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HomeProductsDiscrete Semiconductor ProductsDiodes - Rectifiers - ArraysCPT300100D
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CPT300100D - Microsemi Corporation

Manufacturer Part Number
CPT300100D
Manufacturer
Microsemi
Allelco Part Number
32D-CPT300100D
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
4,560 pcs available, New & Original
Parts Description
DIODE MODULE 100V TO244AB
Package
TO-244AB
Data sheet
CPT300100D.pdf

PCN Obsolescence/ EOL

Multiple Devices 30/Oct/2014.pdf
RoHs Status
 
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Our certification
In stock: 4560

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Specifications

CPT300100D Tech Specifications
Microsemi Corporation - CPT300100D technical specifications, attributes, parameters and parts with similar specifications to Microsemi Corporation - CPT300100D

Product Attribute Attribute Value
Manufacturer Microsemi
Voltage - Forward (Vf) (Max) @ If 980 mV @ 200 A
Voltage - DC Reverse (Vr) (Max) 100 V
Technology Schottky
Supplier Device Package TO-244AB
Speed Fast Recovery =< 500ns, > 200mA (Io)
Series -
Product Attribute Attribute Value
Package / Case TO-244AB
Package Bulk
Mounting Type Chassis Mount
Diode Configuration 1 Pair Series Connection
Current - Reverse Leakage @ Vr 4 mA @ 100 V
Current - Average Rectified (Io) (per Diode) 150A

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

Manufacturer Part Number

CPT300100D

Manufacturer

Microsemi

Introduction

This product is a Schottky diode array featuring a fast recovery time and high average rectified current.

Product Features and Performance

Fast recovery time of less than 500 ns

High average rectified current of 150A per diode

Series configuration of 1 pair of diodes

Chassis mount TO-244AB package

Product Advantages

Efficient power conversion with fast switching

Compact and robust package design

Suitable for high-current applications

Key Technical Parameters

Reverse voltage: 100V

Forward voltage drop: 980mV @ 200A

Reverse leakage current: 4mA @ 100V

Quality and Safety Features

Reliable Schottky diode technology

Designed for safe and robust operation

Compatibility

Suitable for chassis mount applications

Application Areas

Power supplies

Motor drives

Industrial equipment

Renewable energy systems

Product Lifecycle

This product is currently available and there are no indications of it being discontinued in the near future. Replacement or upgraded options may become available over time as technology evolves.

Key Reasons to Choose This Product

High-performance Schottky diode design

Fast recovery time for efficient power conversion

High current handling capability

Robust and compact package

Suitable for a wide range of industrial applications

Frequently Asked Questions(FAQ)

How does the CPT300100D’s forward voltage compare to typical silicon rectifiers under high-current conditions, and what implications does this have for thermal design in power conversion applications?
The CPT300100D exhibits a maximum forward voltage of 980 mV at 200 A, which is significantly lower than equivalent silicon diodes operating under similar current levels—typically exceeding 1.1 V due to higher intrinsic material resistance. This reduction in conduction loss directly translates to lower junction temperatures for the same heat-sinking configuration, improving reliability and efficiency in high-power switching converters. For a system drawing 200 A continuously, the reduced Vf can result in approximately 40 W less power dissipation compared to silicon alternatives, reducing thermal stress and potentially allowing use of smaller or fewer heat sinks.
What are the key differences between the CPT300100D and a standard Schottky diode array like the BAT54S when used in bidirectional protection circuits?
While both devices utilize Schottky technology, the CPT300100D is designed for high-current, chassis-mount applications with a rated average rectified current per diode of 150 A and reverse voltage of 100 V. In contrast, the BAT54S is a low-power dual diode package intended for signal-level clamping or ESD protection, with only 200 mA maximum current and 30 V reverse rating. The CPT300100D offers superior thermal mass and packaging suitable for industrial or automotive environments, whereas the BAT54S prioritizes miniaturization and fast response at low currents. Using the CPT300100D in place of the BAT54S would be appropriate where current handling exceeds hundreds of milliamperes and space constraints are not critical.
Can the CPT300100D be used interchangeably with discrete Schottky diodes in modular power supply designs without compromising transient response?
The CPT300100D integrates two Schottky diodes in series connection within a single TO-244AB package, providing matched characteristics and reduced parasitic inductance compared to discrete implementations. However, substituting it for discrete diodes may require careful layout consideration due to its larger footprint and chassis-mount orientation. Its fast recovery time (<500 ns) ensures minimal reverse recovery spikes during hard-switching events common in switch-mode power supplies. When replacing discrete diodes in such topologies, the integrated nature reduces loop inductance and improves symmetry, potentially enhancing EMI performance and stability—provided mechanical mounting aligns with cooling requirements.
What impact does the CPT300100D’s reverse leakage current have on system efficiency at elevated ambient temperatures?
With a maximum reverse leakage of 4 mA at 100 V, the CPT300100D contributes negligible power loss in most DC systems. At 100 V, this corresponds to 0.4 W of standby dissipation, which becomes insignificant relative to load currents above several amps. Even over temperature ranges typical in industrial settings (up to 125°C), leakage remains well below thresholds that would affect overall efficiency. Thus, while not zero, the leakage current does not impose measurable penalties on converter efficiency, making the CPT300100D suitable for continuous-operation applications where long-term reliability outweighs marginal leakage concerns.
How should PCB layout differ when integrating the CPT300100D compared to surface-mount rectifier arrays?
Unlike surface-mount devices requiring precise thermal pad soldering and controlled reflow profiles, the CPT300100D uses chassis mounting, implying it interfaces thermally through a base plate rather than via the PCB. Therefore, layout must accommodate mechanical fixation points, ensure adequate creepage distance from high-voltage nodes, and allow unimpeded airflow over the heatsink interface. The TO-244AB package has multiple leads arranged for direct attachment to metal chassis, so nearby copper planes should be minimized to avoid shorting during assembly. Thermal management relies more on external heatsinks than board-level copper, shifting optimization focus to mechanical integration rather than PCB thermal vias.
What are the implications of using the CPT300100D in automotive environments regarding moisture sensitivity and reliability?
The CPT300100D carries an MSL rating of 1, indicating it is not moisture-sensitive and requires no special storage or pre-conditioning before soldering. This simplifies manufacturing logistics and enhances reliability in harsh environments such as those found in automotive under-hood applications. Combined with its robust TO-244AB packaging and Schottky construction resistant to secondary breakdown, the device maintains stable electrical parameters across wide temperature swings (-55°C to +175°C junction limit). These traits make it viable for AEC-Q101 qualified systems without additional encapsulation or conformal coating, assuming proper mechanical sealing of the overall module.
Why might one choose the CPT300100D over a bridge rectifier module despite similar voltage ratings?
The CPT300100D provides only a pair of series-connected diodes, limiting its use to half-wave or controlled-phase configurations, unlike full-bridge modules capable of AC-to-DC conversion. However, in isolated DC/DC converters where freewheeling or blocking functions are needed on one side, the CPT300100D offers lower cost, simpler control logic, and reduced component count. Its high current capability (150 A per diode) and low Vf also reduce losses in synchronous rectification schemes where one diode handles reverse current. Selection depends on topology: if full-wave operation is required, a bridge is necessary; but for unidirectional high-current paths, the CPT300100D delivers better efficiency and thermal performance.
How does the CPT300100D’s package influence its suitability for high-reliability versus cost-sensitive consumer applications?
The TO-244AB chassis-mount package inherently supports higher power dissipation and mechanical robustness, favoring industrial, medical, or defense-grade systems where long service life and vibration resistance are paramount. Consumer products typically prioritize small form factors and automated pick-and-place assembly, making SMD packages more economical. While the CPT300100D could theoretically serve in ruggedized consumer gear (e.g., gaming PCs), its manual installation requirement increases labor costs and limits scalability. Thus, the choice reflects application-criticality: the CPT300100D excels where durability and thermal headroom dominate design trade-offs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microsemi Corporation CPT300100D

Product Attribute CPT300100A CPT300100 CPT30040D CPT30040A
Part Number CPT300100A CPT300100 CPT30040D CPT30040A
Manufacturer Microsemi Corporation Microsemi Corporation Microsemi Corporation Microsemi Corporation
Technology - - - -
Current - Average Rectified (Io) (per Diode) - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Speed - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Diode Configuration - - - -
Current - Reverse Leakage @ Vr - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Forward (Vf) (Max) @ If - - - -
Voltage - DC Reverse (Vr) (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount

CPT300100D Datasheet PDF

Download CPT300100D pdf datasheets and Microsemi Corporation documentation for CPT300100D - Microsemi Corporation.

Datasheets
CPT30080-CPT300100.pdf
Environmental Information
Microchip CA Prop65.pdf Microchip REACH.pdf Microchip RoHS.pdf
PCN Obsolescence/ EOL
Multiple Devices 30/Oct/2014.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
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  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
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  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
Microsemi Corporation

CPT300100D

Microsemi Corporation
32D-CPT300100D

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