INDUSTRY COMPONENT

Transistor Array

Integrated circuit containing multiple transistors in a single package for power amplification applications.

Component Specifications

Definition
A transistor array is a monolithic integrated circuit that incorporates multiple bipolar junction transistors (BJTs) or field-effect transistors (FETs) within a single semiconductor package. In power amplifier (PA) applications, these arrays provide matched transistor pairs or groups with consistent electrical characteristics, enabling efficient signal amplification, impedance matching, and thermal management. They are designed to handle high current and voltage levels while maintaining linearity and stability across operating frequencies.
Working Principle
Operates by controlling current flow between terminals (emitter, base, collector for BJTs; source, gate, drain for FETs) using input signals. In arrays, multiple transistors share a common substrate, allowing for precise matching of parameters like gain, threshold voltage, and temperature coefficients. This matching reduces distortion and improves balance in differential amplifier stages, push-pull configurations, and current mirror circuits within PAs.
Materials
Silicon (Si) or gallium arsenide (GaAs) semiconductor substrate; aluminum or copper interconnects; ceramic or plastic encapsulation (e.g., TO-220, DIP, SOIC packages); gold or silver bonding wires.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Package TypeDIP-14, SOIC-16, TO-220
Current Rating0.5A to 10A
Voltage Rating30V to 200V
Power Dissipation1W to 50W
Number Of Transistors2 to 8
Operating Temperature-40°C to 150°C
Gain Bandwidth Product100MHz to 1GHz

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 9001, IEC 60747, JEDEC JESD22

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Thermal runaway due to poor heat dissipation
  • Electrostatic discharge (ESD) damage during handling
  • Parameter mismatch causing circuit imbalance
  • Solder joint fatigue under thermal cycling
FMEA Triads
Trigger: Overcurrent or overvoltage conditions
Failure: Transistor junction breakdown leading to short circuit
Mitigation: Implement current limiting circuits, use fuses or circuit breakers, and adhere to maximum ratings specified in datasheets.
Trigger: Inadequate heat sinking
Failure: Thermal overload and reduced lifespan
Mitigation: Design proper thermal management with heatsinks, ensure adequate airflow, and monitor operating temperatures with sensors.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Gain matching within ±5%, voltage matching within ±2%
Test Method
Electrical testing per IEC 60747 standards, including DC parameter measurement, AC small-signal analysis, and thermal cycling tests.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Transistor Array

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

ETEK Microelectronics
Jiangsu, CN
ISO 26262
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Belling Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Related Components

Marking Ink
Specialized ink for permanent identification on surface mount resistors during manufacturing.
Dielectric Layer
Insulating layer in surface mount capacitors that stores electrical energy through polarization.
Optical Window
Transparent optical component for light transmission in polycarbonate lens housings
PCB Substrate
PCB substrate is the foundational insulating layer that provides mechanical support and electrical connectivity for electronic components in high-speed memory modules.

Frequently Asked Questions

What are the advantages of using a transistor array over discrete transistors in a power amplifier?

Transistor arrays offer matched electrical characteristics (e.g., gain, threshold voltage), reduced component count, improved thermal coupling, and enhanced reliability due to consistent manufacturing on a single substrate, leading to lower distortion and better performance in balanced amplifier designs.

How do I select a transistor array for a specific power amplifier application?

Consider voltage and current ratings, power dissipation, frequency response, package type, and matching tolerances. Ensure compatibility with the amplifier's topology (e.g., Class A, B, AB) and thermal management requirements, referencing datasheets for parameters like hFE matching and thermal resistance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Request Manufacturing Insight for Transistor Array

Thank you. Your request has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.
XOR Gate
Get QuotesChat