GENERAL SPECIFICATIONS
Efficiency
See table
Isolation voltage
Input to Output
Input(Output) to Case DIP
SMD
1600VDC, min
1600VDC, min
1000VDC, max
Isolation resistance
10
9
ohms, min
Isolation capacitance
300pF, max
Switching frequency
300KHz, typ
Design meet safety standard
UL1950, EN60950
Case material
Nickel-coated copper
Base material
Non-conductive black plastic
Potting material
Epoxy (UL94-Vo)
Dimensions
1.25 X 0.80 X 0.40 Inch
(31.8 X 20.3 X 10.2 mm)
Weight
DIP
SMD
16g (0.55oz)
18g (0.62oz)
MTBF (Note 3)
3.139 x 10
6 hrs
ENVIRONMENTAL SPECIFICATIONS
Operating temperature range
Standard
M1 (Note 4)
-25ºC ~ +85ºC (with derating)
-40ºC ~ +85ºC (non-derating)
Maximum case temperature
100ºC
Storage temperature range
-55ºC ~ +105ºC
Thermal impedance
Nature convection
20ºC/Watt
Thermal shock
MIL-STD-810D
Vibration
10~55Hz, 2G, 30minutes along X,Y and Z
Relative humidity
5% to 95% RH
EMC CHARACTERISTICS
Conducted emissions
EN55022
Level A
Radiated emissions
EN55022
Level A
ESD
EN61000-4-2
Perf. Criteria2
Radiated immunity
EN61000-4-3
Perf. Criteria2
Fast transient
EN61000-4-4
Perf. Criteria2
Surge
EN61000-4-5
Perf. Criteria2
Conducted immunity
EN61000-4-6
Perf. Criteria2
OUTPUT SPECIFICATIONS
Output power
3 Watts max
Voltage accuracy
Full load and nominal Vin
± 2%
Minimum load (Note 1)
10% of FL
Line regulation
LL to HL at Full Load
± 0.2%
Load regulation
25% to 100% FL Single
Dual
± 0.2%
± 1%
Cross regulation
Asymmetrical load 25% / 100% FL
± 5%
Ripple and noise
20MHz bandwidth
50mVp-p
Temperature coefficient
I0.02% / ºC, max
Transient response recovery time 25% load step change
200uS
Over load protection
% of FL at nominal input
180% typ
Short circuit protection
Continuous, automatics recovery
INPUT SPECIFICATIONS
Input voltage range
12V nominal input
24V nominal input
48V nominal input
9 – 18VDC
18 – 36VDC
36 – 75VDC
Input filter
Pi type
Input surge voltage
100mS max
12V input
24V input
48V input
36VDC
50VDC
100VDC
Input reflected ripple (Note 2)
Nominal Vin and full load
20mAp-p
Start up time
Nominal Vin and constant resistor load
350mS typ
The YKC03 series offers 3 watts of output power from a package in an IC compatible
24pin DIP configuration without derating to 71ºC ambient temperature. YKC03 series
have 2:1 wide input voltage of 9-18, 18-36 and 36-75VDC. The YKC03 features
1600VDC of isolation, short-circuit protection and as well as five sided shielding. A safety
designed meet to EN60950 and UL1950. All models are particularly suited to
telecommunications, industrial, mobile telecom and test equipment applications.
T E CH NI C A L SP E C I F IC A T I O N All specifications are typical at nominal input, full load and 25ºC otherwise noted
50
60
70
80
90 100
-40 -25
0
-10
25
50
75
100
0
AMBIENT TEMPERATURE (ºC)
YKC03-48S05 Derating Curve
Nature convection
M1 Version
UL
E193009
TUV R3-50007936
CB
JPTUV-003641
CE MARK
• 3 WATTS REGULATED OUTPUT POWER
• 2:1 WIDE INPUT VOLTAGE RANGE
• INTERNATIONAL SAFETY STANDARD APPROVAL
• FIVE-SIDED SHIELD
• HIGH EFFICIENCY UP TO 80%
• STANDARD 24 PIN DIP PACKAGE & SMD TYPE PACKAGE
• OVER CURRENT PROTECTION
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