diff --git a/library/transistors.dcm b/library/transistors.dcm
index d53fe679..1138a1f2 100644
--- a/library/transistors.dcm
+++ b/library/transistors.dcm
@@ -1,4 +1,4 @@
-EESchema-DOCLIB  Version 2.0  Date: 2012-05-06 10:16:52
+EESchema-DOCLIB  Version 2.0  Date: 2012-05-20 12:52:01
 #
 $CMP BC237
 F transistors/bipolar/bc237.pdf
@@ -68,6 +68,12 @@ K BC560 PNP Transistor
 F http://www.fairchildsemi.com/ds/BC/BC557.pdf
 $ENDCMP
 #
+$CMP BC636
+D BC636, 45V Vce, 1A Ic, PNP Medium Power Transistor, TO-92
+K BC636 PNP Transistor
+F http://www.fairchildsemi.com/ds/BC/BC636.pdf
+$ENDCMP
+#
 $CMP BC817-40
 D BC817-40, 45V Vce, 0.8A Ic, NPN, SOT-23
 K BC817 BC337 Equivalent
@@ -110,6 +116,30 @@ K BC858 BC558 Equivalent
 F http://www.fairchildsemi.com/ds/BC/BC856.pdf
 $ENDCMP
 #
+$CMP BCP51
+D BCP51, 45V Vce, 1A Ic, PNP Medium Power Transistor, SOT-223
+K BCP51 PNP Transistor
+F http://www.fairchildsemi.com/ds/BC/BCP51.pdf
+$ENDCMP
+#
+$CMP BCX51
+D BCX51, 45V Vce, 1A Ic, PNP Medium Power Transistor, SOT-89
+K BCX51 PNP Transistor
+F http://www.infineon.com/dgdl/bcx51_bcx52_bcx53.pdf
+$ENDCMP
+#
+$CMP BCX52
+D BCX52, 60V Vce, 1A Ic, PNP Medium Power Transistor, SOT-89
+K BCX52 PNP Transistor
+F http://www.infineon.com/dgdl/bcx51_bcx52_bcx53.pdf
+$ENDCMP
+#
+$CMP BCX53
+D BCX53, 80V Vce, 1A Ic, PNP Medium Power Transistor, SOT-89
+K BCX53 PNP Transistor
+F http://www.infineon.com/dgdl/bcx51_bcx52_bcx53.pdf
+$ENDCMP
+#
 $CMP BD135
 D BD135, 1.5A, Low Voltage Transistor
 K Low Voltage Transistor TO126
@@ -640,12 +670,30 @@ K HEXFET N-Channel MOSFET
 F http://www.irf.com/product-info/datasheets/data/irf540n.pdf
 $ENDCMP
 #
+$CMP IRF7309IPBF
+D IRF7309IPBF, 30V Vds, 3A Id, Dual HEXFET MOSFET, SO8
+K Dual HEXFET N-Channel P-Channel MOSFET
+F http://www.irf.com/product-info/datasheets/data/irf7309ipbf.pdf
+$ENDCMP
+#
+$CMP IRF7343PBF
+D IRF7343PBF, 55V Vds, 4A Id, Dual HEXFET MOSFET, SO8
+K Dual HEXFET N-Channel P-Channel MOSFET
+F http://www.irf.com/product-info/datasheets/data/irf7343ipbf.pdf
+$ENDCMP
+#
 $CMP IRF9540N
 D IRF9540N, -100V Vds, -23A Id, HEXFET P-Channel MOSFET, TO220
 K HEXFET P-Channel MOSFET
 F http://www.irf.com/product-info/datasheets/data/irf9540n.pdf
 $ENDCMP
 #
+$CMP IRG4PF50W
+D IRG4PF50W, 28A, 900V, N-Channel IGBT
+K N-Channel IGBT Power Transistor
+F http://www.irf.com/product-info/datasheets/data/irg4pf50w.pdf
+$ENDCMP
+#
 $CMP MAT02
 F transistors/bipolar/bc237.pdf
 $ENDCMP
@@ -662,4 +710,52 @@ $CMP MPSA92
 F transistors/bipolar/mpsa92.pdf
 $ENDCMP
 #
+$CMP PN2222A
+D PN2222A, 40V Vce, 1A Ic, NPN, General Purpose Transistor,TO-92
+K NPN General Puprose Transistor TO92
+F http://www.fairchildsemi.com/ds/PN/PN2222A.pdf
+$ENDCMP
+#
+$CMP PZT2222A
+D PZT2222A, 40V Vce, 1A Ic, NPN, General Purpose Transistor, SOT223
+K NPN General Puprose Transistor SMD SOT223
+F http://www.fairchildsemi.com/ds/PN/PN2222A.pdf
+$ENDCMP
+#
+$CMP TIP120
+D TIP120, 5A Ic, 60V Vce, Silicon Darlington Power Transistor NPN
+K Darlington Power Transistor NPN
+F http://www.fairchildsemi.com/ds/TI/TIP120.pdf
+$ENDCMP
+#
+$CMP TIP121
+D TIP121, 5A Ic, 80V Vce, Silicon Darlington Power Transistor NPN
+K Darlington Power Transistor NPN
+F http://www.fairchildsemi.com/ds/TI/TIP120.pdf
+$ENDCMP
+#
+$CMP TIP122
+D TIP122, 5A Ic, 100V Vce, Silicon Darlington Power Transistor NPN
+K Darlington Power Transistor NPN
+F http://www.fairchildsemi.com/ds/TI/TIP120.pdf
+$ENDCMP
+#
+$CMP TIP125
+D TIP125, 5A Ic, 60V Vce, Silicon Darlington Power Transistor PNP
+K Darlington Power Transistor PNP
+F http://www.fairchildsemi.com/ds/TI/TIP125.pdf
+$ENDCMP
+#
+$CMP TIP126
+D TIP126, 5A Ic, 80V Vce, Silicon Darlington Power Transistor PNP
+K Darlington Power Transistor PNP
+F http://www.fairchildsemi.com/ds/TI/TIP125.pdf
+$ENDCMP
+#
+$CMP TIP127
+D TIP127, 5A Ic, 100V Vce, Silicon Darlington Power Transistor PNP
+K Darlington Power Transistor PNP
+F http://www.fairchildsemi.com/ds/TI/TIP125.pdf
+$ENDCMP
+#
 #End Doc Library
diff --git a/library/transistors.lib b/library/transistors.lib
index e0e10cb8..9bc636ab 100644
--- a/library/transistors.lib
+++ b/library/transistors.lib
@@ -1,4 +1,4 @@
-EESchema-LIBRARY Version 2.3  Date: 2012-05-06 10:16:52
+EESchema-LIBRARY Version 2.3  Date: 2012-05-20 12:52:01
 #encoding utf-8
 #
 # BC237
@@ -90,6 +90,27 @@ X E 3 100 -200 100 U 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# BC636
+#
+DEF BC636 Q 0 0 Y Y 1 F N
+F0 "Q" 0 -149 40 H V R CNN
+F1 "BC636" 0 150 40 H V R CNN
+F2 "TO92" -100 102 29 H V C CNN
+$FPLIST
+ TO92*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0  0 0  100 100 N
+P 3 0 1 20  0 75  0 -75  0 -75 F
+P 3 0 1 0  100 -100  0 0  0 0 N
+P 5 0 1 0  50 -70  70 -50  30 -30  50 -70  50 -70 F
+X E 1 100 -200 100 U 40 40 1 1 P
+X C 2 100 200 100 D 40 40 1 1 P
+X B 3 -200 0 200 R 40 40 1 1 I
+ENDDRAW
+ENDDEF
+#
 # BC817-40
 #
 DEF BC817-40 Q 0 0 Y Y 1 F N
@@ -160,6 +181,49 @@ X C 3 100 200 100 D 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# BCP51
+#
+DEF BCP51 Q 0 0 Y Y 1 F N
+F0 "Q" 0 -149 40 H V R CNN
+F1 "BCP51" 0 150 40 H V R CNN
+F2 "SOT-223" -100 102 29 H V C CNN
+$FPLIST
+ SOT-223*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0  0 0  100 100 N
+P 3 0 1 20  0 75  0 -75  0 -75 F
+P 3 0 1 0  100 -100  0 0  0 0 N
+P 5 0 1 0  50 -70  70 -50  30 -30  50 -70  50 -70 F
+X B 1 -200 0 200 R 40 40 1 1 I
+X C 2 100 200 100 D 40 40 1 1 P
+X E 3 100 -200 100 U 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
+# BCX51
+#
+DEF BCX51 Q 0 0 Y Y 1 F N
+F0 "Q" 0 -149 40 H V R CNN
+F1 "BCX51" 0 150 40 H V R CNN
+F2 "SOT-89" -100 102 29 H V C CNN
+ALIAS BCX52 BCX53
+$FPLIST
+ SOT-89*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0  0 0  100 100 N
+P 3 0 1 20  0 75  0 -75  0 -75 F
+P 3 0 1 0  100 -100  0 0  0 0 N
+P 5 0 1 0  50 -70  70 -50  30 -30  50 -70  50 -70 F
+X B 1 -200 0 200 R 40 40 1 1 I
+X C 2 100 200 100 D 40 40 1 1 P
+X E 3 100 -200 100 U 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
 # BD139
 #
 DEF BD139 Q 0 0 Y Y 1 F N
@@ -3075,6 +3139,90 @@ X S 3 100 -200 100 U 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# IRF7309IPBF
+#
+DEF IRF7309IPBF Q 0 0 Y Y 2 L N
+F0 "Q" 0 -148 40 H V R CNN
+F1 "IRF7309IPBF" 0 149 40 H V R CNN
+F2 "SO8" -179 101 29 H V C CNN
+$FPLIST
+ SO8*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+C 100 -50 5 0 1 0 N
+C 100 50 5 0 1 0 N
+C 130 50 5 0 1 0 N
+P 2 0 1 20  25 -40  25 -65 N
+P 2 0 1 20  25 15  25 -15 N
+P 2 0 1 20  25 65  25 40 N
+P 3 0 1 10  0 60  0 -60  0 -60 N
+P 3 0 1 0  200 100  200 50  100 50 N
+P 4 0 1 0  30 -50  100 -50  100 -100  100 -100 N
+P 4 0 1 0  30 50  100 50  100 100  100 100 N
+P 4 0 1 0  100 50  130 50  130 -50  100 -50 N
+P 5 0 1 0  30 0  50 0  100 0  100 -50  100 -50 N
+P 2 1 1 0  120 15  115 10 N
+P 2 1 1 0  120 15  140 15 N
+P 2 1 1 0  140 15  145 20 N
+P 4 1 1 0  130 15  120 -10  140 -10  130 15 F
+P 6 1 1 0  35 0  75 15  75 -15  35 0  40 0  40 0 F
+X S 1 100 -200 100 U 40 40 1 1 P
+X G 2 -200 0 200 R 40 40 1 1 I
+X D2 7 200 200 100 D 40 29 1 1 P
+X D1 8 100 200 100 D 40 29 1 1 P
+P 4 2 1 0  100 0  60 15  60 -15  100 0 F
+P 4 2 1 0  115 -20  120 -15  140 -15  145 -10 N
+P 4 2 1 0  130 -15  120 10  140 10  130 -15 F
+X 1 3 100 -200 100 U 40 40 2 1 P
+X G 4 -200 0 200 R 40 40 2 1 I
+X D2 5 200 200 100 D 40 29 2 1 P
+X D1 6 100 200 100 D 40 29 2 1 P
+ENDDRAW
+ENDDEF
+#
+# IRF7343PBF
+#
+DEF IRF7343PBF Q 0 0 Y Y 2 L N
+F0 "Q" 0 -148 40 H V R CNN
+F1 "IRF7343PBF" 0 149 40 H V R CNN
+F2 "SO8" -179 101 29 H V C CNN
+$FPLIST
+ SO8*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+C 100 -50 5 0 1 0 N
+C 100 50 5 0 1 0 N
+C 130 50 5 0 1 0 N
+P 2 0 1 20  25 -40  25 -65 N
+P 2 0 1 20  25 15  25 -15 N
+P 2 0 1 20  25 65  25 40 N
+P 3 0 1 10  0 60  0 -60  0 -60 N
+P 3 0 1 0  200 100  200 50  100 50 N
+P 4 0 1 0  30 -50  100 -50  100 -100  100 -100 N
+P 4 0 1 0  30 50  100 50  100 100  100 100 N
+P 4 0 1 0  100 50  130 50  130 -50  100 -50 N
+P 5 0 1 0  30 0  50 0  100 0  100 -50  100 -50 N
+P 2 1 1 0  120 15  115 10 N
+P 2 1 1 0  120 15  140 15 N
+P 2 1 1 0  140 15  145 20 N
+P 4 1 1 0  130 15  120 -10  140 -10  130 15 F
+P 6 1 1 0  35 0  75 15  75 -15  35 0  40 0  40 0 F
+X S 1 100 -200 100 U 40 40 1 1 P
+X G 2 -200 0 200 R 40 40 1 1 I
+X D2 7 200 200 100 D 40 29 1 1 P
+X D1 8 100 200 100 D 40 29 1 1 P
+P 4 2 1 0  100 0  60 15  60 -15  100 0 F
+P 4 2 1 0  115 -20  120 -15  140 -15  145 -10 N
+P 4 2 1 0  130 -15  120 10  140 10  130 -15 F
+X 1 3 100 -200 100 U 40 40 2 1 P
+X G 4 -200 0 200 R 40 40 2 1 I
+X D2 5 200 200 100 D 40 29 2 1 P
+X D1 6 100 200 100 D 40 29 2 1 P
+ENDDRAW
+ENDDEF
+#
 # IRF9540N
 #
 DEF IRF9540N Q 0 0 Y Y 1 F N
@@ -3113,6 +3261,34 @@ X S 3 100 -200 100 U 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# IRG4PF50W
+#
+DEF IRG4PF50W Q 0 0 Y Y 1 F N
+F0 "Q" -50 -150 40 H V R CNN
+F1 "IRG4PF50W" 0 150 40 H V R CNN
+F2 "TO247AC" -170 105 29 H I C CNN
+$FPLIST
+ TO247*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 12 N
+C 50 0 125 0 1 10 N
+P 2 0 1 10  0 60  0 -60 N
+P 2 0 1 0  100 -100  25 -25 N
+P 2 0 1 0  100 100  25 25 N
+P 2 0 1 12  125 105  145 130 N
+P 2 0 1 12  130 -100  150 -125 N
+P 2 0 1 12  165 -60  190 -75 N
+P 2 0 1 12  165 60  190 75 N
+P 2 0 1 12  180 0  210 0 N
+P 3 0 1 20  25 75  25 -75  25 -75 N
+P 5 0 1 0  55 -75  75 -55  95 -95  55 -75  55 -75 F
+X G 1 -200 0 200 R 40 40 1 1 I
+X C 2 100 200 100 D 40 40 1 1 P
+X E 3 100 -200 100 U 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
 # MAT02
 #
 DEF MAT02 Q 0 0 Y Y 2 F N
@@ -3211,4 +3387,124 @@ X E E 100 -200 100 U 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# PN2222A
+#
+DEF PN2222A Q 0 0 Y Y 1 F N
+F0 "Q" 0 -148 40 H V R CNN
+F1 "PN2222A" 0 150 40 H V R CNN
+F2 "TO92" -100 102 29 H V C CNN
+$FPLIST
+ TO92*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0  0 0  100 100 N
+P 3 0 1 20  0 75  0 -75  0 -75 N
+P 3 0 1 0  50 -50  0 0  0 0 F
+P 3 0 1 0  90 -90  70 -70  70 -70 N
+P 3 0 1 0  90 -90  100 -100  100 -100 N
+P 5 0 1 0  30 -50  50 -30  70 -70  30 -50  30 -50 F
+X B 2 -200 0 200 R 40 40 1 1 I
+X E 2 100 -200 100 U 40 40 1 1 P
+X C 3 100 200 100 D 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
+# PZT2222A
+#
+DEF PZT2222A Q 0 0 Y Y 1 F N
+F0 "Q" 0 -148 40 H V R CNN
+F1 "PZT2222A" 0 150 40 H V R CNN
+F2 "SOT223" -200 102 29 H V C CNN
+$FPLIST
+ SOT223*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0  0 0  100 100 N
+P 3 0 1 20  0 75  0 -75  0 -75 N
+P 3 0 1 0  50 -50  0 0  0 0 F
+P 3 0 1 0  90 -90  70 -70  70 -70 N
+P 3 0 1 0  90 -90  100 -100  100 -100 N
+P 5 0 1 0  30 -50  50 -30  70 -70  30 -50  30 -50 F
+X B 1 -200 0 200 R 40 40 1 1 I
+X C 2 100 200 100 D 40 40 1 1 P
+X E 3 100 -200 100 U 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
+# TIP120
+#
+DEF TIP120 Q 0 0 Y Y 1 F N
+F0 "Q" -50 -150 40 H V R CNN
+F1 "TIP120" 0 150 40 H V R CNN
+F2 "TO220" -120 105 29 H I C CNN
+ALIAS TIP121 TIP122
+$FPLIST
+ TO220*
+$ENDFPLIST
+DRAW
+C 50 0 125 0 1 14 N
+C 100 -90 5 0 1 0 N
+C 100 90 5 0 1 0 N
+P 2 0 1 0  5 0  100 95 N
+P 2 0 1 0  5 20  100 115 N
+P 2 0 1 0  100 -95  100 -100 N
+P 2 0 1 0  100 90  100 110 N
+P 2 0 1 0  105 15  135 15 N
+P 2 0 1 12  125 105  145 130 N
+P 2 0 1 12  130 -100  150 -125 N
+P 2 0 1 12  165 -60  190 -75 N
+P 2 0 1 12  165 60  190 75 N
+P 2 0 1 12  180 0  210 0 N
+P 3 0 1 20  0 75  0 -75  0 -75 N
+P 3 0 1 0  50 -45  0 5  0 5 F
+P 3 0 1 0  100 -95  70 -65  70 -65 N
+P 3 0 1 0  100 -90  120 -90  120 -10 N
+P 3 0 1 0  100 90  120 90  120 15 N
+P 4 0 1 0  120 15  105 -15  135 -15  120 15 F
+P 5 0 1 0  30 -45  50 -25  70 -65  30 -45  30 -45 F
+X B 1 -200 0 200 R 40 40 1 1 I
+X C 2 100 200 100 D 40 40 1 1 P
+X E 3 100 -200 100 U 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
+# TIP125
+#
+DEF TIP125 Q 0 0 Y Y 1 F N
+F0 "Q" -50 -150 40 H V R CNN
+F1 "TIP125" 0 150 40 H V R CNN
+F2 "TO220" -120 105 29 H I C CNN
+ALIAS TIP126 TIP127
+$FPLIST
+ TO220*
+$ENDFPLIST
+DRAW
+C 50 0 125 0 1 14 N
+C 100 -90 5 0 1 0 N
+C 100 90 5 0 1 0 N
+P 2 0 1 0  5 0  100 95 N
+P 2 0 1 0  5 20  100 115 N
+P 2 0 1 0  100 -95  100 -100 N
+P 2 0 1 0  100 90  100 110 N
+P 2 0 1 0  105 -15  135 -15 N
+P 2 0 1 12  125 105  145 130 N
+P 2 0 1 12  130 -100  150 -125 N
+P 2 0 1 12  165 -60  190 -75 N
+P 2 0 1 12  165 60  190 75 N
+P 2 0 1 12  180 0  210 0 N
+P 3 0 1 20  0 75  0 -75  0 -75 N
+P 3 0 1 0  55 -50  5 0  5 0 F
+P 3 0 1 0  100 -95  70 -65  70 -65 N
+P 3 0 1 0  100 -90  120 -90  120 -10 N
+P 3 0 1 0  100 90  120 90  120 15 N
+P 4 0 1 0  120 -15  105 15  135 15  120 -15 F
+P 5 0 1 0  85 -60  65 -80  45 -40  85 -60  85 -60 F
+X B 1 -200 0 200 R 40 40 1 1 I
+X C 2 100 200 100 D 40 40 1 1 P
+X E 3 100 -200 100 U 40 40 1 1 P
+ENDDRAW
+ENDDEF
+#
 #End Library