DATASHEET
SEP 05, 2007
SFS5 Series AC-DC Converter Compact Miniature Type
PCB mount type
Chassis mount type
Features
• UL, CB, CE Approved
• RoHS directive compliance
• Encapsulated, compact case
• High efficiency
• Universal input
• Surface mounting technology
• 100 kHz fixed frequency
• Fixed output voltage
• Thermal shutdown(IC-Temp: 150 °C)
• Low output ripple & noise
• Isolated input-output(3kVAC)
• Over voltage protection(O.V.P.)
• Over current protection(O.C.P.)
• Output short circuit protection
• Low no-load power consumption(0.3W Max.)
• 5Years warranty
Environmental
• Operating temperature range: -10℃~70℃
• Storage temperature range: -20℃~80℃
• Humidity: 20%~90%RH
• Vibration: 10-55Hz at 10G(98m/s²),
3minutes period, 60minutes each one X, Y
and Z axis
• Impact: 50G(490m/s²), 11ms, once each
• Cooling method: natural air convection
Safety (single output)
•UL (UL60950-1, CSA C 22.2 NO. 60950-1)
•UL No: E227474
•CE (EN 60950-1) / CB (IEC 60950-1)
Option
•Chassis mount type: Euro style terminal-block
Description
The SFS5 Series has universal AC input and there are 5 models with single output and 2 models
with dual outputs which are all available in two different pin assignments – PCB mount or Chassis
mount. Super compact size with elegant design and high reliability are achieved. CEC compliant
design shows high efficiency and low no-load power consumption. A limited EMI filter is included
and an additional EMI filter to input side is required to meet CISPR22-B EMI Standard.
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DATASHEET
SEP 05, 2007
SFS5 Series AC-DC Converter Compact Miniature Type
Electrical specifications
INPUT
Voltage
Current
Frequency
Efficiency
Inrush current (at cold start)
Leakage current
AC85~264V (or DC 110~340V) 50/60Hz (note)
0.15A Max. @ 110VAC / 0.08A Max. @ 220VAC
47~440Hz Max. (50~60Hz typ.)
75% Typ.
20A Max. @ 120VAC. / 40A Max. @ 240VAC
0.5mA Max. @ 110VAC / 0.75mA Max. @ 220VAC
OUTPUT
Voltage tolerance (accuracy)
Ripple and noise
Line regulation
Load regulation
Dynamic load regulation
Temperature regulation
No-load power consumption
Rising time
Hold up time
±2% Max (single and uncomplementary dual).
±3% Max (complementary dual).
±1% Typ.
±1% Typ.
±1% Typ.@output1 , ±2% Typ.@output2
±3% Typ.@output1
±1% Typ.
0.3W Max.
100ms Max.
10ms Min.
Protection circuit
Over voltage protection
Over current protection
Over temperature protection
Clamp, 130~150%
Works at over 105% of rating & recovers automatically
150℃ Latching, Recovering
Isolation specifications
Isolation Resistance
Input-Output Isolation Voltage
DC 500V, 100MOhms Min.
AC 3KV, 1minute, 10mA.
General specifications
Switching frequency
Calculated MTBF
Weight
100kHz
4.5*10
5
hrs
40g or less
NOTE: For cases that conform various safety specifications(UL, CSA, CE, CB etc). It require input
voltage and frequency range will be 100-240Vac, 50~60Hz.
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DATASHEET
SEP 05, 2007
SFS5 Series AC-DC Converter Compact Miniature Type
Ordering information
SF□5-12□
Series name
S: single
D: dual
Input
Output1
3.3V@1.25A
5V@1.0A
AC85~264V
or
DC110~340V
12V@0.42A
15V@0.33A
24V@0.21A
+12V@0.21A
+15V@0.17A
-12V@0.21A
-15V@0.17A
Output2
Maximum
power
4.125W
5.0W
5.0W
5.0W
5.0W
5.0W
5.0W
If chassis mount type, 'C' added
Output voltage
Output power
Ripple & Noise
80mVp-p
80mVp-p
120mVp-p
150mVp-p
200mVp-p
120/120mVp-p
150/150mVp-p
Efficiency
typical
68%
75%
77%
77%
77%
72%
72%
Model
number
SFS5-3R3
SFS5-5
SFS5-12
SFS5-15
SFS5-24
SFD5-1212
SFD5-1515
Pin assignments
Single output
1. AC(N)
2. AC(L)
3. No pin
4. -V
5. +V
Dual output
1. AC(N)
2. AC(L)
3. -V
4. GND
5. +V
Derating curve
Dimensions
Chassis Mount Type
NOTES
1.
2.
3.
4.
All dimensions are inch(mm).
Weight : 40g or less
Case material : PBT, 94V-0 Rated
Construction : encapsulated, Soft Pot
5. Dimension "H"
0.6(15.24) for 5watt / SFS5,SFD5 version
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DATASHEET
SEP 05, 2007
SFS5 Series AC-DC Converter Compact Miniature Type
Inrush Current
- 240Vac input
TEST CONDITION
- Full load output
- PHASE 90°input start, current measure
SFS5-3R3 12.2A
SFS5-5 11.9A
SFS5-12 12.1A
SFS5-15 11.9A
Inrush current concerns wrong to fuse, input rectifier, power-
switch, circuit break and parts. It degrades the another circuit
voltage and occurs system error. If you defuse inrush current.
You add NTC or Inrush current limiter to external circuit.
High rating voltage input
Max20A @ 120Vac
Max40A @ 240Vac
SFS5-24 12.85A
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DATASHEET
SEP 05, 2007
SFS5 Series AC-DC Converter Compact Miniature Type
Rising Time
- 220Vac Input
TEST CONDITION
- Full Load Output
- Output Voltage 10% ~ 90% Rising Time Measure
SFS5-3R3
5.66mS
SFS5-5
7.98mS
SFS5-12
13.0mS
SFS5-15
15.6mS
Max 100ms between output voltage 0%~90%
SFS5-24
19.7mS
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