Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Diodes Incorporated DMJ70H1D4SV3

Name: DMJ70H1D4SV3
Brand: Diodes Incorporated
SKU: DMJ70H1D4SV3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: DMJ70H1D4SV3

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

Package:: TO-251-3 Stub Leads, IPAK

Datasheet:: DMJ70H1D4SV3.pdf

Description:: MOSFET N-CHANNEL 700V 5A TO251

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:9,613

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

DMJ70H1D4SV3 from Diodes Incorporated is an N-channel enhancement-mode MOSFET rated for 700 V drain-source voltage, 1.5 Ω R_DS(ON) at V_GS = 10 V, and 5.0 A continuous drain current at T_C = +25°C. It features low input capacitance (C_iss = 342 pF), fast switching (t_F = 5 ns), and a TO251 (HE1) surface-mount package. It is used in high-voltage AC-DC adapters and LCD TV power supplies.

For engineers reviewing the DMJ70H1D4SV3 datasheet, DMJ70H1D4SV3 pinout, DMJ70H1D4SV3 application, or DMJ70H1D4SV3 equivalent, key selection criteria include its 700 V BVDSS rating, 1.5 Ω on-resistance at 10 V gate drive, SOA-limited single-pulse capability up to 10 A at 10 µs, thermal resistance R_θJC = 1.8 °C/W, and body diode recovery time t_RR = 178 ns at 100 A/µs dI/dt.

Technical Context

This MOSFET employs planar silicon process technology optimized for high-voltage hard-switching applications. Its gate threshold voltage (V_GS(TH) = 2–4 V) enables reliable turn-on with standard 10 V gate drivers, while its low Crss (0.5 pF) minimizes Miller-induced shoot-through risk in bridge configurations.

The device's R_DS(ON) exhibits <1.5× variation from –55°C to +150°C (normalized to 1.0 at 25°C), and its body diode forward voltage (V_SD = 0.85–1.3 V at I_S = 1 A) supports moderate freewheeling in flyback and PFC stages without external Schottky supplementation.

Key Specifications

Parameter	Value and Actual Design Meaning
BVDSS	700 V - Withstands full mains-referenced DC bus in 230 VAC offline SMPS
RDS(ON) Max	1.5 Ω @ VGS = 10 V - Delivers ≤7.5 W conduction loss at 5 A ID
ID (TC = 25°C)	5.0 A - Supports ≥60 W output in TO251-packaged flyback converters
Ciss	342 pF - Enables efficient 100 kHz–300 kHz switching with ≤10 Ω gate resistor
tRR	178 ns - Limits reverse recovery losses in discontinuous conduction mode PFC
RθJC	1.8 °C/W - Requires minimal heatsinking for 31 W dissipation at TC = 100°C
Qg	7.5 nC - Compatible with low-power gate drivers (e.g., UCC27531, TC4420)

Pinout & Package

Package: TO251 (Type HE1), surface-mount, molded plastic case with UL 94V-0 flammability rating and matte tin–annealed copper leadframe.

Pin/Terminal	Circuit Role	Design Meaning
G	Gate	Controls channel conduction; requires 10 V drive for full RDS(ON) specification
D	Drain	High-side switch node; connects to primary winding or DC bus in flyback/PFC
S	Source	Reference node for gate drive; tied to power ground or current-sense resistor

Key Features

Feature	Design Value
High BVDSS with low RDS(ON)	700 V rating combined with 1.5 Ω on-resistance enables compact 65–100 W offline designs
Low Ciss and Crss	342 pF input capacitance and only 0.5 pF reverse transfer capacitance reduce gate drive loss and EMI
Fast body diode recovery	178 ns tRR at 100 A/µs dI/dt lowers switching loss in quasi-resonant and DCM topologies
Green RoHS-compliant construction	Halogen- and antimony-free molding compound (<900 ppm Br/Cl, <1000 ppm Sb) meets IEC 61249-2-21

Applications

AC-DC Adapters

LCD TV Power Supplies

Use Scenario: 230 VAC-input, 45 W universal-input adapter with flyback topology.

IC Role / Device Role / Timing Role: Primary-side high-voltage switch handling 400 V DC bus and delivering regulated 12 V/3.75 A output.

Use Value: 700 V BVDSS provides 2.5× safety margin over 400 V bus; 1.5 Ω RDS(ON) limits conduction loss to <4 W at full load.

Use Scenario: Main power supply for 32-inch LCD TV with dual-output (12 V/5 A, 5 V/3 A).

IC Role / Device Role / Timing Role: Primary-side switch in asymmetric half-bridge configuration driving transformer primary.

Use Value: Low Ciss (342 pF) enables clean 65 kHz switching with minimal gate driver stress; TO251 package allows direct PCB heatsinking.

LED Lighting Drivers

PDP TV Sustain Circuits

Use Scenario: Constant-current LED driver for commercial downlight (24 V/1.5 A output).

IC Role / Device Role / Timing Role: High-side switch in buck-derived topology regulating LED string current.

Use Value: Fast tF (5 ns) and tR (9 ns) support precise PWM dimming control; 1.8 °C/W RθJC permits operation at 75°C ambient without forced air.

Use Scenario: Sustain pulse generator in plasma display panel (PDP) TV requiring repetitive 200 V pulses at 200 kHz.

IC Role / Device Role / Timing Role: Switching element in resonant sustain circuit generating high-frequency AC sustain waveforms.

Use Value: 7.5 mJ EAS rating withstands repetitive avalanche during zero-crossing transitions; robust SOA supports 10 µs pulses at 6 A.

Availability

DMJ70H1D4SV3 is available at Aetrix Electronics and suitable for AC-DC adapters, LCD TV power supplies, and LED lighting drivers requiring stable component supply under industrial temperature range (–55°C to +150°C) and RoHS-compliant manufacturing.

Supply support for DMJ70H1D4SV3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

This device belongs to Diodes' high-voltage power MOSFET product line, engineered specifically for energy-efficient offline power conversion in consumer and industrial equipment where reliability at elevated junction temperatures is critical.

FAQ

Is DMJ70H1D4SV3 pin-compatible with other TO251 MOSFETs?

Yes - DMJ70H1D4SV3 uses the standard TO251 (HE1) three-pin outline with G-D-S terminal assignment. Its pinout matches industry-standard TO251 packages including STMicroelectronics STD7N80K5 and ON Semiconductor FQP7N80. Mechanical compatibility is confirmed per Diodes' package drawing DS39417 Rev. 4–3, page 5.

What is the maximum safe operating temperature for continuous use?

The device supports continuous operation up to +150°C junction temperature (T_J). At T_C = +100°C, its continuous drain current is derated to 3.2 A, and total power dissipation is limited to 31 W. Thermal design must maintain R_θJC ≤ 1.8 °C/W to avoid exceeding T_J(max) under full load.

Does this MOSFET require a gate resistor for stability?

Yes - a series gate resistor (typically 4.7–10 Ω) is required to dampen ringing caused by gate loop inductance and Crss interaction. The datasheet specifies switching times using R_G = 4.7 Ω; omitting it risks oscillation, excessive dv/dt stress, and premature failure due to parasitic turn-on.

Can DMJ70H1D4SV3 be used in synchronous rectification?

No - DMJ70H1D4SV3 is not optimized for synchronous rectification. Its body diode recovery time (178 ns) and Q_RR (1.3 µC) are higher than dedicated SR MOSFETs, and its gate threshold (2–4 V) lacks the tight distribution needed for reliable self-driven SR control. Use dedicated low-V_TH, low-Q_RR parts like DMN6070LSD instead.

DMJ70H1D4SV3 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-251-3 Stub Leads, IPAK

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 700 V

Current - Continuous Drain (Id) @ 25°C:: 5A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: 1.5Ohm @ 1A, 10V

Vgs(th) (Max) @ Id:: 4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 7.5 nC @ 10 V

Vgs (Max):: ±30V

Input Capacitance (Ciss) (Max) @ Vds:: 342 pF @ 50 V

FET Feature:: -

Power Dissipation (Max):: 78W (Tc)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-251 (Type TH3)

DMJ70H1D4SV3 FAQ

1.How can I place an order for DMJ70H1D4SV3 through Aetrix?

Please submit a Request for Quotation (RFQ) for DMJ70H1D4SV3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for DMJ70H1D4SV3 reliable?

The price and inventory of DMJ70H1D4SV3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMJ70H1D4SV3 is usually 5 days.

3.What payment methods are accepted for DMJ70H1D4SV3?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMJ70H1D4SV3 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DMJ70H1D4SV3?

DMJ70H1D4SV3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DMJ70H1D4SV3 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for DMJ70H1D4SV3?

For technical support, including DMJ70H1D4SV3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMJ70H1D4SV3 requirements.

6.How does Aetrix verify that DMJ70H1D4SV3 is sourced from the original manufacturer or authorized distributors?

All DMJ70H1D4SV3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DMJ70H1D4SV3 meets industry standards.

7.What is the process for return or replacement of DMJ70H1D4SV3?

All DMJ70H1D4SV3 units undergo pre-shipment inspection (PSI). If there is an issue with DMJ70H1D4SV3, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The DMJ70H1D4SV3 part is unused and in its original packaging.

Return procedure for DMJ70H1D4SV3:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

2026-08-11 LDO Regulator: Dropout Voltage, Noise, PSRR and Power Dissipation

LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…