Products
250W Single output Switching power supply S-250 Series
High efficiency, high reliability, low cost
Universal AC input / full range
100% full load burn-in test
Protections: Short circuit/ Over load/ Over voltage
PWM control and regulated
Forced air cooling by built in DC fan
Built-in cooling Fan ON-OFF control
Fixed switching frequency at 25 KHz
2 years warranty
| OUTPUT | ||||||||
| Model |
S-250-7.5 |
S-250-12 |
S-250-13.5 |
S-250-15 |
S-250-24 |
S-250-27 |
S-250-48 |
|
| DC output voltage |
7.5V |
12V |
13.5V |
15V |
24V |
27V |
48V |
|
|
Output voltage error |
±2% |
±1% |
±1% |
±1% |
±1% |
±1% |
±1% |
|
|
Rated output current |
33A |
20A |
18.5A |
16.7A |
10A |
9A |
5A |
|
|
Output current range |
0-33A |
0-20A |
0-18.5A |
0-16.7A |
0-10A |
0-9A |
0-5A |
|
| Wave and noise |
200mVp-p |
150mVp-p |
150mVp-p |
150mVp-p |
150mVp-p |
150mVp-p |
240mVp-p |
|
| Inlet stability |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
|
| Load stability |
±1% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
|
| DC output power |
247.5W |
240W |
248W |
250.5W |
240W |
243W |
240W | |
| Efficiency |
75% |
79% |
79.00% |
80.00% |
81% |
82% |
84% | |
| DC voltage adjustable range |
6~9V |
10~13.2V |
12~15V |
13.5~18V |
20~26.4V |
26~32V |
41~56V | |
| AC input voltage range | 88~132VAC/176~264VAC selected by switch 47~63Hz;248~370VDC | |||||||
| Input current |
5A/115V 2.5A/230V |
|||||||
| Leakage current | <3.5mA/240VAC | |||||||
| PROTECTION | ||||||||
| Over Load | 105%~135% | |||||||
| Protection type: Fold back current limiting, recovers automatically after fault condition is removed. | ||||||||
| Over Voltage | 115%~135% | |||||||
| Protection type: hiccup mode, recovers automatically after fault condition is removed. | ||||||||
| Over Temp. | RT3≥55℃ Fan On, ≤45℃ Fan Off, ≥80℃ Output Shutdown (5~7.5V) | |||||||
| RT3≥65℃ Fan On, ≤55℃ Fan Off, ≥80℃ Output Shutdown (12~15V) | ||||||||
| RT3≥70℃ Fan On, ≤60℃ Fan Off, ≥85℃ Output Shutdown (24~48V) | ||||||||
| ENVIRONMENT | ||||||||
| Working Temp., Humidity | -10℃~+50℃; 20%~90%RH | |||||||
| Storage Temp., Humidity | -20℃~+85℃; 10%~95%RH | |||||||
| Vibration | 10~500Hz, 2G 10min./1cycle, period for 60min, each along X, Y, Z 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 | Design refer to UL1950 | |||||||
| EMC Standard | Design refer to EN55022, EN55024, EN61000 | |||||||
| OTHERS | ||||||||
| Dimension | 215*115*50mm(L*W*H) | |||||||
| Weight | 1Kg | |||||||
| Packing | 20pcs/20Kg | |||||||
| NOTE | ||||||||
| 1.All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1μ & 47μ parallel capacitor. 3.Tolerance: includes set up tolerance, line regulation and load regulation |
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