BC857S

$0.18

Description：TRANS 2PNP 45V 100MA SOT-363
Series：-

SKU:7115df253580 Category: Bipolar Transistor Arrays Brand: Diotec Semiconductor

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Product introduction

Product Detailed Parameters

Description：TRANS 2PNP 45V 100MA SOT-363
Series：-
Mfr：Diotec Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT)
Transistor Type：2 PNP (Dual)
Current - Collector (Ic) (Max)：100mA
Voltage - Collector Emitter Breakdown (Max)：45V
Vce Saturation (Max) @ Ib, Ic：650mV @ 5mA, 100mA
Current - Collector Cutoff (Max)：15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：220 @ 2mA, 5V
Power - Max：250mW
Frequency - Transition：100MHz
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：6-VSSOP, SC-88, SOT-363
Supplier Device Package：SOT-363
Grade：-
Qualification：-

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BC857S

Overview

The BC857S is a dual PNP small-signal transistor manufactured by Diotec Semiconductor in an SOT-363 surface-mount package. It features a collector-emitter voltage (VCEO) of -45 V and a maximum DC collector current (IC) of 100 mA. The device provides a minimum DC current gain (hFE) of 220 at IC = 2 mA and VCE = 5 V, with a transition frequency (fT) of 100 MHz. Total power dissipation is rated at 250 mW per device when mounted on a PCB with 3 mm² copper pads. Operating junction temperature ranges from -55°C to +150°C.

Feature Summary

Dual PNP transistors integrated into a single ultra-small surface mount package
General-purpose design suitable for signal processing, switching, and amplification
Compliant with RoHS, REACH regulations, and Conflict Minerals standards

Applications

Signal processing circuits
Electronic switching applications
Amplification stages

Procurement Notes

Verify the specific ordering suffix against official documentation before procurement. Standard versions are commercial/industrial grade. Suffixes such as -Q indicate AEC-Q101 compliance, while -AQ denotes AEC-Q101 qualification. Confirm that the required reliability grade matches the application needs, as standard parts are not intended for life-support systems without customer validation.

Selection Notes

Select the BC857S for designs requiring two matched PNP transistors in a compact footprint. Ensure the circuit operates within the -45 V collector-emitter voltage limit and 100 mA current rating. Consider the thermal resistance of 420 K/W per device when calculating heat dissipation. Verify if automotive-grade variants (-Q/-AQ) are necessary for specific environmental or reliability requirements.

Part Context

The BC857S belongs to the BC85x series of SMD general-purpose PNP transistors. It is functionally complementary to the BC847S NPN array. The component utilizes epitaxial die construction and is available in the SOT-363 case. Marking code '3F' identifies this specific part number on the package surface.