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Changed Q1 to MMBT3904

It used to be an MMBT2222, now it's an MMBT3904.  The new transistor is
slightly lower-spec'd, but is still more than plenty for this
application.  Also, it's a MacroFab house part, so the boards will be
even cheaper to manufacture.
Clara Hobbs 7 years ago
parent
commit
b52821d9e1
3 changed files with 36 additions and 37 deletions
  1. 11
    11
      pd-buddy-sink/output.sch
  2. 23
    24
      pd-buddy-sink/pd-buddy-sink-cache.lib
  3. 2
    2
      pd-buddy-sink/pd-buddy-sink.kicad_pcb

+ 11
- 11
pd-buddy-sink/output.sch View File

@@ -112,17 +112,6 @@ F 3 "http://www.diodes.com/_files/datasheets/DMP4015SSS.pdf" H 6600 3600 50  000
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 	1    0    0    1   
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 $EndComp
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 $Comp
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-L MMBT2222AL Q1
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-U 1 1 588FA577
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-P 5450 4050
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-F 0 "Q1" H 5650 4125 50  0000 L CNN
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-F 1 "MMBT2222ALT1G" H 5650 4050 50  0000 L CNN
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-F 2 "TO_SOT_Packages_SMD:SOT-23" H 5650 3975 50  0001 L CIN
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-F 3 "" H 5450 4050 50  0000 L CNN
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-	1    5450 4050
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-	1    0    0    -1  
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-$EndComp
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-$Comp
126 115
 L Screw_Terminal_1x02 J1
127 116
 U 1 1 588FA688
128 117
 P 7000 4050
@@ -270,4 +259,15 @@ F 3 "" H 6500 3050 50  0001 C CNN
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 	1    6500 3050
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 	1    0    0    -1  
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 $EndComp
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+$Comp
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+L MMBT3904 Q1
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+U 1 1 59625136
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+P 5450 4050
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+F 0 "Q1" H 5650 4125 50  0000 L CNN
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+F 1 "MMBT3904" H 5650 4050 50  0000 L CNN
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+F 2 "TO_SOT_Packages_SMD:SOT-23" H 5650 3975 50  0001 L CIN
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+F 3 "" H 5450 4050 50  0001 L CNN
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+	1    5450 4050
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+	1    0    0    -1  
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+$EndComp
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 $EndSCHEMATC

+ 23
- 24
pd-buddy-sink/pd-buddy-sink-cache.lib View File

@@ -36,6 +36,29 @@ X VOUT 3 300 0 100 L 50 50 1 1 w
36 36
 ENDDRAW
37 37
 ENDDEF
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 #
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+# BC817
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+#
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+DEF BC817 Q 0 0 Y N 1 F N
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+F0 "Q" 200 75 50 H V L CNN
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+F1 "BC817" 200 0 50 H V L CNN
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+F2 "TO_SOT_Packages_SMD:SOT-23" 200 -75 50 H I L CIN
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+F3 "" 0 0 50 H I L CNN
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+ALIAS BC818 BC847 BC848 BC849 BC850 MMBT3904
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+$FPLIST
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+ SOT?23*
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+$ENDFPLIST
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+DRAW
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+C 50 0 111 0 1 10 N
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+P 2 0 1 0 25 25 100 100 N
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+P 3 0 1 0 25 -25 100 -100 100 -100 N
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+P 3 0 1 20 25 75 25 -75 25 -75 N
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+P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
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+X B 1 -200 0 225 R 50 50 1 1 I
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+X E 2 100 -200 100 U 50 50 1 1 P
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+X C 3 100 200 100 D 50 50 1 1 P
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+ENDDRAW
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+ENDDEF
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+#
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 # C
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 #
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 DEF C C 0 10 N Y 1 F N
@@ -241,30 +264,6 @@ X A 2 150 0 100 L 50 50 1 1 P
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 ENDDRAW
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 ENDDEF
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 #
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-# MMBT2222AL
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-#
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-DEF MMBT2222AL Q 0 0 Y Y 1 F N
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-F0 "Q" 200 75 50 H V L CNN
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-F1 "MMBT2222AL" 200 0 50 H V L CNN
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-F2 "SOT-223" 200 -75 50 H V L CIN
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-F3 "" 0 0 50 H V L CNN
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-$FPLIST
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- SOT-223*
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-$ENDFPLIST
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-DRAW
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-C 50 0 111 0 1 10 N
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-P 2 0 1 0 0 0 25 0 N
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-P 2 0 1 0 100 -100 25 -25 N
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-P 2 0 1 0 100 100 25 25 N
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-P 3 0 1 20 25 75 25 -75 25 -75 N
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-P 3 0 1 0 90 -90 70 -70 70 -70 N
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-P 5 0 1 0 55 -75 75 -55 95 -95 55 -75 55 -75 F
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-X B 1 -200 0 200 R 50 50 1 1 I
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-X E 2 100 -200 100 U 50 50 1 1 P
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-X C 3 100 200 100 D 50 50 1 1 P
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-ENDDRAW
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-ENDDEF
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-#
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 # Mounting_Hole_PAD
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 #
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 DEF Mounting_Hole_PAD MK 0 40 N N 1 F N

+ 2
- 2
pd-buddy-sink/pd-buddy-sink.kicad_pcb View File

@@ -597,12 +597,12 @@
597 597
     (at 101 78 90)
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     (descr "SOT-23, Standard")
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     (tags SOT-23)
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-    (path /588FA3A4/588FA577)
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+    (path /588FA3A4/59625136)
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     (attr smd)
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     (fp_text reference Q1 (at 0 -2.1 270) (layer F.SilkS)
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       (effects (font (size 0.65 0.65) (thickness 0.12)))
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     )
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-    (fp_text value MMBT2222ALT1G (at 0 2.5 90) (layer F.Fab)
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+    (fp_text value MMBT3904 (at 0 2.5 90) (layer F.Fab)
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       (effects (font (size 1 1) (thickness 0.15)))
607 607
     )
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     (fp_text user %R (at 0 0 90) (layer F.Fab)

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