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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 200MW SOT323
- Series：*
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- 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 DDTA143ZUA-7 is a PNP pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It features an epitaxial planar die construction housed in a SOT-323 package. The device integrates built-in biasing resistors with nominal values of R1 = 4.7 kOhms and R2 = 47 kOhms. Key electrical specifications include a maximum supply voltage (VCC) of -50 V, a continuous output current (IC) of -100 mA, and a power dissipation (Pd) of 200 mW. The transition frequency (fT) is typically 250 MHz at VCE = -10V and IE = 5mA. The component operates within a temperature range of -55°C to +150°C.
Feature Summary
- Integrates built-in biasing resistors for simplified circuit design
- Utilizes epitaxial planar die construction for reliability
- Available in lead-free RoHS compliant packaging
Applications
- General-purpose switching applications
- Driver circuits requiring integrated biasing
- Surface mount assembly processes
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging details. The datasheet lists the -7-F suffix for tape and reel quantities of 3000 units. Confirm that the procurement source provides the correct variant matching the required shipping configuration and manufacturing date codes.
Selection Notes
Select this component when a PNP pre-biased transistor with a 4.7 kOhm base resistor and 47 kOhm emitter resistor is required. Ensure the application voltage does not exceed the -50 V collector-emitter rating and that the thermal management accommodates the 200 mW power dissipation limit in the SOT-323 package.
Part Context
This part belongs to the DDTA (R1≠R2 SERIES) UA family from Diodes Incorporated. It serves as the PNP counterpart to the DDTC NPN series. The 'Z' designation specifically indicates the 4.7 kOhm/47 kOhm resistor ratio configuration within the SOT-323 form factor.
Replacement Considerations
Direct substitutes within the same manufacturer family include DDTA143XUA and DDTA143FUA, which share the SOT-323 package but differ in internal resistor values.
