BD677

$0.67

Description：TRANS NPN DARL 60V 4A SOT-32-3
Series：-

SKU:ec18296bf241 Category: Single Bipolar Transistors Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：TRANS NPN DARL 60V 4A SOT-32-3
Series：-
Mfr：STMicroelectronics
Package：Tube
Transistor Type：NPN - Darlington
Current - Collector (Ic) (Max)：4:00 AM
Voltage - Collector Emitter Breakdown (Max)：60 V
Vce Saturation (Max) @ Ib, Ic：2.5V @ 30mA, 1.5A
Current - Collector Cutoff (Max)：500µA
DC Current Gain (hFE) (Min) @ Ic, Vce：750 @ 1.5A, 3V
Power - Max：40 W
Frequency - Transition：-
Operating Temperature：150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-225AA, TO-126-3
Supplier Device Package：SOT-32-3
Grade：-
Qualification：-

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BD677

Overview

The BD677 is an NPN power Darlington transistor manufactured using planar base island technology. It features a monolithic Darlington configuration with an integrated antiparallel collector-emitter diode. The device offers good hFE linearity and high fT frequency characteristics, making it suitable for applications requiring robust switching and amplification capabilities within the STMicroelectronics Darlington transistor portfolio.

Feature Summary

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

Applications

Power switching applications
Amplifier circuits
General purpose transistor applications

Procurement Notes

Verify the specific part number against official STMicroelectronics documentation to ensure compatibility with your design requirements. Confirm that the component status is listed as Active in current product catalogs. Check for any specific ordering suffixes that may indicate package variations or tape-and-reel options, ensuring they match your manufacturing needs exactly.

Selection Notes

Select this component when a high-gain NPN power transistor with integrated protection is required. Consider its planar base island technology for reliability. Evaluate if the integrated antiparallel diode meets your circuit's flyback protection needs without external components. Ensure the high fT frequency aligns with your signal processing speed requirements.

Part Context

This component belongs to STMicroelectronics' broader Darlington transistor portfolio, which includes devices with voltage ranges up to 400 V and both NPN and PNP polarities. The BD677 specifically utilizes planar base island technology, a manufacturing process designed to enhance performance and reliability for power applications compared to older technologies.

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.