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Nexperia USA Inc. PBSS4160XX
- Part No.:
- PBSS4160XX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
PBSS4160XX.pdf
- Description:
- TRANS NPN 60V 1A SOT-89
- Quantity:
- Payment:
- Shipping:
Inventory:3,341
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Product details
Overview
PBSS4160XX from Nexperia is an AEC-Q101-qualified NPN low-VCE(sat) BISS transistor in SOT89 package, rated for 60 V VCEO, 1 A continuous collector current, and 200 mV typical VCE(sat) at IC = 500 mA / IB = 50 mA. It serves as a high-efficiency switching element in automotive-grade DC-DC converters and battery-powered load drivers.
For engineers reviewing the PBSS4160XX datasheet, PBSS4160XX pinout, PBSS4160XX application, or PBSS4160XX equivalent, this device is selected for low-loss switching in space-constrained 12 V–48 V systems where thermal performance, AEC-Q101 compliance, and sub-0.4 Ω RCE(sat) are critical to system efficiency and reliability.
Technical Context
This BISS transistor integrates optimized base-emitter doping and epitaxial structure to achieve low saturation voltage while maintaining robust hFE (170–360 at IC = 500 mA) and high fT (180 MHz). Its design targets stable gain across −55 °C to 150 °C ambient, with pulse-rated ICM = 2 A enabling short-duration inductive load handling.
The device operates with fixed-base-drive logic compatibility: VBE(sat) ≤ 1.2 V at IC/IB = 10, supporting direct microcontroller GPIO drive without external level-shifting. Thermal resistance Rth(j-a) is 93 K/W with 6 cm² copper pad-critical for sustained 1 A operation in automotive under-hood environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 60 V - Supports 48 V nominal automotive and industrial supply rails with 25 % safety margin. |
| IC | 1 A continuous - Enables direct driving of LED strings, small relays, or fan motors without heatsinking on standard FR4 PCBs. |
| VCE(sat) | 200 mV typ. at IC = 500 mA - Reduces conduction loss to < 100 mW, minimizing self-heating in high-duty-cycle switches. |
| hFE | 170–360 at VCE = 10 V, IC = 500 mA - Ensures reliable saturation with modest base drive (e.g., 3 mA base current suffices for 500 mA collector). |
| RCE(sat) | 0.4 Ω max - Defines on-state power dissipation ceiling (P = I²R), directly impacting thermal design and efficiency calculations. |
| fT | 180 MHz - Supports fast switching (>100 kHz PWM) with minimal gain roll-off in driver stages. |
| AEC-Q101 | Qualified - Validated for automotive applications including engine control modules, body electronics, and ADAS power stages. |
Pinout & Package
SOT89 (SC-62) plastic surface-mount package: 4.5 mm × 2.5 mm × 1.5 mm body, 1.5 mm lead pitch, integrated heat sink tab (pin 2, collector) for enhanced thermal transfer to PCB copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter | Reference node for current return path; tied to ground or low-side reference in common-emitter configurations. |
| 2 | Collector | Main power output terminal; electrically and thermally connected to large PCB copper pour for heat dissipation. |
| 3 | Base | Control input requiring ~50 mA for full saturation; compatible with 3.3 V/5 V logic-level drive when used with appropriate series resistor. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | 200 mV typ. enables >98 % efficiency in 5 V–12 V switching applications, reducing thermal stress on adjacent components. |
| AEC-Q101 qualification | Validated for automotive temperature range (−40 °C to +125 °C ambient) and mechanical stress, supporting Tier-1 production use. |
| High ICM | 2 A peak rating allows safe handling of relay coil kickback, motor startup surges, and capacitor charging transients. |
| Thermal derating support | 1.35 W Ptot with 6 cm² copper pad enables 1 A DC operation at 75 °C ambient without forced cooling. |
| Robust hFE stability | 170–360 gain range over temperature ensures consistent saturation behavior across automotive operating conditions. |
Applications
| DC-DC Converter Switch | Battery Charger Load Switch |
|---|---|
|
Use Scenario: Step-down converter in automotive infotainment power supply delivering 3.3 V/5 V from 12 V battery rail. IC Role / Device Role / Timing Role: Main low-side synchronous rectifier switch operating at 250 kHz PWM frequency. Use Value: 200 mV VCE(sat) limits conduction loss to 100 mW at 500 mA, reducing thermal load on compact PCB layout. |
Use Scenario: Input isolation switch in USB-C PD-compatible 2-cell Li-ion charger managing 5 V–9 V input selection. IC Role / Device Role / Timing Role: High-side enable switch controlling power delivery path before buck controller. Use Value: 60 V VCEO accommodates transient spikes up to ISO 7637-2 Pulse 1/2a, ensuring robustness during load dump events. |
| LCD Backlight Driver | Inductive Load Driver |
|
Use Scenario: Constant-current LED string driver in automotive instrument cluster backlighting (12 V input, 3× white LEDs). IC Role / Device Role / Timing Role: Linear current-regulating pass transistor in analog dimming configuration. Use Value: 1 A IC rating supports up to 800 mA LED current with 200 mV headroom, enabling precise brightness control without external shunt. |
Use Scenario: Relay driver in vehicle door lock actuation module powered from 12 V battery. IC Role / Device Role / Timing Role: Low-side switch interfacing microcontroller GPIO to 12 V relay coil (80 Ω, 150 mA). Use Value: 2 A ICM safely absorbs 5× inrush current during coil energization, eliminating need for snubber diode in space-limited modules. |
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 |
|---|---|---|---|
| ZXTN25040DFH | Higher VCEO (100 V), lower IC (600 mA), TO-252 package | Better suited for 48 V telecom systems; larger footprint limits high-density automotive layouts | Select when higher voltage margin is required and board area permits DPAK mounting. |
| DMT3005LPSQ-13 | Lower VCE(sat) (150 mV), same SOT89, but only 500 mA IC | Optimized for ultra-low-loss 3.3 V/5 V logic-level loads; insufficient for 1 A continuous loads | Prefer for portable electronics where <500 mA current and minimal VCE(sat) dominate over automotive qualification. |
Compared with ZXTN25040DFH and DMT3005LPSQ-13, PBSS4160XX uniquely balances 1 A continuous current, 60 V rating, AEC-Q101 compliance, and SOT89 thermal performance-making it the optimal choice for cost-sensitive, space-constrained automotive power switches requiring proven field reliability.
Availability
PBSS4160XX is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC-DC converters, and consumer LED lighting systems requiring stable component supply and long-term lifecycle assurance.
Supply support for PBSS4160XX 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 discrete and logic devices, with leadership in automotive-qualified components and energy-efficient power solutions.
PBSS4160XX belongs to Nexperia's BISS transistor product line-engineered specifically for high-efficiency, high-reliability switching in automotive and industrial power management applications where low VCE(sat) and AEC-Q101 validation are mandatory.
FAQ
Is PBSS4160XX suitable for high-frequency PWM switching above 500 kHz?
No-its 180 MHz fT and inherent BJT charge storage limit practical switching speed to ≤250 kHz for efficient operation. At higher frequencies, switching losses increase significantly due to prolonged turn-off tail, making MOSFET alternatives more appropriate for >500 kHz SMPS designs.
What is the maximum allowable PCB copper area for thermal optimization?
The datasheet specifies three mounting conditions: standard footprint (no extra copper), 1 cm² collector pad (Rth(j-a) = 132 K/W), and 6 cm² collector pad (Rth(j-a) = 93 K/W). For 1 A continuous operation at 75 °C ambient, ≥6 cm² of 2 oz copper connected to pin 2 is required to maintain Tj ≤ 150 °C.
Does PBSS4160XX require a base resistor when driven by a 3.3 V MCU GPIO?
Yes-a series base resistor is mandatory. With VBE(sat) ≈ 1.2 V and required IB ≈ 50 mA for full saturation at IC = 500 mA, a 47 Ω resistor limits base current to ~45 mA while protecting the GPIO. Omitting it risks MCU damage and inconsistent transistor turn-on.
Can PBSS4160XX replace a standard general-purpose NPN transistor like BC817 in existing designs?
Yes-with caveats: its lower VCE(sat) improves efficiency but requires verifying base drive capability (higher IB needed), and its SOT89 footprint differs from SOT23 packages. Layout redesign and drive circuit validation are necessary; electrical substitution alone is insufficient for drop-in replacement.
PBSS4160XX 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):
- 1 A
- Voltage - Collector Emitter Breakdown (Max):
- 60 V
- Vce Saturation (Max) @ Ib, Ic:
- 200mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 170 @ 500mA, 10V
- Power - Max:
- 1.35 W
- Frequency - Transition:
- 180MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89
PBSS4160XX FAQ
1.How can I place an order for PBSS4160XX through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS4160XX 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 PBSS4160XX reliable?
The price and inventory of PBSS4160XX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4160XX is usually 5 days.
3.What payment methods are accepted for PBSS4160XX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4160XX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS4160XX?
PBSS4160XX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS4160XX 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 PBSS4160XX?
For technical support, including PBSS4160XX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4160XX requirements.
6.How does Aetrix verify that PBSS4160XX is sourced from the original manufacturer or authorized distributors?
All PBSS4160XX 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 PBSS4160XX meets industry standards.
7.What is the process for return or replacement of PBSS4160XX?
All PBSS4160XX units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4160XX, 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 PBSS4160XX part is unused and in its original packaging.
Return procedure for PBSS4160XX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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