| Model | HSF-20-5 | HSF-20-9 | HSF-20-12 | HSF-20-15 | HSF-20-24 | |
| output | DC voltage | 5V | 9V | 12V | 15V | 24V |
| Voltage tolerance | ±1% | ±1% | ±1% | ±1% | ±1% | |
| Rated current | 4A | 2.2A | 1.7A | 1.4A | 0.8A | |
| Current range | 0~4A | 0~2.2A | 0~1.7A | 0~1.4A | 0~0.8A | |
| Rated power | 20W | 19.8W | 20.4W | 21W | 19.2W | |
| Ripple&noise | 80mvp-p | 120mvp-p | 120mvp-p | 120mvp-p | 120mvp-p | |
| DCvoltage ADJ.range | -9%~+10% | ±10% | ±10% | ±10% | ±10% | |
| input | Voltage range | 90~264VAC，125~373VDC | ||||
| frequency | 47~63HZ | |||||
| AC current | 0.45A/115VAC，0.25A/230VAC | |||||
| efficiency | 75% | 78% | 78% | 78% | 80% | |
| Inrush current | Cold start current 15A/115VAC，30A/230VAC | |||||
| Leakage current | < 0.5mA/240VAC | |||||
| protection | overload | Rated output power115%~135% start over load protection | ||||
| protection type：hiccup mode，auto-recovery after fault condition is removed | ||||||
| Over voltage | 6.8~8.2V | 12.6~14.2V | 15.6~17.8V | 18.6~20.8V | 30.6~33.2V | |
| protection type：hiccup mode，auto-recovery after fault condition is removed | ||||||
| Over temperature | When temperature of transistor inner node is over 150℃, start over temperature protection | |||||
| protection type：hiccup mode，auto-recovery after temperature become normal | ||||||
| environment | Working temp,humidity | -10℃~+60℃，20%~90%RH | ||||
| Storagetemp,humidity | -20℃~+85℃，10%~95%RH non-condensing | |||||
| Withstand vibration | 10~500HZ，2G 10min/1cycle，period for 60 minutes，each axes | |||||
| safety | Withstand voltage | I/P-O/P：1.5KVAC I/P-FG：1.5KVAC O/P-FG：0.5KVAC | ||||
| Isolated resistance | I/P-O/P,I/P-FG,O/P-FG：100M ohms/500VDC | |||||
| Fitstandard | Safety standard | Fit UL1012 | ||||
| EMC standard | EN55022，CLASSA | |||||
| others | Dimension | 97*58*25mm (L*W*H) | ||||
| Weight/packing | 0.11kg/160pcs/18.5kg/0.033 m³/1.17CUFT | |||||
| 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 0.1uf & 47uf parallel capacitor. | ||||||
| 3. Tolerance : includes set up tolerance, line regulation and load regulation | ||||||
HSF-20 compact single switching power supply
HSF-20 compact single switching power supply
·170～264VAC AC input
·Small volume，low weight，high efficiency
·Protections：short circuit/over load
·cooling by free air convection
·LED indicator for power on ·100%
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