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Showing Results For: Surface Mount Resistors
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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SMT 47M OHMF, PCN
ISA-Plan Shunt Chip Resistor, SMT Series
Metal-plated shunt chip resistor for use in mass production
Special large-current terminal with focus on heat dissipation
Lead-free construction
Resistance tolerance
±1%
Temperature coefficient of resistance (20 → 60 °C)
±50 ppm/°C
Operating temperature range
-55 to 170°C
Internal thermal resistance
13°C/W
Unit dimensions
7.1
´
4.2 (mm)
New items
New items
CRGP2010F39K, TE Connectivity
TE Connectivity is pleased to introduce this SMD Pulse withstand thick film Chip resistor, suitable for auto placement in volume and for most applications. Available in five different packages and supplied on tape and reel for automatic insertion processes
Small size and light weight
Suitable for both wave and reflow soldering techniques
Supplied on tape
Pulse Rated
7 different package sizes
Terminal finish matte Sn over Ni
New items
ERJP6WJ5R6V, Panasonic
0805 Format Anti-Surge Resistors, ERJP6W Series (1Ω to 1kΩ)
The ERJ P6W series of chip resistors from Panasonic are constructed from double-sided resistive elements. Three layers of electrodes and a metal glaze thick film resistive element ensure high reliability. ERJ P6W chip resistors offer 1.5 time higher pulse characteristics than other comparable size anti-surge resistors, such as the ERJP06 series.
High reliability
Both reflow and flow soldering can be used
High pulse characteristics
Exceptional ESD surge characteristics in comparison to standard metal film resistors
AEC-Q200 qualified
Applications
These chip resistors are AEC-Q200 qualified and can be used for automotive applications.
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
New items
ERA6AEB2102V, Panasonic
0.125W ERA Series 0.1% 25ppm - Full Reel (1kΩ → 27kΩ)
Panasonic metal film chip resistors are high reliability type and stable at high temperature and humidity. Panasonic metal film chip resistors are also highly accurate with a small resistance tolerance and temperature coefficient of resistance, as well as high performing, featuring low current noise and excellent non-linearity.
Standards
IEC 60115-8, JIS C 5201-8, EIAJ RC-2133A
New items
CRCW06033K16FKEA, Vishay
0603 CRCW Series Surface Mount Resistors - 1% (Paper T/R) (ZeroΩ to 9.53kΩ)
From Vishay, the CRCW series consists of surface mount thick film resistors. These SMD resistors are constructed from a high quality ceramic with a metal glaze. With pure tin plated solder contacts, you can use soldering processes that either contain lead or are lead-free.
Features and benefits:
0603 package size.
Available with resistance values ranging from 0 Ω to 10 MΩ.
Protective overglaze.
Excellent stability (ΔR/R ≤ 1 % for 1000h at +70 °C).
Wide operating temperature range of -55°C to +155°C.
±1% tolerance.
Applications:
These SMD resistors are suited to a wide range of applications include telecommunication equipment, cameras and computers.
With an AEC-Q200 qualification, these SMD resistors are also suitable for automotive applications.
Power at 70°C
0.1W
Resistance Tolerance
1%
Temperature Coefficient
100ppm/°C
Operating Temperature
-55 → 155°C
Max.Operating Voltage
75V
Dimensions (LxWxT)
1.55 x 0.85 x 0.45 mm
New items
3504G3A7K5FTDF, TE Connectivity
The TE Connectivity thin film chip power resistor have high stability and offering very high power / size ratio of 6W in 2512 size. Resistance values are within the IEC 63 E96 and E24 value grids. The resistor have accurate and uniform physical dimensions to facilitate automatic placement methods.
High thermal conductivity aluminium-nitride substrate
High power/size ratio
thin film power resistors with TCR ±50ppm/°C
New items
LTR100LJZPFU10L0, ROHM
The ROHM high power thick film shunt resistors have the terminals at long sides of square shape featuring far higher rated power than the standard resistors, this structure having short distance between the both terminations attains strong soldering fixat
Chip resistors for current detection 10 mohm
high joint reliability with long side terminations
ROHM resistors have obtained ISO9001 / IATF16949 certification
Corresponds to AEC-Q200
New items
ERA6AEB8661V, Panasonic
0.125W ERA Series 0.1% 25ppm - Full Reel (1kΩ → 27kΩ)
Panasonic metal film chip resistors are high reliability type and stable at high temperature and humidity. Panasonic metal film chip resistors are also highly accurate with a small resistance tolerance and temperature coefficient of resistance, as well as high performing, featuring low current noise and excellent non-linearity.
Standards
IEC 60115-8, JIS C 5201-8, EIAJ RC-2133A
New items
ERA6AEB4990V, Panasonic
Panasonic ERA Series Size 0805 0.125W 0.1% 25ppm Metal Film Chip Resistors, 47Ω → 976Ω
ERA 6A metal film resistors from Panasonic offer stability in high humidity and high temperature environments, while remaining highly accurate. This series of 0805 chip resistors offers a high performance solution.
AEC-Q200 qualified
Small temperature coefficient of resistance
Small resistance tolerance
Excellent linearity and low current noise
0.125 W power rating
Applications
These metal film resistors are AEC-Q200 qualified and are suitable for automotive applications.
Resistance Range
47Ω → 1MΩ
Power at 70°C
0.125W
Resistance Tolerance
0.1%
Temperature Coefficient
±25ppm/°C
Operating Temperature
-55 → 155°C
Operating Voltage
100V
Overload Voltage
200V
Length
2 mm
Width
1.25 mm
Standards
IEC 60115-8, JIS C 5201-8, EIAJ RC-2133B
New items
New items
CRCW06033K30FKEAHP, Vishay
0603 High Power Thick Film Chip Resistors, CRCW HP e3 Series - 0.25W
Excellent pulse load capability
Enhanced power rating
Double side printed resistor element
Metal glaze on high quality ceramic
Protective over glaze
Excellent stability (ΔR/R ≤ 1 % for 1000h at 70 °C)
Lead (Pb)-free solder contacts on Ni barrier layer
Pure tin plating provides compatibility with lead (Pb)-free and lead containing soldering processes