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B1042 is listed in the Pulse Transformers range at ChipApex. The manufacturer field lists Pulse Electronics. Its product description is IC CHIP. Review the specifications below when checking this part for your BOM.
The B1042 is an SMD audio and signal transformer manufactured by Pulse Electronics, designed for HDSL, HDSL2, and VDSL applications. It features a nominal inductance of 1760 uH with a primary impedance of 1.6 Ohms. The device operates within a frequency range of 40 kHz to 300 kHz and provides an insulation voltage of 1.5 kV. Physical dimensions are 17.65 mm in length, 13.11 mm in width, and 13.46 mm in height. The component supports surface mount termination and functions reliably between -40°C and +85°C.
Verify the specific revision level and RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Confirm that the current production status aligns with long-term supply requirements, as availability may vary. Ensure that the package dimensions and pinout configuration match the target PCB footprint design constraints strictly.
Select this component when designing systems requiring standardized impedance matching for DSL interfaces. Evaluate the thermal performance limits against the expected operating environment to ensure reliability. Consider the physical size constraints of the assembly area relative to the specified envelope dimensions during the layout phase.
This part belongs to the audio and signal transformers category from Pulse Electronics. It serves as a critical interface component for telecommunications infrastructure, facilitating signal integrity across twisted-pair copper lines. The design supports robust data transmission protocols used in broadband access networks.
Public confirmed substitute part numbers are not available in the provided documentation.
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