BC557AZL1G

Single Bipolar Transistors Overview

The BC557AZL1G is a PNP silicon epitaxial planar transistor manufactured by onsemi, designed for amplifier applications. It features a collector-emitter voltage of -45 V and a continuous collector current of -100 mA. The device operates within a junction temperature range of -55°C to +150°C with a total power dissipation of 625 mW at 25°C ambient. Electrical characteristics include a DC current gain (hFE) ranging from 120 to 800 for the A series, a transition frequency (fT) up to 320 MHz, and a base-emitter saturation voltage of -0.7 V at -10 mA collector current.

Single Bipolar Transistors Feature Summary

• PNP silicon epitaxial planar construction optimized for amplifier circuits
• Lead-free package availability compliant with environmental standards
• High DC current gain suitable for general-purpose amplification tasks

Single Bipolar Transistors Applications

• General-purpose amplifier circuits
• Switching applications requiring low power consumption
• Audio signal processing stages

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix 'ZL1G' corresponds to the TO-92 Ammo Box packaging configuration as documented in the official onsemi datasheet. Confirm that the component meets Pb-Free requirements if applicable to your assembly process. Ensure compatibility with standard through-hole mounting techniques specified for the TO-92 case outline.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with moderate voltage ratings and high current gain is required for analog signal amplification. Consider the thermal resistance and power dissipation limits relative to your operating environment. Verify that the hFE range aligns with your circuit's biasing requirements for stable operation across temperature variations.

Single Bipolar Transistors Part Context

This part belongs to the BC557 family of PNP amplifier transistors produced by onsemi. It shares the same electrical specifications as other BC557 variants but differs in packaging and shipping configuration. The 'A' designation indicates a specific binning for DC current gain, while 'ZL1G' denotes the lead-free TO-92 Ammo Pack format.

Single Bipolar Transistors Replacement Considerations

BC557BZL1G

Single Bipolar Transistors FAQ

What is the pinout configuration for the BC557AZL1G?

For the TO-92 package viewed from the bottom with leads facing down, Pin 1 is the Collector, Pin 2 is the Base, and Pin 3 is the Emitter.

What is the maximum collector-emitter voltage rating?

The maximum collector-emitter breakdown voltage (VCEO) is -45 V.

Is the BC557AZL1G available in a lead-free package?

Yes, the ZL1G suffix indicates that the device is supplied in a Pb-Free package.