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NXP Semiconductors PDTC144EE,115
- Part No.:
- PDTC144EE,115
- Manufacturer:
- NXP Semiconductors
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-75, SOT-416
- Datasheet:
-
PDTC144EE,115.pdf
- Description:
- TRANS PREBIAS NPN 50V 0.1A SC75
- Quantity:
- Payment:
- Shipping:
Inventory:3,926
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Product details
Overview
PDTC144EE from Nexperia is an NPN resistor-equipped transistor (RET) in SOT416 (SC-75) package, designed for digital switching applications with built-in bias resistors R1 = 47 kΩ and R2 = 47 kΩ, 50 V VCEO, 100 mA IO, and AEC-Q101 qualification - used for IC input control and load switching in automotive and industrial electronics.
For engineers reviewing the PDTC144EE datasheet, PDTC144EE pinout, PDTC144EE application, or PDTC144EE equivalent, this page delivers verified electrical parameters, thermal limits, pin-level circuit roles, real-world use cases, and validated alternative parts - all aligned to the official Nexperia PDTC144E_SER Rev. 9 data sheet.
Technical Context
The PDTC144EE integrates a monolithic NPN transistor with two precision silicon-based bias resistors (R1 and R2), eliminating external base resistors and reducing PCB footprint. Its internal resistor ratio R2/R1 = 1.0 ±0.2 enables reliable saturation under standard logic drive conditions.
It operates as a single-stage digital switch: the input (Pin 1) connects to logic-level signals (VI(on) = 1.6 V typ at IC = 2 mA), emitter (Pin 2) serves as GND reference, and collector (Pin 3) drives loads up to 100 mA with VCE(sat) ≤ 150 mV at IC = 10 mA/IB = 0.5 mA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V maximum - supports switching of 24 V automotive and industrial control rails without risk of breakdown. |
| IO | 100 mA continuous output - sufficient for driving LEDs, small relays, MOSFET gates, or logic inputs. |
| R1 | 47 kΩ ±28% - sets base current limit for predictable turn-on with 3.3 V or 5 V microcontroller outputs. |
| R2/R1 | 1.0 ±0.2 - ensures stable feedback for consistent saturation and immunity to β variation across temperature. |
| VCE(sat) | ≤150 mV at IC = 10 mA / IB = 0.5 mA - minimizes power loss and self-heating during sustained conduction. |
| Tj max | 150 °C - enables operation in under-hood automotive environments and sealed industrial enclosures. |
| Ptot | 150 mW at Tamb ≤ 25 °C - defines thermal derating envelope for SOT416 mounting on FR4 PCBs. |
Pinout & Package
SOT416 (SC-75) ultra-small surface-mount plastic package: 1.8 mm × 0.95 mm × 0.7 mm body, 3-lead configuration, optimized for high-density routing and reflow soldering only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | input (base) | Accepts logic-level voltage (VI(on) ≥ 1.6 V); internally connected to R1 and R2 network - no external base resistor required. |
| 2 | GND (emitter) | Emitter terminal tied to system ground; provides return path for both input bias and output current. |
| 3 | output (collector) | Switched high-side output node; sinks up to 100 mA when saturated - connects directly to load cathode or gate. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 + R2 bias network | Eliminates two external resistors, reduces BOM count, and removes layout sensitivity to parasitic trace inductance/capacitance. |
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity testing, and ESD robustness per JESD22-A114. |
| VEBO = 10 V | Enables safe interface with open-collector or push-pull logic families without clamping diodes. |
| hFE ≥ 80 at IC = 5 mA | Ensures deep saturation with low drive current - compatible with 3.3 V GPIOs delivering <1 mA base current. |
| fT = 230 MHz | Supports fast switching (ton/toff < 10 ns typical) in pulse-width modulation and digital signal routing. |
Applications
| Automotive LED Lighting Control | Industrial PLC Input Conditioning |
|---|---|
|
Use Scenario: Driving 12 V LED strings in dashboard backlighting or exterior marker lamps using MCU GPIO. IC Role / Device Role: Digital switch interfacing between 3.3 V microcontroller and higher-voltage LED load. Use Value: Built-in R1/R2 eliminates discrete resistor placement, reduces assembly cost, and ensures consistent turn-on threshold across temperature (-40 °C to +125 °C). |
Use Scenario: Level-shifting and current-limiting 24 V sensor signals into 5 V logic inputs of programmable logic controllers. IC Role / Device Role: Input buffer and current limiter protecting downstream logic from overvoltage transients. Use Value: 50 V VCEO and 10 V VEBO provide margin against field-induced spikes; AEC-Q101 rating confirms suitability for harsh industrial environments. |
| Consumer Appliance Motor Enable | IoT Sensor Interface Protection |
|
Use Scenario: Enabling small DC brush motors in smart home appliances via microcontroller PWM output. IC Role / Device Role: Low-side switch controlling motor ground path with fast response and low conduction loss. Use Value: VCE(sat) ≤ 150 mV minimizes heat generation during continuous duty; 100 mA rating covers typical fan/micro-motor loads. |
Use Scenario: Isolating analog sensor outputs (e.g., thermistors, Hall sensors) from MCU ADC inputs in battery-powered edge devices. IC Role / Device Role: Overvoltage clamp and current-limited interface preventing ESD damage to sensitive ADC front-ends. Use Value: VI(off) = 0.8 V typ ensures reliable cutoff below logic low thresholds; integrated resistors prevent floating base conditions during sleep modes. |
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 |
|---|---|---|---|
| BC847B,115 | No integrated bias resistors; requires external RB and RBE; hFE = 200–450 vs. fixed gain behavior of PDTC144EE. | Higher design flexibility but increases component count, layout area, and calibration effort for consistent switching. | Select BC847B,115 only when variable gain or adjustable saturation current is required; otherwise PDTC144EE reduces design cycle time. |
| PDTA144EE | PNP complement with identical R1/R2 values (47 kΩ), same SOT416 package, and matching thermal specs (150 mW, 150 °C Tj). | Used where high-side switching or complementary logic stages (e.g., push-pull drivers) are needed instead of low-side sinking. | Choose PDTA144EE when sourcing current from supply rail is required; PDTC144EE remains optimal for grounded-load configurations. |
Compared with BC847B,115, the PDTC144EE trades external component flexibility for guaranteed bias stability and reduced assembly cost; versus PDTA144EE, it provides NPN polarity essential for low-side switching topologies without level-shifting circuitry.
Availability
PDTC144EE is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC input conditioning, consumer appliance motor enable, and IoT sensor interface protection requiring stable component supply and long-term lifecycle support.
Supply support for PDTC144EE 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 high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and energy-efficient solutions.
The PDTC144E series was developed to replace legacy BJT+resistor combinations in digital switching applications - targeting space-constrained, cost-sensitive automotive and industrial systems needing AEC-Q101 compliance and simplified design-in.
FAQ
What is the maximum operating temperature for PDTC144EE?
The PDTC144EE has a maximum junction temperature (Tj) of 150 °C and an ambient operating range of −65 °C to +150 °C. Its thermal resistance Rth(j-a) is 830 K/W on FR4 PCB, meaning power dissipation must be derated above 25 °C ambient - e.g., Ptot drops to ~100 mW at 70 °C ambient. This makes PDTC144EE suitable for under-hood automotive modules and sealed industrial enclosures.
Does PDTC144EE require external base resistors?
No, PDTC144EE does not require external base resistors. It integrates R1 = 47 kΩ and R2 = 47 kΩ internally, forming a complete bias network that enables direct connection to 3.3 V or 5 V logic outputs. This eliminates two passive components, reduces PCB area, and removes sensitivity to trace parasitics - a key advantage over discrete BJT solutions like BC847B,115.
What is the pin configuration of PDTC144EE in SOT416 package?
The PDTC144EE uses standard SOT416 pinout: Pin 1 is input (base), Pin 2 is GND (emitter), and Pin 3 is output (collector). This matches the graphic symbol and simplified outline in Nexperia's official datasheet (Fig. 2, sym007), and is consistent across all PDTC144E variants (EE/EM/ET/EU). No orientation ambiguity exists - marking "08" aligns with Pin 1 indicator.
Is PDTC144EE qualified for automotive applications?
Yes, PDTC144EE is AEC-Q101 qualified per Nexperia's official documentation. This certification covers stress tests including temperature cycling, high-temperature reverse bias, and ESD (HBM ≥ 8 kV), confirming suitability for automotive powertrain, body electronics, and infotainment systems. The qualification applies specifically to the PDTC144EE variant in SOT416 packaging.
How does PDTC144EE compare to BC847B,115 in digital switching?
PDTC144EE replaces BC847B,115 in digital switching by integrating bias resistors - reducing component count, eliminating tuning effort, and improving consistency across voltage/temperature. While BC847B,115 offers wider hFE range (200–450), PDTC144EE guarantees stable saturation with VI(on) = 1.6 V and VCE(sat) ≤ 150 mV, making it more predictable for automated manufacturing and high-reliability applications.
PDTC144EE,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- SC-75, SOT-416
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- -
- Power - Max:
- 150 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-75
PDTC144EE,115 FAQ
1.How can I place an order for PDTC144EE,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC144EE,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 PDTC144EE,115 reliable?
The price and inventory of PDTC144EE,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC144EE,115 is usually 5 days.
3.What payment methods are accepted for PDTC144EE,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC144EE,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC144EE,115?
PDTC144EE,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC144EE,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 PDTC144EE,115?
For technical support, including PDTC144EE,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC144EE,115 requirements.
6.How does Aetrix verify that PDTC144EE,115 is sourced from the original manufacturer or authorized distributors?
All PDTC144EE,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 PDTC144EE,115 meets industry standards.
7.What is the process for return or replacement of PDTC144EE,115?
All PDTC144EE,115 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC144EE,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 PDTC144EE,115 part is unused and in its original packaging.
Return procedure for PDTC144EE,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC144EE,115 Tags
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MUN5211T1G
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DTC043ZEBTL
Rohm Semiconductor
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DTC114EKAT146
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DDTD113ZC-7-F
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DRDNB16W-7
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MMUN2211LT1G
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