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transformer for switch mode power supplies
RM4-RM14
1,7VA - 250VA
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HF-transformer, switched mode power supply transformer,
ferrite transformer
catalogue “HF-components” as PDF-File
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open |
potted |
power application |
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description
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performance
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switched mode power supply transformer according to
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IEC EN61558-2-17 for SMPS, HF-transformer, ferrite transformer
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application
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for Power Integrations (TOPSWITCH, TINYSWITCH) Advanced Techology and ST(VIPer).
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types can also be constructed as an HF choke.
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voltages
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to customer demand, also more input and output voltages are possible
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frequency
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20 kHz to 300 kHz, extra types to 500 kHz
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core material
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N87 oder PL7 for high power, with other material less power
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insulation class
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F (155°C) for lacquered and B(130°C) for potted components
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temperature
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ambient 40°C, higher temperatures
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decrease the secondary power
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protective class
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fire class UL94V0, IP00 according to DIN 40 050
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winding
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with lacquered copper wire, HF-litz wire, foil or triple insulated Furukawa wire, interlaced construction for best magnetic coupling
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construction
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vacuum varnished (open types) with class H impregnation varnish or vacuum potted in a case
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terminals
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Print, SMD or with free wires construction
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safety
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margins for air- and creepage-distance
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screening possible, secondary power will decrease
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power - N87/PL7
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type size
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frequency
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flyback
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forward
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push-pull
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RM 4
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25
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kHz
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1,7
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VA
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2,0
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VA
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2,8
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VA
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PDF
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50
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kHz
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2,4
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VA
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2,8
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VA
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4,0
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VA
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100
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kHz
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3,0
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VA
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3,5
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VA
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5,0
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VA
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RM 5
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25
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kHz
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3,0
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VA
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3,5
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VA
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5,0
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VA
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PDF
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50
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kHz
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4,5
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VA
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5,3
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VA
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7,5
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VA
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100
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kHz
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5,4
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VA
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6,3
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VA
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9,0
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VA
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RM 6
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25
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kHz
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6,6
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VA
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7,7
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VA
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11,0
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VA
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PDF
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50
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kHz
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9,6
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VA
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11,2
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VA
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16,0
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VA
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100
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kHz
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12,0
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VA
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14,0
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VA
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20,0
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VA
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RM 7
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25
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kHz
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8,4
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VA
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9,8
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VA
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14,0
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VA
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PDF
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50
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kHz
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11,4
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VA
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13,3
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VA
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19,0
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VA
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100
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kHz
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13,2
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VA
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15,4
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VA
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22,0
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VA
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RM 8
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25
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kHz
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13,2
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VA
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15,4
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VA
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22,0
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VA
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PDF
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50
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kHz
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19,8
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VA
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23,1
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VA
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33,0
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VA
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100
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kHz
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24,0
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VA
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28,0
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VA
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40,0
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VA
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RM 10
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25
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kHz
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25,2
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VA
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29,4
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VA
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42,0
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VA
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PDF
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50
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kHz
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36,0
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VA
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42,0
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VA
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60,0
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VA
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100
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kHz
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45,0
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VA
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52,5
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VA
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75,0
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VA
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RM 12
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25
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kHz
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51,0
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VA
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59,5
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VA
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85,0
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VA
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PDF
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50
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kHz
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72,0
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VA
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84,0
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VA
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120,0
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VA
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100
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kHz
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90,0
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VA
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105,0
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VA
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150,0
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VA
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RM 14
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25
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kHz
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84,0
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VA
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98,0
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VA
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140,0
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VA
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PDF
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50
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kHz
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120,0
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VA
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140,0
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VA
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200,0
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VA
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100
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kHz
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150,0
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VA
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175,0
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VA
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250,0
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VA
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technical changes and optimization reserved
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