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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：R2 Only
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：100 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：82 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
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Overview
The DDTA115GUA-7 is a PNP pre-biased small signal surface mount transistor from Diodes Incorporated, housed in an SOT-323 package. It features an epitaxial planar die construction with a built-in R2 biasing resistor of 100 kOhms nominal value. The device supports a maximum collector-emitter voltage (VCEO) of -50 V and a continuous collector current of -100 mA. Power dissipation is rated at 200 mW, with an operating temperature range spanning from -55 °C to +150 °C. The DC current transfer ratio (hFE) has a minimum value of 82 at IC = -5mA and VCE = -5V.
Feature Summary
- Integrates a single internal biasing resistor (R2 only) to simplify circuit design and reduce component count.
- Utilizes epitaxial planar die construction for reliable performance in surface mount applications.
- Manufactured using lead-free plating and compliant with RoHS standards.
Applications
- General-purpose switching circuits requiring compact footprint.
- Driver stages for logic interfaces utilizing pre-biased configurations.
- Low-power analog signal processing within specified thermal limits.
Procurement Notes
Verify the specific ordering suffix against official documentation, as standard availability may vary by region. Confirm that the received components match the required SOT-323 package dimensions and marking codes. Ensure storage conditions adhere to moisture sensitivity level 1 requirements prior to soldering. Cross-reference the date code to verify manufacturing compliance with green molding compound specifications if applicable.
Selection Notes
Select this component when a PNP configuration with a high-value base resistor is required. The 100 kOhm internal resistor suits applications needing lower drive currents compared to lower resistance variants. Consider the -50 V rating for low-voltage digital logic interfacing. Verify that the SOT-323 package fits the available PCB real estate constraints.
Part Context
This part belongs to the DDTA (R2-ONLY SERIES) UA family from Diodes Incorporated. It serves as the PNP counterpart to the DDTC NPN series. The 'UA' designation indicates the SOT-323 case style. The '115' identifier specifically denotes the 100 kOhm resistor value within this product line.
Replacement Considerations
Direct functional substitutes include other PNP pre-biased transistors with similar R2 values and SOT-323 packaging. Verify pinout compatibility and electrical ratings before substitution. Check datasheets for matching hFE and saturation voltage characteristics.
