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Nexperia USA Inc. PDTC144EQB-QZ
- Part No.:
- PDTC144EQB-QZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- 3-XDFN Exposed Pad
- Datasheet:
-
PDTC144EQB-QZ.pdf
- Description:
- TRANS PREBIAS NPN 50V 0.1A 3DFN
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
PDTC144EQB-Q from Nexperia is a 50 V, 100 mA NPN resistor-equipped transistor (RET) in a DFN1110D-3 (SOT8015) leadless package with side-wettable flanks. It integrates 47 kΩ input and output bias resistors, delivers 100 mA output current, achieves 80× DC current gain at 5 mA collector current, and is qualified to AEC-Q101 for automotive digital switching applications such as microcontroller I/O load control.
For engineers reviewing the PDTC144EQB-Q datasheet, PDTC144EQB-Q pinout, PDTC144EQB-Q application, or PDTC144EQB-Q equivalent, this page provides verified pin functions, thermal derating curves, on/off-state input voltage thresholds, saturation voltage under defined drive conditions, and validated automotive-grade alternatives for digital logic interface design.
Technical Context
This RET implements an integrated NPN bipolar junction transistor with two monolithic silicon resistors: R1 = 47 kΩ between base and input terminal, and R2 = 47 kΩ between base and emitter. The device operates as a single-stage digital switch with fixed bias network, eliminating external base resistors in low-speed logic-level translation and load driving circuits.
Its 0.48 mm profile and side-wettable flanks support automated optical inspection (AOI) of solder joints and comply with AEC-Q101 stress testing for automotive ambient temperature ranges (−55 °C to +150 °C), enabling use in engine control modules and body electronics where space and reliability are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage before breakdown; defines upper rail limit for 24 V automotive systems with margin. |
| IO | 100 mA - Continuous output current capability; sufficient for driving LEDs, small relays, or logic inputs without external buffering. |
| hFE | 80 - DC current gain at VCE = 5 V, IC = 5 mA; ensures reliable saturation with low base drive current in digital switching. |
| VCE(sat) | 100 mV - Collector-emitter saturation voltage at IC = 10 mA, IB = 0.5 mA; minimizes power loss and self-heating during on-state operation. |
| R1, R2 | 47 kΩ each - Integrated bias resistors eliminate two external components, reduce PCB area, and improve assembly yield in high-volume SMT production. |
| VI(on) | 1.6–3.0 V - On-state input voltage range at VCE = 0.3 V and IC = 2 mA; compatible with 1.8 V, 3.3 V, and 5 V logic families without level shifting. |
| Tj(max) | 150 °C - Maximum junction temperature; supports operation in under-hood environments when mounted on standard FR4 PCBs. |
Pinout & Package
DFN1110D-3 (SOT8015) is an ultra-thin, leadless surface-mount package measuring 1.1 × 1.0 × 0.48 mm with side-wettable flanks for AOI-compatible reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (I) | Input (base node) | Connects to logic signal source; internal R1 pulls base toward this terminal for controlled turn-on. |
| 2 (GND) | GND (emitter) | Emitter reference and return path; tied to system ground; forms common node for R2 and transistor emitter. |
| 3 (O) | Output (collector) | Switched high-side output node; connects to load (e.g., LED anode or relay coil); sinks current when active. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control units and body controllers per discrete semiconductor stress test standard. |
| Side-wettable flanks | Enables automated optical inspection of solder joints on bottom terminals, improving manufacturing defect detection in high-reliability production. |
| 0.5 mm max height | Ultra-low profile allows placement beneath connectors or in tight stacking configurations typical in ADAS and infotainment modules. |
| Integrated R1/R2 = 47 kΩ | Reduces bill-of-materials count by two resistors and eliminates associated layout routing, saving ~0.5 mm² PCB area per device. |
| 100 mA continuous IO | Supports direct drive of multiple standard LEDs or small-signal MOSFET gates without additional amplification stages. |
Applications
| Automotive Body Control Module | Industrial PLC Input Interface |
|---|---|
Use Scenario: Driving indicator LEDs and small solenoids in door module PCBs with limited board space and strict thermal constraints. IC Role / Device Role / Timing Role: Digital switch translating 3.3 V MCU GPIO signals into 12 V/24 V load control paths with built-in current limiting. Use Value: Eliminates discrete base resistor and reduces thermal resistance vs. SO-23 packages, enabling higher channel density in compact modules. | Use Scenario: Isolating and conditioning 24 V industrial sensor signals before feeding into 5 V microcontroller ADC inputs. IC Role / Device Role / Timing Role: Level-shifting buffer providing galvanic separation via open-collector output and logic-compatible input threshold. Use Value: Replaces BC847-Q series with identical footprint while reducing component count and improving AOI yield in factory automation equipment. |
| Consumer Appliance Control Board | Automotive HVAC Actuator Driver |
Use Scenario: Controlling status LEDs and buzzer drivers on white-goods mainboards operating at 5 V supply with variable ambient temperatures. IC Role / Device Role / Timing Role: Low-power digital switch interfacing between ASIC outputs and passive loads, requiring no external biasing. Use Value: Maintains stable on/off behavior across −40 °C to +85 °C ambient due to matched on-state input voltage (VI(on)) and low VCE(sat). | Use Scenario: Driving stepper motor phase enable lines and feedback optocoupler inputs in climate control actuators exposed to under-dash thermal cycling. IC Role / Device Role / Timing Role: Robust digital interface element handling intermittent 12 V pulses and ESD transients in passenger compartment environments. Use Value: Qualified to AEC-Q101 and rated for 150 °C junction temperature, ensuring long-term reliability without derating in thermally constrained enclosures. |
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 |
|---|---|---|---|
| PDTC124EQB-Q | R1/R2 = 22 kΩ; hFE = 60 at IC = 5 mA; lower VI(on) threshold (1.7 V typ) | Better suited for 1.8 V logic interfaces and faster switching in battery-powered devices | Select when driving low-voltage MCUs or optimizing for lower input drive current at reduced gain. |
| BC847B-Q | Discrete NPN BJT without integrated resistors; requires external base resistor; same SOT323 package | Offers higher hFE (200–450) and wider VCEO margin (65 V), but increases BOM and layout complexity | Choose when precise bias tuning or higher gain is required, and board space permits external resistor placement. |
Compared with PDTC124EQB-Q, PDTC144EQB-Q provides higher input impedance and better noise immunity for 3.3 V/5 V systems, while BC847B-Q offers greater flexibility in bias design at the cost of two extra passives and less AOI-friendly packaging.
Availability
PDTC144EQB-Q is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, consumer appliance control boards, and HVAC actuator driver designs requiring stable component supply and AEC-Q101 compliance.
Supply support for PDTC144EQB-Q 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 essential efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.
PDTC144EQB-Q belongs to Nexperia's AEC-Q101-qualified resistor-equipped transistor family, engineered specifically for space-constrained digital switching in automotive and industrial control systems where component count reduction and AOI compatibility are critical.
FAQ
What is the maximum allowable ambient temperature for continuous operation?
The PDTC144EQB-Q supports continuous operation up to +150 °C ambient temperature when mounted on an FR4 PCB with 70 µm copper, per its AEC-Q101 qualification and thermal derating curve data. At 100 °C ambient, total power dissipation remains within 420 mW limits, making it suitable for under-hood automotive locations with proper thermal layout.
Can PDTC144EQB-Q replace BC847B in existing designs without layout changes?
No - PDTC144EQB-Q uses the DFN1110D-3 (SOT8015) package, while BC847B typically uses SOT323. Footprint, solder pad geometry, and thermal land patterns differ significantly. Migration requires PCB redesign to accommodate the smaller 1.1 × 1.0 mm body and side-wettable flank pads, though both serve similar digital switching roles.
What is the significance of the 'E9' marking on the device top?
The 'E9' laser marking identifies the PDTC144EQB-Q variant per Nexperia's ordering matrix, distinguishing it from PDTC143EQB-Q (E6), PDTC114EQB-Q (D9), and PDTC124EQB-Q (E4). This code enables traceability and automated optical verification during assembly and final test, aligning with automotive process control requirements.
How does the 47 kΩ R1/R2 ratio affect switching speed?
With R1 = R2 = 47 kΩ, the base charging/discharging time constant increases relative to lower-resistance RETs like PDTC114EQB-Q (10 kΩ), resulting in slower turn-on/turn-off transitions. Measured fT is 230 MHz, but practical digital switching is limited to ≤1 MHz due to RC delay; this trade-off prioritizes noise immunity and low standby current over high-frequency performance.
PDTC144EQB-QZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 3-XDFN Exposed Pad
- 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):
- 47 kOhms
- Resistor - Emitter Base (R2):
- 47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 80 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 100mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 100nA
- Frequency - Transition:
- 230 MHz
- Power - Max:
- 340 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- DFN1110D-3
PDTC144EQB-QZ FAQ
1.How can I place an order for PDTC144EQB-QZ through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC144EQB-QZ 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 PDTC144EQB-QZ reliable?
The price and inventory of PDTC144EQB-QZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC144EQB-QZ is usually 5 days.
3.What payment methods are accepted for PDTC144EQB-QZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC144EQB-QZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC144EQB-QZ?
PDTC144EQB-QZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC144EQB-QZ 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 PDTC144EQB-QZ?
For technical support, including PDTC144EQB-QZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC144EQB-QZ requirements.
6.How does Aetrix verify that PDTC144EQB-QZ is sourced from the original manufacturer or authorized distributors?
All PDTC144EQB-QZ 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 PDTC144EQB-QZ meets industry standards.
7.What is the process for return or replacement of PDTC144EQB-QZ?
All PDTC144EQB-QZ units undergo pre-shipment inspection (PSI). If there is an issue with PDTC144EQB-QZ, 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 PDTC144EQB-QZ part is unused and in its original packaging.
Return procedure for PDTC144EQB-QZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC144EQB-QZ Tags
-
MUN5211T1G
onsemi
-
DTC043ZEBTL
Rohm Semiconductor
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DTC114EKAT146
Rohm Semiconductor
-
DDTD113ZC-7-F
Diodes Incorporated
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DRDNB16W-7
Diodes Incorporated
-
PDTC114ET,215
Nexperia USA Inc.
-
PDTC143ZT,215
Nexperia USA Inc.
-
PDTC143ET,215
Nexperia USA Inc.
-
PDTC143XT,215
Nexperia USA Inc.
-
MMUN2211LT1G
onsemi
-
PDTC144ET,215
Nexperia USA Inc.
-
PDTC124ET,215
Nexperia USA Inc.
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