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Nexperia USA Inc. BUK9D120-60PX
- Part No.:
- BUK9D120-60PX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FETs, MOSFETs
- Package:
- 6-UDFN Exposed Pad
- Datasheet:
-
BUK9D120-60PX.pdf
- Description:
- BUK9D120-60P/SOT1220/SOT1220
- Quantity:
- Payment:
- Shipping:
Inventory:9,696
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Product details
Overview
BUK9D120-60PX from Nexperia is a P-channel enhancement-mode Trench MOSFET in a DFN2020MD-6 (SOT1220) leadless ultra-thin SMD package, rated for -60 V VDS, 95–120 mΩ RDS(on) at VGS = -10 V and ID = -3 A, and qualified to AEC-Q101 for automotive use. It serves as a high-side load switch or relay driver in space-constrained, thermally demanding environments such as body control modules and power distribution units.
For engineers reviewing the BUK9D120-60PX datasheet, BUK9D120-60PX pinout, BUK9D120-60PX application, or BUK9D120-60PX equivalent, key selection criteria include logic-level gate drive compatibility (-4.5 V threshold), side-wettable flanks for automated optical inspection, 175 °C maximum junction temperature, and thermal resistance of 6 K/W from junction to solder point.
Technical Context
This device uses Trench MOSFET technology to achieve low on-resistance and fast switching with minimal gate charge (QG(tot) = 12–18 nC). Its P-channel architecture enables high-side switching without level-shifting circuitry, and its integrated source-drain diode supports bidirectional current handling in load-switching topologies.
The DFN2020MD-6 package features six terminals with drain connected to pins 1, 2, 5, 6, and 7, source to pins 4 and 8, and gate to pin 3 - enabling high-current capability through multiple parallel drain paths and optimized thermal conduction via the exposed drain pad.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | -60 V - Maximum drain-source blocking voltage; supports 48 V automotive systems with margin. |
| RDS(on) | 95–120 mΩ @ VGS = -10 V, ID = -3 A, Tj = 25 °C - Enables <1 W conduction loss at 3 A DC load current. |
| ID | -8 A @ VGS = -10 V, Tsp = 25 °C - Continuous drain current rating under ideal PCB thermal conditions. |
| QG(tot) | 12–18 nC - Low total gate charge reduces drive power and enables fast turn-on/turn-off (td(on) = 3 ns, tf = 21 ns). |
| Tj(max) | 175 °C - Extended junction temperature rating allows operation in under-hood automotive environments. |
| Rth(j-sp) | 6–10 K/W - Low junction-to-solder-point thermal resistance enables efficient heat transfer to PCB copper pour. |
| AEC-Q101 | Qualified - Meets stress test requirements for discrete semiconductors in automotive applications. |
Pinout & Package
DFN2020MD-6 (SOT1220) is a 2 mm × 2 mm × 0.65 mm leadless, thermally enhanced ultra-thin plastic package with side-wettable flanks for automated optical solder inspection. The exposed drain pad occupies the center-bottom area and connects to pins 1, 2, 5, 6, and 7.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 5, 6, 7 | Drain (D) | Five parallel drain terminals reduce current density and enhance thermal dissipation via shared copper pad. |
| 3 | Gate (G) | Single gate input; logic-compatible threshold (-1.5 to -2.5 V) allows direct MCU GPIO drive. |
| 4, 8 | Source (S) | Two-source terminals provide low-inductance return path and improve current sharing in high-frequency switching. |
Key Features
| Feature | Design Value |
|---|---|
| Logic-level gate drive | Operates fully enhanced at VGS = -4.5 V, eliminating need for external gate drivers in 5 V or 3.3 V control systems. |
| Side-wettable flanks | Enables 100% automated optical inspection (AOI) of solder joints without X-ray, improving manufacturing yield and reliability verification. |
| Thermal performance | Rth(j-sp) = 6 K/W enables >80 % of rated power dissipation to be transferred directly to PCB copper, reducing hotspot formation. |
| AEC-Q101 qualification | Validated for automotive-grade reliability including HTRB, HTGB, and ESD testing per AEC standard, supporting ASIL-B system integration. |
| Ultra-thin profile | 0.65 mm max height allows use in ultra-low-profile assemblies such as ADAS camera modules and compact ECUs. |
Applications
| Body Control Module (BCM) | Automotive LED Headlamp Driver |
|---|---|
|
Use Scenario: High-side switching of 12 V/24 V loads including door locks, window lifters, and interior lighting. IC Role / Device Role / Timing Role: P-channel MOSFET configured as a high-side load switch with controlled inrush current and overtemperature protection. Use Value: Eliminates need for external level shifters; side-wettable flanks ensure solder joint integrity in vibration-prone vehicle environments. |
Use Scenario: PWM-controlled current regulation for adaptive front-lighting systems (AFS) with dynamic beam shaping. IC Role / Device Role / Timing Role: Fast-switching high-side switch enabling precise duty-cycle control up to 20 kHz without shoot-through risk. Use Value: Low QG and fast tf (21 ns) minimize switching losses during high-frequency dimming, preserving thermal headroom. |
| Engine Control Unit (ECU) Power Distribution | Electric Power Steering (EPS) Auxiliary Load Switch |
|
Use Scenario: Redundant power rail switching for critical sensors and actuators in engine management systems. IC Role / Device Role / Timing Role: AEC-Q101-qualified high-side switch providing fault-isolated power delivery with built-in thermal derating. Use Value: 175 °C Tj(max) and robust avalanche energy rating (28 mJ) support safe operation during load dump transients. |
Use Scenario: Controlled enable/disable of auxiliary hydraulic pumps or cooling fans in EPS subsystems. IC Role / Device Role / Timing Role: Logic-level P-MOSFET used in low-noise, low-EMI power sequencing with soft-start capability. Use Value: Low RDS(on) (95 mΩ typ.) minimizes voltage drop across switch, maintaining stable supply to sensitive motor controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar P-channel high-side load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMTH6005LPS-13 | 60 V, RDS(on) = 55 mΩ @ -10 V, but larger PowerDI5060 package (5.5 × 6.2 mm); no side-wettable flanks. | Better RDS(on) but unsuitable for ultra-thin or AOI-dependent designs; higher thermal resistance (Rth(j-a) ≈ 40 K/W). | Select when lower conduction loss outweighs board space and inspection constraints. |
| IPD80P03P4L-04 | 30 V, RDS(on) = 3.2 mΩ @ -10 V, TO-252 package; not AEC-Q101 qualified; lacks side-wettable flanks. | Higher current capability (80 A pulsed), but incompatible with 48 V systems and automotive qualification requirements. | Select only for non-automotive 24 V industrial loads where extreme low RDS(on) is primary requirement. |
Compared with DMTH6005LPS-13 and IPD80P03P4L-04, BUK9D120-60PX uniquely balances AEC-Q101 compliance, ultra-thin DFN packaging, side-wettable flanks, and -60 V rating - making it the only option among the three suitable for space-limited, optically inspectable, automotive-grade high-side switching.
Availability
BUK9D120-60PX is available at Aetrix Electronics and suitable for automotive body control modules, LED headlamp drivers, and electric power steering auxiliary load switching requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for BUK9D120-60PX 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 for automotive, industrial, and consumer markets.
The BUK9D series targets automotive power management with trench MOSFETs optimized for high-side switching, featuring AEC-Q101 qualification, extended temperature range, and advanced packaging for automated assembly and thermal performance.
FAQ
Is BUK9D120-60PX pin-compatible with other DFN2020MD-6 devices?
Yes - BUK9D120-60PX uses the standardized SOT1220 footprint defined in IEC/JEDEC outlines. Pin 3 is always gate, pins 4 and 8 are source, and pins 1/2/5/6/7 are drain. Layout compatibility is confirmed by Nexperia's official footprint drawing (sot1220_fr), which specifies 0.65 mm pitch and 0.35 mm solder land width.
What is the maximum continuous drain current at 100 °C ambient temperature?
At Tamb = 100 °C on a standard FR4 PCB with 6 cm² drain pad, the maximum continuous drain current is -5.1 A (per Table 5, Limiting Values). This is derived from thermal derating curves in Figure 2, where normalized current drops to ~64 % of the 25 °C rating (-8 A).
Does BUK9D120-60PX include integrated ESD protection?
No - the datasheet does not specify integrated ESD protection structures. However, it meets HBM ESD rating of ±2 kV (Class 2 per AEC-Q101), verified during qualification. External TVS or RC filtering is recommended for gate protection in noisy automotive environments.
Can BUK9D120-60PX be used in reverse polarity protection circuits?
Yes - its P-channel configuration and -60 V VDS rating make it suitable for reverse polarity protection in 12 V/24 V/48 V systems. When placed in the high-side rail, it blocks reverse current flow while allowing forward conduction with low RDS(on); typical VSD of -0.9 to -1.2 V ensures minimal forward voltage drop.
BUK9D120-60PX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 6-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 60 V
- Current - Continuous Drain (Id) @ 25°C:
- 3A (Ta), 8A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 120mOhm @ 3A, 10V
- Vgs(th) (Max) @ Id:
- 2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 18 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 713 pF @ 30 V
- FET Feature:
- -
- Power Dissipation (Max):
- 2.3W (Ta), 15W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN2020MD-6
BUK9D120-60PX FAQ
1.How can I place an order for BUK9D120-60PX through Aetrix?
Please submit a Request for Quotation (RFQ) for BUK9D120-60PX 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 BUK9D120-60PX reliable?
The price and inventory of BUK9D120-60PX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUK9D120-60PX is usually 5 days.
3.What payment methods are accepted for BUK9D120-60PX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUK9D120-60PX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUK9D120-60PX?
BUK9D120-60PX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUK9D120-60PX 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 BUK9D120-60PX?
For technical support, including BUK9D120-60PX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUK9D120-60PX requirements.
6.How does Aetrix verify that BUK9D120-60PX is sourced from the original manufacturer or authorized distributors?
All BUK9D120-60PX 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 BUK9D120-60PX meets industry standards.
7.What is the process for return or replacement of BUK9D120-60PX?
All BUK9D120-60PX units undergo pre-shipment inspection (PSI). If there is an issue with BUK9D120-60PX, 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 BUK9D120-60PX part is unused and in its original packaging.
Return procedure for BUK9D120-60PX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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