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Nexperia USA Inc. BUK9Y25-60E,115
- Part No.:
- BUK9Y25-60E,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FETs, MOSFETs
- Package:
- SC-100, SOT-669
- Datasheet:
-
BUK9Y25-60E,115.pdf
- Description:
- MOSFET N-CH 60V 34A LFPAK56
- Quantity:
- Payment:
- Shipping:
Inventory:48,908
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Product details
Overview
BUK9Y25-60E from Nexperia is an AEC-Q101-qualified N-channel logic-level MOSFET in LFPAK56 (SOT669) package, rated for 60 V VDS, 25 mΩ RDS(on) at VGS = 5 V and Tj = 25 °C, with 175 °C junction temperature rating and repetitive avalanche capability - deployed in automotive transmission control and high-reliability 12 V power switching.
For engineers reviewing the BUK9Y25-60E datasheet, BUK9Y25-60E pinout, BUK9Y25-60E application, or BUK9Y25-60E equivalent, this device is selected for thermally demanding automotive loads requiring true logic-level gate drive (VGS(th) > 0.5 V at 175 °C), low conduction loss, and robust avalanche energy handling (23.6 mJ).
Technical Context
This MOSFET employs TrenchMOS technology to achieve low RDS(on) while maintaining stable threshold voltage across temperature. Its gate threshold remains functional up to 175 °C, enabling direct 5 V microcontroller drive without level-shifting in engine bay environments.
The LFPAK56 package integrates a thermally optimized mounting base connected to drain, delivering Rth(j-mb) = 2.31 K/W and supporting 65 W total power dissipation at Tmb = 25 °C - critical for sustained motor and solenoid control duty cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 60 V - Maximum drain-source blocking voltage compatible with 12 V automotive systems under load dump transients. |
| RDS(on) | 20.8–25 mΩ @ VGS = 5 V, ID = 10 A, Tj = 25 °C - Enables <1.25 W conduction loss at 5 A, reducing thermal stress in compact PCB layouts. |
| ID | 34 A continuous @ Tmb = 25 °C - Supports high-current DC loads such as fuel pumps and HVAC blowers without external heatsinking. |
| EAS | 23.6 mJ non-repetitive avalanche energy - Absorbs inductive kickback from solenoids and motors without failure during switching transitions. |
| VGS(th) | ≥0.5 V @ Tj = 175 °C - Ensures reliable turn-on with standard 5 V logic even under extreme under-hood temperatures. |
| QGD | 4.2 nC - Low gate-drain charge minimizes Miller-induced switching delay and improves EMI behavior in PWM-driven applications. |
| Rth(j-mb) | 2.31 K/W - Enables efficient heat transfer to PCB copper or heatsink, supporting >25 W dissipation with minimal ΔT at mounting base. |
Pinout & Package
LFPAK56 (SOT669) is a surface-mount plastic package with exposed mounting base for enhanced thermal performance; the base is electrically connected to the drain terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | Source (S) | Three parallel source terminals reduce bond wire inductance and improve current sharing in high-di/dt switching. |
| 4 | Gate (G) | Single gate input with low QG(tot) = 12 nC enables fast, low-loss switching using standard 5 V GPIO drivers. |
| Mounting Base (mb) | Drain (D) | Exposed copper pad tied to drain - serves as primary thermal path and high-current return; requires soldered thermal pad on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and humidity testing per JEDEC standards. |
| Repetitive avalanche rated | Rated for repeated inductive energy clamping without degradation - supports robust operation in unclamped motor drive circuits. |
| True logic-level gate | VGS(th) ≥ 0.5 V at 175 °C ensures guaranteed turn-on with 5 V MCU outputs even at maximum junction temperature. |
| 175 °C junction rating | Enables operation in engine compartment locations where ambient exceeds 125 °C, extending system lifetime under thermal stress. |
| Low RDS(on) × QG figure of merit | 25 mΩ × 12 nC = 300 mΩ·nC - balances conduction and switching losses for high-efficiency 10–100 kHz PWM control. |
Applications
| Transmission Control Valve Driver | Engine Cooling Fan Controller |
|---|---|
|
Use Scenario: Driving 12 V proportional solenoid valves in automatic transmission hydraulic control units. IC Role / Device Role / Timing Role: High-side or low-side power switch managing precise current pulses to modulate valve position. Use Value: 23.6 mJ avalanche rating absorbs back-EMF during rapid de-energization; 25 mΩ RDS(on) limits self-heating during 2 A steady-state coil current. |
Use Scenario: PWM-controlled 12 V brushless cooling fan in engine bay with ambient up to 105 °C. IC Role / Device Role / Timing Role: Low-side switching element in half-bridge configuration with external freewheeling diode. Use Value: 175 °C Tj rating and 2.31 K/W Rth(j-mb) allow continuous 30 A peak current without derating in confined thermal zones. |
| Start-Stop System Starter Relay | LED Headlamp Beam Selector |
|
Use Scenario: Replacing electromechanical relays in start-stop battery management for cranking assist. IC Role / Device Role / Timing Role: High-current, low-duty-cycle power switch handling 100+ A inrush during engine restart. Use Value: 135 A pulsed drain current (tp ≤ 10 µs) and 60 V VDS withstand load dump spikes up to 40 V without failure. |
Use Scenario: Selecting between high/low beam LED arrays in adaptive front-lighting systems (AFS). IC Role / Device Role / Timing Role: Low-side switch controlling 12 V, 5 A LED strings with 10 kHz PWM dimming. Use Value: 4.2 nC QGD and 12.1 ns rise time enable clean, low-EMI switching transitions essential for EMI-sensitive lighting modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel automotive MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STL220N6F7 | 60 V, 2.2 mΩ RDS(on) @ 10 V, 25 °C; requires 10 V gate drive; not AEC-Q101 qualified. | Better conduction loss but unsuitable for 5 V logic drive or automotive qualification-critical designs. | Select only for non-automotive, high-efficiency 10 V gate systems where qualification is not required. |
| IRF3205PBF | 55 V, 8 mΩ RDS(on) @ 10 V, 25 °C; TO-220 package; no avalanche rating; 175 °C Tj not validated. | Larger footprint, higher thermal resistance (Rth(j-c) ≈ 1.5 K/W), and no automotive qualification or avalanche spec. | Use only in legacy industrial designs with ample heatsinking and no AEC compliance requirement. |
Compared with STL220N6F7 and IRF3205PBF, BUK9Y25-60E uniquely combines AEC-Q101 qualification, true 5 V logic-level operation, 23.6 mJ avalanche rating, and LFPAK56 thermal performance - making it the only drop-in solution for new automotive power switching designs requiring both reliability and compact layout.
Availability
BUK9Y25-60E is available at Aetrix Electronics and suitable for automotive transmission control, engine cooling fan management, and LED headlamp beam selection requiring stable component supply across multi-year vehicle production cycles.
Supply support for BUK9Y25-60E 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 specializing in high-performance, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.
BUK9Y25-60E belongs to Nexperia's Automotive Logic-Level MOSFET product line, engineered specifically for thermally constrained 12 V automotive power switching where AEC-Q101 compliance, avalanche ruggedness, and 5 V drive compatibility are mandatory.
FAQ
Is BUK9Y25-60E suitable for high-side switching configurations?
Yes - its LFPAK56 package features an isolated gate and drain-connected mounting base, enabling high-side use with appropriate gate driver biasing. The 60 V VDS rating and 23.6 mJ avalanche energy support safe operation during load dump and inductive flyback in high-side motor control.
What is the maximum continuous drain current at 100 °C mounting base temperature?
Per Figure 1 in the datasheet, the continuous drain current is 24 A at Tmb = 100 °C and VGS = 5 V. This reflects thermal derating due to reduced heat transfer efficiency at elevated board temperatures, not device degradation.
Does BUK9Y25-60E include integrated ESD protection?
No - it does not integrate on-chip ESD protection diodes. External TVS or RC snubbers are recommended for gate protection in automotive environments with high transient exposure, especially when routed near connectors or harnesses.
Can BUK9Y25-60E replace older SO-8 MOSFETs in existing PCB layouts?
No - LFPAK56 (SOT669) has different pad dimensions and thermal pad geometry than standard SO-8. It requires dedicated footprint design with 4.2 mm × 3.8 mm body and 5.0 mm × 4.8 mm thermal pad; mechanical adaptation is not feasible without PCB revision.
BUK9Y25-60E,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- TrenchMOS™
- Package/Case:
- SC-100, SOT-669
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 60 V
- Current - Continuous Drain (Id) @ 25°C:
- 34A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 5V
- Rds On (Max) @ Id, Vgs:
- 21.5mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id:
- 2.1V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 12 nC @ 5 V
- Vgs (Max):
- ±10V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1500 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 65W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- LFPAK56, Power-SO8
BUK9Y25-60E,115 FAQ
1.How can I place an order for BUK9Y25-60E,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BUK9Y25-60E,115 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 BUK9Y25-60E,115 reliable?
The price and inventory of BUK9Y25-60E,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUK9Y25-60E,115 is usually 5 days.
3.What payment methods are accepted for BUK9Y25-60E,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUK9Y25-60E,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUK9Y25-60E,115?
BUK9Y25-60E,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUK9Y25-60E,115 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 BUK9Y25-60E,115?
For technical support, including BUK9Y25-60E,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUK9Y25-60E,115 requirements.
6.How does Aetrix verify that BUK9Y25-60E,115 is sourced from the original manufacturer or authorized distributors?
All BUK9Y25-60E,115 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 BUK9Y25-60E,115 meets industry standards.
7.What is the process for return or replacement of BUK9Y25-60E,115?
All BUK9Y25-60E,115 units undergo pre-shipment inspection (PSI). If there is an issue with BUK9Y25-60E,115, 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 BUK9Y25-60E,115 part is unused and in its original packaging.
Return procedure for BUK9Y25-60E,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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