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Nexperia USA Inc. PDTC143XUF
- Part No.:
- PDTC143XUF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
PDTC143XUF.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:9,609
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Product details
Overview
PDTC143XUF from Nexperia is an NPN resistor-equipped transistor (RET) in SOT323 (SC-70) package, designed for digital switching applications with built-in 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 PDTC143XUF datasheet, PDTC143XUF pinout, PDTC143XUF application, or PDTC143XUF equivalent, this device serves as a space- and cost-optimized replacement for discrete BJT + resistor networks in IC input control, LED driver enable stages, and low-power load switching where simplified layout and reduced pick-and-place count are critical.
Technical Context
This RET integrates an NPN transistor with two monolithically embedded silicon resistors - R1 connected between base and input pin, R2 between base and emitter - enabling single-pin logic-level drive without external bias components. It operates as a saturated switch with guaranteed VI(on) ≤ 1.5 V at IC = 20 mA and VI(off) ≥ 0.9 V at IC = 100 µA.
The device features a DC current gain (hFE) of ≥50 at IC = 10 mA and VCE = 5 V, collector-emitter saturation voltage (VCE(sat)) ≤ 100 mV at IC = 10 mA / IB = 0.5 mA, and transition frequency fT = 230 MHz - confirming suitability for high-speed digital switching up to ~10 MHz edge rates.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum allowable collector-emitter voltage before breakdown; supports 24 V industrial bus and 12 V automotive systems with margin. |
| IO | 100 mA - Continuous output current capability; sufficient for driving small relays, LEDs, or logic inputs. |
| R1 | 4.7 kΩ ±25% - Input bias resistor value; sets base current for defined turn-on threshold and power dissipation. |
| R2/R1 ratio | 2.1 - Ensures stable saturation and prevents unintended conduction due to leakage or noise. |
| VCE(sat) | ≤100 mV at IC=10 mA/IB=0.5 mA - Low on-state loss minimizes heat generation and improves efficiency in battery-powered systems. |
| fT | 230 MHz - Confirms fast switching response; enables clean edges in digital control signals up to ~10 MHz. |
| AEC-Q101 qualified | Qualified for automotive applications - meets stress test requirements for temperature cycling, HTRB, and ESD robustness. |
Pinout & Package
SOT323 (SC-70) plastic surface-mounted package: 3-lead, very small outline, body dimensions 2.2 mm × 1.35 mm × 1.15 mm, standard reflow-compatible footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Input) | Base via R1 | Logic-level input node; connects internally to R1 (4.7 kΩ), then to transistor base - accepts 1.5–5 V CMOS/TTL drive directly. |
| 2 (GND) | Emitter | Reference terminal for both R2 and transistor emitter; must be tied to system ground for proper biasing and current return path. |
| 3 (Output) | Collector | Switched output node; sinks up to 100 mA when active; used to drive loads referenced to VCC. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 + R2 bias network | Eliminates need for two external resistors, reducing BOM count and PCB area by >2 mm² in typical implementations. |
| Guaranteed VI(on)/VI(off) thresholds | Ensures reliable logic-level compatibility with 1.8 V, 3.3 V, and 5 V microcontrollers without level-shifting circuitry. |
| Low VCE(sat) | Reduces power loss to <1 mW at 10 mA load, enabling use in thermally constrained modules and portable devices. |
| AEC-Q101 qualification | Validates reliability for under-hood automotive modules including body control units and sensor interface boards. |
| Small SOT323 footprint | Enables high-density routing in space-constrained applications such as wearable electronics and compact IoT nodes. |
Applications
| Automotive Body Control Module | Industrial PLC Digital Output |
|---|---|
Use Scenario: Controlling door lock actuators and interior lighting via MCU GPIO pins. IC Role / Device Role / Timing Role: NPN switch enabling/disabling 12 V loads using 3.3 V logic signals. Use Value: Eliminates discrete resistor placement and reduces assembly steps while maintaining AEC-Q101 compliance for vehicle longevity. | Use Scenario: Driving optocoupler inputs in isolated digital output channels of programmable logic controllers. IC Role / Device Role / Timing Role: Level-translating and current-sinking interface between FPGA I/O and isolation stage. Use Value: Guarantees clean turn-on/turn-off timing (ton/toff < 100 ns) and eliminates resistor tolerance drift affecting channel consistency. |
| Consumer Appliance UI Indicator | Medical Diagnostic Sensor Interface |
Use Scenario: Enabling status LEDs on smart home appliances with limited PCB real estate. IC Role / Device Role / Timing Role: Constant-current sink for red/green/blue indicator LEDs driven by low-voltage MCU outputs. Use Value: Reduces component count per LED channel from three parts (BJT + two resistors) to one, cutting assembly cost by 35% per channel. | Use Scenario: Isolating and conditioning analog sensor enable signals in portable diagnostic equipment. IC Role / Device Role / Timing Role: Logic-controlled power gate for low-noise amplifier bias rails during measurement cycles. Use Value: Prevents cross-talk and supply rail disturbance during sensitive analog acquisition windows via fast, low-leakage switching. |
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 |
|---|---|---|---|
| PDTC124XU | R1 = 22 kΩ, R2/R1 = 2.1 - higher input impedance, lower drive current sensitivity. | Better suited for weak-drive MCUs or high-impedance signal sources; less suitable for fast edge-driven loads. | Select when input voltage swing is limited or when lower base current consumption is prioritized over speed. |
| BC847BW | Discrete NPN BJT without integrated resistors - requires external R1/R2; hFE = 110–800 (wide spread). | Offers higher gain flexibility but increases design complexity, layout area, and production variability. | Choose only if precise hFE tuning or non-standard bias ratios are required; otherwise RET offers superior reproducibility. |
Compared with PDTC124XU and BC847BW, PDTC143XUF delivers optimal balance of drive strength (100 mA), predictable switching thresholds (VI(on) ≤ 1.5 V), and minimal footprint - making it ideal for volume automotive and industrial digital I/O where BOM simplification and AEC-Q101 compliance are mandatory.
Availability
PDTC143XUF is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC digital outputs, and consumer appliance UI indicators requiring stable component supply and long-term lifecycle support.
Supply support for PDTC143XUF 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.
The PDTC143XUF belongs to Nexperia's resistor-equipped transistor (RET) product line, engineered specifically to replace discrete BJT-resistor combinations in digital switching applications while improving reliability and reducing board space.
FAQ
What is the maximum operating temperature for PDTC143XUF?
The PDTC143XUF has a junction temperature limit of 150 °C and an ambient operating range of −65 °C to +150 °C. Its thermal resistance Rth(j-a) is 625 K/W on FR4 PCB with standard footprint, meaning it dissipates up to 200 mW at Tamb = 25 °C before reaching Tj = 150 °C.
Can PDTC143XUF replace BC847 in existing designs?
Yes - PDTC143XUF serves as a drop-in functional replacement for BC847-based digital switches when external bias resistors are removed. Its built-in R1/R2 network provides identical logic-level drive behavior, but pinout differs (SOT323 vs SOT23), so PCB layout revision is required.
Is PDTC143XUF compatible with lead-free reflow soldering?
Yes - reflow soldering is the only recommended process. The device complies with JEDEC J-STD-020 moisture sensitivity level (MSL) 1 and supports peak temperatures up to 260 °C. Wave soldering is not recommended per Nexperia's datasheet guidance.
What does the 'U' suffix indicate in PDTC143XUF?
The 'U' denotes the SOT323 (SC-70) package variant. Within the PDTC143X series, 'E' = SOT416, 'M' = SOT883, 'T' = SOT23, and 'U' = SOT323 - all sharing identical electrical characteristics but differing in size, thermal performance, and mounting requirements.
PDTC143XUF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- 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:
- 230 MHz
- Power - Max:
- 200 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
PDTC143XUF FAQ
1.How can I place an order for PDTC143XUF through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC143XUF 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 PDTC143XUF reliable?
The price and inventory of PDTC143XUF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC143XUF is usually 5 days.
3.What payment methods are accepted for PDTC143XUF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC143XUF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC143XUF?
PDTC143XUF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC143XUF 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 PDTC143XUF?
For technical support, including PDTC143XUF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC143XUF requirements.
6.How does Aetrix verify that PDTC143XUF is sourced from the original manufacturer or authorized distributors?
All PDTC143XUF 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 PDTC143XUF meets industry standards.
7.What is the process for return or replacement of PDTC143XUF?
All PDTC143XUF units undergo pre-shipment inspection (PSI). If there is an issue with PDTC143XUF, 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 PDTC143XUF part is unused and in its original packaging.
Return procedure for PDTC143XUF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC143XUF Tags
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MUN5211T1G
onsemi
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DTC043ZEBTL
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DTC114EKAT146
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DDTD113ZC-7-F
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DRDNB16W-7
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PDTC114ET,215
Nexperia USA Inc.
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PDTC143ZT,215
Nexperia USA Inc.
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PDTC143ET,215
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PDTC143XT,215
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MMUN2211LT1G
onsemi
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Nexperia USA Inc.
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PDTC124ET,215
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