6W Open Frame

ETA-USA 16170 Vineyard Blvd. Suite 180 Morgan Hill, CA 95037 http://www.eta-usa.comToll-free (US only): 800-ETA-POWR (800-382-7697) Telephone: 408 778-2793 FAX: 408-779-2753

The Power ProfessionalsETA-USA

Operating TemperatureOperating Humidity

294m/s^2ShockConvectionCooling

EMI(Electromagnetic Interference) Built to meet FCC Part15-B Class B

Fold back/current limiting with automatic recovery at discontinuous short circuit conditions

• PCB Mountable • Small, Light Weight • High Efficiency • Cost effective • Output Voltage adjustable • Over Voltage Protection • EMI: complies to FCC/B • Safety: UL 1950, CSA 950(C-UL) approved

OB-Series AC/DC Switching Power Supplies are designed and built to be installed right onto th e user’s printed circuit board like a piece of “patch-work”. They are small, light in weight and cost effective.

Input Frequency Hz Input Frequency Range HzInrush Current *1 AEfficiency (typical) *2

Output Voltage Vdc Output Current A Voltage Tolerance V Ripple and Noise(max.) *3 mV

a. Static Line Regulation max. mVb. Static Load Regulation max. mVc. Temperature Coefficient *7

Drift max. *8mV mV

Dynamic Load Reg. typ.*9 mVf. Recovery Time *9 g. Rise Time mS h. Hold Up Time mS

MODEL/CHANNEL

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[V][A]

[mA]

Unit

FEATURES:

INPUT

Protection

Dimension

OUTPUT

EMC Standards Environment

EnvironmentalAgencies

Short circuit protection

Over Voltage Protection

OBR-WA

UL 1950 C-UL: CSA 22.2 Built to meet VCCI Class A -20~+71°C

30~85%RH(non-condensing)

Input Voltage Vac Input Voltage Range Vdc Input Current A

100mS(maximum) at rated input/output 20mS(typical) at rated input/output

20ms (Typ.)

Regulation

mS

Not Available

AC 115 V[DC 132 V] AC85~132V [DC110-175V]

0.25 50/60Hz

47-440Hz 18A(maximum) at AC100V

68

3.3 12 48 1

0.07 0.1 0.24 0.3 0.48 0.96 100mVp-p MAX

510

0.03%/ºC 30200 250 360 450 720 1500

OBR3.3SA-U

OBR05SA-U

OBR12SA-U

OBR15SA-U

OBR24SA-U

OBR48SA-U

8181797875

5 150.130.40.51

255135907540

964830241014472453615

24 0.26

mm/gSize(WxHxD) / Weight D43Wx47.5Lx18.5H [mm]/ open board type:27g[unit with chassis/cover:30g]

6W Open Frame

ETA-USA 16170 Vineyard Blvd. Suite 180 Morgan Hill, CA 95037 http://www.eta-usa.comToll-free (US only): 800-ETA-POWR (800-382-7697) Telephone: 408 778-2793 FAX: 408-779-2753

The Power Professionals

ETA-USA

Dimension Diagram (mm)

MODEL/CHANNEL Unit OBR22WA-U OBR23WA-U

ETA-USA 16170 Vineyard Blvd. Suite 180 Morgan Hill, CA 95037 http://www.eta-usa.comToll-free (US only): 800-ETA-POWR (800-382-7697) Telephone: 408 778-2793 FAX: 408-779-2753

The Power ProfessionalsETA-USA

Block Diagram

Model Diagram

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Environment

Other Spec.

Storage Humidity

Withstanding Voltage Primary-Frame Ground AC2,000V for 1minute Secondary-Frame Ground AC500V for 1minute

Vibration 5-10Hz:10mm double amplitude,10-55Hz:19.6m/s2,20minutes' period for60minutes each along X,Y,Z axes(non-operating)

Isolation Resistance Primary-Secondary-Frame Ground 50MΩ(minimum) by DC500V insulation tester

Primary-Secondary AC2,000V for 1minute 20~90%RH(non-condensing)

Leakage Current(typ.) 40uA at AC100V inputMTBF [H] *9 1,000,000