BD677AG

Description：TRANS NPN DARL 60V 4A TO-126
Series：-

SKU:1a7977852674 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS NPN DARL 60V 4A TO-126
Series：-
Mfr：onsemi
Package：Bulk
Transistor Type：NPN - Darlington
Current - Collector (Ic) (Max)：4:00 AM
Voltage - Collector Emitter Breakdown (Max)：60 V
Vce Saturation (Max) @ Ib, Ic：2.8V @ 40mA, 2A
Current - Collector Cutoff (Max)：500µA
DC Current Gain (hFE) (Min) @ Ic, Vce：750 @ 2A, 3V
Power - Max：40 W
Frequency - Transition：-
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-225AA, TO-126-3
Supplier Device Package：TO-126
Grade：-
Qualification：-

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BD677AG

Overview

The BD677AG is a complementary silicon power Darlington transistor manufactured by onsemi. It utilizes planar base island technology with a monolithic Darlington configuration. The device integrates an antiparallel collector-emitter diode and features high hFE linearity. It is designed for applications requiring high frequency performance, indicated by its high fT characteristics.

Feature Summary

Monolithic Darlington configuration with integrated antiparallel collector-emitter diode
High hFE linearity
High fT frequency capability

Applications

Power switching circuits
Amplifier stages
Driver circuits

Procurement Notes

Verify the specific suffix 'G' against official documentation to confirm compliance status and material composition. Ensure the part number matches the exact manufacturer listing, as integration changes may affect nomenclature. Cross-reference datasheets for thermal and electrical limits before procurement.

Selection Notes

Select this component for designs requiring complementary NPN/PNP power Darlington pairs in a single package. Consider the high fT for frequency-sensitive applications. Verify voltage ratings and current handling capabilities against the specific circuit requirements using the official datasheet.

Part Context

This device belongs to onsemi's portfolio of Darlington transistors, which offer voltage ranges up to 400V. The product line includes both NPN and PNP polarities, leveraging planar base island technology for robust performance in power electronics applications.

Replacement Considerations

Consult official substitution guides for compatible complementary Darlington pairs. Verify pinout compatibility and electrical specifications before replacing existing components in established designs.

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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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.