SS8550DBU The SS8550DBU is a PNP epitaxial silicon transistor from On Semiconductor. It is designed for 2W output amplifier applications in portable radios.
Mfr Part #:

SS8550DBU

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The SS8550DBU is a PNP epitaxial silicon transistor from On Semiconductor. It is designed for 2W output amplifier applications in portable radios.
Total Stock: 84,955 pcs
$ Price Range: $0.51

SS8550DBU Available from 2 distributors

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Non-Authorised Inventory information
74,955 pcs
74955 pcs On Request 1 On Request On Request 21+ On Request On Request
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10,000 pcs
10000 pcs On Request 1 On Request On Request On Request On Request On Request

SS8550DBU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Base Emitter Voltage (Maximum @ IC = -800 mA, IB = -80 mA)
Base Emitter Voltage (Maximum @ VCE = -1 V, IC = -10 mA)
Breakdown Voltage (Minimum @ IC = -100 /C 0109 A, IE = 0)
Breakdown Voltage (Minimum @ IC = 2 mA, IB = 0)
Breakdown Voltage (Minimum @ IE = -100 /C 0109 A, IC = 0)
Capacitance
Collector Current (Maximum)
Current
DC Current Gain (Minimum @ VCE = 1 V, IC = 5 mA)
DC Current Gain (Minimum/Maximum @ VCE = -1 V, IC = -800 mA)
DC Current Gain (Minimum/Typical/Maximum @ VCE = 1 V, IC = 100 mA)
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Gain Bandwidth Product (Minimum/Maximum @ VCE = -10 V, IC = -50 mA)
Halogen Free
Junction Temperature
Leakage Current (Maximum @ VCB = 35 V, IE = 0)
Leakage Current (Maximum @ VEB = 6 V, IC = 0)
Mounting Type
Operating Temperature
Pb-Free
Power
Power Dissipation (Maximum)
Power Dissipation Derate Above +25°C
Saturation Voltage (Maximum @ IC = -800 mA, IB = -80 mA)
Storage Temperature
Supplier Device Package
Thermal Resistance Junction-to-Ambient
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

SS8550DBU Description

Short technical summary and product information.

The SS8550DBU is a PNP epitaxial silicon transistor manufactured by On Semiconductor. It is designed for use as a 2W output amplifier in portable radios, operating in Class B push-pull configuration. This transistor is complementary to the SS8050.

 

Key electrical characteristics include a collector-emitter breakdown voltage of -25V and a collector current rating of 1.5A. It features a DC current gain (hFE) of at least 160 at 100mA and 1V. The device operates at a junction temperature up to 150°C and has a power dissipation of 1W.

 

The SS8550DBU is housed in a TO-92-3 package, suitable for through-hole mounting. It is Pb-free and halogen-free, complying with RoHS standards. This component is well-suited for audio amplification circuits in portable electronic devices.

SS8550DBU Quick Information

Product Type: PNP Transistor
Canonical Name: SS8550DBU PNP Epitaxial Silicon Transistor
Subcategory: Single PNP

SS8550DBU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SS8550DBU Estimated Pricing

Qty Low High
1+ $0.51 $0.51

Estimated market price range - modelled values for guidance only, not live distributor offers.

SS8550DBU Features

  • PNP epitaxial silicon transistor.
  • Rated for 25V collector-emitter voltage.
  • Handles up to 1.5A collector current.
  • TO-92-3 through-hole package.
  • Pb-free and halogen-free.

SS8550DBU Applications

  • General purpose switching in low-power circuits.
  • Audio preamplifier and driver stages.
  • Signal amplification in consumer electronics.
  • Complementary driver for NPN transistors.

SS8550DBU FAQs

7 frequently asked questions generated from this part’s specifications.
What package does the SS8550DBU come in?

Through-hole TO-92-3 (TO-226AA compatible).

What is the maximum operating temperature?

150°C (junction temperature).

What is the DC current gain (hFE) of the SS8550DBU?

Minimum 45, maximum 300 (at VCE=-1V, IC=-100mA). Typical gain is 160.

What is the collector-emitter saturation voltage?

-0.5 V maximum at IC=-800mA, IB=-80mA.

What is the current gain bandwidth product (fT)?

100 MHz to 200 MHz at VCE=-10V, IC=-50mA.

What is the output capacitance of the transistor?

15 pF maximum at VCB=-10V, f=1MHz.

What is the maximum power dissipation?

1 Watt (derate 8 mW/°C above 25°C).

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