RDK-251 Power Integrations, RDK-251 Datasheet - Page 20

• Manufacturer Part Number: RDK-251
• Description: KIT REF DESIGN FOR LNK457D
• Manufacturer: Power Integrations
• Series: LinkSwitch®-PLr

Specifications of RDK-251

• Current - Output / Channel: 350mA
• Outputs And Type: 1, Isolated
• Voltage - Output: 12 ~ 18 V
• Features: Dimmable
• Voltage - Input: 90 ~ 265VAC
• Utilized Ic / Part: LNK457D
• Output Voltage: 12 V
• Input / Supply Voltage (max): 265 VAC
• Input / Supply Voltage (min): 90 VAC
• Duty Cycle (max): 39.9 %
• Mounting Style: Through Hole
• Output Current: 350 mA
• Output Power: 5 W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1345

8.6 Winding Illustrations
1
Winding Preparation
st
Half of Secondary
Insulation
Primary
WD1
WD2
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
Place bobbin on the mandrel such that
primary on the left and secondary on
the right. Winding direction is clock-wise
direction.
Start at pin 7, wind 10 bifilar turns of
wire item [3] from right to left, and
terminate at pin 3.
1 layer of tape item [5].
Start at pin 2, wind 130 turns of wire
item [4] in 3 layers: 44T+43T+43T,
place 2 layers of tape item [5] between
layers,
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