RDK-251 Power Integrations, RDK-251 Datasheet - Page 17

• 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 Transformer Specification
8.1 Electrical Diagram
8.2 Electrical Specifications
8.3 Materials
Page 17 of 60
Electrical Strength
Primary Inductance
Resonant Frequency
Primary Leakage
Inductance
Item
[1]
[2]
[3]
[4]
[5]
[6]
Core: EE16/PC40
Bobbin: EE16, Horizontal, 10 pins, (5/5), TF1613 (Taiwan Shulin) or equivalent.
Magnet wire: #28 AWG double coated.
Magnet wire: #35 AWG double coated.
Tape: 3M 1298 Polyester Film, 8.0 mm wide, 2.0mils thick or equivalent.
Varnish.
3 second, 60 Hz, from pins 1-2 to pins 6-7
Pins 1-2, all other windings open, measured at 100 kHz,
0.4 VRMS
Pins 1-2, all other windings open
Pins 1-2, with pins 7-9 shorted, measured at 100 kHz,
0.4 VRMS
130T - #35AWG
WD2: Primary
Figure 7 – Transformer Electrical Diagram.
2
1
Description
WD1: 1
WD3: 2
10T – 2 x #28AWG
10T – 2 x #28AWG
Tel: [phone] Fax: [phone]
6
st
nd
3
7
half Secondary
half Seconadry
Power Integrations
www.powerint.com
1200 kHz (Min.)
660 H,
15 H (Max.)
500 VAC

10 %