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Nexperia USA Inc. PDTA144ET,215
- Part No.:
- PDTA144ET,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PDTA144ET,215.pdf
- Description:
- TRANS PREBIAS PNP 50V TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,360
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Product details
Overview
PDTA144ET from Nexperia is a PNP resistor-equipped transistor (RET) in SOT23 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 for automotive use.
For engineers reviewing the PDTA144ET datasheet, PDTA144ET pinout, PDTA144ET application, or PDTA144ET equivalent, this device serves as a space- and cost-optimized replacement for BC857-series transistors in level-shifting, IC input control, and low-power load switching circuits where integrated base resistors reduce PCB footprint and assembly steps.
Technical Context
This PNP RET integrates two precision bias resistors (R1 = 47 kΩ, R2/R1 = 1.0 typ.) to enable direct logic-level drive without external components. It operates with VI(on) = −1.6 V (typ.) at IC = −2 mA and VI(off) = −1.2 V (typ.) at IC = −100 μA, ensuring reliable on/off control across −40 °C to +150 °C ambient range.
The device features hFE ≥ 80 at VCE = −5 V and IC = −5 mA, VCE(sat) ≤ −150 mV at IC = −10 mA/IB = −0.5 mA, and fT = 180 MHz (typ.), supporting high-speed digital switching while maintaining thermal robustness via 500 K/W Rth(j-a) on FR4 PCB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −50 V - Maximum safe collector-emitter voltage with open base; enables use in 24 V automotive supply rails with margin. |
| IO | −100 mA - Continuous output current capability; sufficient for driving LEDs, small relays, or logic inputs. |
| R1 | 47 kΩ (33–61 kΩ) - Integrated input bias resistor; eliminates need for external pull-up/pull-down in digital interface circuits. |
| VCE(sat) | ≤ −150 mV at IC = −10 mA - Low saturation voltage minimizes power loss and heat generation during active switching. |
| fT | 180 MHz (typ.) - Transition frequency supports clean edge response in <10 ns digital signal paths. |
| AEC-Q101 | Qualified - Meets automotive stress test requirements for temperature cycling, HTRB, and ESD, enabling under-hood use. |
| Rth(j-a) | 500 K/W - Thermal resistance enables stable operation up to +125 °C ambient when mounted on standard FR4 PCB. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mounted package with 3 leads; compact 2.9 mm × 1.3 mm footprint and 1.1 mm height; optimized for reflow soldering only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base) | Connected internally to R1 and R2; accepts TTL/CMOS logic levels directly without external bias network. |
| 2 | GND (emitter) | Emitter terminal tied to system ground; provides return path for load current and sets reference for input threshold. |
| 3 | Output (collector) | Switched high-side output node; sinks current from load connected between VCC and pin 3. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1/R2 bias network | 47 kΩ / 47 kΩ ratio reduces component count by 2 resistors and eliminates layout sensitivity in digital switch nodes. |
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD, enabling use in ADAS and body control modules. |
| Low VCE(sat) | ≤ −150 mV ensures <15 mW conduction loss at 100 mA, minimizing self-heating in thermally constrained PCB areas. |
| High-speed switching | 180 MHz fT supports clean turn-on/turn-off in sub-100 ns timing-critical interfaces like microcontroller GPIO expanders. |
| Small SOT23 footprint | 2.9 mm × 1.3 mm outline saves >40% board area vs. discrete transistor + resistor solutions in space-constrained modules. |
Applications
| Automotive Door Module Control | Industrial PLC Input Conditioning |
|---|---|
Use Scenario: Level-shifting 3.3 V microcontroller outputs to drive 12 V solenoid coils in door lock actuators. IC Role / Device Role / Timing Role: PNP RET acts as a high-side switch with integrated bias, eliminating external resistors and reducing BOM count. Use Value: AEC-Q101 qualification ensures operation over −40 °C to +125 °C ambient, matching vehicle cabin thermal profiles. |
Use Scenario: Converting 24 V industrial field signals into clean 5 V logic-compatible inputs for FPGA-based I/O controllers. IC Role / Device Role / Timing Role: Functions as a digital input buffer with defined VI(on)/VI(off) thresholds to reject noise on long cable runs. Use Value: Built-in resistor ratio (R2/R1 = 1.0) guarantees consistent hysteresis-free switching behavior across temperature. |
| Consumer Appliance Power Sequencing | Medical Diagnostic Sensor Interface |
Use Scenario: Enabling sequential power-up of DC-DC converters in smart home hubs using MCU GPIO pins. IC Role / Device Role / Timing Role: Acts as a controlled enable switch with fast turn-on (fT = 180 MHz) and low VCE(sat). Use Value: −150 mV saturation voltage limits power dissipation to <15 mW, avoiding thermal derating in sealed enclosures. |
Use Scenario: Isolating low-current analog sensor outputs from digital control logic in portable ultrasound units. IC Role / Device Role / Timing Role: Provides galvanic separation and current limiting via fixed R1/R2, preventing latch-up in mixed-signal ASICs. Use Value: ICEO ≤ −1 μA at 25 °C ensures negligible leakage into sensitive front-end amplifiers during standby. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP digital switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PDTC144ET | NPN complement with identical R1/R2 values and SOT23 package; requires inverted logic drive. | Suitable for low-side switching topologies where emitter connects to ground instead of VCC. | Select when circuit architecture uses NPN-driven loads or shared base-drive networks with other NPN RETs. |
| BC857BW | Discrete PNP transistor without integrated resistors; requires external 47 kΩ base resistor pair. | Offers higher hFE (125–630) but increases component count, layout complexity, and pick-and-place steps. | Choose only if variable gain or adjustable bias is required; otherwise PDTA144ET reduces total cost and assembly risk. |
Compared with PDTC144ET and BC857BW, PDTA144ET delivers lower assembly cost and smaller footprint via monolithic integration, while maintaining automotive-grade reliability and predictable switching thresholds-making it optimal for high-volume, space-constrained digital interface designs.
Availability
PDTA144ET is available at Aetrix Electronics and suitable for automotive door modules, industrial PLC input stages, consumer appliance power sequencing, and medical sensor interfaces requiring stable component supply and AEC-Q101 compliance.
Supply support for PDTA144ET 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 essential efficiency technologies, delivering high-performance, reliable discrete, logic, and MOSFET devices for automotive, industrial, and consumer markets.
The PDTA144E series belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to simplify digital interface design by integrating precision bias resistors into compact SMD packages for automotive and industrial control applications.
FAQ
What is the maximum operating temperature for PDTA144ET?
The PDTA144ET has a junction temperature limit of 150 °C and an ambient operating range of −65 °C to +150 °C. Its thermal resistance Rth(j-a) is 500 K/W on standard FR4 PCB, allowing continuous operation up to +125 °C ambient at full rated current with appropriate copper pour.
Can PDTA144ET replace BC857 in existing designs?
Yes-PDTA144ET is a drop-in functional replacement for BC857-series PNP transistors in digital switching roles. Its integrated 47 kΩ R1/R2 network eliminates two external resistors, maintains identical SOT23 footprint, and adds AEC-Q101 qualification without altering PCB layout or signal timing.
What is the input voltage range for reliable switching?
PDTA144ET guarantees VI(on) ≤ −1.6 V and VI(off) ≥ −1.2 V at 25 °C, providing a 0.4 V noise margin for TTL/CMOS logic compatibility. Input voltage must stay within −40 V to +10 V per absolute maximum ratings to avoid damage to the internal resistor network or transistor junction.
Is wave soldering supported for PDTA144ET?
No-reflow soldering is the only recommended process. The datasheet explicitly states wave soldering is not qualified for PDTA144ET; Figure 19 shows a wave footprint for legacy reference only. Use reflow profile per J-STD-020, with peak temperature ≤ 260 °C and time above 217 °C limited to 60–150 seconds.
PDTA144ET,215 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:
- PNP - 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:
- 250 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PDTA144ET,215 FAQ
1.How can I place an order for PDTA144ET,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTA144ET,215 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 PDTA144ET,215 reliable?
The price and inventory of PDTA144ET,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTA144ET,215 is usually 5 days.
3.What payment methods are accepted for PDTA144ET,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTA144ET,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTA144ET,215?
PDTA144ET,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTA144ET,215 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 PDTA144ET,215?
For technical support, including PDTA144ET,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTA144ET,215 requirements.
6.How does Aetrix verify that PDTA144ET,215 is sourced from the original manufacturer or authorized distributors?
All PDTA144ET,215 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 PDTA144ET,215 meets industry standards.
7.What is the process for return or replacement of PDTA144ET,215?
All PDTA144ET,215 units undergo pre-shipment inspection (PSI). If there is an issue with PDTA144ET,215, 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 PDTA144ET,215 part is unused and in its original packaging.
Return procedure for PDTA144ET,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTA144ET,215 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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PDTC143XT,215
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MMUN2211LT1G
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Nexperia USA Inc.
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