Model Information: BLM18EG471SN1D

Product Overview

Manufacturer: Murata Manufacturing Co., Ltd.
Series: BLM18EG
Model: BLM18EG471SN1D
Type: GHz Noise Suppression Chip Ferrite Bead
Applications: Consumer equipment, Industrial equipment, Medical equipment (GHTF Class A, B, and C)

Electrical Specifications

• Impedance at 100 MHz: 470 Ω ± 25%
• Impedance at 1 GHz: 340 Ω (Typical)
• Rated Current: 550 mA
• DC Resistance (Max): 0.21 Ω
• Operating Temperature Range: -55°C to +125°C
• Storage Temperature Range: -55°C to +125°C

Part Number Breakdown

• Product ID Type: BLM
• Dimension (L × W): 18 × 12.5 mm
• Characteristics: General use
• Impedance (Typical value at 100 MHz): 470 Ω
• Performance Category: General use
• Packaging: Taping (D)

Mechanical Specifications

• Unit Mass (Typical Value): 0.005 g
• Marking: No marking

Testing Conditions

• Temperature: Ordinary temperature (15°C to 35°C)
• Humidity: Ordinary humidity [25% to 85% (RH)]
• Atmospheric Pressure: 86 kPa to 106 kPa

Mechanical Performance

• Shear Test: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Bending Test: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Vibration Test: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Resistance to Soldering Heat: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Drop Test: No significant mechanical damage after 10 drops from 1 meter onto concrete or steel.
• Solderability: 95% or more of the outer electrode shall be covered with new solder seamlessly.

Environmental Performance

• Temperature Cycle: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Humidity Test: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Heat Life: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.
• Cold Resistance: No significant mechanical damage; Impedance change rate within ±30% at 100 MHz; DC resistance meets chapter 3 ratings.

Packaging Specifications

• Tape Width: 8 mm
• Packing Quantity: 4000 pcs/reel
• Packing Method: Products are placed in cavities of a carrier tape and sealed by a cover tape.
• Feed Hole Position: On the right side when the cover tape is pulled toward the user.
• Joint: Seamless carrier tape and cover tape.
• Break Down Force of Tape: 5 N min. for cover tape and bottom tape.
• Peeling Off Force of Tape: 0.1 N to 0.6 N.

Marking and Labeling

• Reel Marking: Customer part number, Murata part number, inspection number, RoHS marking, quantity, etc.
• Outer Box Marking: Customer name, purchasing order number, customer part number, Murata part number, RoHS marking, quantity, etc.