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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

Nexperia USA Inc. PBSS4330X,115

Name: PBSS4330X,115
Brand: Nexperia USA Inc.
SKU: PBSS4330X,115
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBSS4330X,115

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: PBSS4330X,115.pdf

Description:: TRANS NPN 30V 3A SOT-89

Quantity:: RFQ Add To RFQ list

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Product details

Overview

PBSS4330X,115 from Nexperia is an AEC-Q101-qualified NPN low V_CEsat transistor in SOT89 package, designed for high-efficiency switching in 30 V systems with 3 A continuous collector current, 80–100 mΩ R_CEsat, and 180 minimum h_FE at I_C = 3 A. It serves as a compact, thermally robust power switch in battery-powered and automotive peripheral driver circuits.

For engineers reviewing the PBSS4330X,115 datasheet, PBSS4330X,115 pinout, PBSS4330X,115 application, or PBSS4330X,115 equivalent, key selection criteria include verified V_CEsat ≤ 300 mV at 3 A/300 mA drive, thermal resistance as low as 80 K/W on ceramic PCB, and SOT89 footprint compatibility with high-current DC/DC and load-switching layouts.

Technical Context

This device operates as a saturated-mode NPN switch optimized for low conduction loss. Its design centers on minimizing V_CEsat via advanced epitaxial processing, enabling stable operation up to T_j = 150 °C with pulsed I_C capability of 5 A and f_T = 100 MHz for moderate-speed switching control.

The SOT89 package integrates a large collector pad (4.5 mm × 2.5 mm) for direct thermal coupling to PCB copper, supporting power dissipation up to 1.6 W on ceramic substrate. Pin 2 (collector) is electrically and thermally tied to the exposed tab, requiring proper solder land design per Fig. 14 and 15.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	30 V - Maximum blocking voltage across collector-emitter with base open; defines safe operating range in 24 V automotive and industrial supply rails.
I_C	3 A continuous - Rated DC collector current at T_amb ≤ 25 °C; supports sustained load switching without derating in well-ventilated designs.
R_CEsat	80–100 mΩ at I_C = 3 A, I_B = 300 mA - Equivalent on-resistance determines conduction loss (P_cond ≈ I_C² × R_CEsat) and junction temperature rise.
h_FE	180 min at I_C = 3 A - Ensures reliable saturation with modest base drive (IB ≥ I_C/20), reducing MCU GPIO or driver IC loading requirements.
T_j max	150 °C - Junction temperature limit enabling operation in under-hood automotive environments and sealed industrial enclosures.
AEC-Q101	Qualified - Validated for automotive-grade reliability including HTOL, temperature cycling, and ESD per JESD22-A114, supporting use in safety-conscious modules.

Pinout & Package

SOT89 (SC-62) plastic surface-mount package: 4.5 mm × 2.5 mm × 1.5 mm body, 1.5 mm lead pitch, with exposed collector tab for thermal conduction. Mounting requires full-solder coverage of Pin 2 land per Fig. 14 (reflow) or Fig. 15 (wave).

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter	Current return path; connects to ground or low-side reference; not thermally enhanced-requires minimal trace width.
2	Collector	Main power output terminal and thermal interface; electrically and thermally connected to exposed metal tab; must be soldered to ≥1 cm² copper area.
3	Base	Control input; accepts TTL/CMOS-compatible drive; requires series resistor to limit I_B ≤ 500 mA per absolute maximum rating.

Key Features

Feature	Design Value
Low V_CEsat	≤300 mV at 3 A ensures <1 W conduction loss in 24 V systems, reducing heatsink need and improving system efficiency.
AEC-Q101 qualification	Validated for automotive applications including engine control modules and body electronics, with guaranteed lifetime performance under thermal stress.
High I_CM	5 A peak current enables robust handling of motor startup surges, relay coil transients, and capacitor inrush without latch-up.
Thermal resistance	R_th(j-a) = 80 K/W on ceramic PCB allows >1.4 W dissipation at 70 °C ambient-critical for space-constrained LED drivers and DC/DC regulators.
SOT89 footprint	Standardized 3-pin outline with large collector pad simplifies layout reuse across Nexperia's low-V_CEsat portfolio and eases PCB assembly.

Applications

Automotive Body Control Module

USB-C Power Delivery Switch

Use Scenario: Driving 12 V solenoids and window lift motors in door modules.

IC Role / Device Role / Timing Role: Low-side power switch controlling inductive loads with flyback protection and PWM dimming capability.

Use Value: 30 V V_CEO and 5 A I_CM withstand battery transients and motor stall currents; AEC-Q101 ensures field reliability over 15-year vehicle life.

Use Scenario: Enabling/disabling 5–20 V power paths in portable chargers and docking stations.

IC Role / Device Role / Timing Role: High-current, low-loss pass element in USB PD 3.1 EPR load switches.

Use Value: 80 mΩ R_CEsat limits voltage drop to <150 mV at 2 A, preserving tight VBUS regulation and minimizing self-heating during extended operation.

LCD Backlight Driver

Industrial Sensor Supply Switch

Use Scenario: Sequencing and current-limiting white LED strings in medical displays and HMI panels.

IC Role / Device Role / Timing Role: Constant-current sink switch with fast turn-on (<100 ns) for PWM brightness control.

Use Value: 100 MHz f_T supports clean 20 kHz+ PWM edges; low V_CEsat prevents LED forward-voltage drift across temperature.

Use Scenario: Isolating 24 V sensor power rails in PLC I/O modules during fault conditions.

IC Role / Device Role / Timing Role: Protected high-side or low-side supply enable switch with overtemperature shutdown margin.

Use Value: 150 °C T_j max and 125 K/W R_th(j-a) on FR4 allow continuous 3 A operation in 70 °C control cabinets without forced air.

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN low V_CEsat transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor NSS40301MZ4T1G	V_CEO = 40 V, R_CEsat = 110–140 mΩ at 3 A, SOT-23 package	Higher voltage margin but lower current density and worse thermal performance due to smaller package	Select when 40 V blocking is required and board space is constrained; avoid for >2 A continuous loads without derating.
Diodes Incorporated DXT30100MPQ-13	V_CEO = 30 V, R_CEsat = 95–120 mΩ at 3 A, SOT-89 package, AEC-Q101 qualified	Nearly identical electrical specs but higher V_BEsat (1.3 V vs. 1.2 V) increases base drive power	Drop-in replacement where Nexperia supply is constrained; verify base driver capability with higher V_BEsat.

Compared with PBSS4330X,115, NSS40301MZ4T1G trades thermal robustness for voltage headroom in tiny packages, while DXT30100MPQ-13 matches SOT89 form factor and AEC-Q101 status but demands slightly more base current-making PBSS4330X optimal for thermally dense 3 A automotive and industrial switching.

Availability

PBSS4330X,115 is available at Aetrix Electronics and suitable for automotive body electronics, industrial DC/DC converters, and portable power delivery systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q101-compliant discrete transistors.

Supply support for PBSS4330X,115 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 essential semiconductors, delivering high-performance, reliable components for automotive, industrial, and consumer markets with emphasis on efficiency and miniaturization.

PBSS4330X,115 belongs to Nexperia's low V_CEsat bipolar transistor family, engineered specifically for high-current, low-loss switching in space- and thermal-constrained applications such as automotive lighting and power management.

FAQ

What is the maximum allowable base current for continuous operation?

The absolute maximum base current is 500 mA, but for continuous DC operation, IB should be limited to ≤300 mA to maintain safe junction temperature. At I_C = 3 A, this provides sufficient h_FE margin (IB/I_C = 10) while avoiding excessive base power dissipation (P_B = V_BEsat × I_B ≤ 360 mW). Pulsed operation permits brief peaks up to 500 mA with duty cycle ≤2%.

Can PBSS4330X,115 be used in high-frequency PWM applications above 100 kHz?

Yes-its 100 MHz transition frequency (f_T) and typical turn-on/off times of 25 ns/150 ns support clean switching up to 500 kHz in non-resonant topologies. However, gate/base drive strength must ensure full saturation within 50 ns; a 10 Ω series resistor with 3.3 V MCU GPIO delivers ~300 mA peak IB, meeting the 300 mA drive requirement for 3 A I_C.

How does thermal performance change when mounted on standard FR4 versus ceramic PCB?

On standard FR4 with no extra copper, R_th(j-a) is 225 K/W, limiting continuous power to ~440 mW at 25 °C ambient. With a 6 cm² collector pad, it drops to 90 K/W (1.1 W). On ceramic PCB (7 cm²), R_th(j-a) reaches 80 K/W, enabling 1.6 W dissipation-critical for maintaining <150 °C junction temperature in enclosed 70 °C environments.

Is the SOT89 package lead-free and RoHS compliant?

Yes-PBSS4330X,115 is manufactured with lead-free terminations and complies with EU RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. The device uses SnAgCu (SAC305) solder finish and passes JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1) for unlimited floor life at ≤30 °C/85% RH.

PBSS4330X,115 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):: 3 A

Voltage - Collector Emitter Breakdown (Max):: 30 V

Vce Saturation (Max) @ Ib, Ic:: 300mV @ 300mA, 3A

Current - Collector Cutoff (Max):: 100nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 270 @ 1A, 2V

Power - Max:: 1.6 W

Frequency - Transition:: 100MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89

PBSS4330X,115 FAQ

1.How can I place an order for PBSS4330X,115 through Aetrix?

Please submit a Request for Quotation (RFQ) for PBSS4330X,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 PBSS4330X,115 reliable?

The price and inventory of PBSS4330X,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4330X,115 is usually 5 days.

3.What payment methods are accepted for PBSS4330X,115?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4330X,115 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBSS4330X,115?

PBSS4330X,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBSS4330X,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 PBSS4330X,115?

For technical support, including PBSS4330X,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4330X,115 requirements.

6.How does Aetrix verify that PBSS4330X,115 is sourced from the original manufacturer or authorized distributors?

All PBSS4330X,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 PBSS4330X,115 meets industry standards.

7.What is the process for return or replacement of PBSS4330X,115?

All PBSS4330X,115 units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4330X,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 PBSS4330X,115 part is unused and in its original packaging.

Return procedure for PBSS4330X,115:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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