2N5770 APM PBFREE

Overview

The 2N5770 APM PBFREE is an NPN silicon RF transistor manufactured by Central Semiconductor Corp. It utilizes a planar epitaxial process with a die size of 14.5 x 14.5 mils and a thickness of 7.1 mils. The device features aluminum top-side metalization (30,000Å) and gold back-side metalization (18,000Å). Bonding pad areas are specified at 2.4 x 2.2 mils for both base and emitter connections.

Feature Summary

• Utilizes an epitaxial planar process structure for small signal RF applications.
• Features specific metallization configurations with aluminum top-side and gold back-side layers.

Applications

• Small signal RF circuits
• RF transistor chip implementations

Procurement Notes

Verify the exact electrical performance parameters against the official datasheet, as the provided reference material focuses on physical construction rather than full electrical specifications. Confirm that the 'APM' suffix corresponds to the Ammo Pack packaging format indicated in related product listings for this manufacturer series.

Selection Notes

Select this component for designs requiring an NPN RF transistor chip with defined physical dimensions. Ensure the circuit design accommodates the specific bonding pad sizes and metallization requirements. Cross-reference thermal management needs with the package constraints typical for this form factor.

Part Context

This part belongs to the family of small signal transistors produced by Central Semiconductor Corp. It shares manufacturing processes with other RF chips in their portfolio, such as the CP series, utilizing similar planar epitaxial techniques and die sizing conventions for high-frequency performance.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative NPN RF transistors based on specific frequency response and gain bandwidth requirements found in complete datasheets.