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  • January-10 2020 23:34:50

    09:23 pm Fri 10 January 2020 Constant current constant voltage step down converter. Good product and operates according to instructions, with good voltage control and current limiting. Running at 3.0 amps with a heatsink on the 5 pin chip and the heat output is satisfactory. My boards were different than the illustration with the inductor mounted horizontal rather than vertical. This horizontal mounting allowed the inductor to come within 1mm contact of the 5 pin chip heatsink. I had to support

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  • October-03 2020 07:22:31

    ‏Same as the picture fast delivery

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  • July-04 2018 12:27:42

    Доставка быстраятрек не отслеживатьсяупаковано хорошовсе приехало как заказывалзаказываю не первый развсе работоспособно

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  • February-15 2019 02:49:20

    Užitečný modul, dobrá kvalita, celkem rychlé dodání. Useful module, good quality, quick delivery.

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  • October-28 2018 07:10:55

    good value.. not 5 amp rated.. can draw about 4-4.5 amp.. else it needs heatsink..

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  • March-04 2019 05:27:17

    In corrente costante aumenta il ripping, ma in generale, funziona bene.

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  • June-28 2018 10:27:57

    fonctionne normalement mais chauffe beaucoup même avec un peu de courant leds pratiques

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  • December-27 2017 13:31:08

    ottimo strumento molto preciso e buona fattura. poli per saldatura ok

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  • August-08 2020 18:25:16

    order arrived really quick yet to try all fie but first two work fine

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  • September-12 2018 02:43:18

    Objednal jsem tři kusy a všechny vyzkoušel při napětím na vstupu 30V. Regulace napětí, proudu a signalizace LED je OK. Zdroj jsem zatížil proudem 1A a dost se zahříval. Na větší proud bych doporučil chladič na integrovaný obvod. Dost se zahřívá i cívka. Tento produkt je určen hlavně k nabíjení baterií Li-Ion. Nastavené hodnoty napětí a proudu jsou stabilní.

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