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Specifications
Current Rating:
3A
Number of Circuits:
1
DC Resistance(DCR):
25mΩ
Tolerance:
±25%
Impedance @ Frequency:
120Ω@100MHz
Mfr. Part #:
BLM18SG121TN1D
Package:
0603
Key Attributes
Model Number:
BLM18SG121TN1D
Product Description
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 Number | Impedance () (at 100MHz) | Rated Current (mA) | DC Resistance ( max.) | Remark |
| BLM18RK121SN1D | 12025% | 200 | 0.25 | For Digital Interface |
| BLM18RK221SN1D | 22025% | 200 | 0.30 | For Digital Interface |
| BLM18RK471SN1D | 47025% | 200 | 0.50 | For Digital Interface |
| BLM18RK601SN1D | 60025% | 200 | 0.60 | For Digital Interface |
| BLM18RK102SN1D | 100025% | 200 | 0.80 | For Digital Interface |
| BLM18PG300SN1D | 20 min. | 1000 | 0.05 | For DC power line |
| BLM18PG330SN1D | 3325% | 3000*1 | 0.025 | For DC power line |
| BLM18PG600SN1D | 40 min. | 1000 | 0.1 | For DC power line |
| BLM18PG121SN1D | 12025% | 2000*1 | 0.05 | For DC power line |
| BLM18PG181SN1D | 18025% | 1500*1 | 0.09 | For DC power line |
| BLM18PG221SN1D | 22025% | 1400*1 | 0.10 | For DC power line |
| BLM18PG331SN1D | 33025% | 1200*1 | 0.15 | For DC power line |
| BLM18PG471SN1D | 47025% | 1000 | 0.20 | For DC power line |
| BLM18KG221SN1D | 22025 | 2200*1 | 0.050 | |
| BLM18KG331SN1D | 33025 | 1700*1 | 0.080 | |
| BLM18KG471SN1D | 47025 | 1500*1 | 0.130 | |
| BLM18KG601SN1D | 60025 | 1300*1 | 0.150 | |
| BLM18SD220SN1D | 2225 | 6000*1 | 0.008 | |
| BLM18SG330SN1D | 3325 | 6000*1 | 0.008 | |
| BLM18AG121SN1D | 12025% | 800 | 0.18 | For general use |
| BLM18AG151SN1D | 15025% | 700 | 0.25 | For general use |
| BLM18AG221SN1D | 22025% | 700 | 0.25 | For general use |
| BLM18AG331SN1D | 33025% | 600 | 0.30 | For general use |
| BLM18AG471SN1D | 47025% | 550 | 0.35 | For general use |
| BLM18AG601SN1D | 60025% | 500 | 0.38 | For general use |
| BLM18AG102SN1D | 100025% | 450 | 0.50 | For general use |
| BLM18BB050SN1D | 525% | 800 | 0.05 | For high speed signal line |
| BLM18BA050SN1D | 525% | 500 | 0.2 | |
| BLM18BB100SN1D | 1025% | 700 | 0.10 | |
| BLM18BA100SN1D | 1025% | 500 | 0.25 | |
| BLM18BB220SN1D | 2225% | 700 | 0.20 | |
| BLM18BA220SN1D | 2225% | 500 | 0.35 | |
| BLM18BB470SN1D | 4725% | 600 | 0.25 | |
| BLM18BD470SN1D | 4725% | 500 | 0.3 | |
| BLM18BA470SN1D | 4725% | 300 | 0.55 | |
| BLM18BB600SN1D | 6025% | 600 | 0.25 | |
| BLM18BA750SN1D | 7525% | 300 | 0.70 | |
| BLM18BB750SN1D | 7525% | 600 | 0.30 | |
| BLM18BB121SN1D | 12025% | 550 | 0.30 | |
| BLM18BD121SN1D | 12025% | 300 | 0.4 | |
| BLM18BA121SN1D | 12025% | 200 | 0.9 | |
| BLM18BB141SN1D | 14025% | 500 | 0.35 | |
| BLM18BB151SN1D | 15025% | 450 | 0.37 | |
| BLM18BD151SN1D | 15025% | 300 | 0.4 | |
| BLM18BB221SN1D | 22025% | 450 | 0.45 | |
| BLM18BD221SN1D | 22025% | 250 | 0.45 | |
| BLM18BB331SN1D | 33025% | 400 | 0.58 | For high speed signal line |
| BLM18BD331SN1D | 33025% | 250 | 0.5 | |
| BLM18BD421SN1D | 42025% | 250 | 0.55 | |
| BLM18BB471SN1D | 47025% | 300 | 0.85 | |
| BLM18BD471SN1D | 47025% | 250 | 0.55 | |
| BLM18BD601SN1D | 60025% | 200 | 0.65 | |
| BLM18BD102SN1D | 100025% | 200 | 0.85 | |
| BLM18BD152SN1D | 150025% | 150 | 1.2 | |
| BLM18BD182SN1D | 180025% | 150 | 1.5 | |
| BLM18BD222SN1D | 220025% | 150 | 1.5 | |
| BLM18BD252SN1D | 250025% | 150 | 1.5 | |
| BLM18TG121TN1D | 12025% | 200 | 0.25 | |
| BLM18TG221TN1D | 22025% | 200 | 0.3 | |
| BLM18TG601TN1D | 60025% | 200 | 0.45 | |
| BLM18TG102TN1D | 100025% | 100 | 0.6 | |
| BLM18SG260TN1D | 2625 | 6000*1 | 0.007 | For DC power line (Thin type) |
| BLM18SG700TN1D | 7025 | 4000*1 | 0.020 | For DC power line (Thin type) |
| BLM18SG121TN1D | 12025 | 3000*1 | 0.025 | For DC power line (Thin type) |
| BLM18SG221TN1D | 22025 | 2500*1 | 0.040 | For DC power line (Thin type) |
| BLM18SG331TN1D | 33025 | 1500*1 | 0.070 | For DC power line (Thin type) |
| BLM18SN220TN1D | 227 | 8000*1 | 0.004 | |
| BLM18KG260TN1D | 2625 | 6000*1 | 0.007 | |
| BLM18KG300TN1D | 3025 | 5000*1 | 0.010 | |
| BLM18KG700TN1D | 7025 | 3500*1 | 0.022 | |
| BLM18KG101TN1D | 10025 | 3000*1 | 0.030 | |
| BLM18KG121TN1D | 12025 | 3000*1 | 0.030 |
| Item | Specification | Test Method |
| Appearance and Dimensions | Meet item 4. | Visual Inspection and measured with Slide Calipers. |
| Bonding Strength | Shall be soldered on the substrate. Applying Force(F) : 6.8N, Applying Time : 5s1s, Applied direction :Parallel to substrate | Table 1 |
| Bending Strength | Shall be soldered on the substrate. Substrate: Glass-epoxy 100mm40mm1.6mm, Deflection : 1.0mm, Speed of Applying Force : 0.5mm/s, Keeping Time : 30s | |
| Vibration | Shall 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 Heat | Appearance: 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 |
| Drop | Products 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) | |
| Solderability | The 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 |
| Item | Specification | Test Method |
| Temperature Cycle | Appearance: 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 |
| Humidity | Temperature : 40C2C, Humidity : 90%(RH) to 95%(RH), Time : 1000h(+48h,-0h), Then measured after exposure in the room condition for 48h4h. | Table 1 |
| Heat Life | Temperature : 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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