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Nexperia USA Inc. BUK7227-100B,118
- Part No.:
- BUK7227-100B,118
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FETs, MOSFETs
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
BUK7227-100B,118.pdf
- Description:
- MOSFET N-CH 100V 48A DPAK
- Quantity:
- Payment:
- Shipping:
Inventory:725
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Product details
Overview
BUK7227-100B,118 from Nexperia is an AEC-Q101-qualified N-channel TrenchMOS FET in DPAK (SOT428) package, designed for automotive power switching. It delivers 100 V drain-source voltage rating, 48 A continuous drain current at 25 °C mounting base temperature, and 23 mΩ typical RDS(on) at VGS = 10 V and Tj = 25 °C, enabling robust 12 V/24 V load control in thermally demanding environments up to 185 °C junction temperature.
For engineers reviewing the BUK7227-100B,118 datasheet, BUK7227-100B,118 pinout, BUK7227-100B,118 application, or BUK7227-100B,118 equivalent, this device serves as a standard-level gate-drive-compatible MOSFET for automotive solenoid, lamp, and motor drive circuits where avalanche ruggedness (145 mJ), low conduction loss, and thermal reliability are critical selection criteria.
Technical Context
This MOSFET employs TrenchMOS technology to achieve low RDS(on) while maintaining high avalanche energy capability (145 mJ unclamped). Its gate threshold voltage ranges from 0.9 V (Tj = 185 °C) to 4.4 V (Tj = −55 °C), ensuring stable turn-on behavior across automotive temperature extremes.
The device features a thermally optimized DPAK package with mounting base connected to drain, delivering 0.95 K/W junction-to-mounting-base thermal resistance. Its dynamic characteristics include 37 nC total gate charge and 13 nC gate-drain charge, supporting efficient switching in medium-frequency power control applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 100 V - Maximum drain-source blocking voltage compatible with 42 V automotive systems and transient overvoltage protection. |
| ID (continuous) | 48 A at Tmb = 25 °C - Supports high-current loads such as starter relays and HVAC blowers without external heatsinking under nominal conditions. |
| RDS(on) | 23 mΩ typ @ VGS = 10 V, ID = 25 A, Tj = 25 °C - Minimizes conduction loss and self-heating in 12 V/24 V battery-fed circuits. |
| EAS | 145 mJ unclamped - Enables reliable operation under inductive load switching without external snubbers in automotive solenoid drivers. |
| Tj max | 185 °C - Qualified for under-hood applications including engine control modules and transmission valve control units. |
| Rth(j-mb) | 0.95 K/W - Low thermal resistance from junction to mounting base allows direct PCB copper pour heatsinking for compact power designs. |
| QG(tot) | 37 nC - Enables fast, low-loss switching with standard 10 V gate drivers while limiting gate drive power requirements. |
Pinout & Package
BUK7227-100B,118 uses the SOT428 (DPAK) plastic surface-mount package with three leads and an exposed mounting base electrically connected to the drain terminal. Pin 2 is internally inaccessible per datasheet note [1]. The package supports high-power dissipation via direct thermal coupling of the drain to PCB copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (G) | Gate | Controls channel conduction; requires ≥10 V for full enhancement; compatible with standard 12 V automotive logic outputs. |
| 2 (D) | Drain | Not externally accessible - internal connection only; drain potential referenced to mounting base. |
| 3 (S) | Source | Return path for load current; used as reference for gate drive; enables low-side switching configuration. |
| Mounting Base (mb) | Drain (electrically tied) | Primary thermal and electrical interface to PCB; must be soldered to large copper area for thermal management. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive safety-critical systems including engine management and braking subsystems. |
| 185 °C maximum junction temperature | Enables operation in high-ambient under-hood locations without derating in most thermal layouts. |
| 23 mΩ RDS(on) at 25 °C | Reduces I²R losses by >30% vs. comparable 100 V MOSFETs, improving efficiency in battery-powered loads. |
| 145 mJ avalanche energy | Eliminates need for external clamping diodes in inductive load switching, reducing BOM count and board space. |
| Standard-level gate drive compatibility | Operates fully enhanced with 10 V gate-source voltage, matching common microcontroller and driver IC outputs. |
Applications
| Engine Control Valve Driver | Automotive Headlamp Switching |
|---|---|
|
Use Scenario: Driving 12 V solenoid valves in gasoline direct injection (GDI) or variable valve timing (VVT) systems. IC Role / Device Role / Timing Role: Low-side power switch controlling solenoid coil current with precise PWM duty cycle for flow regulation. Use Value: 145 mJ avalanche ruggedness withstands back-EMF during rapid valve de-energization; 185 °C rating ensures reliability near hot exhaust manifolds. |
Use Scenario: High-current switching of halogen or LED headlamps in modern lighting control modules. IC Role / Device Role / Timing Role: Main power switch in low-side configuration, handling up to 48 A peak during lamp inrush. Use Value: 23 mΩ RDS(on) minimizes voltage drop and heat generation during continuous 55 W–100 W lamp operation. |
| HVAC Blower Motor Control | Transmission Solenoid Interface |
|
Use Scenario: PWM-controlled blower motor in vehicle climate control systems operating across −40 °C to +85 °C ambient. IC Role / Device Role / Timing Role: High-current power stage modulating motor speed via duty-cycle-adjusted switching. Use Value: Stable gate threshold (0.9–4.4 V range) ensures consistent turn-on across full automotive temperature range, preventing erratic motor behavior. |
Use Scenario: Driving linear or on/off transmission pressure control solenoids in automatic gearboxes. IC Role / Device Role / Timing Role: Robust power switch interfacing between transmission controller and 24 V solenoid loads. Use Value: 0.95 K/W Rth(j-mb) enables direct thermal coupling to chassis ground plane, sustaining 34 A continuous current at 100 °C mounting base. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel automotive power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STL220N10F7 | 100 V, 220 A rated, 1.7 mΩ RDS(on), but in PowerFLAT 5x6 package with no exposed drain pad; requires external heatsink for >30 A. | Better suited for high-current, space-constrained modules where PCB copper area is limited but forced-air cooling is available. | Select when peak current exceeds 100 A and thermal design includes active cooling; avoid if relying solely on PCB copper heatsinking. |
| IRF3205PBF | 55 V rating, 110 A, 8.0 mΩ RDS(on), TO-220 package; not AEC-Q101 qualified; 175 °C max Tj. | Applicable only in non-safety-critical 12 V systems (e.g., aftermarket accessories); lacks automotive qualification and 100 V surge margin. | Use only for cost-sensitive, non-automotive industrial prototypes; not approved for OEM production in automotive ECUs. |
Compared with STL220N10F7 and IRF3205PBF, BUK7227-100B,118 uniquely balances AEC-Q101 compliance, 100 V rating, DPAK thermal performance, and gate-drive compatibility-making it optimal for volume automotive power stages where qualification, reliability, and PCB-integrated thermal management are mandatory.
Availability
BUK7227-100B,118 is available at Aetrix Electronics and suitable for automotive engine control, lighting systems, and HVAC power switching requiring stable component supply across extended temperature and lifetime requirements.
Supply support for BUK7227-100B,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, logic, and MOSFET solutions, with leadership in automotive-qualified components and advanced packaging.
BUK7227-100B,118 belongs to Nexperia's TrenchMOS automotive power portfolio, engineered specifically for robust, thermally efficient switching in 12 V/24 V/42 V automotive subsystems where AEC-Q101 compliance and avalanche endurance are essential.
FAQ
Is BUK7227-100B,118 suitable for high-frequency PWM motor control?
No-it is optimized for medium-frequency switching (≤100 kHz) due to its 37 nC total gate charge and 13 nC gate-drain charge. For >200 kHz motor control, lower-QG MOSFETs like Nexperia's PMGD290UN series are recommended to minimize switching losses and gate drive power.
What is the maximum continuous drain current at 100 °C mounting base temperature?
The datasheet specifies 34 A continuous drain current at Tmb = 100 °C and VGS = 10 V. This derating reflects thermal limits of the DPAK package and must be respected in layout design with adequate copper area and airflow.
Does the mounting base require electrical isolation from the PCB ground plane?
No-the mounting base is electrically connected to the drain terminal. It must be routed to the high-side (battery-positive) net of the switched load. Isolation is unnecessary and would impair thermal performance; instead, use appropriate creepage/clearance spacing per automotive standards.
Can BUK7227-100B,118 replace older BUK7227-100A variants in existing designs?
Yes-BUK7227-100B,118 is a direct replacement with identical pinout, package, and electrical specifications. The revision improves manufacturing consistency and maintains full backward compatibility; no layout or firmware changes are required.
BUK7227-100B,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- TrenchMOS™
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 100 V
- Current - Continuous Drain (Id) @ 25°C:
- 48A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 27mOhm @ 25A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 37 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 2789 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 167W (Tc)
- Operating Temperature:
- -55°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DPAK
BUK7227-100B,118 FAQ
1.How can I place an order for BUK7227-100B,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for BUK7227-100B,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 BUK7227-100B,118 reliable?
The price and inventory of BUK7227-100B,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUK7227-100B,118 is usually 5 days.
3.What payment methods are accepted for BUK7227-100B,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUK7227-100B,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUK7227-100B,118?
BUK7227-100B,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUK7227-100B,118 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 BUK7227-100B,118?
For technical support, including BUK7227-100B,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUK7227-100B,118 requirements.
6.How does Aetrix verify that BUK7227-100B,118 is sourced from the original manufacturer or authorized distributors?
All BUK7227-100B,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 BUK7227-100B,118 meets industry standards.
7.What is the process for return or replacement of BUK7227-100B,118?
All BUK7227-100B,118 units undergo pre-shipment inspection (PSI). If there is an issue with BUK7227-100B,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 BUK7227-100B,118 part is unused and in its original packaging.
Return procedure for BUK7227-100B,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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