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20Pcs Mini DC Adjustable Power Supply Buck Module Step Down Module

3.9526

SM98.13 / SM119.74

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SM54.47 / SM119.74

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

location

Ҳозир Харидан Ба Сабад илова кунед

Корти Кредитӣ ё Дебетӣ

Тозагии Харид Кафолат дода мешавад

Тӯҳфаи Ройгон

Тӯҳфаи ройгон бо ҳар харид

Сиёсати Ирсол

Ирсоли стандартии ройгон барои фармоишҳо аз $9.9 зиёд

Сиёсати Бозгашт

Тӯҳфаҳои баргардонидашуда то 40 рӯз пас аз гирифтани мол қабул карда мешаванд. Тӯҳфаҳои фардӣ наметавонанд баргардонида ё иваз карда шаванд. Тӯҳфаҳое, ки бо корти тӯҳфаи электронӣ харида шудаанд, танҳо иваз карда мешаванд; бозгаштҳо қабул намешаванд.

Тӯҳфаи Ройгон

Хуш омадед ба Roymall, сомонаи касбии шумо барои харидани тӯҳфаҳои баландсифати мағозаҳои департаментӣ. Мо дастгирии шуморо қадр карда, бо илова кардани як лаҳзаи иловагии шавқ ба харидҳои шумо, миннатдорӣ худро ифода мекунем. Вақте ки бо мо харид мекунед, шумо на танҳо аз маҳсулоти баландсифат, ки ҳаёти шуморо беҳтар мекунанд, баҳра мебаред, балки ҳар як фармоиш бо як тӯҳфаи ройгони махсус меояд. Омодаед, ки коллексияи моро омӯхта ва тӯҳфаҳои комили худро пайдо кунед? Маҳсулоти баландсифати мағозаҳои департаменти моро тафтиш кунед, фармоиши худро гузоред ва интизори шавқи тӯҳфаи ройгони худ бо хариди худ бошед.

Сиёсати Ирсол

Мо баъд аз гирифтани фармоишҳои шумо барои ирсоли мол ба шумо мекошем ва онҳоро бо амният мерасонем. Тафсилоти ирсол дар почтаи электронии тасдиқии шумо дода мешавад.Дар аксари ҳолатҳо, фармоишҳо дар давоми 2 рӯз коркард карда мешаванд.Дар ҳолатҳои махсус, онҳо ба таври зерин ба таъхир меафтанд: Вақте ки шумо дар рӯзи шанбе, якшанбе ё идҳо фармоиш медиҳед, он барои 2 рӯз ба таъхир меафтад..Одатан, 5-7 рӯзи корӣ (аз душанбе то ҷумъа) лозим аст, бе он ки бо таъхири парвоз ё омилҳои дигари муҳит таъсир кунад..Азбаски хидмати ирсоли мо дар саросари ҷаҳон аст, вақти ирсол вобаста ба ҷойгиршавии шумо хоҳад буд, бинобар ин, агар шумо дар ноҳияҳо ё кишварҳои дур ҳастед, шояд чанд бор лозим ояд ва лутфан бо сабр интизор шавед.

1. Сиёсати Бозгашт & Иваз

Мо танҳо тӯҳфаҳоеро қабул мекунем, ки аз roymall.com харида шудаанд. Агар шумо аз тақсимкунандагони маҳаллии мо ё аз фурӯшандагони дигар харида бошед, шумо наметавонед онҳоро аз ҷониби мо баргардонед. Тӯҳфаҳои фурӯши ниҳоӣ ё тӯҳфаҳои ройгон барои бозгашт қабул намешаванд. Барои иҷозаи бозгашт, тӯҳфаи шумо бояд истифода нашуда ва дар ҳамон ҳолате бошад, ки шумо онро гирифтаед. Инчунин бояд дар бастабандӣи аслӣ бошад.Пас аз гирифтани дастурҳои бозгашт аз мо, лутфан тӯҳфаҳои бозгаштшудаи худро бастабандӣ кунед ва бастаи худро дар почтаи маҳаллӣ ё дигар корпораҳои интиқолӣ гузоред.
Мо тӯҳфаи бозгаштшуда ё ивазшудаи шуморо дар давоми 3-5 рӯзи корӣ пас аз гирифтанаш коркард мекунем. Бозгашт ба таври худкор коркард ва ба усули аслии пардохти шумо ворид карда мешавад.Бозгашт ё иваз қабул карда намешавад, агар маҳсулот бо фармоиш истеҳсол шуда бошад, аз ҷумла андозаи фардӣ, рангҳои фардӣ ё чопҳои фардӣ.Агар ба ёрии бештар ниёз доред, лутфан бо мо тамос гиред. service@roymall.com ё Whatsapp: +8619359849471

2.Сиёсати Бозгашт

Шумо пас аз гирифтани бастаи бозгаштӣ ва тафтиши он, бозгашти пурра ё 100% кредити мағозаро хоҳед гирифт. Бозгашт ба таври худкор коркард ва ба усули аслии пардохти шумо ворид карда мешавад. Лутфан қайд кунед, ки хароҷоти интиқол ва ҳама гуна уҳраҳо ё пардохтҳо бозгашт карда намешаванд. Хароҷоти иловагии интиқол пас аз фиристодани баста бозгашт карда намешаванд. Шумо масъули пардохти ин уҳраҳо ҳастед ва мо наметавонем онҳоро рафъ ё бозгашт кунем, ҳатто агар фармоиш ба мо баргардонида шавад.Пас аз гирифтани тӯҳфаи бозгаштӣ ва тасдиқи он, мо ба шумо почтаи электронӣ мефиристем, то ба шумо хабар диҳем, ки мо тӯҳфаи бозгаштшудаи шуморо гирифтаем. Мо инчунин ба шумо хабар медиҳем, ки бозгашти шумо тасдиқ ё рад карда шудааст.Агар дар бораи раванди бозгашт мушкилӣ доред, лутфан бо мо тамос гиред. service@roymall.com ё Whatsapp: +8619359849471

20Pcs Mini DC Adjustable Power Supply Buck Module Step Down Module

Description:

Module Properties: Non-isolated step-down module (BUCK)
Rectification: Synchronous rectification
Input voltage: DC 4.75V-23V
Output voltage: DC 1.0V-17V (Adjustable, Output < Input)
Output current: Rated current 1.8A (3A MAX, can not be prolonged)
Output ripple: 30mV (no-load)
Dimension: 17 x 11 x 4mm (L x W x H) / 0.67 x 0.43 x 0.16 inch approx

Package included:

20 x Mini DC-DC step-down adjustable module

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Show Original

A part of the review has been auto-translated.

kent VIP3
CA

18/06/2021

These are an incredible value. 96-98% efficiency means NO HEAT and NO WASTED POWER.. the days of the TO-220 1A regulator with heatsink and fan are over.
It brings shame to what I used to think was an efficient power supply after matching transformer, rectifier, heat sink, and convection cooling.
There are two; a 1.8A and a 3A and they are both terrific regulators - power supplies made simple!

** And just as a side note: they arrived faster than a similar order for FETs from Amazon!

These are an incredible value. 96-98% efficiency means NO HEAT and NO WASTED POWER.. the days of the TO-220 1A regulator with heatsink and fan are over.
It brings shame to what I used to think was an efficient power supply after matching transformer, rectifier, heat sink, and convection cooling.
There are two; a 1.8A and a 3A and they are both terrific regulators - power supplies made simple!

** And just as a side note: they arrived faster than a similar order for FETs from Amazon!

These are an incredible value. 96-98% efficiency means NO HEAT and NO WASTED POWER.. the days of the TO-220 1A regulator with heatsink and fan are over.
It brings shame to what I used to think was an efficient power supply after matching transformer, rectifier, heat sink, and convection cooling.
There are two; a 1.8A and a 3A and they are both terrific regulators - power supplies made simple!

** And just as a side note: they arrived faster than a similar order for FETs from Amazon!

5

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Show Original
Ralf VIP5
GB
15/01/2023

Product corresponds to the description. Processing and quality are very good. I have bought these modules several times. Am very satisfied with them.
Have processed these modules several times, they work reliably. Until today I had no failure.
I can highly recommend a purchase.

Product corresponds to the description. Processing and quality are very good. I have bought these modules several times. Am very satisfied with them.
Have processed these modules several times, they work reliably. Until today I had no failure.
I can highly recommend a purchase.

Product corresponds to the description. Processing and quality are very good. I have bought these modules several times. Am very satisfied with them.
Have processed these modules several times, they work reliably. Until today I had no failure.
I can highly recommend a purchase.
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A part of the QA has been auto-translated.

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Q:
Is this version also overheating? what I have are Without load, the inductance went up to almost 80 degrees for me, unfortunately after the load I connected it didn't get any better. They had 60-70 mA in consumption without load.

Is this version also overheating? what I have are Without load, the inductance went up to almost 80 degrees for me, unfortunately after the load I connected it didn't get any better. They had 60-70 mA in consumption without load.
Is this version also overheating? what I have are Without load, the inductance went up to almost 80 degrees for me, unfortunately after the load I connected it didn't get any better. They had 60-70 mA in consumption without load.

A:

I have used this module in different circuits. Have not detected an overheating. Use it up to approx. 1.4 A. I am very satisfied, everything works without problems.

I have used this module in different circuits. Have not detected an overheating. Use it up to approx. 1.4 A. I am very satisfied, everything works without problems.

Answered by Ralf on 25/05/2021Helpful (0)
0

Q:
If the input voltage changes, does the output voltage change?

If the input voltage changes, does the output voltage change?
If the input voltage changes, does the output voltage change?

A:

nop

nop

Answered by athensgr1 on 11/03/2022Helpful (0)
0

Q:
Is input and output voltage set automatically?

Is input and output voltage set automatically?
Is input and output voltage set automatically?

A:

not support

not support

Answered by Spencer on 28/08/2022Helpful (0)