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Introduction of Three Magnetic Latching Relay Drive Circuits

Hello~everybody!Today we will introduce three relay drive circuits. Hope you like it.

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TIP120 Transistor Introduction

The electronics industry is already full of equipment and components that help ease the lives of ordinary people. However, the electronics industry always has a lot of room for innovation in terms of promoting customers. When switching and amplification are needed, transistors are needed. The TIP120 is an NPN Darlington power transistor. It can switch loads up to 60V with a peak current of 8A and a continuous current of 5A. This makes it suitable for medium and high power electronics, such as controlling motors, solenoids or high power LEDs.

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Selection of Thermal Relay

The current flowing into the heat element generates heat, and the bimetal piece with different expansion coefficients is deformed. When the deformation reaches a certain distance, the link is pushed to make the control circuit open, thereby causing the contactor to lose power, and the main circuit is broken. Open to achieve overload protection of the motor. This article will show you how to choose the right relay.

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Classification and Common Types of Thermal Relays

Thermal relay is used for motor or other electrical equipment, electrical circuit overload protection of electrical appliances. In the actual operation of the motor, for example, in the process of driving the production machinery, if the abnormal condition of the machinery or the abnormal circuit causes the motor to encounter overload, the motor speed will decrease, the current in the winding will increase, and the winding temperature of the motor will increase.

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Ewellix Launches New System for IoT-Ready Electric Cylinder

Ewellix redesigned its high-performance CASM-100 and LEMC electric cylinders to add built-in wireless sensors that detect pressure and temperature.

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2019 third quarter India smartphone shipment ranking

Fast Charging Wireless Mobile Phone Charging

According to the International Data Corporation’s (IDC) mobile phone quarterly tracking report, the Indian smartphone market reached a record 46.6 million units in the third quarter of 2019, an increase of 26.5% from the previous month. It increased by 9.3% year-on-year. This is driven by a number of factors including multi-round online shopping festivals, new model launches, and price adjustments for several major models from multiple brands.

Upasana Joshi, deputy research manager at IDC India’s Client Devices Division, said: “The online shopping platform continues through attractive cashbacks, repurchase offers, interest-free monthly installments and various loan programs. The large-scale promotion behavior made the market share of online channels reach a record 45.4%, an increase of 28.3%.”

At the same time, offline channels continue to face challenges, and sales in the third quarter of 2019 are year-on-year. Decreased by 2.6%. Although offline channel merchants try their best to make the promotion consistent with online merchants, they still do not reach the attractive offers that consumers can win on the online platform, and most of the offline trading models come from the former. Remaining inventory for several quarters.Compared with previous years, as of September, the number of consultation visits by consumers at retail counters has been relatively slow.

Although the model in the low-end price range of $200 still accounts for 80% of the Indian smartphone market share in the third quarter of 2019, its market share has dropped by 5% year-on-year; The market share of the mid-range models of $200 to $500 rose by 6% year-on-year, accounting for 18.9% of the market share in the third quarter of 2019. The fastest growing segment in the third quarter of 2019 is the $300 to $500 price segment model, which is attractive to consumers with the main models such as the One Plus 7, Redmi K20 Pro and vivo V15 Pro. The sales volume has doubled year-on-year. The price range of 200 to 300 US dollars is the second fastest growth market segment, with a year-on-year growth of 47.8% in the third quarter of 2019. Among them, the top models include Galaxy A50 and Redmi Note 7 Pro and vivo Z1 Pro.The average selling price (ASP) for the entire smartphone market was $159, and it achieved a 2.7% year-on-year growth in the third quarter of 2019.

In the high-end models ($500+) segment, Apple continues to dominate the high-end market in the third quarter of 2019 with a market share of 51.3%. Thanks to the price and price reduction of previous generation models such as iPhone XR, iPhone 8, iPhone 7 (128GB), and the new iPhone 11/Pro series.

The feature phone market accounts for 43.3% of total mobile phone shipments.Shipments in the third quarter of 2019 were 35.6 million units, down 17.5% year-on-year. Due to the high channel inventory, the shipment of feature phones supporting 4G decreased by 20.3% year-on-year. In the third quarter of 2019, the 2/2.5G model market also fell by 16.2%.


Shipment reached 12.6 million units, a new quarter high, up 8.5% year-on-year. Redmi 7A and Redmi Note 7 Pro are the most sold models in the entire smartphone market.The model of the millet price range of 300 to 500 US dollars is quite attractive, and the main model is the Redmi K20 series. In the third quarter of 2019, Xiaomi’s market share reached 40.0%, and it continued to be the leader in the online channel. Four of the top five models in the market were from Xiaomi.


The only vendor in the top five rankings fell by 8.5% in the third quarter of 2019. Sales were plummeting as older Galaxy A-series models (Galaxy A10 and Galaxy 50, etc.) and the latest Galaxy As series (Galaxy A10s and Galaxy A50s, etc.) were out of stock before Diwali. However, the new Galaxy M30s performed well in the first quarter.


With its reasonably priced Y-series (Y12 and Y91/i), it achieved a strong year-on-year growth of 58.7% in the third quarter of 2019. . The company also launched a new online Z/U series, which accounts for more than 20% of its total shipments, making vivo the third largest online mobile phone supplier with a market share of 8.2 in the third quarter of 2019. %.


climbed to fourth place in the third quarter of 2019, and its shipments in the third quarter of 2019 soared several times. Mainly due to the large shipments of its affordable C2 models and its new 5 and 3i series. The supplier’s online share reached a record high of 26.5% in the third quarter of 2019, up from 16.5% in the previous quarter.


The ranking slipped to fifth place in the third quarter of 2019.However, it increased by 92.3% year-on-year. Its A5s ranks fifth in terms of shipments across the smartphone market. In addition, OPPO, with its new Reno 2 series, is the second largest supplier in the fast-growing segment of the $300 to $500 segment. Due to the siege of Xiaomi and Realme in this market segment, the K-series sales for its online sales are weak.

Navcdar Singh, Director of IDC India Client Equipment and IPDS Research, said: “We expect the smartphone market to achieve only a medium-to-high single-digit year-on-year growth in 2019. This is due to strong consumer sentiment in consumers. As well as the increase in channel inventory levels in the third quarter of 2019 due to the record of sales, it will bring down the shipments in the last quarter. In addition, the endless large-scale promotional war for online merchants will continue to be offline. Channels create challenges, while offline channels remain the largest shipping channel for smartphones in India. All of these factors indicate a slow growth in the next quarter.”