INDUSTRY COMPONENT

Package

Power semiconductor device package providing electrical connection, thermal management, and environmental protection for semiconductor chips.

Component Specifications

Definition
A power semiconductor device package is a protective enclosure that houses semiconductor chips (such as IGBTs, MOSFETs, diodes, thyristors), providing electrical interconnections through leads or terminals, efficient heat dissipation via thermal interfaces, and mechanical and environmental protection against moisture, contaminants, and physical damage. It ensures reliable operation under high voltage, high current, and high-temperature conditions in power electronics applications.
Working Principle
The package functions by encapsulating the semiconductor die with insulating materials (e.g., epoxy, silicone), connecting it electrically via wire bonding or clip bonding to external terminals, and incorporating a thermal path (e.g., copper baseplate, heat sink) to dissipate heat generated during operation. It maintains electrical isolation, manages thermal expansion mismatches, and protects against environmental stressors to ensure long-term reliability.
Materials
Common materials include: copper or aluminum for leads and baseplates; silicon gel, epoxy molding compound, or ceramic (Al2O3, AlN) for insulation; solder (Pb-free or Sn-Pb) for die attachment; gold or aluminum wires for bonding; and nickel or silver plating for corrosion resistance.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Package TypesTO-220, TO-247, D2PAK, SOT-223, Module (e.g., IGBT modules)
Current RatingUp to 3600A
Voltage RatingUp to 6500V
Isolation Voltage2500V AC min
Thermal Resistance0.1-1.0°C/W
Operating Temperature-55°C to 175°C

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 16750, IEC 60747, JEDEC JESD22, DIN EN 60747

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Thermal fatigue leading to solder joint failure
  • Delamination under thermal cycling
  • Corrosion from moisture ingress
  • Electrical breakdown due to insulation degradation
FMEA Triads
Trigger: Thermal cycling stress
Failure: Solder joint cracking or wire bond lift-off
Mitigation: Use compliant solder materials, optimize thermal design, and implement accelerated life testing.
Trigger: Moisture absorption
Failure: Popcorning or corrosion during reflow
Mitigation: Apply conformal coatings, use moisture-resistant materials, and follow proper storage guidelines.
Trigger: High electric field
Failure: Partial discharge or insulation breakdown
Mitigation: Enhance dielectric materials, ensure proper creepage distances, and perform high-potential testing.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Dimensional tolerances per manufacturer specs (e.g., ±0.1mm for lead spacing); electrical tolerances as per datasheet (e.g., ±5% for voltage ratings).
Test Method
Testing includes thermal cycling (IEC 60068-2-14), humidity testing (IEC 60068-2-78), high-potential testing (IEC 60112), and mechanical shock/vibration (IEC 60068-2-27/64).

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 Package

Manufacturer profiles associated with Package.

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Frequently Asked Questions

What are the main functions of a power semiconductor package?

It provides electrical interconnection, heat dissipation, mechanical support, and environmental protection for the semiconductor die.

How does thermal management work in these packages?

Through materials like copper baseplates and thermal interface materials that conduct heat away from the die to a heat sink, minimizing thermal resistance.

What standards apply to power semiconductor packaging?

Key standards include IEC 60747 for semiconductor devices, ISO 16750 for environmental testing, and JEDEC standards for reliability.

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.

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