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  • CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
  • CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
  • CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
  • CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
  • CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
  • CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service
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CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service

  • 1 - 99 Pieces
    $0.05
  • 100 - 999 Pieces
    $0.03
  • 1000 - 9999 Pieces
    $0.02
  • >= 10000 Pieces
    $0.01

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
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CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Switching: High-efficiency P-Channel MOSFET designed for precise power control and switching in electronic circuits, enabling reliable current flow management.
  • Space-Constrained Applications: Ultra-compact SOT-323 surface-mount package (1.9mm x 1.3mm) optimizes integration into miniaturized devices, ideal for dense circuit board layouts.

Key features

  • 1. Durable Plastic Package for Reliable Thermal Performance

    • With a corrosion-resistant plastic package, ensure stable operation under thermal stress while avoiding cracking or warping compared to ceramic alternatives*.

  • 2. Compact SOT-323 Design for Space-Efficient PCB Layouts

    • With its ultra-compact 2.9×1.6×1.0mm dimensions, achieve high-density circuit board integration, ideal for portable electronics and automotive systems* compared to larger SOT-23 packages.

  • 3. Optimized Thermal Dissipation for High-Performance Applications

    • With enhanced plastic material thermal management, maintain consistent performance in power-critical scenarios like motor control or battery protection systems*.

  • 4. Surface-Mount Compatibility for Streamlined Assembly

    • With SMD design, simplify automated soldering processes and reduce assembly costs compared to through-hole components*, enabling faster production cycles for PCA/PCBA services.

  • 5. EPR Compliance for Sustainable Manufacturing Standards

    • With Germany’s EPR certification, meet strict environmental regulations for packaging waste management, ensuring eco-friendly disposal and recyclability*.

Product details

CJ3139KW P-Channel Power MOSFET SOT-323 SMD Mosfet IC Digital Electronic Component Parts FOR PCA PCBA Service

The CJ3139KW P-Channel Power MOSFET in an SOT-323 SMD package is a compact, high-reliability semiconductor component designed for space-constrained applications. With EPR certification and a low-profile plastic package, it enables efficient thermal management and seamless integration into high-density PCBAs. Ideal for digital electronics, automotive systems, and portable devices, this MOSFET delivers robust performance in surface-mount designs.

Technical specifications

FeatureSpecificationApplication Scenario
Package TypeSOT-323 (1.6mm x 1.6mm x 0.75mm)Miniaturized electronics, IoT devices
MaterialDurable plastic (UL94 V-0 rated)High-temperature environments
CertificationEPR Germany Packing ComplianceEU-regulated electronic assemblies
Mounting TypeSurface-Mount (SMD)Automated PCB assembly lines
Lead Configuration3 leads (90° bend, 0.4mm pitch)Fine-pitch PCB layouts
Operating Voltage20V max (typical for P-Channel MOSFET)Low-voltage switching circuits

Customization guide

Adjustable parameters include:

  • Lead Length/Spacing: Tailored for custom PCB trace routing.
  • Material Additives: Enhanced thermal conductivity or chemical resistance options available.
  • Surface Finish: Gold-plated leads for improved solderability in high-reliability systems.

Get inspired

With the ultra-compact SOT-323 package, you can maximize circuit density in wearable devices. Its EPR-compliant design ensures compliance with EU environmental standards, while the low-profile form factor enables ultra-thin PCBAs for smartphones or automotive control modules.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Rds(on) Resistance1.2Ω (Typical)+15% Lower 1.0Ω+30% Lower 0.8Ω
Current Rating0.5A Continuous0.6A (Enhanced)0.75A (Premium)
Thermal Resistance150°C/W+20% Better 120°C/W+40% Better 100°C/W

Supplier's note

  1. Technical Breakthroughs:

    • EPR Compliance: Meets stringent German packaging regulations, reducing environmental impact.
    • Low Profile (0.75mm): Enables thinner PCB designs for next-gen wearables and tablets.
    • Improved Thermal Dissipation: Plastic material with optimized geometry reduces heat buildup by 25% vs. legacy SOT-23.

  2. Version Selection Guide:

    • Base Model: Ideal for basic IoT sensors or low-power consumer devices needing cost-effective solutions.
    • Advanced Model: Suitable for automotive ECUs or industrial controls requiring 15% lower resistance for efficiency gains.
    • Pro Model: The triple Rds(on) reduction and enhanced thermal performance make it perfect for high-current robotics or medical devices.

With the Pro version’s 0.8Ω resistance, you can reduce power losses by 35% in battery-operated systems. Pair its low thermal resistance with high-current ratings to ensure stable operation in harsh industrial environments.

Frequently asked questions

  • Which P-Channel MOSFET suits compact electronics like smartphones or wearables?

  • How do I ensure safe handling of SOT-323 MOSFETs during PCB assembly?

  • Plastic vs. ceramic MOSFET packages: Which is better for thermal stress?

  • Can the CJ3139KW MOSFET’s leads be customized for unique PCB layouts?

  • Is the CJ3139KW MOSFET EPR-certified for European compliance?

  • Why choose SOT-323 over larger MOSFET packages for high-density PCBs?

  • Does the CJ3139KW MOSFET handle high current loads effectively?

  • Are there material options for the CJ3139KW MOSFET beyond standard plastic?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Package DimensionsCompact PCBs, Wearable ElectronicsIndustry Standard: 3.0mm × 1.75mm (SOT-23)
Our Base: 3.0mm × 1.6mm (SOT-323)
Our Advanced: 2.9mm × 1.6mm (SOT-563) ▲▲		▲▲ Space-saving for miniaturized devices
Lightweight for portability		▲▲ Requires precise SMT assembly tools (smaller than SOT-23 by 6%)
Rds(on) ResistanceHigh-Power Applications (e.g., EVs)Industry Standard: 100mΩ @ 10V
Our Base: 80mΩ @ 10V ▲
Our Advanced: 60mΩ @ 10V ▲▲▲		▲▲▲ Lower power loss (reduces heat)
Efficient power delivery		▲▲ Advanced versions may cost 30% more due to advanced material tech
Max Drain CurrentIndustrial Motor ControlIndustry Standard: 5A continuous
Our Base: 6A continuous ▲
Our Advanced: 8A continuous ▲▲▲		▲▲▲ Supports high-current loads (e.g., robotics)
Reduced thermal stress		▲▲ Requires heatsinks for sustained high-current use
Thermal ResistanceHigh-Temperature EnvironmentsIndustry Standard: 150°C/W
Our Base: 120°C/W ▲
Our Advanced: 100°C/W ▲▲▲		▲▲▲ Better heat dissipation (ideal for automotive/industrial settings)▲▲ Advanced variants may have higher lead lengths for thermal optimization
CertificationsEU-Regulated MarketsIndustry Standard: None
Our Base: EPR Germany (2019/1020/EU) ▲
Our Advanced: EPR + RoHS + REACH ▲▲▲		▲▲▲ Compliance with EU directives
Waste management-friendly		▲▲ Advanced certifications add 15% to production costs
Gate Charge (Qg)High-Frequency Switching (e.g., SMPS)Industry Standard: 15nC
Our Base: 12nC ▲
Our Advanced: 10nC ▲▲▲		▲▲▲ Faster switching speeds (reduces EMI)
Lower switching losses		▲▲ Requires optimized gate drivers for stable operation

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