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Nexperia USA Inc. PBSS4032NX-QF
- Part No.:
- PBSS4032NX-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
PBSS4032NX-QF.pdf
- Description:
- TRANS NPN 30V 4.7A SOT-89
- Quantity:
- Payment:
- Shipping:
Inventory:8,083
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Product details
Overview
PBSS4032NX-QF from Nexperia is an AEC-Q101-qualified NPN low VCE(sat) transistor in SOT89 package, designed for high-efficiency power switching in automotive and portable systems. It delivers 4.7 A continuous collector current, 30 V VCEO, and typ. 45 mΩ RCE(sat) at IC = 4 A / IB = 400 mA - enabling compact, thermally efficient motor drive and battery charging circuits.
For engineers reviewing the PBSS4032NX-QF datasheet, PBSS4032NX-QF pinout, PBSS4032NX-QF application, or PBSS4032NX-QF equivalent, key selection criteria include its ultra-low saturation resistance, AEC-Q101 qualification, SOT89 thermal performance on FR4 PCBs, and complementary PNP pairing with PBSS4032PX-Q.
Technical Context
This device operates as a medium-power NPN bipolar junction transistor optimized for saturated-switching applications. Its architecture emphasizes minimal conduction loss via low VCE(sat) (typ. 200 mV at IC = 4 A) and high hFE (min. 150 at IC = 6 A), supporting robust DC gain stability across −55 °C to 150 °C junction temperature.
Switching performance is characterized by fast turn-on (ton = 65 ns) and turn-off (toff = 215 ns) times under defined test conditions (VCC = 12.5 V, IC = 1 A), with fT = 145 MHz confirming suitability for high-frequency PWM control in power management ICs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 30 V - Maximum allowable collector-emitter voltage with base open; defines safe operating voltage headroom in 24 V automotive and 12 V battery systems. |
| IC | 4.7 A - Continuous DC collector current rating; supports sustained load switching in fan/motor drivers without derating at Tamb ≤ 25 °C. |
| RCE(sat) | 45 mΩ (typ.) - Low saturation resistance at IC = 4 A / IB = 400 mA; reduces conduction loss to <180 mW, minimizing heatsink requirements. |
| hFE | 150–275 - High DC current gain at IC = 6 A; enables efficient base drive with low gate-driver current demand in discrete switch stages. |
| toff | 215 ns - Total turn-off time under VCC = 12.5 V, IC = 1 A; ensures clean PWM edge transitions up to ~500 kHz switching frequency. |
| Tj(max) | 150 °C - Maximum junction temperature; validated for automotive underhood environments and industrial ambient conditions. |
Pinout & Package
The PBSS4032NX-QF is housed in a surface-mount SOT89 (SC-62) plastic package measuring 4.5 mm × 2.5 mm × 1.5 mm, with 1.5 mm lead pitch and integrated heat-dissipating tab on Pin 2 (collector).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter | Low-impedance return path for collector current; connected to ground or low-side reference in high-side switch configurations. |
| 2 | Collector | Main power output terminal with thermal pad; requires ≥6 cm² copper pour on FR4 for full 2.5 W power dissipation capability. |
| 3 | Base | Control input for bipolar switching; driven with 400 mA peak base current to achieve specified RCE(sat) and switching speed. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low RCE(sat) | 45 mΩ typ. at IC = 4 A - cuts conduction loss by >50% vs. standard BJT alternatives, directly improving system efficiency in battery-powered devices. |
| AEC-Q101 qualification | Qualified per Automotive Electronics Council stress test standard - confirms reliability for under-hood, infotainment, and ADAS power stages. |
| High hFE at high IC | Min. 150 at IC = 6 A - maintains strong current amplification even near current limit, reducing base drive circuit complexity and power consumption. |
| Optimized switching speed | ton = 65 ns, toff = 215 ns - enables precise PWM control in DC-DC converters and motor drivers without excessive switching loss. |
| Thermal performance on FR4 | Rth(j-a) = 75 K/W with 6 cm² collector pad - allows 1.65 W continuous dissipation on standard PCBs, eliminating need for external heatsinks in many designs. |
Applications
| Automotive Fan Control | USB-C Power Delivery Switch |
|---|---|
|
Use Scenario: Driving 12 V cooling fans in engine bay or HVAC modules with PWM duty cycling. IC Role / Device Role / Timing Role: Discrete NPN power switch handling bidirectional current up to 4.7 A, controlled by MCU GPIO with base resistor network. Use Value: Low RCE(sat) minimizes self-heating during 100% duty cycle operation, while AEC-Q101 qualification ensures 15-year field reliability. |
Use Scenario: High-side load switch in USB-C PD sink applications requiring 3 A–5 A inrush and steady-state current handling. IC Role / Device Role / Timing Role: Low-VCE(sat) NPN transistor used in discrete OR-ing or hot-swap configuration with reverse-polarity protection diode. Use Value: 200 mV VCE(sat) at 4 A limits voltage drop to <0.8 V, preserving bus voltage margin for PD negotiation and maintaining compliance with USB-IF spec. |
| Portable Device Battery Charging | Industrial Solenoid Driver |
|
Use Scenario: Charging circuit enable switch in handheld medical or test equipment using Li-ion batteries. IC Role / Device Role / Timing Role: High-current pass element placed between charger IC output and battery terminal, controlled by system PMIC. Use Value: 4.7 A IC rating supports 5 V/3 A fast-charge paths; low thermal resistance enables operation without forced air in sealed enclosures. |
Use Scenario: Driving 24 V DC solenoids in factory automation valves with 100 ms–500 ms activation pulses. IC Role / Device Role / Timing Role: Saturated-switch transistor delivering peak IC = 10 A (single pulse) to overcome solenoid inductance and ensure reliable actuation. Use Value: 10 A ICM rating and 150 °C Tj(max) allow repeated short-pulse operation without thermal shutdown in unventilated control cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN low VCE(sat) transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS40301MZ4T1G | Higher VCEO (40 V), lower IC (3.0 A), RCE(sat) = 65 mΩ (typ.) at IC = 3 A | Preferred where higher voltage margin is required but peak current stays below 3 A; less suitable for 4.7 A continuous loads. | Select when system voltage exceeds 30 V or board space permits larger SOT-223 package; verify thermal design for reduced current rating. |
| Diodes Incorporated DXT7050QZ-13 | AEC-Q101 qualified, same SOT89 package, IC = 4.5 A, RCE(sat) = 50 mΩ (typ.) at IC = 4 A | Nearly identical performance envelope; slightly lower current rating and marginally higher saturation resistance. | Drop-in replacement where supply chain diversification is needed; confirm layout compatibility with identical footprint and thermal pad dimensions. |
Compared with NSS40301MZ4T1G and DXT7050QZ-13, PBSS4032NX-QF offers the highest continuous current (4.7 A) and lowest RCE(sat) (45 mΩ) in the SOT89 form factor, making it optimal for thermally constrained, high-current automotive and industrial switching nodes.
Availability
PBSS4032NX-QF is available at Aetrix Electronics and suitable for automotive fan control, USB-C power delivery switches, and portable battery charging circuits requiring stable component supply, AEC-Q101 compliance, and high-current SOT89 packaging.
Supply support for PBSS4032NX-QF 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 - including logic, discretes, MOSFETs, and ESD protection devices - serving automotive, industrial, and consumer markets.
PBSS4032NX-QF belongs to Nexperia's Automotive-qualified Low VCE(sat) Transistor product line, engineered specifically for energy-efficient, space-constrained power switching in 12 V–24 V systems where thermal performance and long-term reliability are critical.
FAQ
What is the maximum allowable base current for PBSS4032NX-QF?
The absolute maximum base current is 1 A per datasheet limiting values. For optimal RCE(sat) and switching speed, the recommended base drive is 400 mA at IC = 4 A. Exceeding 1 A risks permanent degradation of hFE and bond wire integrity, especially under pulsed conditions above 150 °C junction temperature.
Can PBSS4032NX-QF be used in linear regulator applications?
No - PBSS4032NX-QF is optimized for saturated-switching operation, not linear regulation. Its Safe Operating Area (SOA) is not characterized for linear mode, and prolonged operation in the active region risks thermal runaway due to positive temperature coefficient of VCE(sat). Use only in switching configurations with defined saturation and cutoff states.
Is the SOT89 thermal pad electrically isolated?
No - Pin 2 (collector) is internally connected to the exposed thermal pad. The pad must be soldered to a dedicated collector copper pour and cannot be used as a floating thermal slug. Electrical isolation requires a separate insulated mounting solution or alternative package like TO-252.
How does PBSS4032NX-QF compare to its PNP complement PBSS4032PX-Q in switching performance?
PBSS4032PX-Q has matched VCEO (30 V), IC (−4.7 A), and RCE(sat) (45 mΩ typ.), but exhibits slower switching (toff ≈ 320 ns) due to lower hole mobility in silicon. Both share identical AEC-Q101 qualification and thermal characteristics, enabling balanced complementary designs in H-bridge or dual-rail power stages.
PBSS4032NX-QF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 4.7 A
- Voltage - Collector Emitter Breakdown (Max):
- 30 V
- Vce Saturation (Max) @ Ib, Ic:
- 375mV @ 40mA, 4A
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 1A, 2V
- Power - Max:
- 600 mW
- Frequency - Transition:
- 145MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89
PBSS4032NX-QF FAQ
1.How can I place an order for PBSS4032NX-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS4032NX-QF 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 PBSS4032NX-QF reliable?
The price and inventory of PBSS4032NX-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4032NX-QF is usually 5 days.
3.What payment methods are accepted for PBSS4032NX-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4032NX-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS4032NX-QF?
PBSS4032NX-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS4032NX-QF 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 PBSS4032NX-QF?
For technical support, including PBSS4032NX-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4032NX-QF requirements.
6.How does Aetrix verify that PBSS4032NX-QF is sourced from the original manufacturer or authorized distributors?
All PBSS4032NX-QF 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 PBSS4032NX-QF meets industry standards.
7.What is the process for return or replacement of PBSS4032NX-QF?
All PBSS4032NX-QF units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4032NX-QF, 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 PBSS4032NX-QF part is unused and in its original packaging.
Return procedure for PBSS4032NX-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PBSS4032NX-QF Tags
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