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 In the world of electronic components, SMD resistance is a basic and critical member, and checking its resistance value accurately is crucial to ensure the normal operation of electronic devices. Today, MobikeChip will give you a detailed introduction on how to accurately check the SMD resistance value.  Multimeter Measurement Method -- Basic and Commonly Used A multimeter is one of the most common tools for checking SMD resistance values. First of all, make sure the multimeter is in normal working condition, and set its range knob to resistance measurement. For SMD resistors, select the appropriate range based on the approximate range of their nominal values, and try to keep the measurement value in the middle of the range to improve the measurement accuracy. For example, if the resistance value is expected to be in the range of tens of ohms to hundreds of ohms, select the 200Ω or 2kΩ range. When measuring, remove the SMD resistor from the circuit board (if measuring on the...

 In electronic circuits, SMD resistors , though small, play a vital role. Ensuring its proper functioning is the key to ensure the stable operation of the whole circuit. Today, MobikeChip will introduce you the effective methods to check whether SMD resistors are working or not.  Appearance Inspection: The Key to Initial Judgment First of all, the appearance of SMD resistors is the most basic step. Carefully observe the surface of the resistor to see if there are obvious signs of damage, such as scorching, cracking, discoloration, etc. A normal working resistor should be flat and smooth. The appearance of a normal working resistor should be flat, without obvious defects, and its markings are clearly recognizable. If black burn marks are found on the surface of the resistor, it is likely that the resistor has been damaged due to excessive heat generation caused by excessive current passing through it, in which case the resistor is usually no longer able to work properly. Also, ...

  The   TOP245YN   is part of Power Integrations'   TOPSwitch-GX family   of   off-line switcher ICs , which integrates a   high-voltage power MOSFET   and several control functions to deliver efficient AC-DC conversion for a wide range of power supplies. It’s particularly well-suited for medium-power applications in consumer electronics, home appliances, and industrial devices that require compact and efficient power solutions. Key Features: Integrated High-Voltage MOSFET : The TOP245YN combines a 700V power MOSFET with a PWM controller, reducing the need for external components and simplifying the design of isolated and non-isolated power supplies. Extended Power Capabilities : Provides  up to 30W  of power in an open-frame design and  up to 15W  in an enclosed adapter configuration, suitable for medium-power applications. Eco-Friendly Low Standby Power : Designed to meet global energy efficiency standards with minimal standb...

  The   CD4011BE   is a   quad 2-input NAND gate IC   from   Texas Instruments , belonging to the   4000 CMOS logic series . It contains four independent NAND gates, each with two inputs, making it versatile for digital logic circuit design. The CD4011BE is widely used in digital electronics projects due to its flexibility, reliability, and low power consumption.  Key Features: CMOS Technology : Built using CMOS technology, the CD4011BE offers  low power consumption  and  high noise immunity  compared to TTL counterparts, making it suitable for battery-powered and low-power applications. Wide Voltage Range : Supports a broad range of operating voltages, typically  from 3V to 18V , allowing it to be used in various digital logic levels and making it compatible with different power sources. High Fan-Out : The IC can drive up to  10 CMOS loads , enabling it to connect with multiple logic circuits without additional buffe...

  The   BA823   is an   audio preamplifier IC   from   ROHM Semiconductor . It is designed for high-quality sound amplification in audio equipment, particularly useful in devices that need to amplify low-level audio signals from sources like microphones or auxiliary inputs. It is typically used in consumer audio applications and communication devices. Key Features: Low Noise and High Gain : Provides clear, high-quality sound amplification with low distortion and noise, ideal for improving audio signal clarity. Wide Voltage Range : Operates on supply voltages from  6V to 15V , allowing flexibility for different audio systems and power supplies. Built-in Bias Circuitry : Incorporates an internal bias circuit, reducing the need for external components and simplifying design, which is helpful in compact devices. Differential Input : Offers differential inputs, enhancing noise immunity and reducing interference, especially valuable in environments with pote...