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Nexperia USA Inc. PDTC143XT,215
- Part No.:
- PDTC143XT,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PDTC143XT,215.pdf
- Description:
- TRANS PREBIAS NPN 50V TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:17,432
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Product details
Overview
PDTC143XT from Nexperia is an NPN resistor-equipped transistor (RET) in SOT23 package, designed for digital switching applications with integrated bias resistors R1 = 4.7 kΩ and R2 = 10 kΩ, 50 V VCEO, 100 mA IO, and AEC-Q101 qualification for automotive control circuits.
For engineers reviewing the PDTC143XT datasheet, PDTC143XT pinout, PDTC143XT application, or PDTC143XT equivalent, this device serves as a drop-in replacement for BC847-series transistors in logic-level interface and load-switching designs where component count reduction and simplified drive circuitry are critical.
Technical Context
This RET integrates two precision on-chip resistors (R1 = 4.7 kΩ, R2 = 10 kΩ) to form a single-input, grounded-emitter switch topology. It operates as a saturated NPN switch with guaranteed VI(on) ≤ 1.5 V at IC = 20 mA and VI(off) ≥ 0.9 V at IC = 100 µA, enabling direct TTL/CMOS logic interfacing without external base resistors.
The device features a DC current gain (hFE) ≥ 50 at IC = 10 mA and VCE = 5 V, VCE(sat) ≤ 100 mV at IC = 10 mA/IB = 0.5 mA, and fT = 230 MHz - supporting both low-speed digital control and moderate-frequency signal switching up to ~10 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; supports 24 V industrial bus and 12 V automotive supply rail switching. |
| IO | 100 mA - Continuous output current capability; sufficient for driving LEDs, small relays, and logic inputs. |
| R1 | 4.7 kΩ ±28% - Input bias resistor enabling direct connection to 3.3 V/5 V logic outputs without external components. |
| R2/R1 ratio | 2.1 - Fixed internal feedback ratio ensuring stable saturation and predictable turn-off behavior. |
| VCE(sat) | ≤100 mV at IC = 10 mA - Low saturation voltage minimizes power loss and heat generation in high-duty-cycle switching. |
| fT | 230 MHz - Transition frequency confirming suitability for signal switching up to ~10 MHz with adequate gain margin. |
| AEC-Q101 | Qualified - Meets automotive-grade stress test requirements for temperature cycling, HTRB, and ESD, enabling use in under-hood ECUs and body control modules. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mounted package with 3 leads; compact 2.8 mm × 1.4 mm footprint, 1.1 mm height, and standard reflow-compatible solder lands.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base) | Connected internally to R1; accepts logic-level voltage input (0–20 V) to control transistor conduction. |
| 2 | GND (emitter) | Emitter tied to ground reference; provides return path for load current and sets common reference for bias network. |
| 3 | Output (collector) | Switched output node; sinks up to 100 mA to drive loads such as LEDs, optocouplers, or MOSFET gates. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 + R2 bias network | Eliminates need for two external resistors, reducing BOM count and PCB area in digital interface circuits. |
| Logic-compatible input thresholds | VI(on) ≤ 1.5 V and VI(off) ≥ 0.9 V enable reliable switching with 3.3 V CMOS and 5 V TTL outputs. |
| Low VCE(sat) | ≤100 mV ensures <10 mW conduction loss at 100 mA, minimizing thermal stress in space-constrained layouts. |
| AEC-Q101 qualification | Validated for automotive environments including −40 °C to +125 °C operation and extended lifetime reliability. |
| SOT23 package compatibility | Standard footprint enables drop-in replacement of BC847, BC817, and similar discrete transistors in existing designs. |
Applications
| Automotive Body Control Module | Industrial PLC Digital Output |
|---|---|
|
Use Scenario: Driving LED status indicators and solenoid valves in door module ECUs. IC Role / Device Role / Timing Role: NPN switch controlling 12 V loads with logic-level enable from microcontroller GPIO. Use Value: Integrated bias resistors eliminate 2 external components per channel, reducing assembly cost and improving long-term reliability over temperature. |
Use Scenario: Isolating and level-shifting microcontroller outputs to 24 V field devices in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Digital output stage providing current-sinking interface between 3.3 V FPGA and industrial sensors/actuators. Use Value: Guaranteed VI(on)/VI(off) thresholds ensure noise-immune switching across wide temperature range (−40 °C to +105 °C ambient). |
| Consumer Appliance UI Panel | Medical Diagnostic Equipment Interface |
|
Use Scenario: Controlling backlight brightness and button illumination in smart oven control panels. IC Role / Device Role / Timing Role: Constant-current LED driver stage with PWM dimming capability via microcontroller output. Use Value: 100 mA IO and low VCE(sat) allow efficient driving of multiple parallel LEDs without heatsinking. |
Use Scenario: Enabling/disabling analog sensor signal paths in portable ultrasound front-end modules. IC Role / Device Role / Timing Role: Signal-path gate controlling connection between op-amp outputs and ADC inputs during calibration cycles. Use Value: 230 MHz fT and sub-100 ns switching times support fast multiplexing of sensitive analog signals without crosstalk. |
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 |
|---|---|---|---|
| BC847B,115 | Discrete NPN BJT requiring external base resistor; no built-in R1/R2 network; hFE = 200–450 vs. fixed RET gain. | Requires additional 4.7 kΩ resistor for same logic drive; higher gain enables lower base current but increases layout complexity. | Select when precise hFE control or higher current gain is needed; avoid if BOM simplification is priority. |
| PDTA143XT,215 | PNP complement with identical R1/R2 values (4.7 kΩ/10 kΩ), same SOT23 package, but inverted polarity and −100 mA IO. | Used for high-side switching or complementary push-pull stages; not interchangeable without circuit redesign. | Select only for PNP-side switching in dual-transistor configurations; verify emitter-follower vs. common-emitter topology fit. |
Compared with BC847B and PDTA143XT, PDTC143XT uniquely delivers logic-compatible NPN switching with zero external components, making it optimal for cost-sensitive, high-volume digital interface applications where board space and assembly yield are critical.
Availability
PDTC143XT is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and consumer appliance control panels requiring stable component supply and AEC-Q101 compliance.
Supply support for PDTC143XT 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, spun off from NXP in 2017 and focused on automotive, industrial, computing, and consumer markets.
PDTC143XT belongs to Nexperia's resistor-equipped transistor (RET) product line, engineered specifically to replace discrete BJT + resistor combinations in digital switching applications while meeting stringent automotive reliability standards.
FAQ
What is the maximum input voltage rating for PDTC143XT?
The absolute maximum input voltage (VI) is +20 V positive and −7 V negative, as specified in Table 6. This allows safe operation with 12 V and 24 V logic systems and transient protection against common-mode spikes in automotive and industrial environments.
Can PDTC143XT be used in linear amplifier configurations?
No - PDTC143XT is optimized for saturated switching operation, not linear amplification. Its integrated bias network fixes the base current path, and its hFE specification (min 50) applies only under switching conditions; no small-signal parameters like gm or rπ are characterized for analog use.
Is thermal derating required above 25 °C ambient?
Yes - total power dissipation must be derated linearly above 25 °C. At 100 °C ambient, Ptot drops to 125 mW (50% of 250 mW rated value), per Figure 1 and Table 7. Layouts must include adequate copper pour and airflow for sustained 100 mA operation above 70 °C.
Does PDTC143XT support wave soldering?
No - reflow soldering is the only recommended method, per Section 11. Wave soldering is not qualified and may damage the internal resistor network or cause delamination due to thermal shock; SOT23 footprint design (Figure 19) is provided for reference only, not endorsement.
PDTC143XT,215 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- 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:
- TO-236AB
PDTC143XT,215 FAQ
1.How can I place an order for PDTC143XT,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC143XT,215 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 PDTC143XT,215 reliable?
The price and inventory of PDTC143XT,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC143XT,215 is usually 5 days.
3.What payment methods are accepted for PDTC143XT,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC143XT,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC143XT,215?
PDTC143XT,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC143XT,215 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 PDTC143XT,215?
For technical support, including PDTC143XT,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC143XT,215 requirements.
6.How does Aetrix verify that PDTC143XT,215 is sourced from the original manufacturer or authorized distributors?
All PDTC143XT,215 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 PDTC143XT,215 meets industry standards.
7.What is the process for return or replacement of PDTC143XT,215?
All PDTC143XT,215 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC143XT,215, 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 PDTC143XT,215 part is unused and in its original packaging.
Return procedure for PDTC143XT,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC143XT,215 Tags
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