BC558A The Philips BC558A is a general-purpose PNP bipolar junction transistor (BJT) designed for various electronic applications. It comes in a TO-92 package.
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BC558A

Available from 1 distributors
Mfr Name: Philips
Philips
The Philips BC558A is a general-purpose PNP bipolar junction transistor (BJT) designed for various electronic applications. It comes in a TO-92 package.
Total Stock: 9,000 pcs
$ Price Range: $0.99

BC558A Available from 1 distributor

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9,000 pcs
9000 pcs On Request 1 On Request On Request On Request On Request 2026-06-03 12:15:10

BC558A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BC558A Description

Short technical summary and product information.

The BC558A from Philips is a versatile PNP bipolar junction transistor (BJT) suitable for general-purpose applications. It is housed in a standard TO-92 plastic package, making it easy to integrate into through-hole circuit designs.

 

Key electrical characteristics include a maximum collector-emitter voltage (Vceo) of 30V and a continuous collector current (Ic) of up to 100mA. The device offers a power dissipation rating of 500mW. Its DC current gain (hFE) ranges from 110 to 220 at a collector current of 2mA and Vce of 5V. The transistor operates within a junction temperature range of -55°C to 150°C.

 

This transistor is well-suited for amplification and switching tasks in a wide array of electronic circuits. The TO-92 package is commonly used in hobbyist projects and industrial applications where space is not extremely limited and through-hole mounting is preferred.

BC558A Quick Information

Product Type: PNP Transistor
Series: BC
Canonical Name: BC558A PNP General Purpose Transistor
Subcategory: PNP

BC558A Compliance

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

BC558A Estimated Pricing

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1+ $0.99 $0.99

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

BC558A Features

  • PNP bipolar junction transistor.
  • TO-92 plastic package.
  • 30V collector-emitter voltage.
  • 100mA continuous collector current.
  • 500mW power dissipation.

BC558A Applications

  • Used in general-purpose switching circuits.
  • Suitable for low-power signal amplification.
  • Ideal for audio preamplifier stages.
  • Common in driver circuits for relays and LEDs.

BC558A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage?

30V.

What package does the BC558A come in?

TO-92 through-hole package.

What is the operating temperature range?

-55°C to +150°C junction temperature.

What is the DC current gain (hFE)?

110 to 220 at Vce=5V, Ic=2mA.

What is the collector-emitter saturation voltage?

250mV at 10mA/0.5mA and 650mV at 100mA/5mA.

What is the transition frequency?

150MHz.

What is the maximum power dissipation?

500mW.

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