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Chip Resistor

Chip resistors have the characteristics of limiting DC or AC. Such characteristics are used to drop the voltage or maintain the current at a certain level inside an electronic circuit. Resistance basically follows the Ohm’s law. Materials of high and low electrical conductivities are used together to realize the required resistance value. The main resistance element materials of chip-type resistors are SiO₂, RuO₂, and CuNi, making it possible to make products that have high resistance, low resistance, ultralow resistance, antisulfur, and array resistance properties.

Standard Resistor

This resistor regulates currents and drops voltage in circuits by using properties that interrupt the flow of current in the electronic circuit. It prints resistance, electrode and protective material on a ceramic body, and implements the precision resistance required in the circuit in the form of SMD-capable chips.

Application
Smart Phone, PC, Digital TV, Camera, LCD, Memory Module, Game Machine, DC-DC Converter
Product Search
You can find various Samsung Electro-Mechanics products and detailed product information.

  • 1. Electrode (Ag)
  • 2. Overcoat
  • 3. NiCr
  • 4. Ni
  • 5. Sn
Ultra-Mini Size 01005(0402)
0.4×0.2mm ultra-mini size that can reduce the mounting area (55% reduction from 0.6×0.3mm)
Pb-Free Series
01005(0402) ~ 2512(6432), Antimony, Phthalate, Lead Free Eco-Friendly Products

Ultra Small Size

Fat Single Task -> Slim Multi Task
  • 0603 inch(1.6×0.8 mm)
  • 0402(1.0×0.5 mm)
  • 0201(0.6×0.3 mm)
  • 56% 축소
  • 01005(0.4×0.2mm)

Array Resistor

One single array resistor can replace four or two single resistors. Using an array resistor can help reduce mounting area compared to using multiple single resistors. Array resistors are becoming more widely used, as they can help reduce the number of mounting processes and cut down on mounting time and costs, as well as significantly improve SMT productivity. Array resistors are used by major global semiconductor companies and have been recognized for their quality and performance.

Application
For Damping, Pull-Up/Pull-Down, Termination for Digital Circuits, Memory Module
Product Search
You can find various Samsung Electro-Mechanics products and detailed product information.

  • 1. 보호체
  • 2. 저항
  • 3. 전극 (Ag)
Various Structure
A Variety of Array Products, with Resistors on either Bottom or Top Surface of the Body, depending on Usage
Small Array Resistor
Small, Lightweight, Thin 0603 Array (58% Reduction in Mounting Area vs. 1005 Array)

Lineup

LineupSize, Inch, Element etc
Size
Inch/(㎜)
Element
(㎜ x n)
Watt
(W)
Tolerance
(%)
Special
Description
R Value(Ω) P/N
1≤ 10 100 1K≤ 10K 100K 1M ≤10M
0302
(0806)
0603 x 2R 1/32 ± 5.0 % Flat  
MP
  RF062P
Flat Reverse  
MP
  RM062P
0502
(1406)
0603 x 4R 1/32 ± 1.0 %,
± 5.0 %
Flat  
MP
  RF064P
Flat Reverse  
MP
  RM064P
0404
(1010)
1005 x 2R 1/16 ± 1.0 %,
± 5.0 %
Concave MP RN102P
Concave Reverse MP RM102P
Concave Half Reverse MP RK102P
Convex MP RP102P
0804
(2010)
1005 x 4R 1/16 ± 1.0 %,
± 5.0 %
Concave MP RN104P
Concave Reverse MP RM104P
Concave Half Reverse MP RK104P
Convex MP RP104P

Anti Sulfur Resistor

For chip resistors, silver (Ag) is often used as the main material for electrodes. Silver, however, is easily corroded by sulfur (S) and gradually transforms into silver sulfide (Ag₂S). Silver sulfide (Ag₂S) is nonconductive and prevents currents from flowing between both terminals of a resistor. As such, it is necessary to use sulfur-resistant resistors for electronic devices used in adverse environments. it is necessary to use anti-sulfur resistors. Samsung Electro-Mechanics' anti-sulfur chip resistors are developed based on the company’s own material and design technologies while utilizing materials that are highly resistant to corrosion by sulfur.

Application
Electronic Devices with Long-Term Reliability, Server System (Memory Module/HDD), Network Equipment
Product Search
You can find various Samsung Electro-Mechanics products and detailed product information.

  • 1. Electrode (Ag-Pd)
  • 2. Overcoat
  • 3. Ni
  • 4. Sn
Track Record of Better Anti-Sulfur
Performance than International ASTM
B 809-95 Standards
Unique Material Technology enables Realization of Highest Level of Corrosion Conditions (105℃/720hr) Performance
Lineup of Various Resistors
Ranging from Small to Large (0603~6432mm), including Array Resistors

Enhanced anti-sulfur performance

1. Chip Resistor Failure Mechanism

Noxious gas (SO₂) in the atmosphere penetrates into the chip resistor, causing silver (Ag) corrosion → Electrical Characteristics Fail

  • [Fig - Cross Section ]
  • [Fig – Sulfide (Cross Section)]

    Overcoat, Silver Sulfide(Ag₂S) Growth, Plating, Resistor, Substrate, Conductor

Sulfur Gas Infiltration between the Overcoat Layer and the Plating Layer Interface

  • Ag + S = Ag2S, Ag2S

    [Failed Chip Resistor]

  • Ag2S

    [SEM - Sulfide ]

2. Apply Conductor (Ag-Pd) to Suppress Sulfur Corrosion (Ag₂S)
Special Conductor(Ag-Pd)
[FoS Test △R% AVG.]

Current Sensing Resistor(Thick Film Type)

An ultra-low-resistance product of the thick-film method used for current detection, this is an inverted mounting structure in which the resistor is located on the lower surface to reduce resistance error. This product has high rated power and low TCR characteristics.

Application
Current Sensing for CPU, DC-DC Converters, Inverter Power Supplies, Mobile Device, BMS(Battery Management System)
Product Search
You can find various Samsung Electro-Mechanics products and detailed product information.

  • 1. 도금 (Ni+Sn)
  • 2. 전극 (Cu)
  • 3. 저항체(CuNi)
  • 4. 보호체
Thick Film Method
Various Low ohm (CSR) Series with High Power and Low TCR Characteristics
Resistance Error Reduction Structure
Inverted Mount Design with a Lower Surface Resistor Structure

Thick Film Method

Current Sensing Resistor Material
  • 1. Ceramic Body
  • 2. Resistive
  • 3. Conductor(1st Conductor)
  • 4. Terminal(2ⁿᵈ Conductor)
  • 5. Marking
  • 6. Insulation(2ⁿᵈ Overcoat)
  • 7. Plating
Lineup by Specification Part Name, Substance Name, Material Name etc.
Part Name Substance
Name
Material
Name
1. Body Ceramic Al₂O₃
2. Resistive Layer(Self Product) Resistor Cu/Ni
3. Top Conductor(Self Product) Cu Alloy Cu
4. Terminal Conductor Sputter Ni & Cr
5. Marking Polymer Epoxy Resin
6. Insulation(2ⁿᵈ Overcoat) Polymer Epoxy Resin
7. Plating(1ˢᵗ, 2ⁿᵈ, 3ʳᵈ) Cupper,
Nickel, Tin
Cu, Ni, Sn

  • High Performance(1mΩ)
  • High Power : RJ series(10mΩ)
  • Low TCR High Power : RUK series(10mΩ)
  • Normal Product : RU series(100mΩ), RUT series(1000mΩ)

Current Sensing Resistor(Metal Plate Type)

This is an ultra-low resistance product used for current detection as the main element of power control. It has an electrode structure for reducing resistance errors. It is a shunt resistor of the high-current metal-plate type, and has high rated power and low temperature property change.

Application
Current Sensing for CPU, DC-DC Converters, Inverter Power Supplies, Mobile Device, BMS(Battery Management System)
Product Search
You can find various Samsung Electro-Mechanics products and detailed product information.

  • 1. Electode
  • 2. Overcoat
  • 3. Plated
Metal Plate Method
Various Low ohm (Metal CSR) Series with High Current and Low TCR Characteristics
Small SMD Type Suitable for Reflow Soldering
Low Height Structure Applicable to Small Equipment

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