diff --git a/library/Oscillators.dcm b/library/Oscillators.dcm
index 67d565af..99374316 100644
--- a/library/Oscillators.dcm
+++ b/library/Oscillators.dcm
@@ -54,6 +54,54 @@ K Crystal Clock Oscillator
 F http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf
 $ENDCMP
 #
+$CMP SG-210SCD
+D Crystal Oscillator Low Profile / High Stability SPXO
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-210SED
+$ENDCMP
+#
+$CMP SG-210SDD
+D Crystal Oscillator Low Profile / High Stability SPXO
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-210SED
+$ENDCMP
+#
+$CMP SG-210SED
+D Crystal Oscillator Low Profile / High Stability SPXO
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-210SED
+$ENDCMP
+#
+$CMP SG-210STF
+D CMOS Crystal Oscillator SPXO
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-210STF
+$ENDCMP
+#
+$CMP SG-211
+D CMOS Crystal Oscillator SPXO
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-211SEE
+$ENDCMP
+#
+$CMP SG-51
+D CMOS Crystal Clock Oscillator, DIP14-style plastic package
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-51P
+$ENDCMP
+#
+$CMP SG-531
+D CMOS Crystal Clock Oscillator, DIP8-style plastic package
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-51P
+$ENDCMP
+#
+$CMP SG-615
+D CMOS Clock Oscillator
+K Crystal Clock Oscillator
+F https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-51P
+$ENDCMP
+#
 $CMP SG-8002CA
 D CMOS Clock Oscillator
 K Crystal Clock Oscillator
diff --git a/library/Oscillators.lib b/library/Oscillators.lib
index c59398c1..017b2c50 100644
--- a/library/Oscillators.lib
+++ b/library/Oscillators.lib
@@ -183,6 +183,48 @@ X V+ 4 0 300 100 D 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# SG-210SED
+#
+DEF SG-210SED X 0 10 Y Y 1 F N
+F0 "X" -200 250 50 H V L CNN
+F1 "SG-210SED" 50 -250 50 H V L CNN
+F2 "Oscillators:Oscillator_SMD_SeikoEpson_SG210-4pin_2.5x2.0mm" 450 -350 50 H I C CNN
+F3 "" -100 0 50 H V C CNN
+ALIAS SG-210SDD SG-210SCD
+$FPLIST
+ Oscillator*SMD*SeikoEpson*SG210*2.5x2.0mm*
+$ENDFPLIST
+DRAW
+S -200 200 200 -200 0 1 10 f
+P 9 0 1 0 -75 -25 -50 -25 -50 25 -25 25 -25 -25 0 -25 0 25 25 25 25 -25 N
+X OE 1 -300 0 100 R 50 50 1 1 I
+X GND 2 0 -300 100 U 50 50 1 1 W
+X OUT 3 300 0 100 L 50 50 1 1 O
+X Vcc 4 0 300 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# SG-210STF
+#
+DEF SG-210STF X 0 10 Y Y 1 F N
+F0 "X" -200 250 50 H V L CNN
+F1 "SG-210STF" 50 -250 50 H V L CNN
+F2 "Oscillators:Oscillator_SMD_SeikoEpson_SG210-4pin_2.5x2.0mm" 450 -350 50 H I C CNN
+F3 "" -100 0 50 H V C CNN
+ALIAS SG-211
+$FPLIST
+ Oscillator*SMD*SeikoEpson*SG210*2.5x2.0mm*
+$ENDFPLIST
+DRAW
+S -200 200 200 -200 0 1 10 f
+P 9 0 1 0 -75 -25 -50 -25 -50 25 -25 25 -25 -25 0 -25 0 25 25 25 25 -25 N
+X ~ST~ 1 -300 0 100 R 50 50 1 1 I
+X GND 2 0 -300 100 U 50 50 1 1 W
+X OUT 3 300 0 100 L 50 50 1 1 O
+X Vcc 4 0 300 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # SG-8002CA
 #
 DEF SG-8002CA X 0 10 Y Y 1 F N
@@ -230,6 +272,7 @@ F0 "X" -200 250 50 H V L CNN
 F1 "SG-8002DB" 50 -250 50 H V L CNN
 F2 "Oscillators:Oscillator_SeikoEpson_SG-8002DB" 450 -350 50 H I C CNN
 F3 "" -100 0 50 H V C CNN
+ALIAS SG-51
 $FPLIST
  Oscillator*SeikoEpson*SG?8002DB*
 $ENDFPLIST
@@ -250,6 +293,7 @@ F0 "X" -200 250 50 H V L CNN
 F1 "SG-8002DC" 50 -250 50 H V L CNN
 F2 "Oscillators:Oscillator_SeikoEpson_SG-8002DC" 450 -350 50 H I C CNN
 F3 "" -100 0 50 H V C CNN
+ALIAS SG-531
 $FPLIST
  Oscillator*SeikoEpson*SG?8002DC*
 $ENDFPLIST
@@ -270,6 +314,7 @@ F0 "X" -200 250 50 H V L CNN
 F1 "SG-8002JA" 50 -250 50 H V L CNN
 F2 "Oscillators:Oscillator_SMD_SeikoEpson_SG8002JA-4pin_14.0x8.7mm" 700 -350 50 H I C CNN
 F3 "" -100 0 50 H V C CNN
+ALIAS SG-615
 $FPLIST
  Oscillator*SMD*SeikoEpson*SG8002JA*14.0x8.7mm*
 $ENDFPLIST