
OUTPUT SPECIFICATIONS
Output power
60 Watts max
Voltage accuracy        Full load and nominal Vin 
± 2%
Voltage adjustability 
Minimum load (Note 1)   Others 
Line regulation          LL to HL at Full Load 
± 10%
800mA, min
10% of FL
± 0.5%
Load regulation          10% to 100% FL  
± 0.5%
Cross regulation (Note 2)  
± 5%
Ripple and noise         20MHz bandwidth 
Temperature coefficient
Transient response recovery time
25% load step change
3.3V output 
5V output 
12V output 
15V output 
Short circuit protection
INPUT SPECIFICATIONS
1%/p-p of Vout max
0.02% / oC, max
500uS
3.9V
6.2V
15V
18V
Over voltage protection 
Zener diode clamp 
Hiccup, automatics recovery
Input voltage range
12V nominal input 
24V nominal input 
48V nominal input 
12V input 
24V input 
48V input 
9 – 18VDC
18 – 36VDC
36 – 75VDC
Pi type
36VDC 
50VDC
100VDC
40mAp-p
Input filter
Input surge voltage  
100mS max
Input reflected ripple (Note 3) Nominal Vin and full load 
Start up time 
Remote ON/OFF 
Remote off input current 
Nominal Vin and constant resistor load 
DC-DC ON 
DC-DC OFF 
Nominal input 
25mS typ
Open or 3.5V < Vr < 12V
Short or 0V < Vr < 1.2V
30mA
GENERAL SPECIFICATIONS
Efficiency
Isolation voltage
Isolation resistance
Isolation capacitance
Switching frequency
Design meet safety standard 
See table
1600VDC, min
10
9
ohms, min
1000pF, max
200KHz, typ
UL1950, EN60950
Case material 
Nickel-coated copper
Base material 
Non-conductive black plastic
Potting material 
Epoxy (UL94-V0)
Dimensions 
3.94 X 2.76 X 0.75 Inches
(100.2 X 70.0 X 19.0 mm)
Weight  
280g (9.86oz)
MTBF (Note 4) 
ENVIRONMENTAL SPECIFICATIONS
1.533 x 10
6
 hrs
Operating temperature range 
-25oC ~ +71oC (with derating)
Maximum case temperature 
Storage temperature range
+95oC
-25oC ~ +100oC
Thermal impedance 
Thermal shock
5.2oC/watt
MIL-STD-810D
Vibration 
10~55Hz, 2G, 30minutes along X,Y and Z
Relative humidity 
EMC CHARACTERISTICS
Conducted emissions
Radiated emissions
5% to 95% RH
EN55022 
EN55022
Level A
Level A
Conducted immunity 
EN61000-4-6 
Perf. Criteria2
Radiated immunity 
EN61000-4-3 
Perf. Criteria2
Surge 
EN61000-4-5 
Perf. Criteria2
Fast transient 
EN61000-4-4 
Perf. Criteria2
ESD 
EN61000-4-2 
Perf. Criteria2
The FDC60 series offer 60 watts of output power from a 3.94 x 2.76 x 0.75 inch package. 
The FDC60 series have 2:1 wide input voltage of 9-18, 18-36 and 36-75VDC. The FDC60 
features 1600VDC of isolation, short-circuit and over-voltage protection, as well as six 
sided shielding. Designed meets the safety of EN60950 and UL1950. All models are 
particularly suited to telecommunications, industrial, mobile telecom and test equipment 
applications.  
T E C H N I C AL S P E C I F I C AT I O N
All specifications are typical at nominal input, full load and 25oC otherwise noted
60 WATTS OUTPUT POWER 
2:1 WIDE INPUT VOLTAGE RANGE 
DESIGN MEET SAFETY STANDARD 
SIX-SIDED CONTINUOUS SHIELD 
HIGH EFFICIENCY UP TO 90% 
3.94” X 2.76” X 0.75” PACKAGE 
FIXED SWITCHING FREQUENCY