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MCR10ERTFL4R02 Datasheet(PDF) 3 Page - Diodes Incorporated

Part No. MCR10ERTFL4R02
Description  230VAC Triac Dimmable GU10 LED Driver
Download  10 Pages
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Maker  DIODES [Diodes Incorporated]
Homepage  http://www.diodes.com
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MCR10ERTFL4R02 Datasheet(HTML) 3 Page - Diodes Incorporated

 
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AP1694AEV11 User Guide
230VAC Triac Dimmable GU10 LED Driver
AP1694AEV11 Rev2
Page 3 of 10
July 2015
www.diodes.com
DIODES TAPPED TRANSFORMER DESIGN 
AP1694A 230VAC Buck tapped 12V 400mA Transformer Spec 
 
1)   Bobbin 
 
EEP10     4+4 pin 
1
WD2: Primary
30#*1, 60Ts
6
6
2
WD1: P r i m a r y
WD3: Auxiliary 36#1, 111Ts
36#*1, 1 2 0 Ts
7
5
2) Transformer Parameters 
1.   Primary Inductance (Pin1‐Pin7,  all  other  windings are open)  
 Lp = 1.5mH   ±   5%@1kHz 
2.   Primary Winding Turns: NP=120Ts (Pin7‐Pin6) + 60Ts (Pin 6 to Pin 1) 
3.   Auxiliary Winding Turns (Pin2‐ Pin5): NA= 111Ts (Pin 2 to Pin 5) 
 
 
3)   Transformer Winding Construction Diagram 
Winding 
Number 
Windings 
Winding
Specification
 
WD1‐Primary 
Winding 
Start at Pin 7, wind 120 turns of single Φ34# wire and finish on Pin 6.
WD2‐Primary 
  Winding 
Start at Pin 6, wind 60 turns of single Φ30# wire and finish on Pin 1.
Insulation 
2 Layers of insulation tape
 
WD3‐Auxiliary 
Winding 
Start at Pin 2, wind 111 turns of single Φ36# wire and finish on Pin 5.
Insulation 
2 Layers of insulation tape
  


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