1AC Ultra flat PCB type transformers for use in ultra small power supplies; Core size UI21PTF 0.10 - 1.05VA according to IEC/EN61558-2-6

overviewtechnical dataPDF data sheet

Low profile safety transformer

according to IEC/EN61558-2-6 suitable for general applications with double or reinforced insulation – max. output voltage: 50 V. E.g. electrical isolation for use in devices, built according to VDE0805/EN60950 regulations.

Specifications

  • Ultra flat PDB type transformers for use in ultra small power supplies; current- or voltage transformer versions on request.
  • Height: 15 mm only, max. power: 1.05 VA.
  • Short-circuit proof constructionTransformer completely sealed with polyurethane varnish in polyamide mold
  • PTF-UI21 transformers can be customer-specified, e.g. output characteristics, temperature rise for nominal operation/ open-circuit etc.

1 phase safety transformer PCB version according to IEC/EN61558-2-6

Input voltage 230V
Output voltage … 24V
Frequency 50/60 Hz
Max. Power 0,1 … 1,05VA (convection is obligatory)
Max. ambient temperature 40°C
UL-Insulation system (optional) OBJY2.E181051
Insulation class (IEC85) B 130°C
Fire protection class UL94HB (V-0 possible)
Protection class (ready) III
Connections: Solder pins diameter ø 0.6 mm for type UI21/7.3.

rectangular shape 0.6 x 0.8 mm for type UI21/6.6
  • extremly low profile
  • Any mounting position or angle possible
  • completely sealed with polyurethane varnish in polyamide mold

Ue = Rated input voltage (50/60Hz)

Ua = Rated output voltage

Uk = Short circuit voltage in %

Ua empty = No-load voltage

dT = Increase of temperature compared to the ambient temperature

Ue
V		 Ua
V		 Rated
power
VA		 Uk
%		 Ua empty
at
Ue Rated
(V)		 Ua empty
at
Ue x 1.06
(V)		 dT
Open-circuit
at
Ue Rated
(K)		 dt
Open-circuit
at
Ue x 1.06
(K)		 dT
Rated load
at
Ue Rated
(K)		 dT
Rated load
at
Ue x 1.06
(K)		 Copper
Weight
KG
 Total
weight
KG
 Core Size Type
230 7,5 0,9 48 14,4 14,7 28 39 28 32 0,058 0,12 UI21/6,6 PTF009230007
230 9,5 0,9 49 19,7 20,3 29 39 30 35 0,058 0,12 UI21/6,6 PTF009230009
230 12,0 0,9 47 22,1 22,6 28 39 25 30 0,058 0,12 UI21/6,6 PTF009230012
230 15,0 0,9 47 28,3 28,9 27 39 27 30 0,058 0,12 UI21/6,6 PTF009230015
230 18,0 0,9 48 35,9 36,9 28 38 29 32 0,058 0,12 UI21/6,6 PTF009230018
230 24,0 0,9 47 45,9 46,9 29 39 28 31 0,058 0,12 UI21/6,6 PTF009230024
230 2×7,5 0,9 47 2×14,2 2×14,5 27 39 27 30 0,058 0,12 UI21/6,6 PTF0092300072
230 2×9,5 0,9 47 2×18,0 2×18,4 28 39 27 30 0,058 0,12 UI21/6,6 PTF0092300092
230 2×12,0 0,9 47 2×23,0 2×23,5 29 39 28 31 0,058 0,12 UI21/6,6 PTF0092300122
230 7,5 1,05 48 15,4 15,8 29 39 32 36 0,065 0,12 UI21/7,3 PTF01,230007
230 9,5 1,05 45 17,6 18,1 29 39 28 32 0,065 0,12 UI21/7,3 PTF010230009
230 12,0 1,05 49 24,9 25,5 29 40 32 35 0,065 0,12 UI21/7,3 PTF010230012
230 15,0 1,05 45 26,5 27,1 29 40 26 31 0,065 0,12 UI21/7,3 PTF010230015
230 18,0 1,05 46 32,0 32,7 29 40 27 30 0,065 0,12 UI21/7,3 PTF010230018
230 24,0 1,05 43 41,5 42,4 29 40 26 30 0,065 0,12 UI21/7,3 PTF010230024
230 2×7,5 1,05 45 2×13,3 2×13,6 29 40 26 31 0,065 0,12 UI21/7,3 PTF0102300072
230 2×9,5 1,05 45 2×17,2 2×17,6 29 40 27 31 0,065 0,12 UI21/7,3 PTF0102300092
230 2×12,0 1,05 43 2×20,8 2×21,2 29 40 26 30 0,065 0,12 UI21/7,3 PTF0102300122

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