BC858A-HF

$0.03

Description：TRANS PNP 30V 0.1A SOT-23-3
Series：-

SKU:772180e03ea0 Category: Single Bipolar Transistors Brand: Comchip Technology

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 30V 0.1A SOT-23-3
Series：-
Mfr：Comchip Technology
Package：Tape & Reel (TR)
Transistor Type：PNP
Current - Collector (Ic) (Max)：100 mA
Voltage - Collector Emitter Breakdown (Max)：30 V
Vce Saturation (Max) @ Ib, Ic：650mV @ 5mA, 100mA
Current - Collector Cutoff (Max)：15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：125 @ 2.2mA, 5V
Power - Max：250 mW
Frequency - Transition：100MHz
Operating Temperature：-65°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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BC858A-HF

Overview

The BC858A-HF is a PNP bipolar junction transistor manufactured by Comchip Technology, designed for general-purpose switching and amplification applications. It utilizes silicon technology and is housed in an SOT-23-3 surface-mount package. Key electrical specifications include a collector-emitter voltage (VCEO) of -30 V, a collector-base voltage (VCBO) of -30 V, and an emitter-base voltage (VEBO) of -5 V. The device supports a continuous collector current of 100 mA with a power dissipation rating of 250 mW. It features a DC current gain (hFE) range of 110 to 200 and operates within a temperature range of -65°C to +150°C.

Feature Summary

PNP polarity configuration suitable for low-voltage switching circuits
Halogen-free construction compliant with environmental standards
High thermal stability with extended operating temperature range

Applications

General-purpose signal amplification
Low-side switching in consumer electronics
Driver stages for LED arrays

Procurement Notes

Verify the specific hFE binning class (A) against design requirements, as gain ranges vary significantly between A, B, and C variants. Confirm RoHS compliance status via the manufacturer's latest documentation. Ensure the SOT-23-3 footprint matches the PCB layout. Check for halogen-free certification if required by project specifications. Validate supply chain authenticity through authorized distributors.

Selection Notes

Select this component when a PNP transistor with moderate gain (110-200) is required. Compare against BC858B or BC858C if higher gain is needed. Consider the SOT-23-3 package constraints for space-limited designs. Verify that the 250 mW power dissipation is sufficient for the intended thermal environment. Ensure the -30 V voltage rating meets circuit demands.

Part Context

This part belongs to the BC858 series of small-signal PNP transistors from Comchip Technology. It shares the same physical package and basic voltage/current ratings as other variants in the family but differs in DC current gain classification. The 'HF' suffix indicates halogen-free manufacturing. It serves as a direct functional replacement for industry-standard BC858A devices in equivalent form factors.