -300 0 -280 N
+P 2 1 1 0 0 -270 0 -260 N
+P 2 1 1 0 0 -250 0 -240 N
+P 2 1 1 0 0 -230 0 -220 N
+P 2 1 1 0 0 -210 0 -200 N
+P 2 1 1 0 0 -190 0 -180 N
+P 2 1 1 0 0 -170 0 -160 N
+P 2 1 1 0 0 -150 0 -140 N
+P 2 1 1 0 0 -130 0 -120 N
+P 2 1 1 0 0 -110 0 -100 N
+P 2 1 1 0 0 -90 0 -80 N
+P 2 1 1 0 0 -90 0 -80 N
+P 2 1 1 0 200 -200 110 -200 N
+P 2 1 1 0 200 0 110 0 N
+X GND 2 0 -500 100 U 50 50 2 0 W
+X V+ 5 0 500 100 D 50 50 2 0 W
+X ~ 1 300 -200 100 L 40 40 1 1 P
+X ~ 3 300 0 100 L 40 40 1 1 P
+X ~ 4 -300 -100 100 R 40 40 1 1 P
+X ~ 6 0 -400 100 U 40 40 1 1 I
 ENDDRAW
 ENDDEF
 #