Model Information for BLM18PG121SN1D

Part Number Breakdown

• BLM18PG121SN1DBLM: Series identifier for Murata's chip ferrite beads.18: Dimension code, indicating a 1.25×0.65 mm package size (EIA: 0805).P: Performance category.G: Indicates the series within the BLM family.121: Nominal impedance code, representing 120 Ω at 100 MHz.S: Indicates the product is suitable for DC power lines.N1: Special code, possibly denoting a specific application or quality standard.D: Packaging code, indicating tape packaging.

Description

The BLM18PG121SN1D is a chip ferrite bead designed for use in DC power lines. It features a nominal impedance of 120 Ω at 100 MHz and is suitable for applications requiring effective noise suppression in power supply circuits. The component is housed in a compact 1.25×0.65 mm package size (0805), making it ideal for space-constrained designs.

Specifications

• Nominal Impedance: 120 Ω at 100 MHz
• Rated Current: 2000 mA (typical) at ambient temperature 85°C, 1000 mA at ambient temperature 125°C
• DC Resistance: 0.05 Ω max. (initial value), 0.10 Ω max. (after testing)
• Operating Temperature Range: -55°C to +125°C
• Storage Temperature Range: -55°C to +125°C
• Package Size: 1.25×0.65 mm (0805)
• Thickness: 0.8 mm (typical)
• Performance Category: For DC power lines

Applications

• Power Equipment: Suitable for use in power equipment such as renewable energy equipment, energy storage equipment, and EV charging equipment.
• Industrial Equipment: Ideal for industrial applications including base stations, manufacturing equipment, industrial robotics, and measurement equipment.
• Medical Equipment: Can be used in medical equipment classified under GHTF Class C, where malfunction poses a relatively high risk to the human body.
• Consumer Equipment: Suitable for consumer electronics such as home appliances, audio/visual equipment, communication devices, information equipment, office equipment, and household robotics.

Frequently Asked Questions

• Q: What is the temperature range for this ferrite bead?A: The operating temperature range is -55°C to +125°C.
• Q: Is the BLM18PG121SN1D RoHS compliant?A: Yes, the BLM18PG121SN1D is RoHS compliant, meaning it does not contain lead, cadmium, mercury, hexavalent chromium, PBB, or PBDE.
• Q: What is the rated current for this ferrite bead?A: The rated current is 2000 mA at ambient temperature 85°C and 1000 mA at ambient temperature 125°C.
• Q: How should I store this ferrite bead to maintain its performance?A: Store the ferrite beads in a controlled environment with a temperature range of -10°C to +40°C and a relative humidity of 15% to 85%. Use the components within six months to ensure optimal solderability.
• Q: Can this ferrite bead be used in high-reliability applications?A: While the BLM18PG121SN1D is designed for general industrial and consumer applications, it may not be suitable for extremely high-reliability applications such as aerospace or medical equipment without additional testing and validation.