Structured Manufacturing Data (2026)

Active Device

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Active Device used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Active Device is characterized by the integration of Semiconductor Substrate and Junction Region. In industrial production environments, manufacturers listed on CNFX commonly emphasize Semiconductor Silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Electronic component that requires external power to operate and can amplify, switch, or process signals

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Product Specifications

Technical details and manufacturing context for Active Device

Definition
An active device within the Amplification Stage is an electronic component that requires an external power source to function and is capable of controlling electron flow to amplify, switch, or process electrical signals. Unlike passive components, active devices can increase signal power and perform complex signal processing functions essential for amplification circuits.
Working Principle
Active devices operate by using external power to control the flow of electrons through semiconductor materials. They typically contain semiconductor junctions (like PN junctions in transistors) that can be biased to regulate current flow. When properly configured in amplification circuits, small input signals control larger output currents, resulting in signal amplification through mechanisms like current gain or voltage gain.
Common Materials
Semiconductor Silicon, Doped Semiconductor Materials, Metal Contacts
Technical Parameters
  • Gain parameter indicating amplification capability (dB) Customizable
Components / BOM
  • Semiconductor Substrate Part
    Base material providing the electronic properties for device operation
    Material: Silicon or Compound Semiconductor
  • Junction Region Part
    Area where different semiconductor materials meet to control electron flow
    Material: Doped Semiconductor Layers
  • Terminal Contacts Part
    Electrical connections for input, output, and power supply
    Material: Gold or Aluminum

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Active Device.

active semiconductor device signal amplification silicon-based active electronic component doped semiconductor active device active device for optical product manufacturing powered electronic component with metal contacts

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Amplification Stage
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Oscillator Circuit
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Oscillator
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Voltage-Controlled Oscillator
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar (typical for sealed packages)
other spec: Signal frequency range: DC to 2 GHz, Power supply: 3.3V to 48V DC, Humidity: 0-95% non-condensing
temperature: -40°C to +85°C (industrial grade), -55°C to +125°C (military grade)
Media Compatibility
✓ Clean dry air environments ✓ Low-corrosion industrial gases ✓ Non-conductive liquid immersion (with proper encapsulation)
Unsuitable: High-concentration corrosive chemical atmospheres (e.g., chlorine gas, strong acids)
Sizing Data Required
  • Required signal bandwidth/frequency
  • Power supply voltage and current capacity
  • Input/output impedance matching requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue failure
Cause: Cyclic loading beyond design limits leading to subsurface crack initiation and propagation
Electrical insulation breakdown
Cause: Thermal degradation from overheating or contamination-induced tracking
Maintenance Indicators
  • Abnormal high-frequency vibration or audible whining from rotating components
  • Unusual temperature rise detected via thermal imaging or touch (>10°C above baseline)
Engineering Tips
  • Implement condition-based monitoring with vibration analysis and infrared thermography to detect early degradation
  • Establish precision alignment procedures and controlled startup sequences to minimize transient mechanical stresses

Compliance & Manufacturing Standards

Reference Standards
ISO 13485:2016 - Medical devices IEC 60601-1:2005 - Medical electrical equipment CE Marking - Medical Devices Directive 93/42/EEC
Manufacturing Precision
  • Dimensional accuracy: +/-0.05mm for critical features
  • Surface finish: Ra 0.8μm maximum for contact surfaces
Quality Inspection
  • Electrical safety testing (leakage current, insulation resistance)
  • Performance verification (accuracy, response time, stability)

Factories Producing Active Device

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is an active device in electronics?

An active device is an electronic component that requires external power to operate and can amplify, switch, or process electrical signals, unlike passive components like resistors or capacitors.

What materials are used in active devices?

Active devices typically use semiconductor silicon as the substrate, doped semiconductor materials to create junction regions, and metal contacts for terminal connections.

How are active devices used in computer and optical manufacturing?

In computer and optical product manufacturing, active devices are crucial for processing signals in circuits, enabling functions like data amplification in computers and signal switching in optical systems.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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