PSB21150FV1.2D

Telecom Overview

The PSB21150FV1.2D is a telecommunications interface integrated circuit belonging to the IPAC-X series, manufactured by Infineon Technologies. Designed for ISDN applications, this component functions as a PC adapter circuit with a single channel configuration. It operates on a 3.3 V supply voltage with a typical current consumption of 30 mA. The device is housed in a 64-pin LQFP package (PG-TQFP-64) and supports an operating temperature range from -40°C to +85°C. It complies with RoHS3 standards and carries an MSL rating of 3.

Telecom Feature Summary

• Integrated ISDN interface capabilities for telecom applications
• Compact surface-mount packaging for space-constrained designs
• Industrial-grade temperature range support

Telecom Applications

• ISDN terminal adapters
• Telecommunications interface modules
• PC adapter circuits

Telecom Procurement Notes

This specific part number is discontinued and no longer actively sold by major distributors such as DigiKey. Verification of availability requires checking secondary market suppliers or legacy stock holders. Engineers should confirm the exact suffix compatibility if substituting with similar IPAC-X variants, as functional differences may exist between revisions.

Telecom Selection Notes

Designers requiring active alternatives should evaluate other components within the IPAC-X family or newer Infineon telecom interface solutions. Ensure that the replacement part matches the 64-LQFP footprint and 3.3 V logic levels. Verify that the selected substitute maintains ISDN protocol compliance and meets the required thermal specifications for the target environment.

Telecom Part Context

The PSB21150FV1.2D is part of Infineon's broader portfolio of telecom interface ICs, specifically targeting ISDN connectivity. It sits alongside related models like the PSF21150FV1.4, sharing similar core functionalities but potentially differing in pinout or feature sets due to variant suffixes. These components were designed to facilitate digital telephony integration in consumer and industrial equipment.

Telecom Replacement Considerations

Direct replacements are limited due to discontinuation. Review the PSF21150FV1.4 datasheet for potential mechanical similarities, though electrical and functional equivalence must be verified independently. No official direct substitute part numbers are publicly confirmed for this specific revision.