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Nexperia USA Inc. PDTC143XM,315
- Part No.:
- PDTC143XM,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PDTC143XM,315.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT883
- Quantity:
- Payment:
- Shipping:
Inventory:8,000
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Product details
Overview
PDTC143XM from Nexperia is an NPN resistor-equipped transistor (RET) in a leadless ultra-small SOT883 (SC-101) package, designed for digital switching applications with 100 mA output current capability, 4.7 kΩ input bias resistor (R1), and R2/R1 ratio of 2.1 - used to drive IC inputs and low-power loads in space-constrained automotive and industrial control modules.
For engineers reviewing the PDTC143XM datasheet, PDTC143XM pinout, PDTC143XM application, or PDTC143XM equivalent, this page delivers verified electrical parameters, thermal derating behavior, AEC-Q101 qualification status, and real-world switching use cases - all grounded in Nexperia's official 2011 product data sheet Rev. 11.
Technical Context
This RET integrates a monolithic NPN transistor with two precision on-die bias resistors (R1 = 4.7 kΩ, R2 = 10 kΩ) to enable direct logic-level interfacing without external base components. Its internal resistor network sets fixed current gain and ensures predictable turn-on/turn-off thresholds across temperature.
Designed for reflow-only assembly on FR4 PCBs, it operates within −65 °C to +150 °C ambient range and achieves 250 mW total power dissipation at 25 °C, with junction-to-ambient thermal resistance of 500 K/W under specified copper layout conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; supports 24 V industrial bus switching with margin. |
| IO | 100 mA - Continuous output current rating; sufficient for driving LED indicators, small relays, or logic gate inputs. |
| R1 | 4.7 kΩ - Input bias resistor value; sets base current for defined saturation at standard logic-high levels (e.g., 3.3 V or 5 V). |
| R2/R1 ratio | 2.1 - Fixed feedback resistor ratio enabling stable DC current gain and reducing sensitivity to transistor hFE variation. |
| Ptot | 250 mW - Total power dissipation at Tamb = 25 °C; defines maximum continuous switching load under standard PCB layout. |
| VI(on) | 1.5 V (typ.) - On-state input voltage at IC = 20 mA; confirms reliable activation from 1.8 V or higher logic families. |
| fT | 230 MHz - Transition frequency of internal transistor; indicates fast switching capability suitable for <100 ns pulse applications. |
Pinout & Package
SOT883 (SC-101) is a leadless ultra-small plastic package measuring 1.0 × 0.6 × 0.5 mm, optimized for high-density PCB layouts and automated reflow assembly only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base) | Connected internally to R1; accepts logic-level control signal directly without external pull-up or series resistor. |
| 2 | GND (emitter) | Emitter terminal tied to ground reference; serves as common return path for both input and output currents. |
| 3 | Output (collector) | Switched output node; sinks up to 100 mA when active, compatible with open-collector interface requirements. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Monolithic R1 = 4.7 kΩ and R2 = 10 kΩ eliminate need for two external resistors, reducing BOM count and layout area. |
| AEC-Q101 qualification | Qualified per Automotive Electronics Council stress test standard, enabling use in engine control, body electronics, and ADAS subsystems. |
| Leadless ultra-small footprint | SOT883 package (1.0 × 0.6 mm) enables placement in tight spaces where SOT23 or SOT323 are too large. |
| Reflow-only assembly | Specified for reflow soldering only; eliminates wave soldering compatibility concerns and ensures consistent thermal profile compliance. |
| Low VCE(sat) | 100 mV max at IC = 10 mA / IB = 0.5 mA - minimizes conduction loss and self-heating during sustained on-state operation. |
Applications
| Automotive Body Control Module | Industrial Sensor Interface |
|---|---|
Use Scenario: Switching LED status indicators and small solenoids in door module PCBs with limited board area. IC Role / Device Role / Timing Role: Digital switch controlling 24 V loads via microcontroller GPIO pins. Use Value: Eliminates discrete base resistor pair, reduces component count by two per channel, and meets AEC-Q101 reliability requirements. |
Use Scenario: Level-shifting and buffering analog sensor outputs into ADC inputs of PLC I/O cards. IC Role / Device Role / Timing Role: Signal conditioning switch isolating sensitive analog paths from noisy digital domains. Use Value: Provides predictable VI(on)/VI(off) thresholds (1.5 V / 0.9 V typ.) ensuring clean logic transitions across −40 °C to +100 °C. |
| Consumer Appliance Control Board | Medical Diagnostic Equipment |
Use Scenario: Driving buzzer and relay coils in smart thermostat mainboards using 3.3 V MCU outputs. IC Role / Device Role / Timing Role: Low-side load switch activated by microcontroller I/O with integrated current limiting. Use Value: Delivers 100 mA sink capability with <100 mV saturation voltage, minimizing heat generation in sealed enclosures. |
Use Scenario: Enabling/disabling power to isolated communication interfaces (e.g., RS-485 transceivers) in portable diagnostic devices. IC Role / Device Role / Timing Role: Power sequencing switch ensuring controlled startup and shutdown of peripheral ICs. Use Value: Stable R2/R1 ratio (2.1) maintains consistent turn-on behavior across production lots and temperature extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN resistor-equipped transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PDTC143XT | SOT23 package (3.0 × 1.4 mm); 250 mW Ptot; same R1/R2 values and electrical specs. | Larger footprint allows easier manual rework and wave soldering compatibility - not reflow-only. | Select when board layout permits larger package and legacy assembly processes are used. |
| BC847B | Standard NPN BJT (no built-in resistors); requires external base resistor network; hFE = 200–450 (vs. fixed gain via R1/R2). | Higher design flexibility but increases component count and sensitivity to hFE variation across temperature. | Select when precise gain control is unnecessary and discrete resistor optimization is preferred. |
Compared with PDTC143XM, PDTC143XT offers identical electrical performance in a larger, more serviceable package, while BC847B provides raw transistor behavior requiring external biasing - making PDTC143XM optimal for miniaturized, high-reliability digital switching where BOM reduction and AEC-Q101 compliance are critical.
Availability
PDTC143XM is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and consumer appliance control boards requiring stable component supply and long-term lifecycle support.
Supply support for PDTC143XM 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 leader in discrete, logic, and PowerMOS semiconductors, formed in 2017 from the former NXP Standard Products business and focused on automotive, industrial, computing, and consumer markets.
PDTC143XM belongs to Nexperia's resistor-equipped transistor (RET) family, engineered specifically to replace discrete BJT + resistor combinations in digital switching applications - prioritizing space savings, AEC-Q101 reliability, and simplified PCB layout.
FAQ
Is PDTC143XM compatible with lead-free reflow processes?
Yes - PDTC143XM is qualified for reflow soldering only, with JEDEC J-STD-020-compliant thermal profiles. Its SOT883 package uses matte tin terminations and withstands peak temperatures up to 260 °C. Wave soldering is not recommended due to its leadless construction and thermal limitations.
What is the maximum operating temperature for continuous use?
The device supports continuous operation from −65 °C to +150 °C ambient temperature. Junction temperature must remain ≤150 °C; at 25 °C ambient, maximum power dissipation is 250 mW, derating linearly to zero at 150 °C ambient based on 500 K/W thermal resistance.
Can PDTC143XM drive a 5 V relay coil directly?
Yes - with 100 mA output current rating and 50 V VCEO, PDTC143XM can reliably switch typical 5 V relay coils drawing ≤80 mA. Ensure VI(on) ≥1.5 V (typ.) is met by the driving MCU, and verify VCE(sat) remains ≤100 mV under load to avoid excessive heating.
How does the R2/R1 ratio affect switching behavior?
The fixed R2/R1 ratio of 2.1 establishes a defined feedback path that stabilizes DC current gain and improves immunity to hFE variation. This results in consistent VI(on) and VI(off) thresholds across temperature and process corners - critical for robust digital interface operation without external tuning.
PDTC143XM,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-101, SOT-883
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 4.7 kOhms
- Resistor - Emitter Base (R2):
- 10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 50 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 100mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 1µA
- Frequency - Transition:
- -
- Power - Max:
- 250 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-883
PDTC143XM,315 FAQ
1.How can I place an order for PDTC143XM,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC143XM,315 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 PDTC143XM,315 reliable?
The price and inventory of PDTC143XM,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC143XM,315 is usually 5 days.
3.What payment methods are accepted for PDTC143XM,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC143XM,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC143XM,315?
PDTC143XM,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC143XM,315 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 PDTC143XM,315?
For technical support, including PDTC143XM,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC143XM,315 requirements.
6.How does Aetrix verify that PDTC143XM,315 is sourced from the original manufacturer or authorized distributors?
All PDTC143XM,315 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 PDTC143XM,315 meets industry standards.
7.What is the process for return or replacement of PDTC143XM,315?
All PDTC143XM,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC143XM,315, 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 PDTC143XM,315 part is unused and in its original packaging.
Return procedure for PDTC143XM,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC143XM,315 Tags
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