Nexperia USA Inc. PDTC114EU/ZLX
- Part No.:
- PDTC114EU/ZLX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- -
- Datasheet:
-
PDTC114EU/ZLX.pdf
- Description:
- TRANS PREBIAS
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Product details
Overview
PDTC114EU from Nexperia is an NPN resistor-equipped transistor (RET) in SOT323 (SC-70) package, integrating 10 kΩ input bias resistor (R1) and 10 kΩ emitter feedback resistor (R2), rated for 50 V VCEO, 100 mA output current, and operating up to 150 °C junction temperature - used as a digital switch in automotive and industrial control interfaces.
For engineers reviewing the PDTC114EU datasheet, PDTC114EU pinout, PDTC114EU application, or PDTC114EU equivalent, this page delivers verified pin functions, real-world switching use cases, thermal derating behavior, and validated alternatives to BC847-based discrete bias networks.
Technical Context
This RET integrates a monolithic NPN transistor with two precision laser-trimmed on-die resistors: R1 connects base to input, R2 connects base to emitter, enabling single-resistor drive logic-level switching without external bias components. It operates in saturation mode with guaranteed VCE(sat) ≤ 150 mV at IC = 10 mA / IB = 0.5 mA.
The device exhibits hFE ≥ 30 at VCE = 5 V and IC = 5 mA, supports VI(on) ≤ 2.5 V and VI(off) ≥ 0.8 V at 25 °C, and maintains stable R2/R1 ratio (0.8–1.2) across temperature - ensuring consistent turn-on/turn-off thresholds in noisy digital environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - maximum collector-emitter voltage before breakdown; enables direct interface with 24 V industrial logic rails. |
| IO | 100 mA - continuous DC output current capability; sufficient to drive LED indicators, small relays, or logic inputs. |
| R1 | 10 kΩ ±30% - integrated base-input resistor; eliminates need for external pull-up/pull-down in open-collector or microcontroller GPIO switching. |
| R2/R1 | 1.0 ±0.2 - matched internal resistor ratio; ensures stable current gain and predictable saturation behavior across temperature. |
| VCE(sat) | ≤150 mV at IC=10 mA, IB=0.5 mA - low saturation voltage minimizes power loss and heat generation in high-duty-cycle switching. |
| fT | 230 MHz - transition frequency of the embedded transistor; supports fast edge rates in digital signal routing up to ~10 MHz. |
| Ptot | 200 mW at Tamb ≤ 25 °C - total power dissipation limit on FR4 PCB; derates linearly above 25 °C per 625 K/W thermal resistance. |
Pinout & Package
SOT323 (SC-70) plastic surface-mount package: 3-pin, 1.3 mm pitch, 2.0 mm × 1.25 mm × 0.95 mm body height, optimized for high-density PCB layouts and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base) | Connected internally to R1; accepts TTL/CMOS logic-level signals directly without series resistor. |
| 2 | Ground (emitter) | Common reference node; ties emitter to system ground and provides return path for R2 current. |
| 3 | Output (collector) | Switched high-side output node; sinks load current when active; compatible with open-collector bus configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Monolithic R1 (10 kΩ) + R2 (10 kΩ) eliminates 2 external resistors and reduces BOM count by one component. |
| Guaranteed saturation performance | VCE(sat) ≤ 150 mV at IC/IB = 20 ensures reliable low-loss switching even under marginal drive conditions. |
| Thermal robustness | 150 °C max junction temperature and 625 K/W Rth(j-a) support operation in sealed enclosures or near heat sources. |
| Logic-compatible input threshold | VI(on) ≤ 2.5 V and VI(off) ≥ 0.8 V at 25 °C enable direct interfacing with 3.3 V and 5 V microcontrollers without level-shifting. |
Applications
| Automotive Body Control Module | Industrial PLC Input Stage |
|---|---|
|
Use Scenario: Switching 12 V indicator LEDs and solenoid drivers in door module PCBs. IC Role / Device Role / Timing Role: Digital output switch replacing discrete BJT + resistor pair; driven by 3.3 V MCU GPIO. Use Value: Reduces footprint by 35% and eliminates resistor placement error risk during SMT assembly. |
Use Scenario: Level-shifting and isolation of 24 V field sensor signals into 5 V logic inputs. IC Role / Device Role / Timing Role: Input conditioning switch providing noise immunity and current limiting for optocoupler or ADC front-end. Use Value: Built-in R1/R2 ratio stabilizes input hysteresis and improves ESD tolerance over discrete designs. |
| Consumer Appliance UI Panel | IoT Edge Node Power Sequencing |
|
Use Scenario: Driving backlight segments and tactile feedback buzzers in white-goods control panels. IC Role / Device Role / Timing Role: Low-power digital switch enabling PWM dimming control with minimal gate drive overhead. Use Value: 100 mA rating supports simultaneous activation of multiple loads without thermal throttling. |
Use Scenario: Enabling/disabling auxiliary power rails (e.g., RF modem, sensor bias) based on MCU wake state. IC Role / Device Role / Timing Role: Controlled load switch with defined turn-on delay and clean cutoff via integrated resistor network. Use Value: Eliminates need for external pull-down on enable lines, reducing standby current leakage paths. |
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 | Discrete NPN BJT with no built-in resistors; requires external 10 kΩ base resistor for equivalent biasing. | Higher component count and layout area; less immune to ESD-induced latch-up due to missing R2 feedback path. | Select when fine-tuned biasing or higher fT (>300 MHz) is required; not drop-in for RET footprints. |
| PDTC124EU | Same SOT323 package but with R1 = 22 kΩ, R2 = 47 kΩ (R2/R1 ≈ 2.1); lower input sensitivity and higher VI(on). | Better suited for 5 V logic drive where higher input impedance reduces MCU loading; unsuitable for 3.3 V GPIO without margin. | Choose for legacy 5 V systems requiring higher noise immunity; verify VI(on) > 2.8 V at worst-case temperature. |
Compared with BC847B and PDTC124EU, PDTC114EU offers optimal balance of 3.3 V logic compatibility, compact RET integration, and thermal margin - making it preferred for space-constrained, cost-sensitive digital switching where consistent VI(on)/VI(off) thresholds are critical.
Availability
PDTC114EU is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and consumer appliance control panels requiring stable component supply and long-term production continuity.
Supply support for PDTC114EU 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 standard products including logic, discretes, MOSFETs, and analog ICs - headquartered in Nijmegen, Netherlands.
PDTC114EU belongs to Nexperia's Resistor-Equipped Transistor (RET) family, engineered specifically to replace discrete BJT + resistor combinations in digital switching applications while improving manufacturing yield and board-level reliability.
FAQ
What is the maximum ambient temperature for continuous 100 mA operation?
At 100 mA output current, the device dissipates up to ~15 mW in saturation (VCE(sat) × IC). With Ptot = 200 mW at 25 °C and Rth(j-a) = 625 K/W, full-rated current is sustainable up to ~125 °C ambient - confirmed by Fig. 1 derating curve showing 100% power at 25 °C and linear reduction to zero at 150 °C.
Can PDTC114EU replace BC847 in existing designs without layout changes?
No - BC847 uses SOT23-3 (2.9 mm × 1.3 mm), while PDTC114EU uses SOT323 (2.0 mm × 1.25 mm). Footprint and pad dimensions differ significantly (see Fig. 11 vs. BC847 SOT23 land pattern). Electrical substitution requires both schematic and PCB revision to accommodate smaller SC-70 package and updated solder mask geometry.
Is PDTC114EU qualified for automotive applications?
No - per Revision History (Section 14), v.15 explicitly states "Product(s) changed to non-automotive qualification" as of June 2023. Automotive-grade equivalents (e.g., PDTC114YU-Q) are separately qualified to AEC-Q101 and marked with '-Q' suffix; PDTC114EU must not be used in safety-critical or automotive-certified systems.
How does the R2/R1 ratio affect switching behavior?
The R2/R1 ratio (0.8–1.2 typ. 1.0) sets internal base-emitter feedback strength, which stabilizes DC current gain and suppresses thermal runaway. A ratio near unity ensures predictable VI(on) and VI(off) thresholds across temperature - unlike discrete designs where resistor tolerances and thermal drift cause inconsistent switching points.
PDTC114EU/ZLX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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:
- -
PDTC114EU/ZLX FAQ
1.How can I place an order for PDTC114EU/ZLX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC114EU/ZLX 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 PDTC114EU/ZLX reliable?
The price and inventory of PDTC114EU/ZLX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC114EU/ZLX is usually 5 days.
3.What payment methods are accepted for PDTC114EU/ZLX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC114EU/ZLX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC114EU/ZLX?
PDTC114EU/ZLX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC114EU/ZLX 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 PDTC114EU/ZLX?
For technical support, including PDTC114EU/ZLX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC114EU/ZLX requirements.
6.How does Aetrix verify that PDTC114EU/ZLX is sourced from the original manufacturer or authorized distributors?
All PDTC114EU/ZLX 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 PDTC114EU/ZLX meets industry standards.
7.What is the process for return or replacement of PDTC114EU/ZLX?
All PDTC114EU/ZLX units undergo pre-shipment inspection (PSI). If there is an issue with PDTC114EU/ZLX, 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 PDTC114EU/ZLX part is unused and in its original packaging.
Return procedure for PDTC114EU/ZLX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC114EU/ZLX Tags

-
MUN5211T1G
onsemi

-
DTC043ZEBTL
Rohm Semiconductor

-
DTC114EKAT146
Rohm Semiconductor

-
DDTD113ZC-7-F
Diodes Incorporated

-
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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