BCY89

$25.18

Description：DUAL SMALL-SIGNAL BJT
Series：*

SKU:2aea9b80b711 Category: Bipolar Transistor Arrays Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：DUAL SMALL-SIGNAL BJT
Series：*
Mfr：Microchip Technology
Package：Bulk
Transistor Type：-
Current - Collector (Ic) (Max)：-
Voltage - Collector Emitter Breakdown (Max)：-
Vce Saturation (Max) @ Ib, Ic：-
Current - Collector Cutoff (Max)：-
DC Current Gain (hFE) (Min) @ Ic, Vce：-
Power - Max：-
Frequency - Transition：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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BCY89

Overview

The BCY89 is a small signal bipolar transistor array manufactured by Microchip Technology. It consists of two NPN silicon elements housed in a TO-71 cylindrical metal package with six pins. The device supports a maximum collector current of 0.03 A and a collector-emitter voltage of 40 V. It features a minimum DC current gain (hFE) of 100 and operates at temperatures up to 175 °C.

Feature Summary

Dual NPN configuration for matched performance
Metal TO-71 cylindrical packaging
High thermal stability up to 175 °C

Applications

Differential amplifier second stages
Long-tailed pair circuits
General purpose switching applications

Procurement Notes

Verify the manufacturer origin, as the BCY89 was originally a Philips component now associated with Microchip Technology. Confirm the specific package variant matches the required TO-71 form factor. Ensure compliance with RoHS standards if required for the target assembly process. Check datasheet revisions for any updates to absolute maximum ratings or pin configurations before finalizing procurement.

Selection Notes

Select this component when matched dual NPN transistors are required for precision analog circuits. The TO-71 metal case offers superior heat dissipation compared to plastic packages. Consider the low collector current limit of 0.03 A when designing load paths. Verify that the 40 V breakdown voltage meets the circuit's peak operating requirements.

Part Context

The BCY89 belongs to the family of general-purpose NPN silicon planar dual transistors. Originally developed by Philips Semiconductors, it is now listed under Microchip Technology. These devices are designed for linear and switching applications requiring matched characteristics between the two internal elements.