DDTD123YU-7-F

Description：TRANS PREBIAS NPN 50V SOT323
Series：-

SKU:6b747771cef1 Category: Single, Pre-Biased Bipolar Transistors Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：TRANS PREBIAS NPN 50V SOT323
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)
Resistors Included：R1 and R2
Transistor Type：NPN - Pre-Biased
Current - Collector (Ic) (Max)：500 mA
Voltage - Collector Emitter Breakdown (Max)：50 V
Resistor - Base (R1)：2.2 kOhms
Resistor - Emitter Base (R2)：10 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 50mA, 5V
Vce Saturation (Max) @ Ib, Ic：300mV @ 2.5mA, 50mA
Current - Collector Cutoff (Max)：500nA
Frequency - Transition：200 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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DDTD123YU-7-F

Overview

The DDTD123YU-7-F is an NPN pre-biased transistor in a SOT323 surface-mount package. It integrates biasing resistors R1 and R2 with nominal values of 2.2kΩ and 10kΩ, respectively. The device features epitaxial planar die construction and operates within a supply voltage range up to 50V. Maximum collector current is 500mA, with power dissipation rated at 250mW. Electrical characteristics include a DC current gain (hFE) of 56 at 50mA and a gain-bandwidth product of 200MHz.

Feature Summary

Epitaxial planar die construction for reliable performance
Integrated biasing resistors simplify circuit design
Surface-mount package optimized for automated assembly

Applications

Switching applications requiring integrated biasing
Driver circuits for low-power loads
Logic interface buffering

Procurement Notes

Verify the obsolete status of this specific part number before initiating procurement actions. Confirm availability through authorized distributors or check for active replacement series from Diodes Incorporated. Ensure compliance with RoHS and halogen-free requirements as specified in the datasheet documentation.

Selection Notes

Select this component when a single NPN transistor with fixed base and emitter resistors is required. Verify that the 2.2kΩ and 10kΩ resistor values align with the target drive current and logic levels. Consider the SOT323 footprint constraints and thermal dissipation limits during PCB layout planning.

Part Context

This component belongs to the DDTD(XXXX)U series of NPN pre-biased transistors manufactured by Diodes Incorporated. The series offers various resistor combinations tailored for different switching speeds and drive requirements. All devices share the same SOT323 mechanical outline and general electrical characteristics.

Replacement Considerations

The datasheet lists DDTD123YU-7-F as obsolete. Potential replacements within the same family include other DDTD variants with similar resistor ratios or updated active part numbers from Diodes Incorporated. Consult the manufacturer's official obsolescence notices for direct cross-reference recommendations.

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

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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

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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.