Products & Services


20W Desktop Switching Power Supplies

● Size: 1.65" x 3.90" x 1.22"
● Safety: 60950
● DoE VI
● Class II
● Operating Voltage: 90-264 VAC, 47-63 Hz
● IEC-320-C8 Input Inlet
● Single Output
● Optional Output Connector
● Protection: SCP
● 1-Year Warranty

Model No. Output Voltage(VDC) Output Current(A) Max. Output Power(W) Safety Approvals
Model No.:*EPU20B-102 Output Voltage(VDC):5.0~5.99 Output Current(A):3.00~2.50 Max. Output Power(W):15 下载 :More
Model No.:*EPU20B-103 Output Voltage(VDC):6.5~8.0 Output Current(A):2.30~1.87 Max. Output Power(W):15 下载 :More
Model No.:*EPU20B-104 Output Voltage(VDC):8.0~11.0 Output Current(A):2.50~1.81 Max. Output Power(W):20 下载 :More
Model No.:EPU20B-105 Output Voltage(VDC):11.0~13.0 Output Current(A):1.81~1.53 Max. Output Power(W):20 下载 :More
Model No.:*EPU20B-106 Output Voltage(VDC):13.0~16.0 Output Current(A):1.53~1.25 Max. Output Power(W):20 下载 :More
Model No.:*EPU20B-107 Output Voltage(VDC):16.0~21.0 Output Current(A):1.25~0.95 Max. Output Power(W):20 下载 :More
Model No.:*EPU20B-108 Output Voltage(VDC):21.0~27.0 Output Current(A):0.95~0.74 Max. Output Power(W):20 下载 :More
Model No.:*EPU20B-109 Output Voltage(VDC):27.0~33.0 Output Current(A):0.74~0.60 Max. Output Power(W):20 下载 :More
Model No.:*EPU20B-110 Output Voltage(VDC):33.0~40.0 Output Current(A):0.60~0.50 Max. Output Power(W):20 下载 :More
Model No.:*EPU20B-111 Output Voltage(VDC):40.0~50.0 Output Current(A):0.50~0.40 Max. Output Power(W):20 下载 :More
Type File Name Download
Type:Datasheet File Name:SINPRO-EPU20B_L6-DATASHEET Download : Download
Type:Safety Certificate File Name:SINPRO-SPU21B,IPU21B,EPU20B-UL Download : Download
Type:Safety Certificate File Name:SINPRO-SPU21B,IPU21B,EPU20B-CB Download : Download
Type:Safety Certificate File Name:SINPRO-SPU21X,IPU21X,EPU20X-FCC Download : Download
The EPU20B series is a family of desktop power supplies (external power supplies) that are designed to offer 15W-20W continuous output power with a single output of either 5v, 12v, 24v, 36v, or 48v (coming with a universal input of 90-264 Vac) at efficiencies up to 87% and can operate in an operating temperature range of 0 to +70°C.
The power supplies are burn-in test conducted and offer class II operation. The series owns comprehensive protection designs along with all-inclusive safety certifications and conforms to major international safety standards including UL/IEC/EN/CSA C22.2 60950-1. All modules are fully compliant with DoE VI energy efficiency regulation and RoHS directive.
The EPU20B switching power supplies are ideal for electron microscopes, monitors, set-top boxes, AV equipment, etc. The series features a type B AC inlet (IEC320 C8); please check the EPU20A series for a type A AC inlet (IEC320 C14), and the  EPU20C series for a type C AC inlet (IEC320 C6).
Sinpro power supply series provides a wide range of selections of AC plug/DC connector that adapts to your devices/equipment adequately.
To find more applications, plug/connector selections, and product details, please click the contact us button below and experience the customized service.

Electrical Characteristics
● Efficiency: 81~87%
● Line Regulation: 1% (max.)
● Load Regulation: 5% (max.)
● Hold-Up Time: 8mS (min.)
● Output Ripple and Noise: 2% (max.)
● Operating Temperature: 0 to +70°C
   (Derate linearly from 100% load at 40°C to 50% load at 70°C)
● Storage Temperature: -40 to +85°C
● Operating Humidity: 0~95%
● Storage Humidity: 0~95%
● MTBF: 100,000 calculated hours

*Click the Contact Us button below for more product applications, plug/connector selections, and experience the customized service.