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Nexperia USA Inc. PBSS4021PX,115
- Part No.:
- PBSS4021PX,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
PBSS4021PX,115.pdf
- Description:
- TRANS PNP 20V 6.2A SOT-89
- Quantity:
- Payment:
- Shipping:
Inventory:1,240
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Product details
Overview
PBSS4021PX from Nexperia is a PNP low VCE(sat) transistor in SOT89 package, rated for −20 V VCEO, −6.2 A continuous collector current, and 23 mΩ typical RCE(sat) at −4 A/−400 mA drive-designed for high-efficiency load switching in battery-powered power management circuits.
For engineers reviewing the PBSS4021PX datasheet, PBSS4021PX pinout, PBSS4021PX application, or PBSS4021PX equivalent, key selection criteria include verified AEC-Q101 qualification, thermal resistance as low as 50 K/W on ceramic PCB, and confirmed −160 mV VCE(sat) at −6.9 A/−345 mA drive under pulsed conditions.
Technical Context
This PNP bipolar transistor operates with open-base VCEO = −20 V and supports peak pulsed IC up to −15 A. Its low saturation voltage stems from optimized epitaxial structure and emitter geometry, enabling <160 mV VCE(sat) at high current density (−6.9 A) with moderate base drive (−345 mA).
DC current gain hFE ranges from 80–210 at −7 A, supporting robust switching control across −55 °C to +150 °C junction temperature. Switching performance includes 93 ns ton, 434 ns toff, and 91 MHz fT, confirming suitability for medium-frequency load switching-not RF amplification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −20 V: Maximum safe collector-emitter voltage with base open; defines blocking capability in high-side switch configurations. |
| IC | −6.2 A: Continuous DC collector current rating; sets maximum steady-state load current without derating. |
| RCE(sat) | 23 mΩ typ: Low saturation resistance enables <100 mW conduction loss at −4 A, reducing thermal stress in compact layouts. |
| VCE(sat) | −160 mV max at −6.9 A/−345 mA: Confirmed low-voltage drop ensures >98% efficiency in 12 V battery-switching applications. |
| hFE | 80–210 at −7 A: High current gain allows direct MCU GPIO drive (e.g., 3.3 V/20 mA) without external pre-driver stage. |
| toff | 434 ns: Fast turn-off time supports PWM frequencies up to ~200 kHz in motor/fan control loops. |
| AEC-Q101 | Qualified: Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD22 standards. |
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 enhancement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter (E) | Current exit path; connected to system ground or low-side return in high-side switch topology. |
| 2 | Collector (C) | Main power output terminal; thermally coupled to PCB copper pour via exposed pad for ≤50 K/W Rth(j-sp). |
| 3 | Base (B) | Control input; requires −400 mA pulsed drive for full saturation at −4 A, compatible with logic-level drivers. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | −160 mV max at −6.9 A enables <0.1 W conduction loss-critical for thermally constrained battery systems. |
| AEC-Q101 qualification | Validated for automotive underhood environments (−40 °C to +125 °C ambient, 150 °C Tj) with zero defects in stress testing. |
| High IC capability | −6.2 A continuous rating supports direct driving of 12 V fans, solenoids, and LED arrays without paralleling. |
| Thermal performance | Rth(j-a) = 50 K/W on ceramic PCB allows 2.5 W dissipation at ΔT = 125 K-enabling compact heatsink-free designs. |
| Fast switching | 434 ns toff and 93 ns ton support efficient PWM dimming and motor commutation up to 200 kHz. |
Applications
| Battery-Powered Load Switch | Automotive Power Management |
|---|---|
Use Scenario: Controlling 12 V DC loads (e.g., infotainment backlight, HVAC actuators) in vehicles with strict quiescent current budgets. IC Role / Device Role / Timing Role: High-side PNP switch isolating battery rail from load; driven by microcontroller GPIO with active-low logic. Use Value: −160 mV VCE(sat) limits voltage drop to <1.4% of 12 V supply, preserving load regulation while dissipating <0.1 W at 6 A. | Use Scenario: Managing auxiliary power domains (e.g., telematics module sleep/wake, ADAS sensor bias) in ASIL-B compliant ECUs. IC Role / Device Role / Timing Role: AEC-Q101-qualified discrete switch enabling controlled power sequencing and fault-isolation between subsystems. Use Value: Validated reliability over 150 °C Tj and 2000-cycle temperature cycling ensures >15-year field life in engine bay deployments. |
| USB-C PD Power Path | Industrial Charging Circuit |
Use Scenario: Reverse-polarity protection and load disconnect in USB-C power delivery adapters handling up to 60 W. IC Role / Device Role / Timing Role: PNP-based reverse-voltage blocker placed between input port and buck converter input capacitor. Use Value: −20 V VCEO withstands 20 V transients; 23 mΩ RCE(sat) adds <0.15 V drop at 6.5 A, maintaining PD compliance margins. | Use Scenario: Constant-current charging control for Li-ion packs in portable medical devices requiring precise 4.2 V termination. IC Role / Device Role / Timing Role: Series pass element modulated by op-amp feedback loop to regulate charge current during CC phase. Use Value: 80–210 hFE ensures stable closed-loop gain across temperature; low VCE(sat) minimizes heat in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP low-VCE(sat) transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS40201MZ4T1G | VCEO = −20 V, IC = −4.5 A, RCE(sat) = 35 mΩ typ at −3 A; SOT-223 package. | Lower current rating and higher RCE(sat); larger footprint reduces power density. | Select when board space permits larger thermal pad and lower cost outweighs 30% higher conduction loss. |
| Diodes Incorporated DXT603PNP-13 | VCEO = −20 V, IC = −5 A, VCE(sat) = −200 mV max at −4 A; SOT-89 package, no AEC-Q101 certification. | Higher VCE(sat) increases conduction loss by 25%; lacks automotive qualification. | Acceptable for industrial consumer products where AEC-Q101 is not mandated and 200 mV drop is tolerable. |
Compared with PBSS4021PX, NSS40201MZ4T1G trades 27% lower current and 52% higher RCE(sat) for SOT-223 thermal margin, while DXT603PNP-13 matches package but sacrifices AEC-Q101 validation and adds 25% conduction loss-making PBSS4021PX optimal for space-constrained automotive load switching.
Availability
PBSS4021PX is available at Aetrix Electronics and suitable for battery-driven devices, automotive power management, and industrial charging circuits requiring stable component supply and long-term lifecycle continuity.
Supply support for PBSS4021PX 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-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and energy-efficient power solutions.
PBSS4021PX belongs to Nexperia's "Low VCE(sat) Transistor" product line, engineered specifically for minimizing conduction losses in high-current, thermally constrained switching applications such as automotive body electronics and portable power systems.
FAQ
What is the maximum allowable junction temperature for PBSS4021PX?
The absolute maximum junction temperature (Tj) is 150 °C, validated per IEC 60134 limiting values. Operation above this threshold risks permanent parametric shift or bond-wire failure. Derating curves in Figure 1 confirm 2.5 W total power dissipation is permissible only at Tamb ≤ 25 °C on ceramic PCB; at 100 °C ambient, max power drops to ~1.25 W.
Can PBSS4021PX be used as a direct replacement for an NPN transistor in a circuit?
No-PBSS4021PX is a PNP device with inverted polarity: emitter connects to higher potential, collector to load, and base driven negative relative to emitter. Replacing an NPN requires full schematic revision-including swapping supply/reference nodes and inverting control logic polarity-to maintain correct bias and current flow direction.
Is the SOT89 package lead-free and RoHS-compliant?
Yes, PBSS4021PX uses lead-free terminations and complies with EU RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. The package employs SnAgCu solder finish, and all homogeneous materials meet Annex II substance restrictions, including <1000 ppm brominated flame retardants and <100 ppm cadmium.
What is the recommended PCB layout for optimal thermal performance?
For minimum Rth(j-a), use a 1 cm² copper pour connected directly to pin 2 (collector) on a 4-layer FR4 board with inner ground/power planes. Include ≥6 thermal vias (0.3 mm diameter, 0.8 mm pitch) under the collector pad, filled with conductive epoxy. Avoid solder mask over the collector pad and ensure ≥0.5 mm clearance from adjacent traces to prevent thermal crosstalk.
PBSS4021PX,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 6.2 A
- Voltage - Collector Emitter Breakdown (Max):
- 20 V
- Vce Saturation (Max) @ Ib, Ic:
- 265mV @ 345mA, 6.9A
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 150 @ 4A, 2V
- Power - Max:
- 2.5 W
- Frequency - Transition:
- 105MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89
PBSS4021PX,115 FAQ
1.How can I place an order for PBSS4021PX,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS4021PX,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 PBSS4021PX,115 reliable?
The price and inventory of PBSS4021PX,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4021PX,115 is usually 5 days.
3.What payment methods are accepted for PBSS4021PX,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4021PX,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS4021PX,115?
PBSS4021PX,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS4021PX,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 PBSS4021PX,115?
For technical support, including PBSS4021PX,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4021PX,115 requirements.
6.How does Aetrix verify that PBSS4021PX,115 is sourced from the original manufacturer or authorized distributors?
All PBSS4021PX,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 PBSS4021PX,115 meets industry standards.
7.What is the process for return or replacement of PBSS4021PX,115?
All PBSS4021PX,115 units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4021PX,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 PBSS4021PX,115 part is unused and in its original packaging.
Return procedure for PBSS4021PX,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PBSS4021PX,115 Tags
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