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SS8550

PNP General Purpose Transistor

The SS8550 is a pnp general purpose transistor from onsemi. View the full SS8550 datasheet below including key specifications, electrical characteristics.

Official SS8550 datasheet (PDF) — the source this page was extracted from.

Manufacturer

onsemi

Category

BJTs

Package

SOT-23

SS8550 Key Specifications

ParameterValue
DC Current Gain (HFE1)120 to 350 at VCE=-1V, IC=-100mA
DC Current Gain (HFE2)40 min at VCE=-1V, IC=-800mA
Collector Current (ICM)-1.5 A
Power Dissipation (PCM)0.3 W
Output Capacitance (COB)20 pF max
Transition Frequency (FT)100 MHz min
Emitter-Base Voltage (BVEBO)-5 V
Collector-Base Voltage (BVCBO)-40 V
Collector Cutoff Current (ICBO)-0.1 μA max
Collector-Emitter Voltage (BVCEO)-25 V
Operating And Storage Temperature Range-55°C to +150°C
Base-Emitter Saturation Voltage (VBE(Sat))1.2 V max at IC=-800mA, IB=-80mA
Collector-Emitter Saturation Voltage (VCE(Sat))0.5 V max at IC=-800mA, IB=-80mA

SS8550 Overview

Part: SS8550

Type: PNP Silicon General Purpose Transistor

Description: PNP general purpose transistor with -40 V collector-base voltage and -1.5 A collector current.

Operating Conditions:

  • Collector-base voltage: up to -40 V
  • Collector-emitter voltage: up to -25 V
  • Emitter-base voltage: up to -5 V
  • Operating temperature: -55 to +150 °C

Absolute Maximum Ratings:

  • Max collector-base voltage: -40 V
  • Max collector current: -1.5 A
  • Max junction/storage temperature: +150 °C

Key Specs:

  • Collector-base breakdown voltage (BV CBO): -40 V (Ic = 100 μA, IE = 0)
  • Collector-emitter breakdown voltage (BV CEO): -25 V (Ic = -0.1mA, IB = 0)
  • Collector-emitter saturation voltage (V CE(sat)): 0.5 V (IC = -800 mA, IB = -80mA)
  • DC current gain (h FE1): 120-350 (V CE = -1V, I C =-100mA)
  • Transition frequency (f T): 100 MHz (V CE = -10V, I C = -50mA, f = 30MHz)
  • Output capacitance (C OB): 20 pF (V CB = -10V, I E =0, f=1MHz)

Features:

  • Power dissipation: 0.3 W
  • RoHS Compliant Product
  • Halogen & lead-free option ('-C' suffix)

Applications:

Package:

SS8550 Features

  • z Power dissipation

PCM : 0.3 W

  • z Collector Current

I

CM : - 1.5 A

  • z Collector-base voltage

$$V(BR)CBO : - 40 V$$

  • z Operating & storage junction temperature

$$TJ, TSTG : - 55°C ~ + 150°C$$

SS8550 Electrical Characteristics

SymbolMin.Typ.Max.UnitTest Conditions
BV CBO-40--VIc = 100 μ A, I E = 0
BV CEO-25--VIc = -0.1mA, I B = 0
BV EBO-5--VI E = -100 μ A, I C = 0
I CBO---0.1μ AV CB = -40 V, I E = 0
I CEO---0.1μ AV CE = -20V, I B = 0
I EBO---0.1μ AV EB = -5V, I C = 0
V CE(sat)--0.5VI C = -800 mA, I B = -80mA
V BE(sat)1--1.2VI C = -800 mA, I B = -80mA
*h FE1120-350-V CE = -1V, I C =-100mA
*h FE240---V CE = -1V, I C = -800mA
f T100--MHzV CE = -10V, I C = -50mA, f = 30MHz
C OB--20pFV CB = -10V, I E =0, f=1MHz

Other BJTs

  • DTC114ECA – GOODWORK, NPN Digital Transistor with Bias Resistors
  • 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 (357)

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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