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NXP Semiconductors PDTA115TM,315
- Part No.:
- PDTA115TM,315
- Manufacturer:
- NXP Semiconductors
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- -
- Datasheet:
-
PDTA115TM,315.pdf
- Description:
- TRANS PREBIAS PNP 250MW SOT883
- Quantity:
- Payment:
- Shipping:
Inventory:130,000
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Product details
Overview
PDTA115TM,315 from Nexperia is a PNP resistor-equipped transistor (RET) with integrated 100 kΩ base bias resistor (R1), designed for compact DC switching and level-shifting functions in space-constrained PCBs. It delivers −100 mA output current, −50 V collector-emitter voltage rating, and operates in SOT883 (SC-101) ultra-small leadless package measuring 1.0 × 0.6 × 0.5 mm - used in portable power management and low-voltage logic interface circuits.
For engineers reviewing the PDTA115TM,315 datasheet, PDTA115TM,315 pinout, PDTA115TM,315 application, or PDTA115TM,315 equivalent, this part serves as a drop-in replacement for discrete PNP + resistor combinations in high-volume consumer and industrial control modules where board area and assembly cost are critical.
Technical Context
This device integrates a single PNP bipolar junction transistor with one external-base bias resistor (R1 = 100 kΩ nominal; 70–130 kΩ range) and an open R2 terminal - enabling direct logic-level drive without external pull-up/down components. Its internal resistor network simplifies base current control and eliminates layout dependency on external passive placement.
Designed for DC switching only, it exhibits −150 mV VCE(sat) at IC = −5 mA / IB = −0.25 mA, supports ambient temperatures from −65 °C to +150 °C, and features 250 mW total power dissipation under standard SOT883 mounting conditions on FR4 PCB with 60 µm copper trace.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −50 V: Maximum safe collector-emitter voltage before breakdown; enables use in 24 V and 36 V rail systems with margin. |
| IO | −100 mA: Continuous DC output current capability; sufficient for driving LEDs, small relays, or logic gate inputs. |
| R1 | 100 kΩ (70–130 kΩ): Integrated base bias resistor; eliminates need for external resistor and reduces BOM count by one component. |
| VCE(sat) | −150 mV @ IC = −5 mA / IB = −0.25 mA: Low saturation voltage minimizes power loss and heat generation in switching mode. |
| Ptot | 250 mW @ Tamb ≤ 25 °C: Thermal limit defined for SOT883 package on FR4; sets maximum steady-state power handling in compact layouts. |
| hFE | ≥100 @ VCE = −5 V, IC = −1 mA: Minimum DC current gain ensures reliable turn-on with minimal base drive current. |
| Cc | 3 pF @ VCB = −10 V, f = 1 MHz: Low collector capacitance preserves high-frequency response in digital switching applications. |
Pinout & Package
SOT883 (SC-101) is a leadless ultra-small plastic package with three solder lands, body dimensions 1.0 × 0.6 × 0.5 mm, optimized for reflow-only assembly on fine-pitch PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | input (base) | Connected internally to R1; accepts logic-level input (e.g., 0/3.3 V) to control transistor conduction. |
| 2 | GND (emitter) | Common reference node; tied to system ground or negative rail; forms return path for load current. |
| 3 | output (collector) | Switched output node; sinks current from load (e.g., LED cathode or MCU input) to emitter when active. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 bias resistor | Reduces bill-of-materials count by eliminating external base resistor; improves assembly yield and design repeatability. |
| SOT883 ultra-small footprint | Enables placement in <1.5 mm² board area; supports miniaturization of wearables, IoT sensors, and battery-powered modules. |
| −50 V VCEO rating | Provides robustness against voltage transients in 24 V industrial control and automotive body electronics interfaces. |
| −150 mV VCE(sat) | Lowers conduction losses below 0.15 V, reducing thermal stress and enabling higher duty-cycle operation in pulsed loads. |
| Reflow-only soldering compatibility | Validated for standard Pb-free reflow profiles; avoids mechanical stress risks associated with wave or hand-soldering. |
Applications
| LED Driver Circuit | Microcontroller GPIO Interface |
|---|---|
|
Use Scenario: Driving indicator LEDs from 3.3 V microcontroller outputs in handheld medical devices. IC Role / Device Role: PNP switch sinking current from LED anode to ground via emitter, activated by low GPIO signal. Use Value: Eliminates need for external base resistor and saves 0.8 mm² PCB area per channel in tight 4-layer stackups. |
Use Scenario: Level-shifting 1.8 V logic signals to 5 V peripherals in embedded test equipment. IC Role / Device Role: Inverting buffer stage using emitter-follower configuration with fixed R1 bias. Use Value: Achieves clean 5 V-compatible output swing with <10 ns propagation delay and no external passives. |
| Power Rail Enable Switch | Low-Voltage Inverter |
|
Use Scenario: Enabling/disabling 3.3 V power rails for sensor subsystems in battery-operated environmental monitors. IC Role / Device Role: High-side switch controlling PMOS gate drive via emitter output; driven by system controller. Use Value: Delivers stable 3.3 V enable signal with <2 µA quiescent current and −50 V transient tolerance. |
Use Scenario: Generating complementary logic signals for clock distribution in portable audio codecs. IC Role / Device Role: Digital inverter stage converting active-high control signals to active-low outputs. Use Value: Provides sharp edge transitions with consistent −100 mA sink capability across temperature (−40 °C to +125 °C). |
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 |
|---|---|---|---|
| PDTC115TM | NPN complement with identical R1 = 100 kΩ, same SOT883 package and marking code E7. | Requires inverted logic drive and sourcing (not sinking) load current; unsuitable for high-side switching. | Select when circuit topology demands NPN-based current sourcing or active-high control. |
| PDTA123TM | Same SOT883 package but R1 = 2.2 kΩ; lower input impedance and higher base current requirement. | Better suited for 5 V logic drive; less compatible with 1.8 V/3.3 V MCUs due to insufficient VBE margin. | Choose only if interfacing with legacy 5 V controllers and higher-speed switching (>100 kHz) is required. |
Compared with PDTC115TM and PDTA123TM, PDTA115TM,315 offers optimal balance of low-input-current drive, compact size, and −50 V robustness - making it preferred for modern low-voltage, high-density portable electronics where board area and supply voltage headroom are constrained.
Availability
PDTA115TM,315 is available at Aetrix Electronics and suitable for LED driver circuits, microcontroller GPIO interfaces, power rail enable switches, and low-voltage inverters requiring stable component supply across production lifecycles.
Supply support for PDTA115TM,315 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.
This part belongs to the PDTA115T series of PNP resistor-equipped transistors - engineered specifically for reducing component count and simplifying PCB layout in high-volume, space-sensitive digital switching applications.
FAQ
What is the function of the open R2 terminal in PDTA115TM,315?
The R2 terminal is unconnected (open) inside the device - only R1 (100 kΩ) is integrated between base and input pin. This configuration provides fixed single-resistor biasing ideal for simple on/off control, eliminating ambiguity in resistor network topology and ensuring predictable base current flow without external feedback paths.
Can PDTA115TM,315 be used in analog amplification circuits?
No - this device is characterized and qualified exclusively for DC switching applications. Its hFE is specified only at IC = −1 mA, and no linearity, frequency response, or small-signal parameters (e.g., fT, rπ) are guaranteed. Amplifier use may result in distortion, instability, or thermal runaway.
Is hand-soldering recommended for the SOT883 package?
No - the datasheet explicitly states reflow soldering is the only recommended method. SOT883's leadless construction and thermal mass make hand-soldering unreliable and prone to solder joint voiding or pad lifting; use controlled reflow profiles per JEDEC J-STD-020.
How does the SOT883 package affect thermal performance compared to SOT23?
SOT883 has identical 250 mW Ptot rating but higher thermal resistance (Rth(j-a) = 500 K/W vs. 500 K/W for SOT23), meaning it reaches junction temperature faster under equal load. Its smaller footprint requires careful copper pour design and thermal vias to maintain Tj ≤ 150 °C in continuous operation.
PDTA115TM,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- 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:
- -
PDTA115TM,315 FAQ
1.How can I place an order for PDTA115TM,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTA115TM,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 PDTA115TM,315 reliable?
The price and inventory of PDTA115TM,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTA115TM,315 is usually 5 days.
3.What payment methods are accepted for PDTA115TM,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTA115TM,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTA115TM,315?
PDTA115TM,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTA115TM,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 PDTA115TM,315?
For technical support, including PDTA115TM,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTA115TM,315 requirements.
6.How does Aetrix verify that PDTA115TM,315 is sourced from the original manufacturer or authorized distributors?
All PDTA115TM,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 PDTA115TM,315 meets industry standards.
7.What is the process for return or replacement of PDTA115TM,315?
All PDTA115TM,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTA115TM,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 PDTA115TM,315 part is unused and in its original packaging.
Return procedure for PDTA115TM,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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