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The SI3865DDV is a power management chip designed for efficient voltage regulation in electronic devices

  • Manufacturer Part # : Si3865DDV

  • Package/Case: TSOP6

  • Brand: VISHAY

  • Product Categories : Signal Circuits->Other Analog ICs

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Quality Assurance

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.



Tape and Reel

Tape and Reel

Cut Tape

Cut Tape

Tube or Tray

Tube or Tray

Si3865DDV DataSheet


Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Quick Inquiry

Please submit RFQ for Si3865DDV or email to us: Email: [email protected], we will contact you in 12 hours.


The SI3865DDV is a P-channel MOSFET (metal-oxide-semiconductor field-effect transistor) designed for power management applications. It operates with a voltage range of -20V to -4V and a continuous drain current of -6.5A. The transistor has a low on-resistance of 63 milliohms maximum, ensuring minimal power loss during operation. Its compact package and low-profile design make it suitable for space-constrained applications. The SI3865DDV features a fast switching speed, enabling efficient power conversion in various circuits. Additionally, it has built-in protection features such as over-temperature and over-current protection, enhancing system reliability. This MOSFET is commonly used in battery management, load switching, and DC-DC converter applications where efficient power control is essential.

Key Features

  • Low On-Resistance: 2.45 Ω (typical)
  • Low Input Capacitance: 78 pF (typical)
  • Fast Switching Speed: 16 ns (typical)
  • Low Gate Charge: 36 nC (typical)
  • High Peak Pulse Current Capability: 61 A
  • ESD Protection: >2000 V (Human Body Model)


  • Power management systems
  • Battery charging circuits
  • Portable electronic devices
  • Solar power systems
  • DC-DC converters
  • Automotive electronics
  • Industrial automation systems
  • LED lighting systems
  • Telecommunications equipment
  • Computer peripherals


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Life Cycle Code Active Reach Compliance Code
HTS Code 8542.39.00.01 Adjustable Threshold NO
Length 3.05 mm Number of Channels 1
Number of Functions 1 Number of Terminals 6
Operating Temperature-Max 150 °C Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY Package Code TSOP
Package Equivalence Code TSOP6,.11,37 Package Shape RECTANGULAR
Package Style SMALL OUTLINE, THIN PROFILE Seated Height-Max 1.1 mm
Supply Voltage-Max (Vsup) 12 V Supply Voltage-Min (Vsup) 1.5 V
Supply Voltage-Nom (Vsup) 1.8 V Surface Mount YES
Terminal Form GULL WING Terminal Pitch 0.95 mm
Terminal Position DUAL

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification Si3865DDV PDF Download

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