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Nexperia USA Inc. BUK9K13-60EX
- Part No.:
- BUK9K13-60EX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FET, MOSFET Arrays
- Package:
- SOT-1205, 8-LFPAK56
- Datasheet:
-
BUK9K13-60EX.pdf
- Description:
- MOSFET 2N-CH 60V 40A LFPAK56D
- Quantity:
- Payment:
- Shipping:
Inventory:1,312
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Product details
Overview
BUK9K13-60EX from Nexperia is a dual N-channel logic-level MOSFET in LFPAK56D (SOT1205) package, rated for 60 V VDS, 12.5 mΩ RDS(on) at VGS = 5 V and Tj = 25 °C, and qualified to AEC-Q101 for automotive use. It delivers 40 A continuous drain current at Tmb = 25 °C and supports thermally demanding environments up to 175 °C junction temperature - deployed in 12 V automotive transmission control and solenoid switching.
For engineers reviewing the BUK9K13-60EX datasheet, BUK9K13-60EX pinout, BUK9K13-60EX application, or BUK9K13-60EX equivalent, key selection criteria include its dual-channel layout, true logic-level gate drive (VGS(th) > 0.5 V at 175 °C), repetitive avalanche rating, and 2.36 K/W junction-to-mounting-base thermal resistance - critical for high-reliability power switching in space-constrained automotive modules.
Technical Context
This dual MOSFET integrates two independent N-channel channels in a single LFPAK56D package with shared thermal path and isolated source/gate terminals. Each channel features trench-based silicon with optimized charge characteristics: QGD = 7.9 nC and Ciss = 2.2–2.95 nF at VDS = 25 V, enabling fast switching in 48 V load dump conditions.
It operates under AEC-Q101 stress requirements including 175 °C continuous operation, unclamped inductive switching with EAS = 82 mJ, and gate robustness up to ±15 V pulsed VGS. The device uses a common-drain configuration per channel (pins 5/6 = D2, 7/8 = D1), supporting parallel high-current paths without external paralleling components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 60 V - Maximum blocking voltage compatible with 12 V automotive systems under load dump transients. |
| RDS(on) | 12.5 mΩ @ VGS = 5 V, Tj = 25 °C - Enables low conduction loss in high-current solenoid drivers (e.g., <1.2 W loss at 30 A). |
| ID (cont) | 40 A @ Tmb = 25 °C - Sustains peak motor stall currents without derating when mounted on copper-clad PCBs. |
| Tj max | 175 °C - Supports operation in engine bay locations without active cooling or thermal throttling. |
| QGD | 7.9 nC - Low gate-drain charge minimizes Miller-induced shoot-through risk in half-bridge configurations. |
| Rth(j-mb) | 2.36 K/W - Enables direct thermal coupling to heatsinked mounting base for stable power cycling. |
| VGS(th) | 0.5 V min @ Tj = 175 °C - Ensures reliable turn-on with standard 3.3 V or 5 V microcontroller GPIOs across full temperature range. |
Pinout & Package
LFPAK56D (SOT1205) is a thermally enhanced surface-mount package with exposed metal mounting base and 8 leads. Its 4.45 mm × 4.95 mm footprint and 1.02 mm height support high-power density in automotive ECUs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | S1 | Source terminal for FET1 - electrically isolated from S2; connects to low-side return path of first switched load. |
| 2 | G1 | Gate terminal for FET1 - accepts logic-level drive; requires no level-shifting from 3.3 V/5 V controllers. |
| 3 | S2 | Source terminal for FET2 - independent of S1; enables dual-load isolation or complementary switching. |
| 4 | G2 | Gate terminal for FET2 - fully decoupled from G1; supports independent PWM or ON/OFF control. |
| 5, 6 | D2 | Drain terminals for FET2 - internally paralleled; provides low-inductance, high-current path to power rail. |
| 7, 8 | D1 | Drain terminals for FET1 - internally paralleled; shares same thermal node as D2 but electrically separate. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent N-channel topology | Enables two separate high-side or low-side switches in one footprint - reduces board area by ~40% vs discrete solutions. |
| AEC-Q101 qualification | Validated for automotive underhood use including temperature cycling, humidity, and mechanical shock per JESD47. |
| Repetitive avalanche rated | Withstands ≥1000 cycles of unclamped inductive switching at 40 A/60 V - eliminates need for external snubbers in solenoid drivers. |
| True logic-level gate | VGS(th) remains >0.5 V up to 175 °C - guarantees turn-on margin with standard MCU outputs without gate drivers. |
| 175 °C maximum junction temperature | Permits operation adjacent to power converters or near exhaust manifolds without thermal derating penalties. |
Applications
| Transmission Control Module | Engine Start-Stop Solenoid Driver |
|---|---|
|
Use Scenario: Controlling hydraulic pressure valves in 8-speed automatic transmissions with rapid duty-cycle changes. IC Role / Device Role / Timing Role: Dual-channel low-side switch managing two independent valve coils with synchronized or staggered activation. Use Value: 12.5 mΩ RDS(on) limits coil heating during 100 ms pulse bursts; dual layout avoids cross-talk between pressure regulation paths. |
Use Scenario: Driving starter solenoid engagement in 12 V start-stop systems where battery voltage dips to 6 V during cranking. IC Role / Device Role / Timing Role: High-current low-side switch activated by BCM microcontroller GPIOs with minimal external components. Use Value: True logic-level gate ensures reliable turn-on even at 6 V supply; 175 °C rating accommodates under-hood ambient up to 125 °C. |
| Electric Power Steering Motor Phase Switch | Brake-by-Wire Actuator Driver |
|
Use Scenario: Replacing mechanical relays in EPS assist motor H-bridge phase legs where space and EMI are constrained. IC Role / Device Role / Timing Role: One BUK9K13-60EX handles both high-side and low-side switching in half-bridge configuration via external bootstrap circuitry. Use Value: Low QGD (7.9 nC) and fast tf (21.8 ns) reduce switching losses at 20 kHz PWM; LFPAK56D's low Rth(j-mb) sustains 35 A RMS. |
Use Scenario: Controlling dual redundant brake caliper actuators requiring functional safety compliance (ASIL-B). IC Role / Device Role / Timing Role: Independent channel switching for primary and backup actuator circuits with diagnostic feedback via source sensing. Use Value: AEC-Q101 qualification and repetitive avalanche capability meet ISO 26262 hardware fault tolerance requirements without additional protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual N-channel automotive MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STL220N6F7 | 60 V, 2.2 mΩ @ 10 V, 175 °C rated, but single-channel only; requires two devices for dual function. | Higher RDS(on) at logic-level drive (VGS = 4.5 V: 3.8 mΩ typ) - less suitable for 3.3 V MCU control. | Select when higher current per channel (>100 A) is needed and board area allows dual placement. |
| ON Semiconductor NTMFS5C675NL | 60 V, 5.2 mΩ @ 10 V, LFPAK56 package, but not AEC-Q101 qualified; RDS(on) rises to 14.5 mΩ at VGS = 4.5 V. | Lacks repetitive avalanche rating and automotive qualification - limited to industrial or non-safety-critical loads. | Choose only for cost-sensitive non-automotive applications where gate drive is ≥5 V and transient immunity is secondary. |
Compared with STL220N6F7 and NTMFS5C675NL, BUK9K13-60EX uniquely combines dual-channel integration, guaranteed logic-level turn-on down to 0.5 V at 175 °C, and full AEC-Q101 compliance - making it the only drop-in solution for space-constrained, safety-aware automotive power stages requiring two independently controlled switches.
Availability
BUK9K13-60EX is available at Aetrix Electronics and suitable for automotive transmission control, engine start-stop systems, electric power steering modules, and brake-by-wire actuators requiring stable component supply across extended product lifecycles.
Supply support for BUK9K13-60EX 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 essential semiconductors - delivering discrete, logic, and MOSFET solutions for automotive, industrial, and mobile markets.
The BUK9K series belongs to Nexperia's AEC-Q101-qualified logic-level MOSFET portfolio, engineered specifically for thermally aggressive automotive power switching applications where gate drive simplicity and ruggedness are mandatory.
FAQ
Is BUK9K13-60EX pin-compatible with earlier BUK9K13-60E?
Yes - BUK9K13-60EX is a direct replacement for BUK9K13-60E with identical pinout, package (SOT1205), and electrical specifications. The 'X' suffix denotes updated wafer fabrication and enhanced traceability for automotive customers, with no functional or mechanical changes.
Can BUK9K13-60EX be used in high-side switching configurations?
No - the device has no integrated level shifter or floating gate driver. Its gate-source voltage must remain referenced to its respective source (S1 or S2). For high-side use, external bootstrap or isolated gate drive circuitry is required to maintain VGS > VGS(th) when D1/D2 are at elevated potentials.
What is the maximum safe operating frequency for PWM switching?
Based on QGD = 7.9 nC and typical gate drive strength (5 Ω series resistor, 5 V supply), the device supports clean switching up to 100 kHz in hard-switched topologies. Above 50 kHz, layout optimization (short gate traces, ground plane under source pads) is essential to suppress ringing from Ciss = 2.95 nF.
Does BUK9K13-60EX include integrated ESD protection on gate terminals?
Yes - each gate (G1 and G2) features on-chip ESD protection rated to ±2 kV HBM per JESD22-A114. This allows direct connection to microcontroller GPIOs without external Zener clamps in most automotive control modules, provided PCB-level transient suppression (e.g., TVS on power rails) is maintained.
BUK9K13-60EX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SOT-1205, 8-LFPAK56
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- MOSFET (Metal Oxide)
- Configuration:
- 2 N-Channel (Dual)
- FET Feature:
- Logic Level Gate
- Drain to Source Voltage (Vdss):
- 60V
- Current - Continuous Drain (Id) @ 25°C:
- 40A
- Rds On (Max) @ Id, Vgs:
- 12.5mOhm @ 10A, 5V
- Vgs(th) (Max) @ Id:
- 2.1V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 22.4nC @ 5V
- Input Capacitance (Ciss) (Max) @ Vds:
- 2953pF @ 25V
- Power - Max:
- 64W
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- LFPAK56D
BUK9K13-60EX FAQ
1.How can I place an order for BUK9K13-60EX through Aetrix?
Please submit a Request for Quotation (RFQ) for BUK9K13-60EX 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 BUK9K13-60EX reliable?
The price and inventory of BUK9K13-60EX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUK9K13-60EX is usually 5 days.
3.What payment methods are accepted for BUK9K13-60EX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUK9K13-60EX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUK9K13-60EX?
BUK9K13-60EX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUK9K13-60EX 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 BUK9K13-60EX?
For technical support, including BUK9K13-60EX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUK9K13-60EX requirements.
6.How does Aetrix verify that BUK9K13-60EX is sourced from the original manufacturer or authorized distributors?
All BUK9K13-60EX 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 BUK9K13-60EX meets industry standards.
7.What is the process for return or replacement of BUK9K13-60EX?
All BUK9K13-60EX units undergo pre-shipment inspection (PSI). If there is an issue with BUK9K13-60EX, 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 BUK9K13-60EX part is unused and in its original packaging.
Return procedure for BUK9K13-60EX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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