INDUSTRY COMPONENT

Resistor Array

A resistor array is a single package containing multiple resistors, used for signal conditioning, voltage division, and current limiting in electronic circuits.

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Component Specifications

Definition
A resistor array is an integrated electronic component that houses multiple discrete resistors within a single package, typically arranged in a common configuration such as isolated, bussed, or dual terminator. It is designed to save space on printed circuit boards (PCBs), improve reliability by reducing solder joints, and enhance signal integrity through matched resistor characteristics. Commonly used in analog and digital circuits for pull-up/pull-down networks, voltage dividers, and termination applications.
Working Principle
Resistor arrays operate based on Ohm's Law (V=IR), where each resistor within the array provides a specific resistance to control current flow and voltage levels in a circuit. The resistors are fabricated using thin-film or thick-film technology on a ceramic or silicon substrate, ensuring precise resistance values and temperature stability. They function by dissipating electrical energy as heat, with configurations allowing for independent or interconnected resistor networks.
Materials
Substrate: Alumina ceramic (Al2O3) or silicon; resistive element: nickel-chromium (NiCr) or ruthenium oxide (RuO2) for thin-film, cermet for thick-film; termination: silver-palladium (AgPd) or nickel barrier with tin-lead or lead-free solder plating; encapsulation: epoxy molding compound or silicone coating.
Technical Parameters
  • Tolerance ±1% to ±5%
  • Package Type SOP, QFP, DIP
  • Resistance Range 10Ω to 10MΩ
  • Number of Resistors 4 to 16
  • Operating Temperature -55°C to +125°C
  • Temperature Coefficient ±100 ppm/°C
  • Power Rating per Resistor 0.063W to 0.25W
Standards
ISO 9001, IEC 60115, JIS C 5201

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Resistor Array.

resistor array network resistor SMD resistor array thick-film resistor thin-film resistor electronic component PCB design Resistor Array in Electrical Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Programmable Resistor Network

A configurable array of resistors used to set precise gain values in electronic amplification circuits.

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Engineering Analysis

Risks & Mitigation
  • Thermal overload due to excessive power dissipation
  • Mechanical stress from PCB bending or vibration
  • Moisture ingress leading to corrosion or short circuits
  • ESD damage during handling
FMEA Triads
Trigger: Overcurrent or high ambient temperature
Failure: Resistor overheating and open circuit
Mitigation: Design with adequate power derating and thermal management
Trigger: Poor solder joint or mechanical shock
Failure: Intermittent connection or component detachment
Mitigation: Follow IPC soldering standards and use strain relief in PCB layout

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±1% to ±5% as per IEC 60115 for standard applications
Test Method
Electrical testing per MIL-STD-202 for resistance, tolerance, and temperature coefficient; visual inspection per IPC-A-610 for solderability and defects.

Buyer Feedback

★★★★☆ 4.7 / 5.0 (23 reviews)

"Testing the Resistor Array now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Electrical Equipment Manufacturing sector, I confirm this Resistor Array meets all ISO standards."

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Frequently Asked Questions

What are the advantages of using a resistor array over discrete resistors?

Resistor arrays save PCB space, reduce assembly time and cost, improve reliability with fewer solder joints, and offer better-matched resistor characteristics for consistent performance in circuits like voltage dividers.

How do I select the right resistor array for my application?

Consider resistance values, tolerance, power rating, package size, and configuration (e.g., isolated vs. bussed). Match these to your circuit requirements, such as signal integrity needs and environmental conditions like temperature range.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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