ETA USA
16170 Vineyard Blvd. Suite 180, Morgan Hill, CA 95037 Visit us at: www.eta-usa.com
Phone: 1-800-ETA-POWR, (408) 778-2793 Fax: (408) 779-2753 email at: sales@eta-usa.com
General Description
BW-Series are open-board, low profile, low price
switcher without chassis and cover. It is designed
for small size and low cost applications world-
wide. The output power can be boosted 15% to
30% above nominal.
Options Features
* Chassis +Cover(add suffix “-P”
Example: BWS05SX-PU)
Dimension: 57x125x32 (mm)
*40cm long wire harness
1.Open Frame
2. Mountable on any axis
3. Input: 85~264Vac
4. Low cost
5. EMI: complies to EN55022B, FCC/B
6. Safety: UL 1950, (C-UL) EN60950
7. CE-marked acc. To LVD
Input BWS3.3SX-U BWS05SX-U BWS12SX-U BWS15SX-U BWS24SX-U
Characteristics Unit BWSE3.3SX-U BWSE05SX-U BWSE12SX-U BWSE15SX-U BWSE24SX-U
Input Voltage Vac AC100-230V
Input Voltage Range Vdc AC85-264V(DC110-370V)
Input Current A 0.3A at AC100V/0.15A at AC230V
Input Frequency Hz 50/60Hz
Input Frequency Range Hz 47-440Hz
Inrush Current *1 A 15A(maximum) at AC100V/35A(maximum)at AC230V
Phase Single
Efficiency (typical) *2 % 66 74 80 80 81
Output BWS3.3SX-U BWS05SX-U BWS12SX-U BWS15SX-U BWS24SX-U
Characteristics Unit BWSE3.3SX-U BWSE05SX-U BWSE12SX-U BWSE15SX-U BWSE24SX-U
Output Voltage Vdc 3.3 5 12 15 24
Output Current A 2.0 2.0 0.9 0.7 0.5
Voltage Adjust Range V ± 10% of Rated Output Voltage(at no load within the input range)
Ripple and Noise(max.) *3 mV 83 100 170 200 290
Regulation
a. Static Line Regulation max. mV 26.4 40 96 120 192
b. Static Load Regulation max. mV 29.7 45 108 135 216
c. Temperature Coefficient *4 %/°C 0.03%/ºC
d.Drift max. *5 mV 31.5 40 75 90 135
e. Dynamic Load Reg. typ. mV Not Specified
f. Recovery Time mS Not Specified
g. Rise Time mS 200mS(maximum) at 25°C and rated input/output
h. Hold Up Time mS 20mS(typical) at 25°C and rated input/output
A
AC
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SW
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IN
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:
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64
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AC
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BWS/BWSE-SX-U SERIES
50Wx105Lx20H [mm] 72.5Wx76Lx20.5H [mm]
ETA USA
16170 Vineyard Blvd. Suite 180, Morgan Hill, CA 95037 Visit us at: www.eta-usa.com
Phone: 1-800-ETA-POWR, (408) 778-2793 Fax: (408) 779-2753 email at: sales@eta-usa.com
Conditions:
*1 at cold start
*2 at DC130V input/rated output
*3 measured by a bayonet probe at the end of a pair of 15cm long wires terminated with a 100uF
electrolytic capacitor and 0.1uF film capacitor in parallel at a 0 to 20MHz bandwidth.
*4 open board type: at -5 to +50℃/enclosed type: at -5 to +40℃
*5 for 7hour period after 1hour warm-up at 25°C and rated input/output
*6 when output current changed from 25% of rated output current to 75% rapidly at AC100V input
*7 for less than 1minute of over current and short circuit
*8 variable change on input voltage and load conditions
Environmental Specification
Operating Temperature open board type:-5 to +50°C/enclosed type:-5 to +40°C
Operating Humidity 20 to 85%RH(non-condensing)
Storage Temperature -20 to +85°C
Storage Humidity 20 to 85%RH(non-condensing)
Withstanding Voltage Primary-Secondary AC3,000V for 1minute
Primary-Frame Ground AC2,500V for 1minute
Primary-Secondary-Frame Ground 100MΩ(minimum) by DC500V insulation tester
Vibration 5-10Hz:10mm double amplitude,10-55Hz:19.6m/s2,20minutes' period for
60minutes each along X,Y,Z axes(non-operating)
Shock 294m/s2
Cooling Convection
Isolation Resistance Primary-Secondary-Frame Ground 1000MΩ(minimum) by DC500V
insulation tester
Function/Protection
Current Limiting with automatic recovery
Over current Protection
≥110% of Rated Output
Current[A] *6 2.2 2.2 0.99 0.77 0.55
Zener diode clamping
Over voltage Protection
≥115% of Rated Output
Voltage[V] 3.8 5.75 13.8 17.3 27.6
Remote Sense not available
Remote On/Off not available
Other Specifications
Leakage Current(typ.) 0.75mA(maximum) at 25ºC ,rated input/output and rated input frequency
Line Conducted Noise Built to meet FCC Part15-B Class B
Built to meet VCCI Class B
Built to meet EN55022 Class B
Safety UL: UL1950
C-UL: CSA C22.2 No.950
VDE: EN60950, IEC950, VDE0805
MTBF [H] *9 730,000
Switching
Frequency[kHz](typ.) *7
80
Mechanical Specification
Dimension [mm] BWS: 50Wx105Lx20H [mm] [1.969Wx4.134Lx0.7874H inch]
BWSE: 72.5Wx76Lx20.5H [mm] [2.854Wx2.992Lx0.8071H inch]
Weight (typical) open board type:73g/enclosed type:160g
ETA USA
16170 Vineyard Blvd. Suite 180, Morgan Hill, CA 95037 Visit us at: www.eta-usa.com
Phone: 1-800-ETA-POWR, (408) 778-2793 Fax: (408) 779-2753 email at: sales@eta-usa.com
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BWS-SX-U Series BWSE-SX-U Series
DERATING CURVE
BWS-SX-U Series BWSE-SX-U Series
ETA USA
16170 Vineyard Blvd. Suite 180, Morgan Hill, CA 95037 Visit us at: www.eta-usa.com
Phone: 1-800-ETA-POWR, (408) 778-2793 Fax: (408) 779-2753 email at: sales@eta-usa.com
EFFICIENCY CURVES
BWS-SX-U Series BWSE-SX-U Series
ETA USA
16170 Vineyard Blvd. Suite 180, Morgan Hill, CA 95037 Visit us at: www.eta-usa.com
Phone: 1-800-ETA-POWR, (408) 778-2793 Fax: (408) 779-2753 email at: sales@eta-usa.com
OCP CURVES
BWS-SX-U Series BWSE-SX-U Series
