DC/DC Converters
TDR 3WI Series
3 Watt
General Specifications
Thermal shock
acc. MIL-STD-810F
Vibration
acc. MIL-STD-810F
>2.0 Mio h
Reliability, calculated MTBF (MIL-HDBK-217F, at+25°C, ground benign)
Isolation voltage (60 sec.) – Input/Output
1500 VDC
Isolation capacitance
Isolation resistance
– Input/Output
50 pF max.
– Input/Output (500 VDC)
>10 GOhm
Altitude during operation
tba.
Safety standard (designed to meet)
IEC/EN 60950-1, UL 60950-1
Safety approvals
Switching frequency
Remote On/Off
– UL/cUL
www.ul.com -> certifications -> File e188913
100 kHz (PWM)
– On:
open or high impedance
– Off:
2...4 mA current applied via 1KOhm resistor
2.5 mA max.
– Off stand by input current
Environmental compliance – Reach
www.tracopower.com/products/tdr3wi-reach.pdf
RoHS directive 2011/65/EU
– RoHS
EMC Consideration
L1
Recommended filter for
EN 55022 class A compliance
+Vin
-Vin
+Vout
TDR 3WI
dc/dc-converter
C1
-Vout
C3
Input models C1
C3
L1
value
order code
(SMD type)
datasheet:
12 VDC
24 VDC
48 VDC
4.7 µF / 25 V 1812 MLCC
4.7 µF / 50 V 1812 MLCC
4.7 µF / 100 V 1812 MLCC
10 µH
12 µH
10 µH
TCK-047
TCK-062
TCK-047
www.tracopower.com/products/tck047.pdf
www.tracopower.com/products/tck062.pdf
www.tracopower.com/products/tck047.pdf
220pF / 3 kV 1808 MLCC
L1
Recommended filter for
EN 55022 class B compliance
+Vin
+Vout
TDR 3WI
dc/dc-converter
C1
C2
-Vin
-Vout
C3
Input models C1 & C2
C3
L1
value
order code
(SMD type)
datasheet
12 VDC
24 VDC
48 VDC
6.8 µF / 25 V 1812 MLCC
10 µH
12 µH
18 µH
TCK-047
TCK-062
TCK-046
www.tracopower.com/products/tck047.pdf
www.tracopower.com/products/tck062.pdf
www.tracopower.com/products/tck046.pdf
4.7 µF / 50 V 1812 MLCC
4.7 µF / 100 V 1812 MLCC
220pF / 3 kV 1808 MLCC
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
http://www.tracopower.com
Page 3 of 4