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Vishay Siliconix IRF720STRRPBF
- Part No.:
- IRF720STRRPBF
- Manufacturer:
- Vishay Siliconix
- Category:
- FETs, MOSFETs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
IRF720STRRPBF.pdf
- Description:
- MOSFET N-CH 400V 3.3A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:9,253
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Product details
Overview
IRF720STRRPBF from Vishay Siliconix is a 400 V, 3.3 A N-channel surface-mount power MOSFET in D2PAK (TO-263) package, featuring 1.8 Ω RDS(on) at VGS = 10 V, 20 nC total gate charge, and repetitive avalanche rating-designed for high-voltage DC-DC converters, motor control snubbers, and AC solid-state relay drivers.
For engineers reviewing the IRF720STRRPBF datasheet, IRF720STRRPBF pinout, IRF720STRRPBF application, or IRF720STRRPBF equivalent, this part supports stable high-voltage switching with fast turn-on/turn-off times (10 ns/30 ns), robust dv/dt immunity (4.0 V/ns), and PCB-mount thermal dissipation up to 3.1 W-critical for industrial power supply and lighting ballast designs.
Technical Context
This third-generation power MOSFET uses planar silicon technology optimized for ruggedness and cost-effective high-voltage operation. Its design integrates a low-inductance D2PAK package with internal source/drain inductances of 7.5 nH and 4.5 nH, enabling reliable unclamped inductive switching with 190 mJ single-pulse avalanche energy.
The device operates across -55 °C to +150 °C junction temperature range and features a gate threshold voltage of 2.0–4.0 V, ensuring compatibility with standard 10 V gate drivers while maintaining tight leakage control (IDSS ≤ 25 μA at 400 V). Its body diode exhibits 270–600 ns reverse recovery time and 1.4–3.0 μC Qrr, supporting moderate-frequency freewheeling in flyback and buck topologies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 400 V - Withstands DC bus voltages up to 320 V in continuous operation with margin for transients |
| RDS(on) | 1.8 Ω @ VGS = 10 V - Delivers ≤1.2 W conduction loss at 3.3 A, suitable for <10 W power stages |
| Qg | 20 nC - Enables efficient 100–200 kHz switching with standard gate drivers (e.g., TC442x) |
| EAS | 190 mJ - Supports robust unclamped inductive turn-off without external snubber in <50 W loads |
| TJ Range | -55 °C to +150 °C - Certified for industrial ambient environments with derated current above 100 °C |
| dv/dt Rating | 4.0 V/ns - Resists false triggering during high-slew-rate voltage transients in motor drive circuits |
| PD (PCB mount) | 3.1 W - Achievable on 1" FR-4 PCB without heatsink, simplifying thermal layout |
Pinout & Package
D2PAK (TO-263) surface-mount package with exposed drain tab for thermal conduction and mechanical anchoring; 3-pin configuration with G–D–S terminal order (viewed from top, marking side up).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Gate (G) | Control input | Receives 10 V logic-level signal; 100 nA max leakage ensures low standby power |
| Drain (D) | High-side power output | Exposed metal tab-must be electrically connected to PCB ground plane or heatsink for thermal and EMI control |
| Source (S) | Return path / reference node | Provides common return for load current and gate driver; internal 7.5 nH inductance affects high-di/dt ringing |
Key Features
| Feature | Design Value |
|---|---|
| Repetitive avalanche rated | Enables reliable operation under inductive load switching without external clamping components |
| Dynamic dv/dt immunity | 4.0 V/ns rating prevents spurious turn-on during fast voltage transients in motor drives |
| Fast switching | 10 ns turn-on delay + 14 ns rise time allows efficient 200 kHz PWM in SMPS applications |
| Low RDS(on) × Qg figure-of-merit | 36 Ω·nC - Balances conduction and switching losses for medium-power industrial converters |
| RoHS-compliant, halogen-free | Meets IPC-1752A material declaration requirements for global industrial compliance |
Applications
| AC Solid-State Relay Driver | DC-DC Converter Switch |
|---|---|
Use Scenario: Driving back-to-back triac gates in 240 VAC SSR modules for HVAC zone control. IC Role / Device Role / Timing Role: High-voltage level-shifting switch isolating microcontroller GPIO from mains-referenced gate drive circuitry. Use Value: 400 V VDS rating provides 1.6× safety margin over 240 VAC peak (340 V), eliminating need for series stacking. |
Use Scenario: Primary-side switch in 12 V input, 48 V output isolated flyback converter for PoE injectors. IC Role / Device Role / Timing Role: Main power switch operating at 150 kHz with 3.3 A peak current handling. Use Value: 190 mJ EAS absorbs leakage inductance energy without snubber, reducing BOM count by one capacitor/resistor pair. |
| Motor Control Snubber | LED Driver High-Side Switch |
Use Scenario: Freewheeling clamp in brushed DC motor H-bridge for automotive seat adjusters. IC Role / Device Role / Timing Role: Avalanche-rated switch absorbing inductive kickback during PWM commutation. Use Value: Repetitive avalanche capability (5.0 mJ EAR) sustains >106 cycles at 3.3 A without degradation. |
Use Scenario: High-side current regulator in constant-current LED streetlight drivers (100–200 W). IC Role / Device Role / Timing Role: Linear-mode or PWM-controlled pass element managing 350 mA–1.5 A string current. Use Value: 1.8 Ω RDS(on) limits dropout to <2.7 V at 1.5 A, preserving headroom for 36 V nominal bus. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel high-voltage power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STP4NK40ZFP | 400 V, 3.5 A, RDS(on) = 2.2 Ω, Qg = 12 nC, TO-220FP package | Higher RDS(on) increases conduction loss; lower Qg improves switching efficiency but lacks D2PAK thermal performance | Prefer when board space allows through-hole mounting and gate drive strength is limited |
| IXTP4N40P | 400 V, 4.0 A, RDS(on) = 1.6 Ω, Qg = 24 nC, TO-220 package | Lower RDS(on) reduces conduction loss; higher Qg demands stronger gate driver; no surface-mount option | Choose when maximum current headroom is required and thermal management includes heatsink |
Compared with STP4NK40ZFP and IXTP4N40P, IRF720STRRPBF offers superior PCB-mount thermal performance (3.1 W vs. ~2.0 W typical for TO-220FP), consistent D2PAK footprint for automated assembly, and balanced RDS(on)/Qg for mid-frequency industrial switching-making it optimal for space-constrained, high-reliability power stages.
Availability
IRF720STRRPBF is available at Aetrix Electronics and suitable for industrial motor control, AC solid-state relays, and DC-DC converter designs requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for IRF720STRRPBF 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
Vishay Siliconix is a global leader in discrete semiconductors and passive components, specializing in high-reliability power management solutions for industrial, automotive, and computing markets.
The IRF720STRRPBF belongs to Vishay's third-generation high-voltage power MOSFET family, engineered specifically for ruggedized, cost-sensitive industrial power conversion where avalanche tolerance and surface-mount thermal performance are critical.
FAQ
What is the maximum continuous drain current for IRF720STRRPBF at 100 °C case temperature?
The IRF720STRRPBF supports 2.1 A continuous drain current at TC = 100 °C, per its absolute maximum ratings table. This derating reflects thermal limitations of the D2PAK package on standard FR-4 PCBs; actual current capability depends on copper area, airflow, and ambient temperature. The device maintains safe operation up to 150 °C junction temperature.
Does IRF720STRRPBF have a built-in body diode, and what are its key parameters?
Yes, IRF720STRRPBF integrates a monolithic body diode with 3.3 A continuous forward current rating (IS) and 13 A pulsed capability (ISM). At TJ = 25 °C and IS = 3.3 A, VSD is ≤1.6 V; reverse recovery time (trr) ranges from 270 ns to 600 ns depending on di/dt and temperature. Qrr is 1.4–3.0 μC, critical for snubberless flyback design.
Can IRF720STRRPBF be used in linear mode (ohmic region) applications?
IRF720STRRPBF is rated for linear-mode operation within its Safe Operating Area (SOA), as shown in Figure 8 of the datasheet. At DC operation with TC = 25 °C, it supports up to 3.3 A at 20 V VDS; derating applies with increasing voltage or temperature. Thermal design must account for power dissipation across both RDS(on) and dynamic losses-PCB copper area and thermal vias are essential.
What is the gate threshold voltage range for IRF720STRRPBF, and how does it affect drive requirements?
The gate threshold voltage (VGS(th)) for IRF720STRRPBF is specified from 2.0 V to 4.0 V at ID = 250 μA. This range ensures reliable turn-on with standard 5 V or 10 V logic-level drivers. For full enhancement and minimal RDS(on), VGS ≥ 10 V is required; operation below 4.5 V results in significantly higher on-resistance and increased conduction loss.
Is IRF720STRRPBF RoHS-compliant and halogen-free?
Yes, IRF720STRRPBF is lead (Pb)-free and halogen-free, meeting RoHS Directive 2011/65/EU and IEC 61249-2-21 standards. It carries the "-GE3" suffix in Vishay's ordering nomenclature (e.g., SiHF720STRR-GE3); the "PbF" suffix in IRF720STRRPBF denotes Pb-free termination with compatible soldering profiles (peak 300 °C for 10 s).
IRF720STRRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 400 V
- Current - Continuous Drain (Id) @ 25°C:
- 3.3A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 1.8Ohm @ 2A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 20 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 410 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 3.1W (Ta), 50W (Tc)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-263 (D2PAK)
IRF720STRRPBF FAQ
1.How can I place an order for IRF720STRRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IRF720STRRPBF 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 IRF720STRRPBF reliable?
The price and inventory of IRF720STRRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRF720STRRPBF is usually 5 days.
3.What payment methods are accepted for IRF720STRRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRF720STRRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRF720STRRPBF?
IRF720STRRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRF720STRRPBF 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 IRF720STRRPBF?
For technical support, including IRF720STRRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRF720STRRPBF requirements.
6.How does Aetrix verify that IRF720STRRPBF is sourced from the original manufacturer or authorized distributors?
All IRF720STRRPBF 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 IRF720STRRPBF meets industry standards.
7.What is the process for return or replacement of IRF720STRRPBF?
All IRF720STRRPBF units undergo pre-shipment inspection (PSI). If there is an issue with IRF720STRRPBF, 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 IRF720STRRPBF part is unused and in its original packaging.
Return procedure for IRF720STRRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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