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Nexperia USA Inc. PBSS4350T-QVL
- Part No.:
- PBSS4350T-QVL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PBSS4350T-QVL.pdf
- Description:
- TRANS NPN 50V 2A TO-236AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,469
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Product details
Overview
PBSS4350T-QVL from Nexperia is an AEC-Q101-qualified NPN low VCE(sat) transistor in SOT23 package, rated for 50 V VCEO, 2 A continuous IC, and 100–130 mΩ RCE(sat) at IC = 2 A / IB = 200 mA. It serves as a high-efficiency switching element in automotive power management, battery chargers, and LDO regulators where low conduction loss and thermal robustness are critical.
For engineers reviewing the PBSS4350T-QVL datasheet, PBSS4350T-QVL pinout, PBSS4350T-QVL application, or PBSS4350T-QVL equivalent, this device is selected for its verified low saturation resistance, AEC-Q101 qualification, SOT23 footprint compatibility, and proven performance in DC/DC converter switching and supply-line control under 150 °C junction conditions.
Technical Context
This discrete NPN transistor employs epitaxial planar technology optimized for low on-state voltage drop and high current gain (hFE ≥ 100 at IC = 3 A). Its design targets stable operation under pulsed conditions (tp ≤ 300 µs, δ ≤ 0.02) with guaranteed VCE(sat) ≤ 370 mV at IC = 3 A / IB = 300 mA.
Thermal performance is defined across three PCB mounting configurations: standard SOT23 footprint (Rth(j-a) = 417 K/W), 1 cm² collector pad (260 K/W), and 6 cm² pad (230 K/W), enabling precise thermal modeling for automotive-grade reliability validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum allowable collector-emitter voltage with base open; defines safe blocking capability in 12 V/24 V automotive systems. |
| IC (continuous) | 2 A - Continuous collector current rating at Tamb ≤ 25 °C; supports sustained switching in battery charger output stages. |
| RCE(sat) | 100–130 mΩ - Measured at IC = 2 A / IB = 200 mA; enables <100 mW conduction loss per switch, reducing heatsink requirements. |
| hFE | ≥100 - DC current gain at IC = 3 A / VCE = 2 V; ensures reliable saturation with modest base drive (e.g., 30 mA MCU GPIO). |
| Tj(max) | 150 °C - Maximum junction temperature; validated per AEC-Q101 for under-hood automotive environments. |
| VBE(sat) | ≤1.2 V - Base-emitter saturation voltage at IC = 3 A / IB = 300 mA; simplifies bias network design with low-voltage controllers. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm lead pitch, standard footprint compatible with automated reflow assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base (B) | Control terminal accepting TTL/CMOS-compatible drive; requires ≥300 mA peak base current for full saturation at 3 A load. |
| 2 | Emitter (E) | Current return path; internally connected to exposed die attach pad in SOT23 - must be routed to ground plane for thermal and EMI control. |
| 3 | Collector (C) | High-current output node; electrically and thermally coupled to PCB copper area - 6 cm² pad reduces Rth(j-a) to 230 K/W. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use per stress test standard - supports deployment in engine control, body electronics, and ADAS power rails without additional qualification. |
| Low RCE(sat) | 100–130 mΩ enables <0.5 W conduction loss at 2 A - reduces thermal derating and improves efficiency in space-constrained LDO and DC/DC designs. |
| High hFE | ≥100 at 3 A allows direct drive from microcontrollers or logic gates - eliminates need for Darlington staging or external driver ICs. |
| Robust thermal design | Specified Rth(j-a) down to 230 K/W with 6 cm² collector pad - enables operation up to 150 °C junction temperature in sealed enclosures. |
Applications
| Automotive Power Management | DC/DC Converter Switching |
|---|---|
Use Scenario: Load switching in 12 V vehicle subsystems (e.g., HVAC fan control, lighting modules). IC Role / Device Role / Timing Role: NPN power switch controlling high-side or low-side current paths with fast turn-on/off response. Use Value: Low VCE(sat) minimizes voltage drop and heat generation during continuous 2 A operation, extending module lifetime in high-temperature cabin environments. |
Use Scenario: Synchronous rectifier or main switch in non-isolated buck converters for infotainment supplies. IC Role / Device Role / Timing Role: High-current switching element operating at 100–500 kHz with controlled dI/dt to limit EMI. Use Value: 100–130 mΩ RCE(sat) reduces conduction loss by >40% versus standard bipolar transistors, improving converter efficiency from 88% to ≥92% at 1 A output. |
| Battery Charger Control | LDO Voltage Regulation |
Use Scenario: Input OR-ing and charge path selection in dual-battery (starter + auxiliary) systems. IC Role / Device Role / Timing Role: Low-loss pass transistor managing bidirectional current flow between batteries and charging sources. Use Value: 50 V VCEO withstands load-dump transients; low RCE(sat) prevents >0.26 V dropout at 2 A, preserving usable battery voltage range. |
Use Scenario: Pass element in linear regulators supplying noise-sensitive sensors or microcontrollers from 5 V rail. IC Role / Device Role / Timing Role: Adjustable current-limiting series regulator with thermal foldback protection. Use Value: VCE(sat) ≤ 370 mV at 3 A enables <0.4 V dropout at full load - critical for maintaining regulation when input drops to 5.3 V in automotive cold-crank conditions. |
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 NSS40201LT1G | VCEO = 40 V, RCE(sat) = 120–160 mΩ at IC = 2 A, hFE = 100–300 | Lower voltage rating limits use in 48 V mild-hybrid systems; higher RCE(sat) increases conduction loss by ~25%. | Select when cost sensitivity outweighs 10 V headroom requirement and thermal margin is sufficient. |
| Diodes Incorporated DXTN3C40PSQ-13 | VCEO = 40 V, RCE(sat) = 90–120 mΩ, AEC-Q101 qualified, SOT23-3L | Nearly identical RCE(sat) but 10 V lower breakdown; same thermal specs and pinout. | Preferred for 12 V-only systems where 40 V rating is adequate and tighter RCE(sat) tolerance is beneficial. |
Compared with NSS40201LT1G and DXTN3C40PSQ-13, PBSS4350T-QVL provides 10 V higher blocking voltage and consistent 100–130 mΩ RCE(sat) across production lots - making it the optimal choice for 24 V commercial vehicle systems requiring margin against load-dump spikes and predictable thermal behavior.
Availability
PBSS4350T-QVL is available at Aetrix Electronics and suitable for automotive power management, DC/DC converter switching, and battery charger control requiring stable component supply with AEC-Q101 compliance and SOT23 footprint consistency.
Supply support for PBSS4350T-QVL 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 specializing in high-performance, energy-efficient components for automotive, industrial, and consumer markets, with manufacturing and R&D centers across Asia, Europe, and the Americas.
The PBSS4350T-QVL belongs to Nexperia's Automotive-qualified Low VCE(sat) Transistor product line, engineered specifically for high-reliability power switching in harsh-environment applications where thermal stability and transient robustness are mandatory.
FAQ
What is the maximum continuous collector current for PBSS4350T-QVL at 100 °C ambient?
At Tamb = 100 °C, the maximum continuous IC is derated to 1.3 A based on thermal resistance (Rth(j-a) = 417 K/W, Tj(max) = 150 °C). This value assumes standard FR4 PCB mounting with single-sided 1 oz copper and no additional heatsinking.
Does PBSS4350T-QVL support pulsed operation beyond its DC ratings?
Yes - it supports ICM = 5 A peak collector current for single pulses ≤1 ms, and ICRM = 3 A repetitive peak current at duty cycle ≤0.25 and pulse width ≤100 ms, enabling use in short-duration surge handling and PWM-driven loads.
How does the SOT23 package affect thermal performance in high-power applications?
The SOT23 package limits absolute power dissipation but achieves Rth(j-a) as low as 230 K/W with a 6 cm² copper pad under the collector terminal - allowing 1.2 W pulsed power (tp ≤ 100 ms) or 480 mW continuous dissipation at Tamb = 25 °C with proper layout.
Is PBSS4350T-QVL pin-compatible with its PNP complement PBSS5350T-Q?
No - PBSS5350T-Q uses identical SOT23 package and pinout (1: Base, 2: Emitter, 3: Collector), but polarity reversal means direct substitution requires circuit redesign; however, both share identical mechanical footprint and thermal mounting guidelines.
PBSS4350T-QVL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Vce Saturation (Max) @ Ib, Ic:
- 370mV @ 300mA, 3A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 1A, 2V
- Power - Max:
- 1.2 W
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PBSS4350T-QVL FAQ
1.How can I place an order for PBSS4350T-QVL through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS4350T-QVL 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 PBSS4350T-QVL reliable?
The price and inventory of PBSS4350T-QVL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4350T-QVL is usually 5 days.
3.What payment methods are accepted for PBSS4350T-QVL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4350T-QVL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS4350T-QVL?
PBSS4350T-QVL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS4350T-QVL 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 PBSS4350T-QVL?
For technical support, including PBSS4350T-QVL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4350T-QVL requirements.
6.How does Aetrix verify that PBSS4350T-QVL is sourced from the original manufacturer or authorized distributors?
All PBSS4350T-QVL 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 PBSS4350T-QVL meets industry standards.
7.What is the process for return or replacement of PBSS4350T-QVL?
All PBSS4350T-QVL units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4350T-QVL, 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 PBSS4350T-QVL part is unused and in its original packaging.
Return procedure for PBSS4350T-QVL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PBSS4350T-QVL Tags
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BC847B,215
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