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Nexperia USA Inc. PDTC114YU/ZLX
- Part No.:
- PDTC114YU/ZLX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- -
- Datasheet:
-
PDTC114YU/ZLX.pdf
- Description:
- TRANS PREBIAS
- Quantity:
- Payment:
- Shipping:
Inventory:3,647
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Product details
Overview
PDTC114YU from Nexperia is a 50 V, 100 mA NPN resistor-equipped transistor (RET) in SOT323 (SC-70) package, featuring integrated R1 = 10 kΩ and R2 = 47 kΩ bias resistors. It functions as a single-chip digital switch for IC input control and low-power load switching in industrial digital circuits.
For engineers reviewing the PDTC114YU datasheet, PDTC114YU pinout, PDTC114YU application, or PDTC114YU equivalent, this device serves as a drop-in replacement for BC847-based digital interface stages where simplified biasing, reduced BOM count, and consistent switching thresholds are required.
Technical Context
This NPN RET integrates two precision thin-film resistors-R1 connected between base and input, R2 between base and emitter-to form a fixed-current bias network. It eliminates external base resistors while maintaining predictable turn-on/off behavior across temperature.
The device operates with VI(on) = 0.8–1.4 V at IC = 1 mA and VI(off) = 0.5–0.7 V at IC = 100 µA, enabling reliable logic-level interfacing with 3.3 V and 5 V microcontrollers. Its fT = 230 MHz (typ.) supports fast switching up to ~10 MHz in digital applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage under open-base condition; defines maximum load supply rail compatibility. |
| IO | 100 mA - Continuous output current rating; suitable for driving LEDs, small relays, or logic inputs. |
| R1 | 10 kΩ (7–13 kΩ) - Input bias resistor value; sets base current magnitude for predictable saturation at standard logic drive levels. |
| R2/R1 | 4.7 (3.7–5.7) - Fixed internal resistor ratio; determines feedback strength and improves noise immunity during off-state. |
| VCE(sat) | ≤100 mV at IC = 5 mA, IB = 0.25 mA - Low saturation voltage ensures minimal power loss and compatible with 1.8 V–5 V logic families. |
| fT | 230 MHz (typ.) - Transition frequency of internal transistor; enables clean edge response in high-speed digital switching up to 10 MHz. |
Pinout & Package
SOT323 (SC-70) plastic surface-mount package: 3-pin, 1.3 mm pitch, 2.0 mm × 1.25 mm × 0.95 mm body height. Optimized for high-density PCB layouts and reflow soldering per IPC-7095 guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base node) | Connected to R1; accepts logic-level voltage to activate internal transistor; no external pull-up/down needed. |
| 2 | Ground (emitter) | Emitter terminal tied to system GND; provides return path for load current and R2 bias current. |
| 3 | Output (collector) | Switched output node; connects to load (e.g., LED anode or MCU input); sinks current when active. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Eliminates two external resistors, reducing layout area by ≥2.5 mm² and eliminating resistor placement errors. |
| Guaranteed R2/R1 ratio | 4.7 ±1.0 ensures stable β-dependent switching threshold across process and temperature variations. |
| Low VCE(sat) | ≤100 mV enables direct interface with 1.8 V logic without level-shifting circuitry. |
| Thermal resistance Rth(j-a) | 625 K/W on FR4 PCB allows continuous 100 mA operation at ambient ≤70 °C without heatsinking. |
Applications
| Industrial Digital Control | Microcontroller I/O Expansion |
|---|---|
Use Scenario: Isolating and conditioning digital signals between PLC modules and sensor interfaces in factory automation systems. IC Role / Device Role / Timing Role: NPN switch controlling enable lines of optocouplers or level translators with precise threshold behavior. Use Value: Reduces component count per channel by 2 resistors, lowering assembly cost and improving long-term reliability vs discrete bias networks. | Use Scenario: Expanding GPIO count on resource-constrained MCUs (e.g., STM32G0, RP2040) to drive status LEDs or reset lines. IC Role / Device Role / Timing Role: Logic-level translator and current amplifier for open-drain or push-pull outputs. Use Value: Enables 100 mA sink capability with guaranteed VI(on)/VI(off) margins at 3.3 V, avoiding marginal switching seen with BC847 + discrete resistors. |
| Cost-Sensitive Consumer Electronics | Automated Test Equipment (ATE) Signal Conditioning |
Use Scenario: Replacing BC847 + two 0402 resistors in battery-powered IoT nodes where BOM simplification reduces manufacturing cost. IC Role / Device Role / Timing Role: Digital load switch for enabling/disabling peripheral ICs (e.g., sensors, radios) during sleep mode. Use Value: Eliminates pick-and-place steps for two passive components, cutting SMT line cycle time by ~0.8 seconds per unit at scale. | Use Scenario: Providing repeatable, low-leakage switching for test signal routing in modular ATE backplanes. IC Role / Device Role / Timing Role: Precision-controlled digital gate with sub-100 nA ICEO ensuring minimal leakage-induced false triggers. Use Value: ICEO ≤ 5 µA at 150 °C maintains signal integrity over extended thermal soak tests, unlike standard transistors with uncontrolled leakage drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN digital switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847B,115 | Discrete NPN transistor; requires external R1/R2; hFE = 200–450 (vs RET's fixed bias ratio). | Higher design flexibility but increases BOM count and layout complexity; less consistent VI(on)/VI(off) across batches. | Select when fine-tuned gain or adjustable bias is required; avoid when minimizing assembly cost and footprint is critical. |
| PDTA114YU | PNP complement; same R1/R2 values; VECO = 50 V; IO = −100 mA; pinout mirrored (pin 1 = emitter, pin 3 = input). | Used for high-side switching or inverted logic control; not interchangeable without board revision. | Select only for complementary high-side drive; requires schematic and layout changes due to reversed polarity and pin mapping. |
Compared with BC847B and PDTA114YU, PDTC114YU delivers guaranteed switching thresholds and zero-resistor integration-reducing design validation effort and production risk-while maintaining identical thermal and voltage ratings in the same compact SOT323 footprint.
Availability
PDTC114YU is available at Aetrix Electronics and suitable for industrial digital control, microcontroller I/O expansion, and cost-sensitive consumer electronics requiring stable component supply and consistent parametric performance across production lots.
Supply support for PDTC114YU 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 essential semiconductors-including logic, discretes, MOSFETs, and ESD protection-designed for automotive, industrial, and consumer applications.
PDTC114YU belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered specifically to replace discrete transistor + resistor combinations in digital interface and load-switching applications with improved consistency and manufacturability.
FAQ
What is the maximum allowable input voltage (VI) for PDTC114YU?
The absolute maximum input voltage is −6 V to +40 V, as specified in the limiting values table. Operation above +40 V risks permanent damage to the internal R1 resistor and base-emitter junction. For reliable 5 V logic interfacing, VI remains within safe margin even with transient overshoot up to 6 V.
Can PDTC114YU be used in linear amplification mode?
No-it is optimized and characterized exclusively for digital switching operation. The integrated resistors fix the base bias point, preventing stable DC operating point adjustment required for analog amplification. Its hFE specification is provided only for saturation verification, not small-signal gain linearity.
How does the R2/R1 ratio affect switching behavior?
The R2/R1 ratio of 4.7 sets the internal feedback factor that stabilizes the base voltage during conduction, improving noise immunity and reducing sensitivity to supply ripple. A higher ratio increases off-state margin (VI(off)), while a lower ratio lowers turn-on threshold (VI(on))-both tightly controlled per device lot.
Is PDTC114YU qualified for automotive applications?
No-this variant is explicitly marked non-automotive in the revision history. Automotive-grade equivalents (e.g., PDTC114YU-Q) undergo AEC-Q101 stress testing and include extended temperature range qualification (−40 °C to +150 °C), which PDTC114YU does not support.
PDTC114YU/ZLX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Transistor Type:
- -
- Current - Collector (Ic) (Max):
- -
- Voltage - Collector Emitter Breakdown (Max):
- -
- Resistor - Base (R1):
- -
- Resistor - Emitter Base (R2):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- -
- Vce Saturation (Max) @ Ib, Ic:
- -
- Current - Collector Cutoff (Max):
- -
- Frequency - Transition:
- -
- Power - Max:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
PDTC114YU/ZLX FAQ
1.How can I place an order for PDTC114YU/ZLX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC114YU/ZLX 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 PDTC114YU/ZLX reliable?
The price and inventory of PDTC114YU/ZLX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC114YU/ZLX is usually 5 days.
3.What payment methods are accepted for PDTC114YU/ZLX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC114YU/ZLX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC114YU/ZLX?
PDTC114YU/ZLX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC114YU/ZLX 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 PDTC114YU/ZLX?
For technical support, including PDTC114YU/ZLX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC114YU/ZLX requirements.
6.How does Aetrix verify that PDTC114YU/ZLX is sourced from the original manufacturer or authorized distributors?
All PDTC114YU/ZLX 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 PDTC114YU/ZLX meets industry standards.
7.What is the process for return or replacement of PDTC114YU/ZLX?
All PDTC114YU/ZLX units undergo pre-shipment inspection (PSI). If there is an issue with PDTC114YU/ZLX, 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 PDTC114YU/ZLX part is unused and in its original packaging.
Return procedure for PDTC114YU/ZLX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC114YU/ZLX Tags
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