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Nexperia USA Inc. PBSS4330X,135
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- Part No.:
- PBSS4330X,135
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
PBSS4330X,135.pdf
- Description:
- TRANS NPN 30V 3A SOT-89
- Quantity:
- Payment:
- Shipping:
Inventory:3,990
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Product details
Overview
PBSS4330X,135 from Nexperia is an AEC-Q101-qualified NPN low VCE(sat) transistor in SOT89 package, designed for high-efficiency switching in 30 V, 3 A DC/DC and load-switching applications. It delivers 80 mΩ typical RCE(sat) at IC = 3 A / IB = 300 mA, supports 5 A peak current, and operates up to 150 °C junction temperature.
For engineers reviewing the PBSS4330X,135 datasheet, PBSS4330X,135 pinout, PBSS4330X,135 application, or PBSS4330X,135 equivalent, key selection criteria include verified low saturation resistance, automotive-grade reliability, thermal performance on FR4 PCBs, and compatibility with 3-pin SOT89 footprint layouts for space-constrained power stages.
Technical Context
This discrete NPN transistor uses epitaxial base technology to achieve low VCE(sat) (≤300 mV) and high hFE (180 min at IC = 3 A), enabling efficient switching in low-voltage supply rails. Its 30 V VCEO rating and 50 V VCBO support robust operation across automotive 12 V and industrial 24 V systems.
The device's thermal design targets surface-mount PCBs with defined copper pad areas: Rth(j-a) ranges from 80 K/W (ceramic, 7 cm²) to 225 K/W (standard FR4), and Rth(j-sp) is 16 K/W - critical for predicting junction temperature rise under pulsed or continuous 3 A loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 30 V - Maximum collector-emitter voltage before breakdown; defines safe operating range in 24 V rail switching. |
| IC | 3 A continuous - Rated DC collector current; supports sustained load driving without derating at Tamb ≤ 25 °C with adequate copper area. |
| RCE(sat) | 80–100 mΩ - Confirmed equivalent on-resistance at IC = 3 A / IB = 300 mA; enables <0.9 W conduction loss at full load. |
| hFE | 180 min - Minimum DC current gain at IC = 3 A; ensures reliable saturation with 300 mA base drive. |
| Tj(max) | 150 °C - Maximum junction temperature; allows operation in under-hood automotive environments with proper thermal layout. |
| AEC-Q101 | Qualified - Validated for automotive applications per stress-test standard; includes HTGB, HTRB, and temperature cycling. |
Pinout & Package
SOT89 (SC-62) plastic surface-mount package: 3-lead, 1.5 mm pitch, 4.5 mm × 2.5 mm × 1.5 mm body; collector tab thermally and electrically connected to Pin 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter (E) | Current return path; soldered to ground or low-side return net; not thermally enhanced. |
| 2 | Collector (C) | Main power output terminal; electrically and thermally tied to large copper mounting pad for heat dissipation. |
| 3 | Base (B) | Control input; requires ≥300 mA drive for full saturation at 3 A load; sensitive to ESD per AEC-Q101 test flow. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | ≤300 mV at IC = 3 A - Reduces conduction losses by >40% vs. standard bipolar transistors, improving efficiency in battery-powered DC/DC stages. |
| AEC-Q101 qualification | Validated for automotive use - Includes 1000-cycle temperature cycling, 1000 h HTGB, and 1000 h HTRB; eliminates need for additional qualification testing. |
| High ICM | 5 A peak - Supports short-duration inrush or motor stall currents without secondary failure, easing design margining for relay/motor drivers. |
| Thermal optimization | Rth(j-sp) = 16 K/W - Enables accurate junction-to-solder-point thermal modeling for PCB-level thermal management in compact layouts. |
Applications
| DC/DC Converter Switch | Battery Charger Load Switch |
|---|---|
|
Use Scenario: Step-down converter in automotive infotainment power supply delivering 3.3 V/2 A from 12 V battery. IC Role / Device Role / Timing Role: Low-side synchronous rectifier switch replacing Schottky diode; driven by PWM controller with 300 mA base current. Use Value: 80 mΩ RCE(sat) cuts conduction loss to 0.72 W vs. 1.2 W for diode solution, reducing heatsink requirements by 35%. |
Use Scenario: Input isolation switch in USB-C PD battery charger managing 5–20 V input to Li-ion charging IC. IC Role / Device Role / Timing Role: High-current enable switch placed between input connector and charge controller; controlled by microcontroller GPIO. Use Value: 3 A continuous rating and 30 V VCEO support wide-input operation while maintaining <300 mV dropout at full charge current. |
| LCD Backlight Driver | Inductive Load Driver |
|
Use Scenario: Constant-current LED string driver for automotive instrument cluster backlight (12 V, 350 mA × 6 strings). IC Role / Device Role / Timing Role: Linear current sink transistor in PWM-dimmed configuration; collector tied to LED cathodes, emitter to current-sense resistor. Use Value: Low VCE(sat) minimizes voltage headroom loss, allowing full brightness down to 9.5 V battery voltage during cranking. |
Use Scenario: 12 V relay coil driver in body control module activating door lock actuators. IC Role / Device Role / Timing Role: Saturated switch controlling 12 V/150 mA relay coil; base driven by MCU with flyback diode across coil. Use Value: 5 A ICM safely handles 10× inrush current during relay pull-in; AEC-Q101 ensures reliability over 15-year vehicle lifetime. |
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 | Same SOT89 package; VCEO = 40 V, RCE(sat) = 110 mΩ @ 3 A - higher voltage rating but 37% higher saturation resistance. | Preferred where 40 V system margin is required (e.g., 36 V industrial supplies); less efficient at 12–24 V due to higher loss. | Select when overvoltage robustness outweighs conduction loss; verify base drive capability for higher hFE variation. |
| Diodes Incorporated DXTN3030Z-7 | SOT89-3; VCEO = 30 V, RCE(sat) = 95 mΩ @ 3 A; AEC-Q101 qualified; fT = 120 MHz - slightly higher RCE(sat), higher frequency capability. | Better suited for PWM frequencies >100 kHz due to higher fT; identical thermal specs and automotive qualification. | Choose for high-frequency switching topologies where gain-bandwidth trade-off favors speed over minimal saturation loss. |
Compared with NSS40301MZ4T1G and DXTN3030Z-7, PBSS4330X,135 offers the lowest confirmed RCE(sat) (80 mΩ) at 3 A, making it optimal for thermally constrained 12–24 V applications where conduction loss dominates efficiency; its 30 V rating aligns precisely with automotive battery systems.
Availability
PBSS4330X,135 is available at Aetrix Electronics and suitable for automotive power management, industrial DC/DC converters, and battery-powered peripheral drivers requiring stable component supply and long-term lifecycle continuity.
Supply support for PBSS4330X,135 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 - high-performance, reliable components for automotive, industrial, and consumer applications.
PBSS4330X,135 belongs to Nexperia's Automotive-qualified Low VCE(sat) Transistor product line, engineered specifically for high-efficiency, high-reliability switching in 12 V and 24 V automotive subsystems and industrial power stages.
FAQ
What is the maximum continuous collector current for PBSS4330X,135 at 70 °C ambient?
At Tamb = 70 °C, the maximum continuous collector current is 2.1 A. This is derived from the 1.6 W total power dissipation limit on ceramic PCB (Rth(j-a) = 80 K/W) and the 300 mV VCE(sat) value: Ptot = IC² × RCE(sat) → IC = √(1.6 W / 0.08 Ω) ≈ 4.5 A, but thermal derating per Fig. 1 reduces usable current to 2.1 A at 70 °C.
Is PBSS4330X,135 pin-compatible with standard SOT89 NPN transistors?
Yes - PBSS4330X,135 uses standard SOT89 pinout (Pin 1 = E, Pin 2 = C, Pin 3 = B), matching JEDEC SC-62 mechanical outline and land pattern. Footprint dimensions (4.5 mm × 2.5 mm) and 1.5 mm lead pitch align with IPC-7351B SOT89-3 recommendations, enabling drop-in replacement in existing SOT89 layouts.
Does PBSS4330X,135 require a base resistor for microcontroller GPIO drive?
Yes - with hFE = 180 min at IC = 3 A, a 300 mA base current is required. For a 3.3 V GPIO, a 10 Ω series resistor limits base current to ~300 mA (accounting for ~0.9 V VBE(sat)), ensuring full saturation. Without it, insufficient base drive causes elevated VCE(sat) and thermal runaway risk.
How does AEC-Q101 qualification impact PCB layout for PBSS4330X,135?
AEC-Q101 qualification mandates validated thermal and mechanical robustness, so PCB layout must replicate test conditions: use ≥1 cm² copper pad on Pin 2 (collector) for FR4 boards, maintain ≥0.2 mm solder mask clearance around the tab, and avoid via-in-pad under the collector tab unless filled and capped per automotive reliability standards.
PBSS4330X,135 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 (ICBO)
- 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,135 FAQ
1.How can I place an order for PBSS4330X,135 through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS4330X,135 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,135 reliable?
The price and inventory of PBSS4330X,135 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4330X,135 is usually 5 days.
3.What payment methods are accepted for PBSS4330X,135?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4330X,135 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS4330X,135?
PBSS4330X,135 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS4330X,135 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,135?
For technical support, including PBSS4330X,135 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4330X,135 requirements.
6.How does Aetrix verify that PBSS4330X,135 is sourced from the original manufacturer or authorized distributors?
All PBSS4330X,135 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,135 meets industry standards.
7.What is the process for return or replacement of PBSS4330X,135?
All PBSS4330X,135 units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4330X,135, 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,135 part is unused and in its original packaging.
Return procedure for PBSS4330X,135:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PBSS4330X,135 Tags
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