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Surface Mount Resistors

Surface mount (SMD) resistors are a type of resistor designed to be mounted directly onto the surface of printed circuit boards (PCBs). The primary function of a surface mount resistor is to provide a specific amount of resistance to electrical current in a circuit. The provided resistance is critical for controlling the flow of electrical current, protecting sensitive components, and ensuring the stable operation of electronic circuits. SMD resistors come in various shapes and sizes, typically rectangular or cylindrical, with their resistance value marked on the component. With their remarkable features and potential benefits, they are an integral component of a variety of modern consumer electronics and other applications in various settings.

Benefits of Surface Mount Resistors:

Surface mount resistors offer several advantages over through-hole resistors, including:

  • Space-saving: SMD resistors take up less space on the PCB, allowing higher component density and smaller device sizes.
  • Automated assembly: They suit automated assembly processes, such as pick-and-place machines, which can increase manufacturing efficiency.
  • Lower parasitic effects: SMD resistors have shorter lead lengths compared to through-hole resistors, reducing parasitic effects like inductance and capacitance.
  • Better high-frequency performance: Due to their lower parasitic effects, SMD resistors are often preferred in high-frequency applications.

Popular Types of Surface Mount Resistors:

SMD resistors come in various types, each suited for different needs based on stability, resistance range, tolerance, power rating, and frequency characteristics. Some of the most common SMD resistor types include: 

  • Thick Film Resistors
  • Thin Film Resistors
  • Resistor Networks
  • Current Sense Resistors
  • Metal Foil Resistors
  • Metal Oxide Resistors
  • Metal Film Resistors
  • High-Frequency Resistors
  • High Voltage Resistors
  • Temperature Compensated Resistors.

Typical Applications of Surface Mount Resistors:

Surface mount resistors are integral components of modern electronics and are used across a myriad of applications due to their compact size and robust reliability. Some of the typical applications include:

  • Mobile Phones
  • Telecommunications
  • Computers
  • Aerospace and Defense
  • Industrial Machinery
  • Automotive Systems
  • Medical Devices
  • Power Supplies

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ERJ6ENF1744V, Panasonic
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257-3010, RS PRO

257-3010, RS PRO

RS PRO High Voltage Low VCR Thick Film Chip Resistor - RSPHVRC Series Features and Benefits: This range of RS PRO Resistors boast a highly reliable multilayer electrode construction that ensures durability and longevity, even in demanding applications, thanks to the advanced construction technique that enhances the resistor’s stability and operational lifespan With superior reliability, these resistors optimise the performance of electronic equipment, offering high performance and efficiency, as well as consistency under high voltages to ensure stability and accuracy Because of the reliability and design of these resistors, they offer reduced maintenance needs and enhanced operational continuity, which means less downtime and interference when for maintenance cycles The resistor ensures a low voltage coefficient, guaranteeing stable performance and ensuring systems maintain accuracy even when conditions fluctuate Thanks to the smaller design of this RS PRO resistor, they actually contribute to a reduction in size of the final equipment that it’s being used in, allowing for more streamlined and space-efficient devices that are much more suitable for more modern, compact applications Ideal for various applications, these resistors find their place in critical systems such as inverters for outdoor equipment and converters for high pulse equipment Each resistor is manufactured in strict accordance with AEC-Q200 compliance to ensure that it meets the automotive industry’s rigorous standards for reliability and durability Applications: Why RS PRO?
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ESR10EZPJ300, ROHM

ESR10EZPJ300, ROHM

The ROHM anti-surge chip resistors has exclusive resistive element pattern and laser trimming technology results in significantly improved surge resistance characteristics. It has 2kV to 5kV electrostatic discharge resistance. Superior power ratings Obtained ISO9001 / IATF16949 certification Corresponds to AEC-Q200
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ESR10EZPF2204, ROHM

ESR10EZPF2204, ROHM

The ROHM anti-surge chip resistors has exclusive resistive element pattern and laser trimming technology results in significantly improved surge resistance characteristics. It has 2kV to 5kV electrostatic discharge resistance. Superior power ratings Obtained ISO9001 / IATF16949 certification Corresponds to AEC-Q200
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ESR10EZPF3003, ROHM

ESR10EZPF3003, ROHM

The ROHM anti-surge chip resistors has exclusive resistive element pattern and laser trimming technology results in significantly improved surge resistance characteristics. It has 2kV to 5kV electrostatic discharge resistance. Superior power ratings Obtained ISO9001 / IATF16949 certification Corresponds to AEC-Q200
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ESR10EZPJ125, ROHM

ESR10EZPJ125, ROHM

The ROHM anti-surge chip resistors has exclusive resistive element pattern and laser trimming technology results in significantly improved surge resistance characteristics. It has 2kV to 5kV electrostatic discharge resistance. Superior power ratings Obtained ISO9001 / IATF16949 certification Corresponds to AEC-Q200
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ESR10EZPJ165, ROHM

ESR10EZPJ165, ROHM

The ROHM anti-surge chip resistors has exclusive resistive element pattern and laser trimming technology results in significantly improved surge resistance characteristics. It has 2kV to 5kV electrostatic discharge resistance. Superior power ratings Obtained ISO9001 / IATF16949 certification Corresponds to AEC-Q200
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ESR03EZPJ623, ROHM

ESR03EZPJ623, ROHM

The ROHM ESR anti-surge chip resistor feature an exclusive resistive element pattern and laser trimming technology that allows for significantly improved surge resistance characteristics. 2kV to 5kV electrostatic discharge resistance Superior power ratings Corresponds to AEC-Q200 ROHM resistors have obtained ISO9001 / IATF16949 certification
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ESR18EZPJ363, ROHM

ESR18EZPJ363, ROHM

The ROHM anti-surge chip resistor has exclusive resistive element pattern and laser trimming technology which results in significantly improved surge resistance characteristics. Superior power ratings Operating temperature -55°C to +155°C Corresponds to AEC-Q200
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RG1005P-470-B, Susumu Co

RG1005P-470-B, Susumu Co

Susumu RG Series Ultra Precision Thin Film Chip Resistors Susumu RG series Ultra precision 0.01% Tol, 2 ppm TCR thin film chip resistors are high reliability and have excellent stability at different environmental conditions. Thin film structure enabling low noise and anti-sulfur.High precision resistance tolerance: ±0.05%, very small TCR: ±5ppm/℃. These resistors have Less than ±0.1% drift after 10000 hors of reliability test. Applications Test & Measurement Automotive electronics Industrial measurement instrumentation, industrial machines Various sensors, medical electronics Optical & Telecommunication. Forming a uniform thin film layer by using original thin film deposition technology. This highly sofisticated technology realizes the stable electric characteristics, less the over-time drift and high-precision by the non-turbulence ideal electronic flow. All products originated from RG series are protected against high humidity and harsh environment by inorganic passivation technology, and realize its long-term stability and high reliability. Metal thin film chip resistors (the highest precision) RG series AEC-Q200 Long term stability with inorganic passivation Less than ±0.1% drift after 10000 hors of reliability test High precision resistance tolerance(%) ±0.02%, very small TCR: ±5ppm/℃ Thin film structure enabling low noise and anti-sulfur.
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ERJB1AF241U, Panasonic

ERJB1AF241U, Panasonic

1020 Format ERJB1 Series Chip Resistor ERJ B1 high-power chip resistors from Panasonic feature a wide terminal construction. This allows for excellent heat dissipation and ensures the reliability of solder joints. AEC-Q200 qualified Current sensing Applications These high-power chip resistors are AEC-Q200 qualified and suitable for automotive applications. For example, air bag systems, anti-lock breaking systems and ECUs. They can also be used for current sensing in power supply circuits. Power at 70°C 1W 2W (R ≤ 10Ω) Resistance Tolerance 1% Temperature Coefficient 0 → +350 ppm/°C (R 0 → +200 ppm/°C (22mΩ ≤ R 0 → 150ppm/°C (47mΩ ≤ R 100ppm/°C (100mΩ ≤ R) Operating Temperature -55 → +155°C Dimensions (LxWxT) 5 x 2.5 x 0.55 mm
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ERJB2AF432V, Panasonic

ERJB2AF432V, Panasonic

Panasonic Surface Mount Resistor1206 Format ERJ B2 Series - 1% ERJ B2 high-power surface mount chip resistors from Panasonic feature a wide terminal construction. This allows for excellent heat dissipation and ensures the reliability of solder joints. Features & Benefits: AEC-Q200 qualified Current sensing Applications These high-power chip resistors are AEC-Q200 qualified and suitable for automotive applications. For example, air bag systems, anti-lock breaking systems and ECUs. They can also be used for current sensing in power supply circuits.
New items
ERJ6ENF4122V, Panasonic

ERJ6ENF4122V, Panasonic

0805 Format Resistor, ERJ6EN Series - 1% (7kΩ-49.9kΩ) Panasonic ERJ 6EN 0805 metal film resistors provide a lightweight, compact solution. Constructed from three layers of electrodes and a metal glaze thick film resistive element, these chip resistors are highly reliable. Suitable for both flow soldering and reflow soldering Resistance tolerance of ±1% Placement machine compatible AEC-Q200 qualified Applications These metal film resistors are AEC-Q200 qualified and are suitable for automotive applications. Other suitable applications include computers, instruments, video cameras, watches, pocket calculators, tv tuners and telecommunication equipment. Standards IEC 60115-8, JIS C 5201-8, EIAJ RC-2134B Applications include : Telecommunication Equipment Radio and Tape Recorders, TV Tuners Video Cameras, Watches, Pocket Calculators Automotive Industry Computers, Instruments
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