PE-0402HFB102ST

Overview

The PE-0402HFB102ST is a ferrite chip bead from the HFB series by Pulse Electronics, designed for EMI suppression in signal lines. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.00mm length, 0.50mm width, and a maximum height of 0.65mm. The component provides an impedance of 1 kOhms at 100 MHz. It supports a maximum DC current of 250mA and has a maximum DC resistance of 1.25 Ohms. The operating temperature range spans from -40°C to +105°C.

Feature Summary

• Provides effective electromagnetic interference suppression for high-frequency signal lines
• Utilizes a compact 0402 surface-mount footprint for space-constrained designs
• Engineered for stable performance across a wide industrial temperature range

Applications

• High-speed digital signal line filtering
• EMI suppression in portable electronic devices
• Noise reduction in communication interface circuits

Procurement Notes

Verify part status as this specific model may be discontinued or subject to change. Confirm availability through authorized distributors. Check for official replacement recommendations if sourcing new production units. Ensure compliance with RoHS directives and moisture sensitivity levels specified in the latest datasheet before integration into manufacturing processes.

Selection Notes

Select this component when a 1 kOhm impedance at 100 MHz is required for signal integrity. Ensure the circuit current does not exceed 250mA to prevent saturation. Verify that the 0402 package size fits the PCB layout constraints. Consider the 1.25 Ohm DCR impact on voltage drop in low-voltage applications.

Part Context

This ferrite bead belongs to Pulse Electronics' HFB series, specialized for multi-layer chip bead applications. It serves as a passive filter component to attenuate high-frequency noise without affecting the desired signal bandwidth. The series is commonly used in consumer electronics and telecommunications equipment requiring reliable EMI control.

Replacement Considerations

Public confirmed substitute: MFBM1V1005-102-R by Eaton - Electronics Division.