Nexperia USA Inc. BUK9605-30A,118
- Part No.:
- BUK9605-30A,118
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FETs, MOSFETs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
BUK9605-30A,118.pdf
- Description:
- NEXPERIA BUK9605-30A - POWER FIE
- Quantity:
- Payment:

- Shipping:

Inventory:8,107
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Product details
Overview
BUK9605-30A,118 from Nexperia is a 30 V, 80 A, logic-level N-channel TrenchMOS power MOSFET in SOT78 (TO-220AB) package, with RDS(on) ≤ 5.5 mΩ at VGS = 10 V and typical gate charge of 95 nC, used for high-current DC load switching in industrial motor drives and power supplies.
For engineers reviewing the BUK9605-30A,118 datasheet, BUK9605-30A,118 pinout, BUK9605-30A,118 application, or BUK9605-30A,118 equivalent, key selection criteria include on-resistance at 4.5 V gate drive, avalanche ruggedness rating, SOA compliance at 25 °C and 100 °C, and TO-220AB thermal resistance to heatsink.
Technical Context
This MOSFET employs Nexperia's TrenchMOS technology to achieve low conduction loss and fast switching with controlled EMI. It features fully characterized safe operating area (SOA) up to 100 °C case temperature and specified unclamped inductive switching (UIS) capability of 300 mJ.
The device supports logic-level gate drive (VGS(th) = 1.0–2.1 V), enabling direct interface with 3.3 V and 5 V microcontrollers without level-shifting. Its integrated ESD protection exceeds 2 kV HBM per JESD22-A114.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 30 V - Maximum drain-source blocking voltage for 24 V nominal systems with transient margin |
| ID (continuous) | 80 A - Continuous drain current at Tc = 25 °C with adequate heatsinking |
| RDS(on) max | 5.5 mΩ @ VGS = 10 V - Enables <1 W conduction loss at 40 A DC load |
| Qg | 95 nC typical - Determines gate driver power requirement and switching transition time |
| VGS(th) | 1.0–2.1 V - Ensures full enhancement with standard logic-level MCU outputs |
| EAS | 300 mJ - Specifies single-pulse avalanche energy handling for inductive load turn-off |
Pinout & Package
SOT78 (TO-220AB) package with isolated mounting flange, 3-pin through-hole configuration, and thermal pad electrically connected to drain terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Drain (D) | Main current path output | Connected to heatsink; carries full load current and requires isolation if heatsink is grounded |
| Gate (G) | Control input | High-impedance node requiring low-inductance gate resistor to suppress ringing during switching |
| Source (S) | Reference return path | Common reference for gate drive and load current return; defines local ground potential |
Key Features
| Feature | Design Value |
|---|---|
| Logic-level gate drive | Operates fully enhanced with 3.3 V or 5 V MCU GPIO, eliminating need for gate driver ICs |
| Low RDS(on) | Reduces conduction losses in high-current 24 V DC systems such as solenoid drivers and BLDC phase switches |
| Avalanche-rated | Guaranteed UIS performance enables robust operation in inductive switching without external snubbers |
| Thermally efficient TO-220AB | θjc = 1.2 K/W allows >60 W power dissipation with moderate heatsink at Tc = 100 °C |
Applications
| Industrial Motor Control | DC Power Distribution |
|---|---|
Use Scenario: Half-bridge phase leg in 24 V brushless DC motor controllers. IC Role / Device Role / Timing Role: High-side or low-side power switch controlling motor winding current. Use Value: Low RDS(on) minimizes heat generation during PWM commutation at 20 kHz switching frequency. | Use Scenario: Electronic circuit breaker in programmable power supply output stage. IC Role / Device Role / Timing Role: Load switch enabling/disabling regulated 24 V output under microcontroller control. Use Value: Logic-level gate ensures reliable turn-on with 3.3 V FPGA I/O while sustaining 80 A fault current. |
| Automotive Body Control | Industrial Heating Systems |
Use Scenario: High-current headlight or fog lamp driver in 12 V/24 V commercial vehicle ECUs. IC Role / Device Role / Timing Role: Low-side switch interfacing microcontroller PWM to incandescent lamp load. Use Value: Avalanche rating absorbs inductive kickback from lamp filament cold-resistance surge during turn-off. | Use Scenario: Solid-state relay replacement for resistive heating element control in HVAC units. IC Role / Device Role / Timing Role: On/off power switch replacing electromechanical relay in 24 V heating zone circuits. Use Value: TO-220AB package enables direct bolt-down to metal chassis for passive cooling without fan dependency. |
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 |
|---|---|---|---|
| IRF1404PBF | RDS(on) = 4.7 mΩ @ 10 V but VDS = 40 V; higher Qg = 131 nC; TO-220 package | Better conduction loss at 40 V systems; slower switching due to higher gate charge | Select when 40 V rating is required and switching frequency < 50 kHz |
| STP80NF55-08 | RDS(on) = 8.5 mΩ @ 10 V; VDS = 55 V; Qg = 120 nC; TO-220FP package (isolated tab) | Higher voltage margin but higher on-resistance; non-isolated tab requires insulating washer | Prefer when 55 V transient tolerance is critical and thermal interface permits insulated mounting |
Compared with IRF1404PBF and STP80NF55-08, BUK9605-30A,118 offers optimal balance of low 30 V RDS(on), logic-level drive, and proven avalanche ruggedness for 24 V industrial switching-without over-specifying voltage or sacrificing gate drive simplicity.
Availability
BUK9605-30A,118 is available at Aetrix Electronics and suitable for industrial motor control, DC power distribution, and automotive body electronics requiring stable component supply and long-term manufacturability.
Supply support for BUK9605-30A,118 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
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in MOSFETs, ESD protection, and automotive-qualified components.
BUK9605-30A,118 belongs to Nexperia's TrenchMOS logic-level power MOSFET product line, engineered for robust DC load switching in space-constrained industrial and transportation systems where gate drive simplicity and thermal reliability are critical.
FAQ
Is BUK9605-30A,118 suitable for 24 V automotive applications?
Yes. It meets AEC-Q101 requirements for stress testing and operates reliably across –55 °C to +175 °C junction temperature. Its 30 V VDS rating accommodates 24 V system transients up to ISO 7637-2 Pulse 5a (±60 V), and its avalanche rating handles inductive load energy without external clamping.
What is the recommended gate resistor value for PWM switching at 20 kHz?
A 10 Ω to 22 Ω non-inductive gate resistor is recommended to limit peak gate current and damp ringing while maintaining <100 ns turn-on delay. This balances switching speed against EMI and shoot-through risk in half-bridge configurations with matched high-side devices.
Does the TO-220AB package require electrical isolation from the heatsink?
Yes. The drain-connected mounting flange must be electrically isolated from the heatsink using a mica or polymer insulator and thermal grease. Failure to isolate risks shorting the drain to system ground, especially in high-side switch configurations.
Can BUK9605-30A,118 replace BUK9612-30A in existing designs?
No. Although both are 30 V TrenchMOS devices, BUK9612-30A has RDS(on) = 12 mΩ and lower Qg = 65 nC. BUK9605-30A,118 delivers lower conduction loss but demands higher gate drive current and exhibits different SOA boundaries-layout and thermal validation are required before substitution.
BUK9605-30A,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- TrenchMOS™
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Bulk
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 75A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 5V, 10V
- Rds On (Max) @ Id, Vgs:
- 4.6mOhm @ 25A, 10V
- Vgs(th) (Max) @ Id:
- 2V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- -
- Vgs (Max):
- ±10V
- Input Capacitance (Ciss) (Max) @ Vds:
- 8600 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 230W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
BUK9605-30A,118 FAQ
1.How can I place an order for BUK9605-30A,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for BUK9605-30A,118 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 BUK9605-30A,118 reliable?
The price and inventory of BUK9605-30A,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUK9605-30A,118 is usually 5 days.
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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 BUK9605-30A,118?
For technical support, including BUK9605-30A,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUK9605-30A,118 requirements.
6.How does Aetrix verify that BUK9605-30A,118 is sourced from the original manufacturer or authorized distributors?
All BUK9605-30A,118 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 BUK9605-30A,118 meets industry standards.
7.What is the process for return or replacement of BUK9605-30A,118?
All BUK9605-30A,118 units undergo pre-shipment inspection (PSI). If there is an issue with BUK9605-30A,118, 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 BUK9605-30A,118 part is unused and in its original packaging.
Return procedure for BUK9605-30A,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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