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Nexperia USA Inc. BCP53-16T-QX
- Part No.:
- BCP53-16T-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP53-16T-QX.pdf
- Description:
- TRANS PNP 80V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:743
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Product details
Overview
BCP53-16T-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 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 BCP53-16T-QX datasheet, BCP53-16T-QX pinout, BCP53-16T-QX application, or BCP53-16T-QX equivalent, key selection criteria include its AEC-Q101 qualification, thermal performance on FR4 PCBs, pulsed current capability up to −2 A, and guaranteed minimum hFE of 100 for stable biasing in analog and switching circuits.
Technical Context
This PNP transistor operates with open-base collector-emitter breakdown voltage of −80 V and emitter-base breakdown voltage of −5 V, enabling robust operation in 12 V and 24 V automotive supply rails. Its DC current gain is specified under pulsed conditions (tp ≤ 300 μs, duty cycle ≤ 0.02), ensuring stable gain behavior during transient load control.
The device features dual collector terminals (pins 2 and 4) in the SOT223 package to enhance thermal conduction and current handling. Thermal resistance from junction-to-ambient ranges from 70 K/W (4-layer PCB, 1 cm² collector pad) to 209 K/W (standard single-sided FR4), directly supporting design decisions for heatsinking and board layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −80 V - Maximum safe collector-emitter voltage with base open; supports 24 V automotive systems with margin. |
| IC | −1 A - Continuous DC collector current rating; defines maximum steady-state load drive capability. |
| hFE | 100–250 - Guaranteed DC current gain at VCE = −2 V, IC = −150 mA; enables predictable base drive sizing. |
| VCE(sat) | −500 mV max at IC = −500 mA, IB = −50 mA - Low saturation voltage reduces conduction loss in switching applications. |
| Ptot | 1.8 W - Total power dissipation on 4-layer FR4 PCB with 1 cm² collector pad; sets thermal design baseline. |
| fT | 100–140 MHz - Transition frequency at VCE = −5 V, IC = −50 mA; confirms suitability for low-frequency switching and audio amplification. |
| Rth(j-a) | 70 K/W min - Junction-to-ambient thermal resistance with optimized 4-layer PCB layout; critical for thermal reliability. |
Pinout & Package
SOT223 (SC-73) surface-mount plastic package with integrated heatsink tab (pin 4), 4-terminal configuration, and footprint optimized for reflow soldering per Figure 19 in the datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input for forward-active and saturation biasing; requires current-limited drive due to hFE-dependent gain. |
| 2 | Collector | Main high-current output terminal; electrically connected to pin 4 for enhanced thermal and current capacity. |
| 3 | Emiter | Reference node for PNP operation; tied to higher potential rail in high-side switch configurations. |
| 4 | Collector | Dedicated thermal and current path; must be soldered to large copper area for thermal management compliance. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JESD22 standards. |
| Dual collector terminals | Enables parallel current paths and improved thermal spreading via pins 2 and 4, reducing localized heating. |
| Three hFE variants | BCP53-16T-QX offers mid-to-high gain (100–250), balancing drive efficiency and stability vs. lower-gain alternatives. |
| High Ptot on standard PCB | Delivers 1.3 W on single-sided FR4 with 6 cm² collector pad-enabling compact power stage designs without external heatsinks. |
| Low VBE | Typical −1 V at IC = −500 mA - reduces base drive power loss and eases compatibility with 3.3 V/5 V logic-level controllers. |
Applications
| Linear Voltage Regulators | MOSFET Drivers |
|---|---|
|
Use Scenario: Used as the pass transistor in adjustable positive linear regulators (e.g., LM317-based circuits) supplying 3.3 V or 5 V to microcontrollers. IC Role / Device Role / Timing Role: PNP pass element controlling output voltage via emitter-follower configuration with feedback loop compensation. Use Value: Delivers low-noise, ripple-free output with <100 mV dropout at 1 A, leveraging its −500 mV VCE(sat) and stable hFE. |
Use Scenario: Driving the gate of N-channel MOSFETs in half-bridge motor control stages where fast turn-off is required. IC Role / Device Role / Timing Role: Active pull-down switch that rapidly discharges MOSFET gate capacitance during turn-off transitions. Use Value: Achieves <100 ns turn-off delay due to low Cc (7 pF) and high ICM (−2 A), minimizing shoot-through risk. |
| High-Side Switches | Automotive Power Management |
|
Use Scenario: Controlling 12 V loads such as solenoids, relays, or LED arrays in body electronics modules. IC Role / Device Role / Timing Role: High-side switching element placed between battery rail and load, with base driven by microcontroller GPIO through resistor network. Use Value: Supports sustained 1 A load current with <1.5 V total drop (VCE(sat) + IBRB), meeting ISO 16750-2 load-dump immunity requirements. |
Use Scenario: Overvoltage protection and reverse-polarity protection circuits in infotainment head units and ADAS ECUs. IC Role / Device Role / Timing Role: Key component in crowbar or series-pass protection topology, responding to fault conditions within microseconds. Use Value: Withstands −100 V VCBO and −80 V VCEO, providing margin against load dump transients up to ±120 V per ISO 7637-2. |
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 |
|---|---|---|---|
| BCP53-10T-Q | Lower hFE range (63–160) at same test conditions; otherwise identical ratings and package. | Better suited for applications requiring tighter gain tolerance and reduced sensitivity to temperature drift. | Select when base drive current budget is constrained and moderate gain suffices for stable switching thresholds. |
| ZTX951 | TO-92 package, −100 V VCEO, −1.5 A IC, hFE 100–800; no AEC-Q101 qualification. | Lacks automotive qualification and SOT223 thermal performance; limited to industrial or consumer use. | Choose only for non-automotive prototypes or space-constrained through-hole designs where qualification is not required. |
Compared with BCP53-10T-Q, the BCP53-16T-QX provides higher guaranteed hFE for more consistent base drive across temperature, while ZTX951 trades qualification and thermal capability for higher peak current and wider gain range in legacy packaging.
Availability
BCP53-16T-QX is available at Aetrix Electronics and suitable for automotive power management, high-side switching, and linear regulator applications requiring stable component supply, AEC-Q101 compliance, and SMT manufacturability.
Supply support for BCP53-16T-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 leadership in automotive-qualified components and efficient manufacturing.
The BCP53T-Q series belongs to Nexperia's AEC-Q101-qualified medium-power transistor family, designed specifically for robust, thermally efficient switching and linear regulation in 12 V/24 V automotive subsystems.
FAQ
What is the maximum allowable junction temperature for BCP53-16T-QX?
The absolute maximum junction temperature is 150 °C, as defined in Table 6 of the datasheet. Operation above this limit risks permanent degradation of hFE and increased leakage currents. Derating curves in Figure 1 confirm safe power limits decrease linearly above 25 °C ambient, requiring thermal design validation for target operating conditions.
Is BCP53-16T-QX pin-compatible with other SOT223 PNP transistors?
Yes-its pin 1 (base), pin 2 (collector), pin 3 (emitter), and pin 4 (collector) assignment matches JEDEC SC-73 and industry-standard SOT223 layouts. However, electrical parameters like hFE, VCE(sat), and thermal resistance differ across manufacturers, so functional substitution requires verification against circuit bias and thermal constraints.
Does BCP53-16T-QX support pulse-width modulation (PWM) switching?
Yes-it is rated for peak collector current of −2 A with pulse width ≤ 1 ms, and exhibits typical transition frequency of 100–140 MHz. Its low Cc (7 pF) and fast VBE/VCE(sat) response enable clean PWM edges up to ~100 kHz in power stage applications, provided base drive strength and PCB layout minimize parasitic inductance.
How does the dual-collector configuration affect PCB layout?
Pins 2 and 4 are internally connected to the same collector node and share the thermal pad. The datasheet recommends connecting both to a common, thermally optimized copper pour-minimum 1 cm² for 4-layer boards-to achieve the 70 K/W Rth(j-a). Separating them or routing only one degrades thermal performance and may cause current imbalance under high-load conditions.
BCP53-16T-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BCP53T-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:
- 600 mW
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
BCP53-16T-QX FAQ
1.How can I place an order for BCP53-16T-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP53-16T-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 BCP53-16T-QX reliable?
The price and inventory of BCP53-16T-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53-16T-QX is usually 5 days.
3.What payment methods are accepted for BCP53-16T-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53-16T-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP53-16T-QX?
BCP53-16T-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP53-16T-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 BCP53-16T-QX?
For technical support, including BCP53-16T-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53-16T-QX requirements.
6.How does Aetrix verify that BCP53-16T-QX is sourced from the original manufacturer or authorized distributors?
All BCP53-16T-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 BCP53-16T-QX meets industry standards.
7.What is the process for return or replacement of BCP53-16T-QX?
All BCP53-16T-QX units undergo pre-shipment inspection (PSI). If there is an issue with BCP53-16T-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 BCP53-16T-QX part is unused and in its original packaging.
Return procedure for BCP53-16T-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCP53-16T-QX Tags
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