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Nexperia USA Inc. PDTC143ZM,315
- Part No.:
- PDTC143ZM,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PDTC143ZM,315.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT883
- Quantity:
- Payment:
- Shipping:
Inventory:794
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Product details
Overview
PDTC143ZM from Nexperia is an AEC-Q101-qualified NPN resistor-equipped transistor (RET) in a DFN1006-3 (SOT883) package, featuring integrated bias resistors R1 = 4.7 kΩ and R2 = 47 kΩ, rated for 50 V VCEO and 100 mA output current, used as a digital switch for IC input control and load switching in industrial and automotive electronics.
For engineers reviewing the PDTC143ZM datasheet, PDTC143ZM pinout, PDTC143ZM application, or PDTC143ZM equivalent, this page delivers verified electrical parameters, validated SOT883 pin mapping, confirmed automotive qualification status, and direct alternatives to BC847-based digital switching designs.
Technical Context
This RET integrates a monolithic NPN transistor with two precision on-die bias resistors-R1 connected between base and input, R2 between base and emitter-enabling single-resistor drive logic-level interfacing without external components. It operates as a saturated switch with guaranteed VCE(sat) ≤ 100 mV at IC = 5 mA and IB = 0.25 mA.
The device supports ambient temperatures from −65 °C to +150 °C, exhibits fT = 230 MHz (typ.) for the internal transistor, and maintains hFE ≥ 100 at VCE = 5 V and IC = 10 mA, making it suitable for high-reliability, space-constrained digital interface applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V industrial bus and 12 V automotive systems. |
| IO | 100 mA - Continuous output current rating; sufficient to drive LED indicators, small relays, or logic inputs directly. |
| R1 | 4.7 kΩ (typ.) - Input bias resistor value; sets base current for TTL/CMOS-compatible logic-level turn-on with ~1 mA input drive. |
| R2/R1 ratio | 10 (typ.) - Fixed internal feedback ratio; ensures stable saturation and prevents thermal runaway during switching. |
| VCE(sat) | ≤100 mV at IC = 5 mA - Low saturation voltage minimizes power loss and heat generation in always-on or PWM-driven loads. |
| AEC-Q101 qualified | Qualified per Stress Test Qualification for Discrete Semiconductors - meets automotive reliability requirements for temperature cycling, HTRB, and ESD. |
Pinout & Package
DFN1006-3 (SOT883) is a leadless, ultra-small surface-mount plastic package measuring 1.0 mm × 0.6 mm × 0.48 mm with 0.35 mm pitch and exposed die pad for thermal conduction. It requires reflow soldering only and is compatible with standard FR4 PCB footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base via R1) | Logic signal entry point; internally connected to R1, enabling direct connection to microcontroller GPIO or logic gates. |
| 2 | Ground (emitter) | Emitter terminal tied to system ground; serves as common return path and thermal reference for the die. |
| 3 | Output (collector) | Switched load connection point; sinks up to 100 mA when active, supporting low-side switching configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Built-in bias resistors R1 and R2 | Eliminates need for two external resistors, reducing BOM count by 2 parts and saving 0.5 mm² PCB area per instance. |
| 100 mA output capability | Supports direct driving of optocouplers, small solenoids, or multiple parallel logic inputs without external amplification. |
| AEC-Q101 qualification | Validated for automotive under-hood and infotainment modules where temperature extremes and long-term reliability are critical. |
| Simplified digital switching | Enables single-wire control of loads with guaranteed turn-on/off thresholds (VI(on) = 0.9–1.3 V, VI(off) = 0.5–0.6 V). |
Applications
| Automotive Body Control Module | Industrial PLC Digital Output |
|---|---|
Use Scenario: Switching interior lighting, door lock actuators, and HVAC fan controls in 12 V vehicle subsystems. IC Role / Device Role / Timing Role: Low-side NPN switch controlled by MCU GPIO, replacing discrete BJT + resistor combinations. Use Value: Reduces component count and layout complexity while meeting AEC-Q101 stress test requirements for 15-year service life. |
Use Scenario: Driving 24 V DC indicator LEDs and relay coils in programmable logic controller output stages. IC Role / Device Role / Timing Role: Digital output buffer providing current gain and level translation from 3.3 V/5 V logic to 24 V loads. Use Value: Enables compact, high-density I/O modules with consistent saturation performance across −40 °C to +105 °C operating range. |
| Consumer Appliance UI Panel | Medical Diagnostic Equipment Interface |
Use Scenario: Controlling backlight brightness and tactile feedback LEDs in smart home appliance control panels. IC Role / Device Role / Timing Role: Constant-current switch for LED strings with fast on/off response (<100 ns propagation delay implied by fT = 230 MHz). Use Value: Delivers predictable optical output with minimal thermal drift due to integrated resistor matching and low VCE(sat). |
Use Scenario: Isolating microcontroller signals from sensor excitation circuits and display driver enable lines in portable diagnostics gear. IC Role / Device Role / Timing Role: Logic-level translator and noise-immune digital gate for safety-critical enable/disable functions. Use Value: Provides robust immunity to ESD and supply transients (VI = −5 V to +30 V rating), supporting IEC 61000-4-2 compliance. |
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 | Discrete NPN BJT without built-in resistors; requires external RB and RBE for biasing. | Higher design flexibility but increases component count, layout area, and assembly cost. | Select when precise bias tuning or higher hFE (>200) is required; not drop-in compatible. |
| PDTA143ZM | PNP complement with identical R1/R2 values and package; VCEO = 50 V, IO = −100 mA. | Used for high-side switching or complementary push-pull outputs; shares footprint and thermal profile. | Select for bidirectional interface designs or when sourcing current from rail is needed instead of sinking. |
Compared with BC847B and PDTA143ZM, PDTC143ZM offers lowest bill-of-materials overhead for unidirectional low-side switching, eliminates resistor tolerance stacking errors, and provides guaranteed automotive-grade reliability without redesign effort.
Availability
PDTC143ZM is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC digital outputs, and medical diagnostic equipment interfaces requiring stable component supply, long-lifecycle support, and AEC-Q101-compliant sourcing.
Supply support for PDTC143ZM 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 specializing in high-performance, reliable discrete, logic, and MOSFET devices, with manufacturing rooted in over 60 years of Philips heritage and focused on automotive, industrial, and consumer applications.
PDTC143ZM belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered specifically to replace legacy BJT + resistor designs in space-constrained, high-volume digital switching applications while ensuring AEC-Q101 compliance and thermal stability.
FAQ
What is the maximum allowable input voltage applied to Pin 1 (I) of PDTC143ZM?
The absolute maximum input voltage at Pin 1 is −5 V to +30 V, as specified in the Limiting Values table. Exceeding +30 V risks permanent damage to the internal R1 resistor and base-emitter junction. For safe operation with 5 V or 3.3 V logic, no series resistor is required due to the integrated bias network.
Can PDTC143ZM be used in linear amplifier configurations?
No - PDTC143ZM is optimized and characterized exclusively for saturated switching operation. Its fixed R1/R2 ratio, guaranteed VCE(sat), and lack of linear-region hFE specification make it unsuitable for analog amplification. Use discrete BJTs like BC847B for linear gain stages.
Is the DFN1006-3 (SOT883) package thermally enhanced?
The package has no dedicated thermal pad; thermal resistance Rth(j-a) is 500 K/W in free air and improves to ~250 K/W when mounted on an FR4 PCB with standard 70 µm copper traces. Thermal performance relies entirely on PCB copper area and reflow profile - no heatsink or thermal vias are supported.
How does the R2/R1 ratio affect switching behavior?
An R2/R1 ratio of 10 ensures strong base-emitter feedback that stabilizes the transistor in saturation, reduces sensitivity to hFE variation across temperature and process, and guarantees fast turn-off by actively pulling the base toward emitter potential. This eliminates reliance on MCU GPIO pull-down strength.
PDTC143ZM,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-101, SOT-883
- 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:
- -
- Power - Max:
- 250 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-883
PDTC143ZM,315 FAQ
1.How can I place an order for PDTC143ZM,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC143ZM,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 PDTC143ZM,315 reliable?
The price and inventory of PDTC143ZM,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC143ZM,315 is usually 5 days.
3.What payment methods are accepted for PDTC143ZM,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC143ZM,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC143ZM,315?
PDTC143ZM,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC143ZM,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 PDTC143ZM,315?
For technical support, including PDTC143ZM,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC143ZM,315 requirements.
6.How does Aetrix verify that PDTC143ZM,315 is sourced from the original manufacturer or authorized distributors?
All PDTC143ZM,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 PDTC143ZM,315 meets industry standards.
7.What is the process for return or replacement of PDTC143ZM,315?
All PDTC143ZM,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC143ZM,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 PDTC143ZM,315 part is unused and in its original packaging.
Return procedure for PDTC143ZM,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC143ZM,315 Tags
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