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NXP Semiconductors PDTC123JU/ZLX
- Part No.:
- PDTC123JU/ZLX
- Manufacturer:
- NXP Semiconductors
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- -
- Datasheet:
-
PDTC123JU/ZLX.pdf
- Description:
- TRANS PREBIAS NPN SC70
- Quantity:
- Payment:
- Shipping:
Inventory:2,081
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Product details
Overview
PDTC123JU/ZLX from NXP Semiconductors is an AEC-Q101-qualified NPN resistor-equipped transistor (RET) in SOT323 (SC-70) package, featuring integrated bias resistors R1 = 2.2 kΩ and R2/R1 = 21, rated for 50 V VCEO, 100 mA IO, and 200 mW Ptot. It serves as a compact, cost-optimized digital switch for automotive and industrial control circuits.
For engineers reviewing the PDTC123JU/ZLX datasheet, PDTC123JU/ZLX pinout, PDTC123JU/ZLX application, or PDTC123JU/ZLX equivalent, this device offers verified performance in IC input control, load switching, and level-shifting roles where space-constrained PCB layouts and reduced BOM count are critical design requirements.
Technical Context
The PDTC123JU/ZLX integrates a monolithic NPN transistor with two precision laser-trimmed on-die resistors - R1 (input bias) and R2 (base-emitter feedback) - enabling single-resistor drive operation without external base components. Its internal topology eliminates need for discrete bias networks while maintaining predictable VI(on)/VI(off) thresholds.
Designed for digital switching, it delivers guaranteed hFE ≥ 100 at IC = 10 mA, VCE(sat) ≤ 100 mV at IC = 5 mA/IB = 0.25 mA, and operates across −65 °C to +150 °C ambient range. The SOT323 package supports reflow-only assembly per JEDEC J-STD-020.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive and 3.3/5/12 V logic-level systems. |
| IO | 100 mA - Continuous output current capability; sufficient for driving LEDs, small relays, MOSFET gates, or logic inputs. |
| R1 | 2.2 kΩ ±29% - Input bias resistor value; sets base current for defined turn-on behavior with standard CMOS/TTL drive levels. |
| R2/R1 | 21 - Feedback resistor ratio; ensures stable saturation and prevents thermal runaway under varying temperature conditions. |
| Ptot | 200 mW at Tamb ≤ 25 °C - Total power dissipation limit; defines thermal derating curve for reliable operation up to 150 °C junction temperature. |
| VI(on) | 0.75–1.1 V - On-state input voltage threshold; compatible with 1.8 V, 3.3 V, and 5 V microcontroller GPIOs without level shifting. |
| fT | 230 MHz - Transition frequency of internal transistor; supports fast switching in PWM and signal routing applications. |
Pinout & Package
SOT323 (SC-70) plastic surface-mounted package; 3 leads; body dimensions 2.2 × 1.35 × 0.9 mm; standard footprint per Figure 20 (reflow soldering).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | input (base) | Connected internally to R1; accepts logic-level drive signal; requires no external pull-up/down. |
| 2 | GND (emitter) | Emitter terminal tied to system ground; provides return path for load current and bias network. |
| 3 | output (collector) | Switched output node; connects to load (e.g., LED anode, relay coil, MOSFET gate); sinks current when active. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard. |
| Integrated R1 + R2 network | Eliminates two external resistors; reduces PCB area by ~1.5 mm² and eliminates pick-and-place steps for bias components. |
| Low VCE(sat) | ≤100 mV at IC = 5 mA ensures minimal conduction loss and low self-heating in battery-powered or thermally constrained designs. |
| Wide operating temperature | −65 °C to +150 °C ambient range supports under-hood automotive, industrial motor control, and outdoor equipment deployment. |
| Cost-saving BC847 alternative | Direct functional replacement for BC847-series transistors in digital switching roles-no redesign needed beyond footprint adaptation. |
Applications
| Automotive Body Control Module | Industrial PLC Digital Output |
|---|---|
Use Scenario: Driving LED status indicators and small solenoid valves in door modules and lighting controllers. IC Role / Device Role / Timing Role: NPN digital switch providing low-side current sinking with built-in bias network. Use Value: Reduces component count by eliminating discrete base resistors and simplifies layout for high-density automotive PCBs. |
Use Scenario: Isolating and switching 24 V DC outputs from microcontroller GPIOs in programmable logic controllers. IC Role / Device Role / Timing Role: Level-shifting interface between 3.3 V logic and industrial 24 V loads. Use Value: Enables direct GPIO drive without external level translators or discrete transistor biasing, lowering BOM cost and failure points. |
| Consumer Appliance UI Panel | Medical Diagnostic Equipment |
Use Scenario: Controlling backlight LEDs and tactile feedback buzzers in smart home appliance control panels. IC Role / Device Role / Timing Role: Low-power digital switch for intermittent load activation with fast response time. Use Value: Supports 100 mA peak current and 230 MHz fT for clean PWM dimming and audible tone generation. |
Use Scenario: Enabling/disabling sensor bias rails and signal conditioning paths in portable diagnostic devices. IC Role / Device Role / Timing Role: Precision-controlled enable switch ensuring stable power sequencing and leakage control. Use Value: Guaranteed VI(off) ≤ 0.6 V and ICEO ≤ 1 µA prevent unintended activation and support low-power sleep modes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN digital switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847B,115 | Discrete NPN transistor without integrated resistors; requires external RB and RBE for biasing. | Higher BOM count and layout complexity; suitable where adjustable gain or custom bias ratios are required. | Select when fine-tuned hFE control or non-standard R2/R1 ratios are needed; not drop-in compatible. |
| PDTA123JU | PNP complement with identical R1/R2 values and SOT323 package; VECO = 50 V, IO = −100 mA. | Used for high-side switching or complementary logic stages; shares same footprint but opposite polarity. | Choose for dual-NPN/PNP implementations or where sourcing current (vs. sinking) is required in the same board area. |
Compared with BC847B,115, PDTC123JU/ZLX reduces bill-of-materials and layout effort via integrated biasing; compared with PDTA123JU, it provides NPN sinking functionality in identical packaging, enabling polarity-matched design reuse without footprint changes.
Availability
PDTC123JU/ZLX is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, consumer appliance UIs, and medical diagnostic equipment requiring stable component supply and AEC-Q101 compliance.
Supply support for PDTC123JU/ZLX 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The PDTC123JU/ZLX belongs to NXP's resistor-equipped transistor (RET) family, engineered to replace discrete BJT + resistor combinations in digital switching applications-reducing size, cost, and assembly complexity in space- and reliability-critical systems.
FAQ
What is the maximum operating temperature for PDTC123JU/ZLX?
The PDTC123JU/ZLX has a specified ambient temperature range of −65 °C to +150 °C and a maximum junction temperature of 150 °C. Its thermal resistance Rth(j-a) is 625 K/W on FR4 PCB with standard footprint, enabling reliable operation in under-hood automotive and industrial environments when power dissipation remains within derated limits.
Does PDTC123JU/ZLX require external base resistors?
No, PDTC123JU/ZLX does not require external base resistors. It integrates R1 = 2.2 kΩ and R2 = 47 kΩ internally, forming a complete bias network that allows direct connection to logic-level drivers such as microcontroller GPIOs. This eliminates two passive components and associated layout area.
Is PDTC123JU/ZLX pin-compatible with BC847 series transistors?
No, PDTC123JU/ZLX is not pin-compatible with BC847 series transistors. While both use SOT323 packages, PDTC123JU/ZLX has base-input (pin 1), emitter-GND (pin 2), and collector-output (pin 3), whereas BC847 uses emitter-base-collector pinout. PCB redesign is required for substitution.
What is the typical transition frequency (fT) of PDTC123JU/ZLX?
The typical transition frequency (fT) of PDTC123JU/ZLX is 230 MHz, measured at VCE = 5 V and IC = 10 mA. This high fT supports fast switching in PWM-driven loads and digital signal routing applications where rise/fall time minimization is critical.
Can PDTC123JU/ZLX be used in wave soldering processes?
No, wave soldering is not recommended for PDTC123JU/ZLX. The datasheet explicitly states that reflow soldering is the only recommended method. Figure 21 shows a wave soldering footprint for reference, but thermal stress from wave processes may compromise reliability due to the device's small SOT323 package and internal resistor trimming.
PDTC123JU/ZLX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- -
PDTC123JU/ZLX FAQ
1.How can I place an order for PDTC123JU/ZLX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC123JU/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 PDTC123JU/ZLX reliable?
The price and inventory of PDTC123JU/ZLX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC123JU/ZLX is usually 5 days.
3.What payment methods are accepted for PDTC123JU/ZLX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC123JU/ZLX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC123JU/ZLX?
PDTC123JU/ZLX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC123JU/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 PDTC123JU/ZLX?
For technical support, including PDTC123JU/ZLX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC123JU/ZLX requirements.
6.How does Aetrix verify that PDTC123JU/ZLX is sourced from the original manufacturer or authorized distributors?
All PDTC123JU/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 PDTC123JU/ZLX meets industry standards.
7.What is the process for return or replacement of PDTC123JU/ZLX?
All PDTC123JU/ZLX units undergo pre-shipment inspection (PSI). If there is an issue with PDTC123JU/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 PDTC123JU/ZLX part is unused and in its original packaging.
Return procedure for PDTC123JU/ZLX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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