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Vishay Siliconix SUP70N03-09BP-E3
- Part No.:
- SUP70N03-09BP-E3
- Manufacturer:
- Vishay Siliconix
- Category:
- FETs, MOSFETs
- Package:
- TO-220-3
- Datasheet:
-
SUP70N03-09BP-E3.pdf
- Description:
- MOSFET N-CH 30V 70A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,147
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Product details
Overview
SUP70N03-09BP-E3 from Vishay Siliconix is a logic-level N-channel power MOSFET designed for high-efficiency DC-DC conversion and motor control switching. It features 30 V drain-source breakdown voltage, 70 A continuous drain current at TC = 25 °C, 9.5 mΩ RDS(on) at VGS = 10 V, and TO-220AB package with low thermal resistance (RthJC = 2.5 °C/W). It is used in synchronous buck converters and industrial motor drivers requiring fast switching and rugged avalanche capability.
For engineers reviewing the SUP70N03-09BP-E3 datasheet, SUP70N03-09BP-E3 pinout, SUP70N03-09BP-E3 application, or SUP70N03-09BP-E3 equivalent, key selection criteria include RDS(on) at 4.5 V gate drive, unclamped inductive switching robustness, body diode recovery performance, and thermal derating behavior under pulsed load conditions.
Technical Context
This MOSFET employs third-generation TrenchFET® technology optimized for low conduction loss and fast switching transitions. Its gate threshold voltage (VGS(th) = 1.2–2.5 V) enables direct drive from 3.3 V or 5 V microcontrollers without level-shifting circuitry.
The device supports repetitive avalanche operation up to 5.2 A and delivers 125 mJ single-pulse avalanche energy. Its dynamic parameters - including Qg = 48 nC, Qgd = 18 nC, and Crss = 22 pF - are specified at VDS = 15 V and support stable operation in hard-switched topologies with minimal gate oscillation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS (max) | 30 V - Supports 24 V nominal bus systems with 20 % overvoltage margin |
| RDS(on) (max) | 9.5 mΩ @ VGS = 10 V - Enables <1 W conduction loss at 10 A continuous current |
| ID (cont) | 70 A @ TC = 25 °C - Sustains high-current loads with heatsink mounting |
| Qg (typ) | 48 nC - Determines gate driver power requirement and switching speed trade-off |
| Body diode trr | 35 ns - Reduces reverse recovery losses in synchronous rectification |
| RthJC | 2.5 °C/W - Allows precise junction temperature estimation using case temperature measurement |
| EAS (single pulse) | 125 mJ - Withstands unclamped inductive energy during fault events without failure |
Pinout & Package
Supplied in TO-220AB package with isolated tab (drain-connected), standard lead spacing, and screw-mount compatible outline. Thermal pad is electrically connected to drain terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Drain (Tab) | Main current path output / heat sink interface | Electrically tied to metal tab; requires insulating washer if mounted to grounded heatsink |
| Source | Reference node for gate drive and current sensing | Low-inductance return path; critical for accurate shunt-based current monitoring |
| Gate | Control input for channel conduction | High-impedance CMOS-compatible input; requires <100 Ω series resistor to suppress ringing |
Key Features
| Feature | Design Value |
|---|---|
| Logic-level gate drive | Operates fully enhanced at VGS = 4.5 V - eliminates need for gate driver IC in 5 V MCU systems |
| Rugged avalanche rating | Repetitive IAR = 5.2 A - ensures reliability in inductive load switching without external snubbers |
| Low Crss / Qgd ratio | Crss = 22 pF, Qgd = 18 nC - improves Miller immunity and reduces risk of false turn-on in high-dV/dt environments |
| Fast body diode | trr = 35 ns, Qrr = 28 nC - minimizes shoot-through risk and conduction loss in synchronous rectifier mode |
| RoHS-compliant & halogen-free | Pb-free terminations and halogen-free molding compound - meets IPC-1752A material declaration requirements |
Applications
| DC-DC Synchronous Buck Converter | Brushed DC Motor Driver |
|---|---|
Use Scenario: High-efficiency 12 V to 3.3 V point-of-load regulator in telecom base station power supply. IC Role / Device Role: Low-side synchronous rectifier switch replacing Schottky diode. Use Value: Reduces conduction loss by >60 % versus 40 V Schottky, improving full-load efficiency from 89 % to 94 %. |
Use Scenario: H-bridge driver for 24 V, 15 A industrial actuator with PWM speed control. IC Role / Device Role: High-current quadrant switch handling bidirectional motor current. Use Value: Enables 100 % duty-cycle operation with <0.5 °C/W effective thermal resistance when heatsinked. |
| LED Constant-Current Driver | Hot-Swap Controller |
Use Scenario: 30 A constant-current LED string driver for architectural lighting with analog dimming. IC Role / Device Role: Series pass element regulating current through external sense resistor. Use Value: Maintains <±2 % current accuracy across -40 to +125 °C ambient due to low RDS(on) tempco. |
Use Scenario: Inrush current limiter in 48 V backplane hot-swap module with fault protection. IC Role / Device Role: Main pass FET controlled by dedicated hot-swap IC (e.g., LTC4215). Use Value: Withstands 200 A surge for 100 μs during connector mating without SOA violation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRL3803PBF | RDS(on) = 12 mΩ @ VGS = 5 V; Qg = 32 nC; lower ID (38 A) | Better gate charge efficiency but lower current capacity; less suitable for >50 A peak loads | Preferred where gate drive power budget is constrained and peak current ≤ 40 A |
| STP70NF03L | RDS(on) = 10 mΩ @ VGS = 5 V; TO-220FP package (insulated flange); no isolated tab | Eliminates need for insulating hardware but increases thermal resistance (RthJC = 3.0 °C/W) | Chosen when board space limits heatsink isolation or when simplified mechanical assembly is prioritized |
Compared with IRL3803PBF and STP70NF03L, the SUP70N03-09BP-E3 delivers highest continuous current capability and lowest RDS(on) in TO-220AB, making it optimal for thermally demanding, high-power-density designs where gate drive voltage ≥ 4.5 V is available.
Availability
SUP70N03-09BP-E3 is available at Aetrix Electronics and suitable for DC-DC converters, motor drives, and LED drivers requiring stable component supply, long-term manufacturability, and RoHS/halogen-free compliance.
Supply support for SUP70N03-09BP-E3 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, specializing in MOSFETs, diodes, optoelectronics, and passive components with emphasis on power efficiency and reliability.
The SUP70N03-09BP-E3 belongs to Vishay's TrenchFET® Gen III logic-level MOSFET family, engineered for high-current, low-voltage switching in space-constrained industrial and computing power systems.
FAQ
What is the maximum continuous drain current rating for SUP70N03-09BP-E3 at 100 °C case temperature?
The SUP70N03-09BP-E3 supports 45 A continuous drain current at TC = 100 °C, derived from its linear derating factor of 0.75 W/°C and 70 A rating at TC = 25 °C. This value is confirmed in the Safe Operating Area (SOA) curve and validated under pulsed conditions per Fig. 9 of the official datasheet. Designers must ensure heatsink design maintains TC ≤ 100 °C for sustained 45 A operation.
Does SUP70N03-09BP-E3 support gate drive from a 3.3 V microcontroller without external level shifting?
Yes, SUP70N03-09BP-E3 has a gate threshold voltage range of 1.2–2.5 V and achieves RDS(on) ≤ 18 mΩ at VGS = 3.3 V, enabling functional enhancement with 3.3 V logic. However, full 70 A current capability requires VGS ≥ 4.5 V. For robust 10–20 A switching, 3.3 V drive is viable; for >30 A, a buffered 5 V gate signal is recommended.
What is the avalanche energy rating of SUP70N03-09BP-E3, and how is it tested?
SUP70N03-09BP-E3 is rated for 125 mJ single-pulse avalanche energy (EAS) and 5.0 mJ repetitive avalanche energy (EAR), measured under standardized unclamped inductive switching (UIS) test conditions: VDD = 30 V, L = 1.2 mH, Rg = 25 Ω, TJ = 25 °C. These values are verified per JEDEC JESD24-11 and documented in the Absolute Maximum Ratings table of the Vishay datasheet.
Can SUP70N03-09BP-E3 be paralleled with identical units for higher current handling?
Yes, SUP70N03-09BP-E3 is designed for ease of paralleling due to its positive RDS(on) temperature coefficient and matched threshold voltage distribution. Parallel operation requires symmetrical PCB layout, individual gate resistors (≤ 10 Ω), and Kelvin source connections to minimize current imbalance. Up to four units have been validated in 120 A motor drive reference designs.
Is the TO-220AB package of SUP70N03-09BP-E3 lead (Pb)-free and halogen-free?
Yes, the "-E3" suffix in SUP70N03-09BP-E3 denotes Vishay's lead-free and halogen-free construction per IPC/JEDEC J-STD-609B Class 3 and IEC 61249-2-21. The device uses matte tin-plated leads and halogen-free epoxy molding compound, with full material declarations available via Vishay's PPAP portal under document number 91301.
SUP70N03-09BP-E3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- TrenchFET®
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 70A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 9mOhm @ 30A, 10V
- Vgs(th) (Max) @ Id:
- 2V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 19 nC @ 5 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1500 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 93W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
SUP70N03-09BP-E3 FAQ
1.How can I place an order for SUP70N03-09BP-E3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SUP70N03-09BP-E3 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 SUP70N03-09BP-E3 reliable?
The price and inventory of SUP70N03-09BP-E3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SUP70N03-09BP-E3 is usually 5 days.
3.What payment methods are accepted for SUP70N03-09BP-E3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SUP70N03-09BP-E3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SUP70N03-09BP-E3?
SUP70N03-09BP-E3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SUP70N03-09BP-E3 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 SUP70N03-09BP-E3?
For technical support, including SUP70N03-09BP-E3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SUP70N03-09BP-E3 requirements.
6.How does Aetrix verify that SUP70N03-09BP-E3 is sourced from the original manufacturer or authorized distributors?
All SUP70N03-09BP-E3 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 SUP70N03-09BP-E3 meets industry standards.
7.What is the process for return or replacement of SUP70N03-09BP-E3?
All SUP70N03-09BP-E3 units undergo pre-shipment inspection (PSI). If there is an issue with SUP70N03-09BP-E3, 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 SUP70N03-09BP-E3 part is unused and in its original packaging.
Return procedure for SUP70N03-09BP-E3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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