R
2.0 MAX
5.8 MAX
5.8 MAX
203
1 4
8
7 6
5
Top view
1 1 1
0.4
( 3.9 )
5.6 +/- 0.2
( 0.85 ) ( 0.85 )
Bottom view
TDK SMD Transformers
Photoflash Capacitor Charging Transformer
LDT565620ST-203
Mechanical
Unit : mm.
3.6
6.2
1.31.3
0.6
1 1 1
Pad Layout
Electrical Specifications at 25degreesC
1. Inductance 5 - 8 : 8.20uH +/-15% at 100kHz, 20mVrms
2. Leakage Inductance 5 - 8 ( short 1 - 4 ) : 390nH MAX. at 100kHz, 20mVrms
3. DC Resistance 5 - 8 : 370 mOhm MAX.
1 - 4 : 11.2 Ohm MAX.
R
TDK USA Corporation / Component Engineering Laboratory
TDK Corporation / Japan
Schematics
5
8
Np
4
2
Ns2
Turns Ratio
1 : 10.2 +/- 3%
Dot marks mean polarity
5. Withstanding Voltage Pri. - Sec. : 500Vrms
4. Capacitance 5 - 1 : 21pF MAX. at 100kHz, 20mVrms
Mass : 0.2 g
2
3
1
Ns1
(TAP)
Maximum primary switching current : 0.75A at 100degreesC
waveform
0A
0.75A
PRELIMINARY Apr./14/2008
RoHS Compliant: Conformity to RoHS Directive: This means that, in conformity with EU Directive
2002/95/EC, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retar
dants, PBB and PBDE, have not been used except for exempted applications.
6. Operating Temperature -20 ~ 110 deg. ( included self temperature rise )
Note : Non applicable application : Military, Medical.
