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SMPS Transformer Selector Guide

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Now you can save time and money on your project by using our SMPS Transformer Selector Guide. Choose from our recommended list of 27 cores and 74 bobbins to find the right configuration for power requirements from 50 watts to 3kva. Save money on your designs by using our pre-defined hardware. We carry all the itmes in stock. Contact us for a more detailed drawing and design capabilities.

CORE
SHAPE      		 CORE
TYPE		 CORE
SIZE		 BOBBIN
FALCO P/N		 Cross Section Area
Ac(cm2)		 Magnetic Path Length(cm) WaAc(cm4) Core VOLUMEN(cm3) FLYBACK FORWARD PUSH-PULL HALF BRIDGE FULL BRIDGE
EE EE16 1809-302-001 0.200 3.57 0.041 0.715
1809-402-002
1809-402-003
1813-302-002
EE16L 1819-402-001 0.191 5.58 0.076 1.06
1809-402-002
1809-313-001
EE187 1812-331-002 0.288 4.01 0.076 0.915
1812-421-001
1812-331-006
1812-313-017
1812-402-001
EE2425 1814-312-001 0.385 4.85 0.162 1.870
1814-321-001
1814-331-003
EE30/7 1822-302-001 0.600 6.56 0.500 3.940
1822-302-002
E375 1831-331-002 0.840 6.94 0.856 5.830
1831-331-004
1831-431-002
E21 1842-313-003 1.520 7.75 1.480 11.800
1842-331-006
1842-412-11001
EE42/20 1849-302-001 2.370 9.84 4.590 23.300
1849-431-001
1849-402-001
EE625 1862-313-001 2.390 8.90 2.770 21.130
EE55/21 1855-331-001 3.500 12.30 9.910 43.100
EE65/27 5.320 14.70 31.000 78.000
EE70/32 6.860 15.00 41.200 102.900
EFD EFD15 4815-302-11-001 0.150 3.40 0.047 0.510
4815-502-001
EFD20 4820-302-002 0.310 4.70 0.155 1.450
4820-542-001
EFD25 4825-302-003 0.580 5.70 0.233 3.300
4825-302-002
4825-302-001
ER ER28S 3628-313-002 0.821 6.40 0.895 5.250
ER28 3629-402-001 0.883 6.57 1.090 5.798
ER28/17 3628-302-002 0.814 7.55 1.150 6.140
3628-402-11-002
ER35/20 3635-302-11001 1.070 9.08 2.250 9.700
3635-402-11-001
ETD ETD29 3229-431-001 0.736 7.10 1.070 5.220
ETD34 3234-431-002 0.971 7.90 1.821 7.680
3234-431-003
ETD39 3239-331-001 1.250 9.27 2.210 11.800
3239-302-001
3239-431-001
ETD49 3249-302-003 2.130 11.4 8.000 24.600
PQ PQ20/20 2820-402-002 0.620 4.54 0.238 2.800
2820-402-11-003
2820-402-008
PQ26/25 2826-431-001 1.180 5.55 0.590 6.530
PQ32/30 2832-431-003 1.610 7.46 1.600 11.950
PQ35/35 2835-402-001 1.960 8.79 3.120 17.200

  • WaAc: core area product
  • For Bobbin Falco P/N Information visit our web site


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