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Nexperia USA Inc. PDTC143ZT,235
- Part No.:
- PDTC143ZT,235
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PDTC143ZT,235.pdf
- Description:
- TRANS PREBIAS NPN 50V TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:11,117
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Product details
Overview
PDTC143ZT from Nexperia is an AEC-Q101-qualified NPN resistor-equipped transistor (RET) in SOT23 package, integrating R1 = 4.7 kΩ and R2 = 47 kΩ bias resistors. It delivers 100 mA output current with 50 V VCEO, operates as a single-stage digital switch for IC input control or low-power load switching in industrial and automotive subsystems.
For engineers reviewing the PDTC143ZT datasheet, PDTC143ZT pinout, PDTC143ZT application, or PDTC143ZT equivalent, key selection criteria include built-in resistor ratio (R2/R1 = 10), VI(on)/VI(off) thresholds (0.9–1.3 V / 0.5–0.6 V), thermal resistance (500 K/W), and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This RET integrates a monolithic NPN transistor with two precision on-die resistors-R1 connected between base and input, R2 between base and emitter-enabling direct logic-level drive without external bias components. Its design eliminates need for discrete base resistors in digital switching circuits.
The device exhibits hFE ≥ 100 at IC = 10 mA and VCE = 5 V, VCE(sat) ≤ 100 mV at IC = 5 mA/IB = 0.25 mA, and fT = 230 MHz for the intrinsic transistor, supporting fast switching up to ~10 MHz in buffered digital interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; supports 24 V industrial bus and 12 V automotive supply rails with margin. |
| IO | 100 mA - Continuous output current rating; sufficient for driving LED indicators, small relays, or logic inputs. |
| R1 | 4.7 kΩ ±28% - Input bias resistor enabling direct 3.3 V/5 V CMOS/TTL drive without external components. |
| R2/R1 | 10 - Fixed internal resistor ratio ensuring stable saturation and predictable turn-off behavior across temperature. |
| VI(on) | 0.9–1.3 V - On-state input voltage threshold; compatible with standard logic families including 3.3 V LVTTL and 5 V TTL. |
| VI(off) | 0.5–0.6 V - Off-state input voltage upper limit; guarantees reliable cutoff under noise margins and low-VCC conditions. |
| Ptot | 250 mW at Tamb ≤ 25 °C - Power dissipation limit defining maximum continuous switching duty in FR4 PCB layouts. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 mm × 1.3 mm × 1.0 mm body, optimized for reflow and wave soldering per IPC-7351B.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base node) | Connected to internal R1; accepts logic-level drive signal directly from MCU GPIO or buffer output. |
| 2 | Ground (emitter) | Emitter terminal tied to system ground; serves as common return path for load current and bias network. |
| 3 | Output (collector) | Switched high-side output node; connects to load (e.g., LED anode, relay coil) referenced to VCC. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including body control modules and sensor interface circuits. |
| Integrated R1 + R2 network | Eliminates two external resistors, reducing BOM count and PCB area by ~2.5 mm² per instance. |
| Low VCE(sat) | ≤100 mV at IC = 5 mA ensures minimal power loss (<0.5 mW) when driving logic inputs or low-current loads. |
| Wide operating temperature | -65 °C to +150 °C junction range enables use in under-hood automotive and industrial environments. |
| High hFE | ≥100 at 10 mA supports robust saturation with low base drive current (≤100 µA typical). |
Applications
| Industrial Digital Control | Automotive Body Electronics |
|---|---|
|
Use Scenario: Controlling enable inputs of motor drivers or level translators in PLC I/O modules. IC Role / Device Role / Timing Role: Single-stage digital switch isolating microcontroller GPIO from higher-voltage peripheral logic. Use Value: Reduces component count vs. BC847 + two resistors while maintaining identical footprint and drive capability. |
Use Scenario: Driving LED status indicators in door module ECUs or HVAC control panels. IC Role / Device Role / Timing Role: Low-power load switch with guaranteed turn-on at 3.3 V logic levels and AEC-Q101 reliability. Use Value: Eliminates risk of marginal biasing due to resistor tolerance drift over temperature and lifetime. |
| Embedded Sensor Interface | Cost-Sensitive Consumer Devices |
|
Use Scenario: Level-shifting and signal conditioning for analog sensor outputs feeding ADC reference pins. IC Role / Device Role / Timing Role: Active pull-up/pull-down switch enabling configurable input termination without external passives. Use Value: Enables dynamic reconfiguration of sensor bias networks via MCU-controlled RET switching. |
Use Scenario: Replacing discrete BC847-based switches in battery-powered IoT remotes and smart home sensors. IC Role / Device Role / Timing Role: Logic-compatible digital switch minimizing standby current and assembly cost. Use Value: Cuts pick-and-place cycle time and reduces solder joint count, improving manufacturing yield. |
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 |
|---|---|---|---|
| PDTC124E,215 | R1 = 22 kΩ, R2 = 47 kΩ → higher input impedance, lower base current draw (≈45 µA @ 3.3 V). | Better suited for ultra-low-power wake-up circuits where input leakage must be minimized. | Select when driving from high-impedance sources or extending battery life in sleep modes. |
| BC847B,215 | Discrete NPN transistor requiring external R1/R2; no integrated bias network; hFE = 200–450 (wider spread). | Offers higher gain and flexibility but increases BOM, layout area, and calibration effort. | Choose only when precise gain tuning or non-standard resistor values are required. |
Compared with PDTC124E,215, PDTC143ZT provides lower input threshold and faster switching due to reduced R1; versus BC847B,215, it trades design flexibility for guaranteed bias stability, reduced test points, and AEC-Q101 compliance.
Availability
PDTC143ZT is available at Aetrix Electronics and suitable for industrial digital control, automotive body electronics, and embedded sensor interface applications requiring stable component supply, long-term lifecycle support, and AEC-Q101-qualified reliability.
Supply support for PDTC143ZT 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.
PDTC143ZT belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to replace discrete BJT + resistor combinations in digital switching applications while meeting stringent automotive and industrial reliability standards.
FAQ
What is the maximum recommended operating temperature for PDTC143ZT?
The PDTC143ZT has a maximum junction temperature (Tj) of 150 °C and an ambient operating range of –65 °C to +150 °C. Derating begins above 25 °C ambient per the 500 K/W thermal resistance; at 85 °C ambient, maximum continuous power drops to ~150 mW. Thermal design must account for PCB copper area and airflow in sealed enclosures.
Can PDTC143ZT replace BC847 in existing designs without layout changes?
Yes-PDTC143ZT uses the same SOT23 footprint as BC847, enabling drop-in replacement in most cases. However, because it integrates R1 and R2, external base resistors must be removed. Verify that the target load does not exceed 100 mA and that logic drive voltage meets VI(on) specifications (0.9–1.3 V) to ensure reliable saturation.
Is PDTC143ZT suitable for PWM-driven LED dimming?
Yes-its 230 MHz fT and ≤100 mV VCE(sat) support PWM frequencies up to 100 kHz with minimal switching loss. For 100 mA loads, ensure average power stays below 250 mW and peak current remains within limiting values. Use ceramic decoupling near the device to suppress transients during fast edge transitions.
Does PDTC143ZT require external ESD protection in automotive applications?
No-PDTC143ZT includes on-chip ESD protection rated per HBM (Human Body Model) to ±4 kV (IEC 61000-4-2 Level 2). This suffices for typical automotive interior modules. For exterior-facing or high-noise environments (e.g., engine bay), add TVS diodes on VCC and signal lines per ISO 10605 requirements.
PDTC143ZT,235 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- 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):
- 4.7 kOhms
- Resistor - Emitter Base (R2):
- 47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 100mV @ 250µA, 5mA
- 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:
- TO-236AB
PDTC143ZT,235 FAQ
1.How can I place an order for PDTC143ZT,235 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC143ZT,235 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 PDTC143ZT,235 reliable?
The price and inventory of PDTC143ZT,235 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC143ZT,235 is usually 5 days.
3.What payment methods are accepted for PDTC143ZT,235?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC143ZT,235 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC143ZT,235?
PDTC143ZT,235 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC143ZT,235 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 PDTC143ZT,235?
For technical support, including PDTC143ZT,235 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC143ZT,235 requirements.
6.How does Aetrix verify that PDTC143ZT,235 is sourced from the original manufacturer or authorized distributors?
All PDTC143ZT,235 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 PDTC143ZT,235 meets industry standards.
7.What is the process for return or replacement of PDTC143ZT,235?
All PDTC143ZT,235 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC143ZT,235, 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 PDTC143ZT,235 part is unused and in its original packaging.
Return procedure for PDTC143ZT,235:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC143ZT,235 Tags
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MUN5211T1G
onsemi
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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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PDTC114ET,215
Nexperia USA Inc.
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PDTC143ZT,215
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PDTC143ET,215
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PDTC143XT,215
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MMUN2211LT1G
onsemi
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PDTC144ET,215
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PDTC124ET,215
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