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BC327BU

PNP Epitaxial Silicon Transistor

The BC327BU is a pnp epitaxial silicon transistor from onsemi. View the full BC327BU datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

BC327BU shares its datasheet with BC327, whose page lists every part number it covers.

Official BC327BU datasheet (PDF) — the source this page was extracted from.

Manufacturer

onsemi

Category

BJTs

Package

TO-92-3

BC327BU Key Specifications

ParameterValue
PolarityPNP
Storage Temperature-55°C to +150°C
DC Current Gain (HFE1)100 to 630 (VCE=-1V, IC=-100mA)
DC Current Gain (HFE2)60 min (VCE=-1V, IC=-300mA)
Power Dissipation (PD)625mW
Output Capacitance (Cob)12pF typ
Junction Temperature (TJ)150°C
Collector Current (IC, DC)-800mA
Emitter-Base Voltage (VEBO)-5V
Collector Cut-Off Current (ICES)-100nA max
Collector-Emitter Voltage (VCEO)-45V
Collector-Emitter Voltage (VCES)-50V
Base-Emitter On Voltage (VBE(On))-1.2V max (VCE=-1V, IC=-300mA)
Current Gain Bandwidth Product (FT)100MHz typ
Thermal Resistance Junction-Ambient (RthJA)200°C/W
Collector-Emitter Saturation Voltage (VCE(Sat))-0.7V max (IC=-500mA, IB=-50mA)

BC327BU Overview

Part: BC327 — onsemi

Type: PNP Epitaxial Silicon Transistor

Description: A PNP epitaxial silicon transistor designed for switching and amplifier applications, suitable for AF-driver stages and low-power output stages, featuring a collector-emitter voltage of -45 V and a collector current of -800 mA.

Operating Conditions:

  • Collector-Emitter breakdown voltage: -45 V (min, I_C = -10 mA, I_B = 0)
  • Emitter-Base breakdown voltage: -5 V (min, I_E = -10 mA, I_C = 0)

Absolute Maximum Ratings:

  • Max Collector-Emitter Voltage (V_CES): -50 V
  • Max Collector-Emitter Voltage (V_CEO): -45 V
  • Max Emitter-Base Voltage (V_EBO): -5 V
  • Max Collector Current (DC): -800 mA
  • Max Junction Temperature (T_J): 150 °C
  • Max Storage Temperature (T_STG): -55 to +150 °C

Key Specs:

  • Collector-Emitter Breakdown Voltage (BV_CEO): -45 V (min, I_C = -10 mA, I_B = 0)
  • Collector Cut-Off Current (I_CES): -100 nA (max, V_CE = -45 V, I_B = 0)
  • DC Current Gain (h_FE1): 100 to 630 (V_CE = -1 V, I_C = -100 mA)
  • Collector-Emitter Saturation Voltage (V_CE(sat)): -0.7 V (max, I_C = -500 mA, I_B = -50 mA)
  • Base-Emitter On Voltage (V_BE(on)): -1.2 V (max, V_CE = -1 V, I_C = -300 mA)
  • Current Gain Bandwidth Product (f_T): 100 MHz (typ, V_CE = -5 V, I_C = -10 mA, f = 20 MHz)
  • Output Capacitance (C_ob): 12 pF (typ, V_CB = -10 V, I_E = 0, f = 1 MHz)
  • Power Dissipation (P_D): 625 mW (Derate Above 25 °C: 5.0 mW/°C)

Features:

  • Switching and Amplifier Applications
  • Suitable for AF-Driver Stages and Low-Power Output Stages
  • Complement to BC337/BC338
  • Pb-Free Devices

Applications:

  • AF-Driver Stages
  • Low-Power Output Stages

Package:

  • TO-92 3 (Pb-Free)
  • TO-92 3 LF (Pb-Free)

BC327BU Features

  • Switching and Amplifier Applications
  • Suitable for AF -Driver Stages and Low -Power Output Stages
  • Complement to BC337/BC338
  • These are Pb -Free Devices

BC327BU Electrical Characteristics

SymbolParameterConditionsMinTypMaxUnit
BV CEOCollector - Emitter Breakdown VoltageI C = - 10 mA, I B = 0- 45--V
BV CESCollector - Emitter Breakdown VoltageI C = - 0.1 mA, V BE = 0- 50--V
BV EBOEmitter - Base Breakdown VoltageI E = - 10 m A, I C = 0- 5--V
I CESCollector Cut - Off CurrentV CE = - 45 V, I B = 0-- 2- 100nA
h FE1DC Current GainV CE = - 1 V, I C = - 100 mA100-630
h FE2V CE = - 1 V, I C = - 300 mA60-
V CE (sat)Collector - Emitter Saturation VoltageI C = - 500 mA, I B = - 50 mA--- 0.7V
V BE (on)Base - Emitter On VoltageV CE = - 1 V, I C = - 300 mA--- 1.2V
f TCurrent Gain Bandwidth ProductV CE = - 5 V, I C = - 10 mA, f = 20 MHz-100-MHz
C obOutput CapacitanceV CB = - 10 V, I E = 0, f = 1 MHz-12-pF

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions.

BC327BU Absolute Maximum Ratings

(T A = 25 C unless otherwise noted.)

SymbolParameterValueUnit
V CESCollector - Emitter Voltage- 50V
V CEOCollector - Emitter Voltage- 45V
V EBOEmitter - Base Voltage- 5V
I CCollector Current (DC)- 800mA
T JJunction Temperature150C
T STGStorage Temperature- 55 to +150C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected.

BC327BU Thermal Information

(T A = 25 C unless otherwise noted.) (Note 1)

SymbolCharacteristicValueUnit
P DPower Dissipation Derate Above 25 C625 5.0mW mW/ C
R q JAThermal Resistance, Junction to Ambient200C/W

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
BC327onsemiTO-92-3
BC32725BUonsemiTO-92-3
BC32725TAonsemi—
BC32740BUonsemiTO-92-3

Other BJTs

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  • BC847 – onsemi, NPN General-Purpose Transistor
  • 2N2219A – onsemi, NPN High Speed Switching Transistor
  • 2N2222 – onsemi, NPN Silicon Amplifier Transistor
  • 2N2222A – onsemi, NPN High Speed Switching Transistor
  • 2N3906 – onsemi, PNP Silicon General Purpose Transistor
  • 2N4921G – onsemi, NPN Medium-Power Silicon Transistor
  • 2N4922G – onsemi, Medium-Power NPN Silicon Transistor

All BJTs datasheetsAll onsemi datasheets (337)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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