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*Текущая стоимость 387,76 уже могла изменится. Что бы узнать актуальную цену и проверить наличие товара, нажмите "Добавить в корзину"
| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Feb-18-2026 | 491.63 руб. | 501.60 руб. | 496 руб. |
| Jan-18-2026 | 399.52 руб. | 407.1 руб. | 403 руб. |
| Dec-18-2025 | 484.4 руб. | 494.49 руб. | 489 руб. |
| Nov-18-2025 | 480.21 руб. | 490.44 руб. | 485 руб. |
| Oct-18-2025 | 383.77 руб. | 391.72 руб. | 387 руб. |
| Sep-18-2025 | 472.96 руб. | 481.90 руб. | 476.5 руб. |
| Aug-18-2025 | 468.9 руб. | 477.90 руб. | 472.5 руб. |
| Jul-18-2025 | 464.26 руб. | 473.30 руб. | 468.5 руб. |
Описание товара
SF-20W series compact single switching power supply
Features:universal AC input
Small volume,low weight,high efficiency
Protections:short circuit/over load/over voltage/over temp
cooling by free air convection
LED indicator for power on
100% full load burn-in test
2 Years warranty
Model |
SF-20-5 |
SF-20-9 |
SF-20-12 |
SF-20-15 |
SF-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 current15A/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 over150°C, start over temperature protection |
|||||
protection type:hiccup mode,auto-recovery after temperature become normal |
||||||
environment |
Working temp,humidity |
-10°C~+60°C,20%~90%RH |
||||
Storage temp,humidity |
-20°C~+85°C,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:100Mohms/500VDC |
|||||
Fit standard |
Safety standard |
Compliance to UL1012 |
||||
EMC standard |
Compliance to EN55022,CLASSA |
|||||
others |
Dimension |
97*58*25mm(L*W*H) |
||||
Weight/packing |
0.11kg/160pcs/18.5kg/0.033 m⊃3;/1.17CUFT |
|||||
note |
1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and25°Cof 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. |
|||||
Shipping:
We Ship to Worldwide, except APO/FPO.
Items are shipped from China using Airmail, reach most of the countries within 10 to 20 business days.
Delivery time depends on destination and other factors, it may takes up to 20 business days
Noted: Fedex Maybe charge handling charges at your country, we are not responsible for this charges.
Payment:
Payment method on Aliexpress Check here http://help.aliexpress.com/payment_method.htm
Warranty and Guarantee:
12 months Warranty. Buy with confidence!
If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.
If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee
Other Policies:
We are not responsible for any custom duty or import tax.
We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.
All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply to you as soon as possible.
Serious Buyer Only! Please place bid only if you agree with all the terms
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