Nexperia USA Inc. PDTC144EMB,315
- Part No.:
- PDTC144EMB,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- 3-XFDFN
- Datasheet:
-
PDTC144EMB,315.pdf
- Description:
- TRANS PREBIAS NPN 50V 0.1A 3DFN
- Quantity:
- Payment:

- Shipping:

Inventory:3,440
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Product details
Overview
PDTC144EMB from Nexperia is an NPN resistor-equipped transistor (RET) in a leadless DFN1006B-3 (SOT883B) package, designed for digital switching in space-constrained applications. It integrates 47 kΩ input bias resistor (R1) and 47 kΩ emitter feedback resistor (R2), supports 100 mA output current, features 50 V VCEO, and is AEC-Q101 qualified for automotive use - deployed in mobile peripheral drivers and IC input control circuits.
For engineers reviewing the PDTC144EMB datasheet, PDTC144EMB pinout, PDTC144EMB application, or PDTC144EMB equivalent, this page delivers verified electrical parameters, validated SOT883B terminal mapping, real-world use cases in low-current digital interface design, and confirmed automotive-grade alternatives with documented bias resistor ratios and saturation voltage behavior.
Technical Context
This RET implements a monolithic NPN transistor with two integrated precision silicon resistors: R1 (base-to-input) and R2 (base-to-emitter), enabling single-resistor external drive while eliminating discrete bias network layout. The 0.37 mm package height and 1.0 × 0.6 mm footprint support ultra-dense PCB routing in portable electronics.
It operates as a saturated switch with guaranteed VCE(sat) ≤ 150 mV at IC = 10 mA / IB = 0.5 mA, VI(on) = 1.6 V typical at IC = 2 mA, and VI(off) = 1.2 V typical at IC = 100 µA - ensuring robust logic-level compatibility with 1.8 V to 5 V microcontroller outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - maximum safe collector-emitter voltage under open-base condition; enables use in 24 V automotive signal chains. |
| IO | 100 mA - continuous DC output current capability; sufficient for driving LED indicators, small relays, or logic inputs. |
| R1 | 47 kΩ (typical) - internal base pull-up resistor; eliminates need for external bias resistor in high-side switch configurations. |
| R2/R1 ratio | 1.0 (typical) - matched internal resistor ratio ensures stable gain and predictable turn-on threshold across temperature. |
| VCE(sat) | ≤150 mV at IC=10 mA/IB=0.5 mA - low saturation voltage minimizes power loss and self-heating in battery-powered systems. |
| fT | 230 MHz - transition frequency of the embedded transistor; supports fast digital switching up to ~10 MHz edge rates. |
| AEC-Q101 | Qualified - meets stress test requirements for automotive discrete semiconductors; suitable for under-hood and infotainment modules. |
Pinout & Package
Package: DFN1006B-3 (SOT883B), leadless ultra-small plastic package; dimensions 1.0 × 0.6 × 0.37 mm; 3 solder lands; tin-plated copper terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base connection via R1) | Accepts logic-level drive signal; internally connected to R1 (47 kΩ) leading to transistor base. |
| 2 | GND (emitter) | Emitter terminal tied to ground reference; also connects to R2 (47 kΩ) for feedback biasing. |
| 3 | Output (collector) | Switched high-side output node; delivers up to 100 mA load current with low VCE(sat). |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Eliminates two external resistors, reducing BOM count and PCB area by >1.2 mm² in typical 3-pin switch layouts. |
| Ultra-low profile | 0.37 mm max height enables placement beneath connectors or under display flex cables in smartphones and wearables. |
| Logic-compatible VI(on) | 1.6 V typical on-state input voltage allows direct drive from 1.8 V GPIO without level-shifting circuitry. |
| AEC-Q101 qualification | Validated for automotive ambient temperatures (−40 °C to +150 °C) and mechanical shock/vibration per JESD22-A108. |
| Thermal resistance | Rth(j-a) = 500 K/W - enables 250 mW power dissipation at 25 °C ambient when mounted on standard FR4 PCB. |
Applications
| Automotive Interior Lighting Control | Smartphone Status Indicator Driver |
|---|---|
Use Scenario: Driving individual RGB LED segments in dashboard backlighting modules with PWM dimming. IC Role / Device Role / Timing Role: Low-side switch controlling cathode current path; handles 20–100 mA pulsed loads at 1–5 kHz. Use Value: Integrated R1/R2 ensures consistent turn-on timing across temperature, eliminating drift in PWM duty cycle fidelity. |
Use Scenario: Enabling/disabling status LEDs (e.g., charging, Bluetooth, notification) in space-limited smartphone mainboard layouts. IC Role / Device Role / Timing Role: Digital output buffer translating 1.8 V MCU GPIO signals into 20 mA LED sink current. Use Value: 0.37 mm height avoids interference with stacked memory packages; 150 mV VCE(sat) preserves battery runtime over 10⁶ switching cycles. |
| Industrial Sensor Interface Board | USB-C Port Configuration Detection |
Use Scenario: Level-shifting and isolation of digital enable signals between 3.3 V microcontrollers and 5 V sensor supply rails. IC Role / Device Role / Timing Role: Logic-level translator acting as active-low enable gate for LDOs or op-amp bias networks. Use Value: VI(off) = 1.2 V ensures reliable cutoff even with noisy 3.3 V rail; AEC-Q101 rating supports extended industrial temperature operation. |
Use Scenario: Detecting CC (Configuration Channel) line state in USB-C receptacles to determine plug orientation and power role. IC Role / Device Role / Timing Role: Fast-switching pull-down element for CC line biasing during USB PD negotiation handshake. Use Value: 230 MHz fT supports clean 300 kHz CC signaling edges; low CC = 2.5 pF prevents signal integrity degradation on 10 cm traces. |
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 |
|---|---|---|---|
| PDTC124EMB | R1 = 22 kΩ, R2 = 22 kΩ - lower input resistance increases base current, reducing VI(on) to 1.3 V but raising power draw. | Better suited for 1.2 V logic interfaces; less margin for noise immunity in 3.3 V systems due to lower VI(off). | Select when driving from sub-1.8 V MCUs or requiring faster turn-on at cost of higher static current. |
| PDTA144EMB | PNP complement - emitter-connected input, collector output; same R1/R2 values but inverted polarity and −100 mA sink capability. | Used in high-side switching where load connects to VCC; requires inverted control logic and different PCB routing. | Choose for complementary high-side driver pairing in H-bridge or dual-rail LED drivers. |
Compared with PDTC144EMB, PDTC124EMB offers lower VI(on) at the expense of reduced noise margin, while PDTA144EMB provides functional symmetry for high-side topology - neither is pin-compatible, and both require layout and logic inversion adjustments.
Availability
PDTC144EMB is available at Aetrix Electronics and suitable for automotive interior lighting control, smartphone status indicator driving, industrial sensor interface boards, and USB-C port configuration detection requiring stable component supply and AEC-Q101 compliance.
Supply support for PDTC144EMB 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.
PDTC144EMB belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to replace general-purpose transistors in digital switching applications by integrating precision bias resistors and minimizing PCB footprint.
FAQ
Is PDTC144EMB suitable for 1.8 V logic-level drive?
Yes - its typical VI(on) is 1.6 V at IC = 2 mA, ensuring reliable turn-on with 1.8 V GPIO outputs. The device maintains VI(off) ≥ 1.2 V, providing adequate noise margin against ground bounce or supply ripple in portable systems.
What is the thermal derating behavior above 25 °C ambient?
PDTC144EMB has a total power dissipation limit of 250 mW at Tamb = 25 °C, derating linearly to zero at 150 °C. Its Rth(j-a) = 500 K/W means junction temperature rises 125 °C per 250 mW - requiring thermal relief pads or airflow in sustained 100 mA operation above 70 °C.
Can PDTC144EMB replace a standard BC847B in digital switching?
Yes, with design adjustments: PDTC144EMB integrates R1/R2, so no external base resistors are needed. However, its fixed 47 kΩ bias network sets specific IB - verify that resulting IC/IB ratio meets required saturation margin (typically ≥20) for your load.
Does PDTC144EMB support reflow soldering per JEDEC J-STD-020?
Yes - the DFN1006B-3 package is qualified for standard lead-free reflow profiles (peak 260 °C, 20–40 s above 217 °C). Footprint dimensions and solder land geometry match Nexperia's recommended reflow layout in Figure 11 of the datasheet.
PDTC144EMB,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 3-XFDFN
- 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:
- 150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 1µA
- Frequency - Transition:
- 230 MHz
- Power - Max:
- 250 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006B-3
PDTC144EMB,315 FAQ
1.How can I place an order for PDTC144EMB,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC144EMB,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 PDTC144EMB,315 reliable?
The price and inventory of PDTC144EMB,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC144EMB,315 is usually 5 days.
3.What payment methods are accepted for PDTC144EMB,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC144EMB,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC144EMB,315?
PDTC144EMB,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC144EMB,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 PDTC144EMB,315?
For technical support, including PDTC144EMB,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC144EMB,315 requirements.
6.How does Aetrix verify that PDTC144EMB,315 is sourced from the original manufacturer or authorized distributors?
All PDTC144EMB,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 PDTC144EMB,315 meets industry standards.
7.What is the process for return or replacement of PDTC144EMB,315?
All PDTC144EMB,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC144EMB,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 PDTC144EMB,315 part is unused and in its original packaging.
Return procedure for PDTC144EMB,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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