PDTA144EU Nexperia Integrated Circuit (SOT23 (3-Pin)) In Stock
Nexperia PDTA144EU is a PNP digital transistor with built-in 47 kΩ bias resistors (ratio 1), rated at 100 mA collector current and 50 V collector-emitter voltage, housed in a compact 3-pin UMT (SOT-323) package for space-critical switching applications.
- Manufacturer
- Nexperia
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- PDTA144EU Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -65.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- PNP digital transistor with built-in 47 kΩ bias resistors (R1=R2, ratio 1) eliminating external base resistors for simplified circuit design
- 50 V collector-emitter breakdown voltage and 100 mA maximum collector current supporting a wide range of low-power switching loads
- 3-pin UMT (SOT-323) package with only 3 pF collector-base capacitance enabling fast switching in space-constrained PCB layouts
Applications
PDTA144EU is used in low-power digital switching circuits, microcontroller interface stages, and LED driver applications where a PNP transistor switch is needed without discrete base resistors. Its built-in 47 kΩ resistors allow direct drive from 3.3 V or 5 V logic signals, reducing BOM count and PCB area in consumer electronics, portable devices, and industrial control boards. The compact UMT package and 50 V rating make it suitable for relay drivers, signal inverters, and current mirrors in space-constrained designs.
Specifications
| Date Of Intro | 1995-11-01 |
| YTEOL | 7 |
| Additional Feature | BUILT IN BIAS RESISTANCE RATIO IS 1 |
| Collector Current-Max (IC) | 0.1A |
| Collector-Base Capacitance-Max | 3pF |
| Collector-Emitter Voltage-Max | 50V |
| Configuration | SINGLE WITH BUILT-IN RESISTOR |
| DC Current Gain-Min (hFE) | 80 |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity/Channel Type | PNP |
| Power Dissipation-Max (Abs) | 0.2W |
| Reference Standard | IEC-60134 |
| Surface Mount | YES |
| Terminal Finish | TIN |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Transition Frequency-Nom (fT) | 180MHz |
| VCEsat-Max | 0.15V |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What built-in resistor configuration does PDTA144EU include, and how does it simplify circuit design?
PDTA144EU incorporates two 47 kΩ bias resistors with a ratio of 1 (R1 = R2 = 47 kΩ) between the base and emitter, and between the input and base. This built-in configuration eliminates the need for external discrete base resistors, reducing BOM count by 2 components and saving PCB area in switching circuits driven from standard 3.3 V or 5 V logic outputs.
What are the collector current and voltage ratings of PDTA144EU, and what loads can it switch?
PDTA144EU is rated for a maximum collector current of 100 mA and a collector-emitter voltage of up to 50 V, with a minimum DC current gain (hFE) of 80. These ratings allow it to switch loads such as LEDs up to 100 mA, small relays, and logic-level signal lines, covering the majority of low-power PNP switching applications in consumer and industrial electronics.
How does the 3-pin UMT package of PDTA144EU compare to a standard SOT-23 for high-density PCB placement?
The UMT (SOT-323) package is physically smaller than the standard SOT-23 (SOT-23-3), offering a body size of approximately 2.0 x 1.25 mm compared to 2.9 x 1.3 mm for SOT-23. This reduction is significant in portable or wearable designs where PDTA144EU's 3-pin single-transistor configuration with 3 pF collector-base capacitance must fit in extremely tight PCB areas alongside other components.
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