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Product Detailed Parameters
- Description：PDTA143ZU-Q/SOT323/SC-70
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Resistors Included：-
- 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：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The PDTA143ZU-QX is a PNP pre-biased digital transistor manufactured by Nexperia USA Inc. It integrates a single PNP bipolar junction transistor with internal biasing resistors within an SC-70 (SOT-323) surface-mount package. The device features a collector-emitter breakdown voltage of 50 V and a maximum continuous collector current of 100 mA. Internal resistance values include R1 at 4.7 kOhms and R2 at 47 kOhms. Key electrical parameters specify a DC current gain (hFE) minimum of 100 at 10 mA and 5 V, with a collector-emitter saturation voltage of 100 mV at 250 µA base current and 5 mA collector current. Total power dissipation is rated at 200 mW.
Feature Summary
- Integrates a PNP transistor with built-in biasing resistors to reduce component count and PCB space.
- Designed for high-density surface-mount applications using the compact SC-70 package.
- Provides consistent switching performance through standardized internal resistor networks.
Applications
- General-purpose switching in low-voltage digital logic circuits.
- Level shifting between different voltage domains in embedded systems.
- Driver stages for small-signal loads in consumer electronics.
Procurement Notes
Verify the specific suffix -QX against official Nexperia documentation to confirm it denotes the standard commercial grade variant rather than an automotive or specialized qualification. Confirm RoHS compliance status directly from the manufacturer's latest datasheet revision. Ensure the ordering part number matches the exact package type and marking code required for your assembly process. Cross-reference distributor listings with the official Nexperia product database to avoid counterfeit components.
Selection Notes
Select this component when a compact PNP switch with fixed biasing is required. The 50 V rating suits most low-voltage digital applications. Verify that the 100 mA current limit meets load requirements. Compare internal resistor values (4.7 kΩ/47 kΩ) against circuit design needs. Consider the SOT-323 footprint constraints during layout planning.
Part Context
This part belongs to the PDTA143 series of pre-biased transistors. It shares functional characteristics with other members like PDTA143ZU,115 but may differ in packaging or qualification. The -QX suffix typically indicates specific tape-and-reel packaging or regional distribution variants. It serves as a direct replacement for discrete resistor-transistor networks in space-constrained designs.
Replacement Considerations
The PDTA143ZU,115 is a verified equivalent offering identical electrical specifications and pinout configuration. Both parts utilize the SOT-323 package and share the same internal resistor values. Verify that the replacement part meets the same thermal and voltage ratings for your specific application environment.
