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Nexperia USA Inc. BCP53-16-QX
- Part No.:
- BCP53-16-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP53-16-QX.pdf
- Description:
- TRANS PNP 80V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
BCP53-16-QX from Nexperia is a PNP medium-power bipolar junction transistor in SOT223 (SC-73) package, rated for −80 V VCEO, −1 A continuous collector current, and 100–250 DC current gain (hFE) at VCE = −2 V and IC = −150 mA. It serves as a high-side switch or linear regulator pass element in automotive power management systems.
For engineers reviewing the BCP53-16-QX datasheet, BCP53-16-QX pinout, BCP53-16-QX application, or BCP53-16-QX equivalent, this page delivers verified electrical parameters, thermal derating behavior, AEC-Q101 qualification status, and validated SOT223 mounting guidance for production-grade design-in.
Technical Context
This PNP transistor operates with open-base collector-emitter breakdown voltage of −80 V and emitter-base breakdown of −5 V, supporting robust operation in negative-rail switching and regulation topologies. Its pulsed peak collector current rating of −2 A enables short-duration load handling in battery protection circuits.
Thermal performance depends on PCB copper area: Rth(j-a) ranges from 93 K/W (6 cm² collector pad) to 192 K/W (standard footprint), directly impacting safe operating area under sustained DC or repetitive pulse loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −80 V - Maximum allowable collector-emitter voltage with base open; defines safe blocking capability in high-side configurations. |
| IC (continuous) | −1 A - Continuous DC collector current limit; sets maximum steady-state load drive capacity without forced cooling. |
| hFE | 100–250 at VCE = −2 V, IC = −150 mA - Confirmed DC current gain range enabling predictable base drive sizing for linear or saturated switching. |
| VCE(sat) | ≤ −0.5 V at IC = −500 mA, IB = −50 mA - Verified saturation voltage defining conduction loss and thermal rise in switched-mode applications. |
| fT | 145 MHz - Transition frequency confirming usable bandwidth for low-frequency switching (≤100 kHz) and analog amplification up to ~10 MHz. |
| Ptot (max) | 1.35 W with 6 cm² collector pad - Absolute maximum power dissipation under optimized PCB heatsinking; derates linearly above 25 °C ambient. |
| Rth(j-a) | 93 K/W (6 cm² pad) - Junction-to-ambient thermal resistance used to calculate temperature rise: ΔT = P × Rth. |
Pinout & Package
SOT223 (SC-73) surface-mount plastic package with 4 leads, 2.3 mm pitch, and 6.5 mm × 3.5 mm × 1.65 mm body dimensions; lead 4 is internally connected to lead 2 (collector) for enhanced thermal conduction to PCB.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control terminal requiring current-limited drive; polarity-sensitive for PNP turn-on (negative base current relative to emitter). |
| 2 | Collector | Main current-carrying terminal tied to higher potential rail in high-side switch configuration; electrically and thermally coupled to pin 4. |
| 3 | Emitter | Reference terminal connected to system ground or load return path; establishes voltage reference for base biasing. |
| 4 | Collector | Duplicate collector connection providing additional thermal mass and current-handling capacity; must be soldered to large copper pour. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications per stress test standard, including temperature cycling, HTRB, and ESD testing. |
| Three hFE bins | BCP53-16-QX provides 100–250 gain range, enabling precise current mirror matching or consistent base drive across production batches. |
| High power dissipation | 1.35 W max with 6 cm² copper pad supports >500 mA continuous loads without external heatsink in space-constrained modules. |
| SOT223 thermal enhancement | Exposed collector pads (pins 2 & 4) allow direct thermal coupling to PCB, reducing junction-to-board resistance by up to 40% vs. standard SOT-23. |
Applications
| Linear Voltage Regulators | High-Side Switches |
|---|---|
Use Scenario: Adjustable positive-output LDO using PNP pass transistor with feedback control loop. IC Role / Device Role / Timing Role: Pass element regulating output voltage by modulating collector-emitter conduction in linear mode. Use Value: Low VCE(sat) (≤−0.5 V) minimizes dropout voltage and improves efficiency at 1 A load currents. |
Use Scenario: 12 V automotive load switching where microcontroller GPIO drives base through current-limiting resistor. IC Role / Device Role / Timing Role: High-side power switch controlling power delivery to solenoids, relays, or lighting modules. Use Value: −80 V VCEO withstands load-dump transients up to ISO 7637-2 Pulse 5a, ensuring system reliability. |
| Battery-Driven Devices | MOSFET Drivers |
Use Scenario: Reverse-polarity protection and battery disconnect in portable medical instruments or handheld tools. IC Role / Device Role / Timing Role: Series PNP switch placed between battery anode and system input to block reverse current flow. Use Value: −5 V VEBO rating allows safe operation with common 3.3 V/5 V logic-level base drive referenced to battery ground. |
Use Scenario: Level-shifting driver stage for N-channel high-side MOSFETs in half-bridge motor controllers. IC Role / Device Role / Timing Role: Active pull-down device accelerating MOSFET gate discharge during turn-off transitions. Use Value: 145 MHz fT ensures fast switching response (<100 ns rise/fall) for PWM frequencies up to 50 kHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP medium-power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BCP53-10-Q | hFE = 63–160 (lower mid-range gain bin); identical VCEO, IC, package, and AEC-Q101 qualification. | Suitable where lower base drive sensitivity is acceptable, e.g., fixed-gain amplifier stages or less critical switching timing. | Select when tighter hFE tolerance is unnecessary and cost optimization is prioritized over gain consistency. |
| BCP56-16 | NPN complement with +80 V VCEO, +1 A IC, same SOT223 package but opposite polarity; not AEC-Q101 qualified. | Used in low-side switching or complementary push-pull output stages where automotive qualification is not required. | Choose only for non-automotive designs needing matched NPN counterpart; lacks automotive reliability validation. |
Compared with BCP53-10-Q, the BCP53-16-QX offers higher minimum hFE (100 vs. 63), improving base drive margin in low-current control loops; versus BCP56-16, it provides AEC-Q101 compliance and PNP topology essential for high-side rail control.
Availability
BCP53-16-QX is available at Aetrix Electronics and suitable for automotive power management, industrial linear regulators, and battery protection circuits requiring stable component supply and long-term lifecycle support.
Supply support for BCP53-16-QX 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 manufacturing rooted in process technology leadership and automotive-grade quality systems.
The BCP53-Q series belongs to Nexperia's AEC-Q101-qualified medium-power transistor product line, engineered specifically for robustness in automotive power distribution, linear regulation, and interface driver applications.
FAQ
What is the maximum junction temperature for BCP53-16-QX?
The absolute maximum junction temperature is 150 °C, as defined in the limiting values table. Operation above this threshold risks permanent parametric shift or catastrophic failure. Derating curves in Figure 1 show that full 1.35 W power dissipation is only permissible at Tamb ≤ 25 °C with 6 cm² copper pad.
Is BCP53-16-QX pin-compatible with other SOT223 PNP transistors?
Yes-its 4-pin SOT223 (SC-73) outline matches industry-standard footprints, including pins 1 (base), 2 & 4 (collector), and 3 (emitter). However, thermal performance and hFE binning differ across manufacturers; always verify Rth(j-a) and gain range before substitution.
Does BCP53-16-QX require a heatsink in typical applications?
No external heatsink is required if mounted per Nexperia's recommended layout: pins 2 and 4 soldered to ≥6 cm² copper area on FR4 PCB. With that, junction temperature rise remains within limits at 1 A DC load and 25 °C ambient; smaller pads necessitate derating.
How does the AEC-Q101 qualification impact BCP53-16-QX usage?
AEC-Q101 qualification confirms successful completion of stress tests including HTGB, HTRB, temperature cycling, and ESD (HBM ≥2 kV), making it suitable for automotive powertrain, body electronics, and ADAS subsystems where field reliability is mandated.
BCP53-16-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BCP53-Q
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 1 A
- Voltage - Collector Emitter Breakdown (Max):
- 80 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 150mA, 2V
- Power - Max:
- 650 mW
- Frequency - Transition:
- 145MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
BCP53-16-QX FAQ
1.How can I place an order for BCP53-16-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP53-16-QX 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 BCP53-16-QX reliable?
The price and inventory of BCP53-16-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53-16-QX is usually 5 days.
3.What payment methods are accepted for BCP53-16-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53-16-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP53-16-QX?
BCP53-16-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP53-16-QX 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 BCP53-16-QX?
For technical support, including BCP53-16-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53-16-QX requirements.
6.How does Aetrix verify that BCP53-16-QX is sourced from the original manufacturer or authorized distributors?
All BCP53-16-QX 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 BCP53-16-QX meets industry standards.
7.What is the process for return or replacement of BCP53-16-QX?
All BCP53-16-QX units undergo pre-shipment inspection (PSI). If there is an issue with BCP53-16-QX, 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 BCP53-16-QX part is unused and in its original packaging.
Return procedure for BCP53-16-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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