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Nexperia USA Inc. BC52-16PASX
- Part No.:
- BC52-16PASX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- 3-UDFN Exposed Pad
- Datasheet:
-
BC52-16PASX.pdf
- Description:
- TRANS PNP 60V 1A DFN2020D-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,980
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Product details
Overview
BC52-16PASX from Nexperia is a PNP medium power transistor in DFN2020D-3 (SOT1061D) package, rated for −60 V VCEO, −1 A continuous collector current, and 100–250 hFE at VCE = −2 V / IC = −150 mA. It serves as a high-side switch or MOSFET driver in compact power management circuits requiring AEC-Q101 qualification and thermal efficiency.
For engineers reviewing the BC52-16PASX datasheet, BC52-16PASX pinout, BC52-16PASX application, or BC52-16PASX equivalent, this device is selected for linear voltage regulation, battery-powered load switching, and automotive-grade amplifier stages where low-profile SMD mounting and side-wettable flanks support AOI and reflow reliability.
Technical Context
This PNP bipolar junction transistor operates with emitter-grounded configuration and supports DC switching and analog amplification. Its base-emitter turn-on voltage is −1 V typical at −500 mA, and saturation voltage is ≤ −500 mV at IC/IB = 10, enabling efficient conduction in high-side configurations.
The device features an exposed collector pad for direct thermal coupling to PCB copper, delivering Rth(j-a) as low as 76 K/W on 4-layer FR4 with 1 cm² collector pad. Its fT of 145 MHz and Cc of 15 pF support stable operation up to mid-frequency signal conditioning tasks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −60 V - Maximum safe collector-emitter reverse bias before breakdown; enables use in 48 V automotive systems. |
| IC (continuous) | −1 A - Continuous collector current rating; supports medium-power switching without forced cooling. |
| hFE | 100–250 at VCE = −2 V, IC = −150 mA - High, tightly binned current gain ensures predictable base drive sizing. |
| VCE(sat) | ≤ −500 mV at IC = −500 mA, IB = −50 mA - Low saturation voltage minimizes conduction loss in high-side switch applications. |
| fT | 145 MHz - Transition frequency confirms suitability for audio-frequency amplification and fast-switching control loops. |
| Rth(j-a) | 76 K/W (4-layer PCB, 1 cm² collector pad) - Enables >1 W dissipation at ambient ≤85 °C without heatsink. |
Pinout & Package
Package: DFN2020D-3 (SOT1061D), ultra-thin 2.0 mm × 2.0 mm × 0.65 mm leadless plastic package with side-wettable flanks and exposed collector thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base (B) | Control terminal; accepts negative base current to enable PNP conduction; requires current-limiting resistor in series. |
| 2 | Emitter (E) | Common reference node; connected to system ground or higher potential rail depending on topology; carries full load current. |
| 3 | Collector (C) | Power output terminal; electrically and thermally tied to exposed bottom pad; connects to load or supply rail in high-side configuration. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood environments per stress test standard; supports Tier-1 production without additional qualification. |
| Side-wettable flanks | Enables automated optical inspection (AOI) of solder joints on all three terminals, improving manufacturing yield and field reliability. |
| Exposed collector pad | Provides dual-path thermal conduction-directly into PCB copper-reducing junction-to-ambient resistance by up to 55% vs. standard SOT packages. |
| Two hFE bins | BC52-16PAS offers 100–250 hFE (vs. BC52-10PAS: 63–160); allows precise gain matching in parallel or feedback-critical designs. |
Applications
| Linear Voltage Regulators | Battery-Driven Devices |
|---|---|
|
Use Scenario: Pass transistor in adjustable LDOs supplying 3.3 V/1 A to microcontrollers from 12 V battery input. IC Role / Device Role / Timing Role: PNP pass element operating in active region; regulates output via feedback-controlled base current. Use Value: Low VCE(sat) reduces dropout voltage; high hFE minimizes base drive loss; AEC-Q101 ensures regulator stability in automotive start-stop cycles. |
Use Scenario: Load switch enabling/disabling power to Bluetooth modules in portable medical sensors. IC Role / Device Role / Timing Role: High-side switch controlled by MCU GPIO; turns on/off 500 mA sensor rail. Use Value: Ultra-small DFN2020D footprint saves board space; side-wettable flanks ensure solder joint integrity after repeated thermal cycling. |
| MOSFET Drivers | Power Management |
|
Use Scenario: Level-shifting stage driving N-channel high-side MOSFET gate in buck converter auxiliary bias supply. IC Role / Device Role / Timing Role: Inverting PNP buffer providing fast turn-off current path for MOSFET gate discharge. Use Value: 145 MHz fT supports <100 ns switching transitions; low Cc prevents Miller-induced oscillation during gate drive edge transitions. |
Use Scenario: Current-sense amplifier front-end in smart battery protection ICs monitoring charge/discharge paths. IC Role / Device Role / Timing Role: Transimpedance gain stage converting sense resistor voltage into amplified output for ADC input. Use Value: Tight hFE bin (100–250) ensures consistent gain across units; low VBE drift over temperature improves measurement accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP medium power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC52-10PAS | Lower hFE range (63–160) and same VCEO/IC ratings. | Suitable where lower gain tolerance is acceptable and base drive margin is ample. | Select when cost sensitivity outweighs need for tight gain control in feedback loops. |
| MBT3906DW1T1G | Same SOT-363 package but lower IC (−200 mA), lower VCEO (−40 V), and no AEC-Q101 qualification. | Limited to non-automotive consumer or industrial logic-level switching. | Choose only for space-constrained non-automotive designs where thermal performance and voltage headroom are secondary. |
Compared with BC52-10PAS and MBT3906DW1T1G, BC52-16PASX delivers superior gain consistency for precision current control, automotive qualification for harsh environments, and 2× higher power dissipation capability due to its thermally enhanced DFN2020D package.
Availability
BC52-16PASX is available at Aetrix Electronics and suitable for linear voltage regulators, battery-driven devices, and MOSFET drivers requiring stable component supply, AEC-Q101 compliance, and high thermal reliability in compact layouts.
Supply support for BC52-16PASX 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 efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.
BC52-16PASX belongs to the BC52xPAS medium power PNP transistor family, engineered for space-constrained, thermally demanding applications such as automotive power management and high-reliability portable electronics.
FAQ
What is the maximum allowable junction temperature for BC52-16PASX?
The absolute maximum junction temperature is 150 °C per IEC 60134 limiting values. Operation above this threshold risks permanent degradation of hFE and increased leakage. Derating curves in the datasheet show usable power dissipation drops to zero at 150 °C ambient when mounted on standard FR4, so thermal design must maintain Tj ≤ 145 °C under worst-case load and ambient conditions.
Is BC52-16PASX compatible with lead-free reflow profiles?
Yes-BC52-16PASX is qualified for standard IPC/JEDEC J-STD-020D.3 lead-free reflow, with peak temperature up to 260 °C for ≤ 30 seconds. The DFN2020D-3 package uses matte tin-plated side-wettable flanks and passes MSL1 classification, eliminating pre-bake requirements and supporting single-pass assembly.
How does the exposed collector pad affect PCB layout?
The exposed collector pad (Pin 3) must be connected to a dedicated copper pour ≥1 cm² on the top layer, thermally vias to inner ground/power planes, and no solder mask over the pad area. This layout achieves Rth(j-a) = 76 K/W; omitting the pour or blocking vias raises thermal resistance by >200%, risking thermal runaway at >0.5 W dissipation.
Can BC52-16PASX replace BC557 in existing designs?
No-BC557 is a TO-92 through-hole PNP with VCEO = −45 V, IC = −100 mA, and no AEC-Q101 rating. BC52-16PASX has higher voltage/current ratings but requires SMD layout redesign, different pinout (DFN vs. TO-92), and thermal pad integration. Direct replacement is not mechanically or thermally feasible without board revision.
BC52-16PASX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 3-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 1 A
- Voltage - Collector Emitter Breakdown (Max):
- 60 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 63 @ 150mA, 2V
- Power - Max:
- 420 mW
- Frequency - Transition:
- 145MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN2020D-3
BC52-16PASX FAQ
1.How can I place an order for BC52-16PASX through Aetrix?
Please submit a Request for Quotation (RFQ) for BC52-16PASX 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 BC52-16PASX reliable?
The price and inventory of BC52-16PASX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC52-16PASX is usually 5 days.
3.What payment methods are accepted for BC52-16PASX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC52-16PASX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC52-16PASX?
BC52-16PASX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC52-16PASX 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 BC52-16PASX?
For technical support, including BC52-16PASX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC52-16PASX requirements.
6.How does Aetrix verify that BC52-16PASX is sourced from the original manufacturer or authorized distributors?
All BC52-16PASX 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 BC52-16PASX meets industry standards.
7.What is the process for return or replacement of BC52-16PASX?
All BC52-16PASX units undergo pre-shipment inspection (PSI). If there is an issue with BC52-16PASX, 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 BC52-16PASX part is unused and in its original packaging.
Return procedure for BC52-16PASX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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