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NXP Semiconductors PDTA114TK,115
- Part No.:
- PDTA114TK,115
- Manufacturer:
- NXP Semiconductors
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PDTA114TK,115.pdf
- Description:
- TRANS PREBIAS PNP 50V 0.1A SMT3
- Quantity:
- Payment:
- Shipping:
Inventory:8,781
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Product details
Overview
PDTA114TK,115 from Nexperia is a PNP resistor-equipped transistor (RET) in SOT346 (SC-59A/TO-236) package, designed for digital switching with built-in 10 kΩ input bias resistor (R1), −50 V VCEO rating, −100 mA output current capability, and −150 mV VCEsat at IC = −10 mA/IB = −0.5 mA. It serves as a cost-saving alternative to BC857-series transistors in low-current peripheral driver and IC input control applications.
For engineers reviewing the PDTA114TK,115 datasheet, PDTA114TK,115 pinout, PDTA114TK,115 application, or PDTA114TK,115 equivalent, this page delivers verified electrical parameters, validated SOT346 pin configuration, confirmed thermal resistance (500 K/W), real-world digital switching use cases, and two technically documented alternative parts for design flexibility.
Technical Context
The PDTA114TK,115 integrates a single PNP bipolar junction transistor with an on-die 10 kΩ base bias resistor (R1) and open R2 configuration, eliminating external bias components. Its internal resistor network enables direct logic-level drive without pull-up/down networks.
It operates as a saturated switch in digital interface circuits, delivering guaranteed −100 mA output current and −150 mV collector-emitter saturation voltage under standard test conditions (IC = −10 mA, IB = −0.5 mA), with DC current gain (hFE) ≥200 at VCE = −5 V and IC = −1 mA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −50 V - Maximum safe collector-emitter voltage with base open; defines off-state blocking capability in switching applications. |
| IO | −100 mA - Continuous output current rating; supports driving LEDs, small relays, or logic inputs without external current limiting. |
| R1 | 10 kΩ (7–13 kΩ range) - Integrated base bias resistor; enables direct connection to 3.3 V or 5 V logic outputs without external components. |
| VCEsat | −150 mV max at IC = −10 mA / IB = −0.5 mA - Low saturation voltage ensures minimal power loss and heat generation during on-state operation. |
| Ptot | 250 mW at Tamb ≤25 °C - Total power dissipation limit; determines maximum usable current under ambient thermal conditions. |
| Rth(j-a) | 500 K/W - Junction-to-ambient thermal resistance in free air; used to calculate temperature rise for reliability analysis. |
| hFE | ≥200 at VCE = −5 V, IC = −1 mA - Minimum DC current gain; ensures reliable saturation with modest base drive. |
Pinout & Package
SOT346 (SC-59A/TO-236) plastic surface-mounted package; 3-lead, 1.7 mm × 2.5 mm × 0.9 mm body; lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | input (base) | Connected internally to R1; accepts logic-level input to enable transistor conduction. |
| 2 | GND (emitter) | Emitter terminal tied to system ground; provides common reference for input and output paths. |
| 3 | output (collector) | Switched high-side output node; sinks current from load connected between VCC and this pin. |
Key Features
| Feature | Design Value |
|---|---|
| Built-in 10 kΩ base resistor | Eliminates need for external bias network; reduces BOM count and PCB area in digital interface designs. |
| −100 mA output current capability | Supports direct drive of moderate-current loads such as status LEDs, optocoupler inputs, or small-signal relays. |
| −150 mV VCEsat | Minimizes conduction loss and self-heating, enabling stable operation in space-constrained or thermally sensitive layouts. |
| Reduced pick-and-place cost | Single-device replacement for discrete transistor + resistor pair; lowers assembly time and placement error risk. |
| Cost-saving alternative to BC857 series | Provides identical functional behavior with integrated biasing, reducing total system cost in high-volume digital control modules. |
Applications
| LED Indicator Control | Microcontroller GPIO Expansion |
|---|---|
|
Use Scenario: Driving status LEDs from 3.3 V or 5 V microcontroller I/O pins with current limiting handled internally. IC Role / Device Role / Timing Role: PNP switch sinking LED current from VCC to ground via emitter, controlled by logic-low signal on base pin. Use Value: Eliminates external base resistor; enables direct connection to MCU pins while maintaining <150 mV drop and <100 mA drive capability. |
Use Scenario: Expanding limited GPIO count by using microcontroller outputs to enable/disable peripheral ICs or sensors. IC Role / Device Role / Timing Role: Level-shifting and current-amplifying switch that converts logic-low output into active-low enable signal for downstream devices. Use Value: Provides ≥200 hFE gain and −100 mA sink capacity, ensuring robust activation of enable inputs even under marginal drive conditions. |
| Low-Power Sensor Interface | Industrial Digital Input Conditioning |
|
Use Scenario: Interfacing open-collector sensor outputs (e.g., Hall effect or reed switches) to microcontrollers with pull-up requirements. IC Role / Device Role / Timing Role: Active-low buffer that inverts and amplifies weak sensor signals before feeding them to MCU interrupt-capable pins. Use Value: Built-in R1 allows clean logic-level translation without external components; −50 V VCEO withstands transient overvoltage in noisy environments. |
Use Scenario: Converting 24 V industrial field signals to 3.3 V/5 V logic levels for PLC or embedded controller inputs. IC Role / Device Role / Timing Role: High-side switch configured with external current-limiting resistor to safely attenuate and level-shift industrial voltages. Use Value: −50 V VCBO and −50 V VCEO ratings support direct integration into 24 V systems with appropriate series resistance; 500 K/W Rth(j-a) enables reliable operation in uncooled enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP resistor-equipped transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PDTC114TK | NPN complement; same SOT346 package, identical R1 = 10 kΩ, but opposite polarity and sourcing vs sinking behavior. | Used where active-high switching or sourcing current to load is required instead of sinking. | Select PDTC114TK when circuit topology demands NPN logic-level drive with matching biasing and footprint. |
| BC807-16,115 | Standard PNP BJT without integrated resistors; requires external base bias network; higher hFE (160–400) but no built-in R1. | Preferred where adjustable biasing, higher gain, or analog linear operation is needed beyond digital switching. | Choose BC807-16,115 only if design requires tunable base current or operation outside saturation region; otherwise PDTA114TK,115 reduces component count. |
Compared with PDTC114TK, the PDTA114TK,115 provides complementary PNP functionality with identical packaging and biasing, while BC807-16,115 offers higher gain and flexibility at the cost of added external components and layout complexity.
Availability
PDTA114TK,115 is available at Aetrix Electronics and suitable for LED indicator control, microcontroller GPIO expansion, low-power sensor interface, and industrial digital input conditioning requiring stable component supply across automotive, industrial, and consumer electronics programs.
Supply support for PDTA114TK,115 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, with focus on automotive, industrial, computing, consumer, and wearable markets.
The PDTA114TK,115 belongs to Nexperia's PNP Resistor-Equipped Transistor (RET) family, engineered specifically to simplify digital switching designs by integrating bias resistors and reducing bill-of-materials in space- and cost-sensitive applications.
FAQ
What is the package type and footprint compatibility of PDTA114TK,115?
The PDTA114TK,115 uses the SOT346 (SC-59A/TO-236) surface-mount package with 1.7 mm × 2.5 mm × 0.9 mm dimensions and standardized 3-lead pinout (base-input, emitter-GND, collector-output). It shares footprint compatibility with other SOT346-packaged Nexperia RETs like PDTC114TK, enabling layout reuse across complementary PNP/NPN designs without PCB revision.
Does PDTA114TK,115 have an integrated pull-down or pull-up resistor?
No - the PDTA114TK,115 integrates only a 10 kΩ base-input resistor (R1); R2 is open. This configuration provides fixed base bias for logic-level drive but does not include an emitter or collector pull-down resistor. The device relies on external circuitry or system grounding for defined off-state behavior.
What is the maximum operating temperature for PDTA114TK,115?
The PDTA114TK,115 has a maximum junction temperature (Tj) of 150 °C and an ambient temperature range (Tamb) of −65 °C to +150 °C. Its thermal resistance Rth(j-a) is 500 K/W in free air, meaning a 250 mW power dissipation results in a 125 K rise above ambient - confirming full-rated operation up to +25 °C ambient without heatsinking.
Can PDTA114TK,115 replace BC857 transistors directly?
Yes - the PDTA114TK,115 is explicitly positioned as a cost-saving alternative to BC857-series PNP transistors in digital applications. It matches key parameters including −50 V VCEO, −100 mA IO, and ≥200 hFE, while adding integrated biasing. No PCB changes are required if using SOT346 footprint; however, external base resistors must be removed from BC857 designs.
What is the marking code for PDTA114TK,115 on the device body?
The PDTA114TK,115 is marked with "23" on its top surface per Table 5 of the datasheet. This 2-character code distinguishes it from other variants in the PDTA114T series (e.g., PDTA114TE = "11", PDTA114TM = "DE") and confirms correct identification during visual inspection or automated optical recognition.
PDTA114TK,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- PNP - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 10 kOhms
- Resistor - Emitter Base (R2):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 1µA
- Frequency - Transition:
- -
- Power - Max:
- 250 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMT3; MPAK
PDTA114TK,115 FAQ
1.How can I place an order for PDTA114TK,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTA114TK,115 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 PDTA114TK,115 reliable?
The price and inventory of PDTA114TK,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTA114TK,115 is usually 5 days.
3.What payment methods are accepted for PDTA114TK,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTA114TK,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTA114TK,115?
PDTA114TK,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTA114TK,115 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 PDTA114TK,115?
For technical support, including PDTA114TK,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTA114TK,115 requirements.
6.How does Aetrix verify that PDTA114TK,115 is sourced from the original manufacturer or authorized distributors?
All PDTA114TK,115 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 PDTA114TK,115 meets industry standards.
7.What is the process for return or replacement of PDTA114TK,115?
All PDTA114TK,115 units undergo pre-shipment inspection (PSI). If there is an issue with PDTA114TK,115, 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 PDTA114TK,115 part is unused and in its original packaging.
Return procedure for PDTA114TK,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTA114TK,115 Tags
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MUN5211T1G
onsemi
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DTC043ZEBTL
Rohm Semiconductor
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DTC114EKAT146
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DDTD113ZC-7-F
Diodes Incorporated
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DRDNB16W-7
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PDTC114ET,215
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MMUN2211LT1G
onsemi
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