| Prod Model: |
SMB-D20B |
| Input: |
85-264VAC 240-370VDC |
| Output: |
5V2a 24V0.5A |
| Power: |
20W |
| Size: |
96*58*25mm |
| Weight: |
0.15kg |
| Working Temperature: |
-10~+60 Degree C,20%~90%Rh |
| DC Adjustable: |
10% |
| Safety Standard: |
En60950 UL60950 GB4943 |
| Customized: |
Available |
| Efficiency: |
74% |
| Output Type: |
Dual |
| Warranty: |
2 Years |
| Output Power: |
1 - 50W |
| Input Voltage: |
Full Range |
| Connection Mode: |
Series Switching Power Supply |
| Starting Mode: |
Self-excited Switching Power Supply |
| Voltage Regulating Mode: |
Width Modulation Type |
| Power Supplying System: |
Terminal Power Distribution Equipment |
| Certification: |
ISO |
| Brand: |
Smun |
Product Description
20W dual output switching power supply
AC input voltage range selected by switch
Small volume, low weight, high efficiency
Protections: Short circuit/over load/over voltage/over temp
Cooling by free convection
LED indicator for power on
100% full load burn-in test
2 year warranty
| Model | SMB-D20A | SMB-D20B | SMB-D20C |
| Output | DC Voltage | Ch1:5v | Ch2:12v | Ch1:5v | Ch2:24v | Ch1:12v | Ch2:24v |
| Voltage tolerance | ±2.0% | ±6.0% | ±2.0% | ±5.0% | ±3.0% | ±7.0% |
| Rated Current | 0.5-2A | 0.1-0.1A | 0.5-2A | 0.1-0.5A | 0.2-1A | 0.2-0.4A |
| Related Power | 20w | 20W | 20W |
| Wave&Noise | 60mVp-p | 120mVp-p | 60mVp-p | 150mVp-p | 60mVp-p | 150mVp-p |
| DC Voltage ADJ range | Ch1:-9%~+10% |
| Set up,rise,hold up time | 200ms 100ms 30ms |
| Input | Voltage Range | 95 ~264VAC 47-63HZ 120-370VDC |
| AC Current | 2A/115VAC 1A/230VAC |
| Efficiency | 72% | 74%% | 75% |
| AC inrush current | Cold start current 15A/115V 30A /230VAC |
| Leakage current | <3.5mA/240VAC |
| Protection | Overload | Related output power 105-150% start overload protection |
| Protection type: cutoff output, recovery after restart power |
| Over voltage | Ch2 :115%~135% |
| Hiccup mode,recovers automatically after fault condition |
| Environment | Working temp humidity | -10~+60°C 20%~90%RH |
| Storage temp, humidity | -20~+85°C 20%~90%RH Non-condensing |
| Withstand vibration | 10-500Hz,2G 10min/1 cycle, period for 60min, each axes |
| Safety | Withstand voltage | I/P-O/P:1.5KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC |
| Isolation resistance | I/P-O/P:I/P-FG:O/P-FG: 100M Ohms/500VDC |
| Standard | Safety standard | Fit UL1012 |
| Refer | Design refer to GB4943,UL60950,EN60950 |
| EMC standard | Design refer to GB9254,EN55022 Class A |
| Size | size | L96*W58*H25mm |
| Package | 0.25kg, 80pcs/20kg |
| Note:1.All parameters not specially mentioned are measured at 230VAC input, related load and 25of ambient temperature. |
| 2.Wave&noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf&47uf parallel capacitor. |
| 3.Tolerance: includes set up tolerance, line regulation and load regulation. |
Zhejiang Ximeng Electronic Technology Co., Ltd. specialized in designing R&D production and sale. We have Independent import and export rights. The main products are switching power supply, LED driver power supply, AC/DC adapter, Electrical plug&sockets, Indicator lamp, terminal blocks, cable glands and related wiring accessories, Push button switches, and so on. All products are exported by our company YUEQING XIMENG IMP&EXP. Co., Ltd.
Our company is a high-tech company specialized in designing. R&D. Production and sale, the products Switching Power Supply are with the characteristics of the low price, high efficiency, high reliability, long lifetime and so on. Our products are widely used in industrial automation field, indoor and outdoor LED lighting, LED lighting projects, communication, instrumentation, etc. Our Switching Power Supply is the ideal upgraded product to replace traditional controlling transformer. The design of this series of products is in accordance with such international standards as American UL1012, German TUVEN60950, IEC950, UL1950 and EC EMCLVD. Relying on high-quality imported components, advanced production techniques and perfect testing equipment, we create high-quality XIMENG products. XIMENG products sell well in domestic markets and in Europe and Southeast Asia. Our company focuses on innovating science and technology, wining a reputation with quality, and pursuing development with sincerity. We always update our equipment and create new products constantly, striving to follow the core mind of Science and Technology to improve life and supply wide customers with sincerity, high-quality products and highly efficient service. In order to thanks to the long-term support and the cooperation of customers at home and abroad, as well as develop new business field, our company warmly welcomes all the customers to come for instruction and discuss cooperation. Let us develop together and create our prosperous future!
