DDTB122TU-7-F

$0.16

Description：TRANS PREBIAS PNP 200MW SOT323
Series：*

SKU:aa84c6090909 Category: Single, Pre-Biased Bipolar Transistors Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：TRANS PREBIAS PNP 200MW SOT323
Series：*
Mfr：Diodes Incorporated
Package：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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DDTB122TU-7-F

Overview

The DDTB122TU-7-F is a PNP pre-biased surface mount transistor manufactured by Diodes Incorporated. It features built-in biasing resistors within an SOT-323 molded plastic case. The device supports a maximum collector-emitter voltage of -40 V and a continuous collector current of -500 mA. Internal resistance values are nominally 220 Ohms for R1 and 10 kOhms for R2. Power dissipation is rated at 200 mW with a thermal resistance of 625 °C/W. Operating temperature ranges from -55 °C to +150 °C.

Feature Summary

Integrates built-in biasing resistors to simplify circuit design
Utilizes epitaxial planar die construction for reliability
Available in a compact SOT-323 surface mount package

Applications

General-purpose switching applications
Driver circuits for low-power loads
Logic interface buffering

Procurement Notes

Verify the specific suffix against official documentation, as ordering codes may indicate variations in packaging or manufacturing site. Confirm RoHS compliance status through the manufacturer's latest environmental declarations. Ensure the component meets the required moisture sensitivity level for the intended assembly process. Cross-reference the date code marking to verify production timeline and availability constraints.

Selection Notes

Select this component when a PNP configuration with integrated biasing is required for space-constrained designs. Compare the 220 Ohm input resistor value against alternative models like the DDTB142TU-7-F if different biasing characteristics are needed. Ensure the -40 V breakdown voltage aligns with the system supply requirements. Verify that the SOT-323 footprint matches the PCB layout specifications.

Part Context

This part belongs to the DDTB series of PNP pre-biased transistors from Diodes Incorporated. It is functionally complementary to the NPN DDTD series devices. The series offers various resistor combinations to accommodate different logic levels and drive requirements while maintaining a consistent small-form-factor package profile.

Replacement Considerations

Direct substitutes include other DDTB122 variants such as DDTB122LU-7 or DDTB122JU-7, provided the resistor network configuration matches the application requirements. Verify pinout compatibility and electrical ratings before substitution.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.