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Noise suppression chip ferrite bead muRata BLM18SG121TN1D designed for in digital and DC power line circuits

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Noise suppression chip ferrite bead muRata BLM18SG121TN1D designed for in digital and DC power line circuits

Current Rating : 3A

Number of Circuits : 1

DC Resistance(DCR) : 25mΩ

Tolerance : ±25%

Impedance @ Frequency : 120Ω@100MHz

Description : 120Ω@100MHz 1 Line Ferrite Bead 0603 3A 25mΩ

Mfr. Part # : BLM18SG121TN1D

Model Number : BLM18SG121TN1D

Package : 0603

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Product Overview

The Chip Ferrite Bead BLM18_N Series offers effective impedance for noise suppression. Designed for various applications, these beads provide reliable performance in digital interfaces, DC power lines, and high-speed signal lines.

Product Attributes

  • Brand: MURATA
  • Origin: Japan (implied by MURATA MFG.CO., LTD.)
  • Operating Temperature: -55C to +125C
  • Storage Temperature: -55C to +125C
  • Marking: No marking

Technical Specifications

MURATA Part NumberImpedance () (at 100MHz)Rated Current (mA)DC Resistance ( max.)Remark
BLM18RK121SN1D12025%2000.25For Digital Interface
BLM18RK221SN1D22025%2000.30For Digital Interface
BLM18RK471SN1D47025%2000.50For Digital Interface
BLM18RK601SN1D60025%2000.60For Digital Interface
BLM18RK102SN1D100025%2000.80For Digital Interface
BLM18PG300SN1D20 min.10000.05For DC power line
BLM18PG330SN1D3325%3000*10.025For DC power line
BLM18PG600SN1D40 min.10000.1For DC power line
BLM18PG121SN1D12025%2000*10.05For DC power line
BLM18PG181SN1D18025%1500*10.09For DC power line
BLM18PG221SN1D22025%1400*10.10For DC power line
BLM18PG331SN1D33025%1200*10.15For DC power line
BLM18PG471SN1D47025%10000.20For DC power line
BLM18KG221SN1D220252200*10.050
BLM18KG331SN1D330251700*10.080
BLM18KG471SN1D470251500*10.130
BLM18KG601SN1D600251300*10.150
BLM18SD220SN1D22256000*10.008
BLM18SG330SN1D33256000*10.008
BLM18AG121SN1D12025%8000.18For general use
BLM18AG151SN1D15025%7000.25For general use
BLM18AG221SN1D22025%7000.25For general use
BLM18AG331SN1D33025%6000.30For general use
BLM18AG471SN1D47025%5500.35For general use
BLM18AG601SN1D60025%5000.38For general use
BLM18AG102SN1D100025%4500.50For general use
BLM18BB050SN1D525%8000.05For high speed signal line
BLM18BA050SN1D525%5000.2
BLM18BB100SN1D1025%7000.10
BLM18BA100SN1D1025%5000.25
BLM18BB220SN1D2225%7000.20
BLM18BA220SN1D2225%5000.35
BLM18BB470SN1D4725%6000.25
BLM18BD470SN1D4725%5000.3
BLM18BA470SN1D4725%3000.55
BLM18BB600SN1D6025%6000.25
BLM18BA750SN1D7525%3000.70
BLM18BB750SN1D7525%6000.30
BLM18BB121SN1D12025%5500.30
BLM18BD121SN1D12025%3000.4
BLM18BA121SN1D12025%2000.9
BLM18BB141SN1D14025%5000.35
BLM18BB151SN1D15025%4500.37
BLM18BD151SN1D15025%3000.4
BLM18BB221SN1D22025%4500.45
BLM18BD221SN1D22025%2500.45
BLM18BB331SN1D33025%4000.58For high speed signal line
BLM18BD331SN1D33025%2500.5
BLM18BD421SN1D42025%2500.55
BLM18BB471SN1D47025%3000.85
BLM18BD471SN1D47025%2500.55
BLM18BD601SN1D60025%2000.65
BLM18BD102SN1D100025%2000.85
BLM18BD152SN1D150025%1501.2
BLM18BD182SN1D180025%1501.5
BLM18BD222SN1D220025%1501.5
BLM18BD252SN1D250025%1501.5
BLM18TG121TN1D12025%2000.25
BLM18TG221TN1D22025%2000.3
BLM18TG601TN1D60025%2000.45
BLM18TG102TN1D100025%1000.6
BLM18SG260TN1D26256000*10.007For DC power line (Thin type)
BLM18SG700TN1D70254000*10.020For DC power line (Thin type)
BLM18SG121TN1D120253000*10.025For DC power line (Thin type)
BLM18SG221TN1D220252500*10.040For DC power line (Thin type)
BLM18SG331TN1D330251500*10.070For DC power line (Thin type)
BLM18SN220TN1D2278000*10.004
BLM18KG260TN1D26256000*10.007
BLM18KG300TN1D30255000*10.010
BLM18KG700TN1D70253500*10.022
BLM18KG101TN1D100253000*10.030
BLM18KG121TN1D120253000*10.030
ItemSpecificationTest Method
Appearance and DimensionsMeet item 4.Visual Inspection and measured with Slide Calipers.
Bonding StrengthShall be soldered on the substrate. Applying Force(F) : 6.8N, Applying Time : 5s1s, Applied direction :Parallel to substrateTable 1
Bending StrengthShall be soldered on the substrate. Substrate: Glass-epoxy 100mm40mm1.6mm, Deflection : 1.0mm, Speed of Applying Force : 0.5mm/s, Keeping Time : 30s
VibrationShall be soldered on the substrate. Oscillation Frequency : 10Hz to 55Hz to 10Hz for 1 min, Total Amplitude : 1.5mm, Testing Time : A period of 2 hours in each of 3 mutually perpendicular directions. (Total 6 h)
Resistance to Soldering HeatAppearance: No damage, Impedance Change (at 100MHz): Within 30% (for BLM18KG Within 40%) (for BLM18SN Within 50%), DC Resistance: Meet item 3. Pre-Heating : 150C10C, 60s90s, Solder : Sn-3.0Ag-0.5Cu, Solder Temperature : 270C5C, Immersion Time : 10s0.5s, Immersion and emersion rates : 25mm/s, Then measured after exposure in the room condition for 48h4h.Table 2
DropProducts shall be no failure after tested. It shall be dropped on concrete or steel board. Method : free fall, Height : 75cm, Attitude from which the product is dropped : 3 direction, The number of times : 3 times for each direction(Total 9 times)
SolderabilityThe electrodes shall be at least 95% covered with new solder coating. Flux : Ethanol solution of rosin,25(wt)%, Pre-Heating : 150C10C, 60s90s, Solder : Sn-3.0Ag-0.5Cu, Solder Temperature : 240C5C, Immersion Time : 3s1s, Immersion and emersion rates : 25mm/s
ItemSpecificationTest Method
Temperature CycleAppearance: No damage, Impedance Change (at 100MHz): Within 30% (for BLM18KG Within-10%to +50%) (for BLM18SN Within 50%), DC Resistance: Meet item 3. 1 cycle: 1 step:-55 C(+0 C,-3 C) / 30min3min, 2 step:Ordinary temp. / 10min to 15min, 3 step:+125 C(+3 C,-0 C) / 30min3min, 4 step: Ordinary temp. / 10min to 15min, Total of 100 cycles, Then measured after exposure in the room condition for 48h4h.Table 3
HumidityTemperature : 40C2C, Humidity : 90%(RH) to 95%(RH), Time : 1000h(+48h,-0h), Then measured after exposure in the room condition for 48h4h.Table 1
Heat LifeTemperature : 125C3C (in case of Rated current is more than 1A, do the test at : +85 C3C), Applying Current : Rated Current

2304140030_muRata-BLM18SG121TN1D_C113030.pdf


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