RD8
TRIPLE INSULATED SECONDARY TRANSFORMER (TRD8)
3
174 T
#34 AWG
4
9
14 T
#26 AWG
Triple-insulated
6
PIN
FUNCTION
3 HIGH-VOLTAGE DC BUS
4 TinySwitch DRAIN
6 SECONDARY RETURN
9 OUTPUT
CORE# - PC40 EE16-Z (TDK)
GAP FOR AL OF 112 nH/T2
BOBBIN# - YC-1607 (Ying Chin Co., Ltd.)
1
10
4
5
ELECTRICAL SPECIFICATIONS
Electrical Strength
60 Hz, 1 minute,
from pins 1-4 to pins 5-10
Creepage
Between pins 1-4 and pins 5-10
Primary Inductance
All windings open
Resonant Frequency
All windings open
Primary Leakage Inductance
Pins 6 and 9 shorted
NOTE: All inductance measurements should be made at 40 kHz
Figure 18. Electrical specification of transformer TRD8.
3000 VAC
6.00 mm (min)
3400 µH ±10%
420 kHz (min)
120 µH (max)
PI-2226-082498
8C
3/99