R
TDK SMD Transformers
Photoflash Capacitor Charging Transformer
LDT565620ST-203
Mechanical
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.
Top view
Bottom view
5
203
4
5.8 MAX
6
3
7
2
8
1
( 0.85 )
5.8 MAX
2.0 MAX
( 3.9 )
5.6 +/- 0.2
( 0.85 )
Pad Layout
0.4
0.6
Note : Non applicable application : Military, Medical.
1
1
1
1
1
1
Electrical Specifications at 25degreesC
1. Inductance 5 - 8 : 8.20uH +/-15% at 100kHz, 20mVrms
1.3
3.6
6.2
1.3
Mass : 0.2 g
Unit : mm.
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.
4. Capacitance 5 - 1 : 21pF MAX. at 100kHz, 20mVrms
5. Withstanding Voltage
6. Operating Temperature
Pri. - Sec. : 500Vrms
-20 ~ 110 deg. ( included self temperature rise )
5
Np
Ns2
Schematics
4
2
Ns1
8
(TAP)
Maximum primary switching current : 0.75A at 100degreesC
waveform
0.75A
0A
1
Turns Ratio
1 : 10.2 +/- 3%
Dot marks mean polarity
R
TDK USA Corporation / Component Engineering Laboratory
TDK Corporation / Japan
PRELIMINARY Apr./14/2008
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