Chip Ferrite Bead BLM41_SN Series
This reference specification applies to the Chip Ferrite Bead BLM41_SN Series. These components are designed for DC power line applications, providing impedance characteristics to suppress noise. They are suitable for operation and storage in temperatures ranging from -55C to +125C.
Product Attributes
- Brand: MURATA
- Origin: Japan (implied by manufacturer)
- Product ID: BLM41
- Series: BLM41_SN Series
Technical Specifications
| MURATA Part Number | Impedance () (at 100MHz) | Rated Current (mA) | DC Resistance () max. | Remark |
| BLM41PG600SN1L | 6000 *1 | 370 | 0.009 | For DC power line |
| BLM41PG600SN1B | 6000 *1 | 370 | 0.009 | For DC power line |
| BLM41PG750SN1L | 3500 *1 | 450 | 0.015 | |
| BLM41PG750SN1B | 3500 *1 | 450 | 0.015 | |
| BLM41PG181SN1L | 3500 *1 | 180 | 0.02 | |
| BLM41PG181SN1B | 3500 *1 | 180 | 0.02 | |
| BLM41PG471SN1L | 2000 *1 | 470 | 0.05 | |
| BLM41PG471SN1B | 2000 *1 | 470 | 0.05 | |
| BLM41PG102SN1L | 1500 *1 | 1000 | 0.09 | |
| BLM41PG102SN1B | 1500 *1 | 1000 | 0.09 |
Electrical Performance
| Specification | Test Method |
| Impedance (Measuring Frequency: 100MHz1MHz) | Agilent 4291A or equivalent, Agilent 16192A or equivalent test fixture |
| DC Resistance | Digital multi meter |
Mechanical Performance
| 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) : 9.8N, Applying Time : 5s1s, Applied direction: Parallel to substrate | It shall be soldered on the substrate. |
| Bending Strength | Substrate : Glass-epoxy 100mm40mm1.6mm, Deflection : 1.0mm, Speed of Applying Force : 0.5mm/s, Keeping Time : 30s | It shall be soldered on the substrate. |
| Vibration | 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) | It shall be soldered on the substrate. |
| Resistance to Soldering Heat | Pre-Heating : 150C10C, 60s90s, Solder : Sn-3.0Ag-0.5Cu, Solder Temperature : 270C5C, Immersion Time : 10s0.5s, Immersion and emersion rates : 25mm/s. Measured after exposure in room condition for 48h4h. | |
| Drop | Products shall be no failure after tested. Dropped on concrete or steel board. Method : free fall, Height : 75cm, Attitude : 3 directions, Number of times : 3 times for each direction (Total 9 times) | |
| Solderability | 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 : 4s1s, Immersion and emersion rates : 25mm/s. Appearance No damage, Impedance Change (at 100MHz) Within 30%, DC Resistance Meet item 3. |
Environmental Performance
| Item | Specification | Test Method |
| Temperature Cycle | 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. Measured after exposure in room condition for 48h4h. | |
| Humidity | Temperature : 40C2C, Humidity : 90%(RH) to 95%(RH), Time : 1000h(+48h,-0h). Measured after exposure in room condition for 48h4h. | |
| Heat Life | Temperature : 85C3C, Applying Current : Rated Current, Time : 1000h(+48h,-0h). Measured after exposure in room condition for 48h4h. | |
| Cold Resistance | Temperature : -552C, Time : 1000h(+48h,-0h). Measured after exposure in room condition for 48h4h. |
Packaging Specification
| Item | Specification |
| Taping | 12mm-wide, 4mm-pitch plastic tape. Sprocket holes to the right when tape is pulled toward user. No spliced points in base and top tape. Missing components number within 0.1% of number per reel or 1 pc., whichever is greater, and not continuous. Specified quantity per reel is kept. |
| Tape Strength | Plastic tape: 5N min., Cover tape: 10N min. Peeling off force of Cover tape: 0.2N to 0.7N (Minimum value is typical.) Speed of Peeling off: 300mm/min. |
| Standard quantity per reel | 2500 pcs. / 180mm reel. |
| Leader/Trailer Tape | Leader-tape (cover tape only and empty tape) and trailer-tape (empty tape) are provided. |
| Reel Marking | Label on reel includes: Customer part number, MURATA part number, Inspection number, RoHS marking, Quantity, etc. |
| Outer Package | Corrugated cardboard package. Label on box includes: Customer name, Purchasing order number, Customer part number, MURATA part number, RoHS marking, Quantity, etc. |
| Outer Case Dimensions | W: 186mm, D: 186mm, H: 93mm (for 3 reels) |
Caution
Excessive surge current applied to the product may cause critical failure. Contact manufacturer in advance if surge current is expected.
Limitation of Applications
Consult manufacturer before using for applications requiring especially high reliability to prevent defects that might directly cause damage to third party's life, body, or property. This includes aircraft, aerospace, undersea, power plant control, medical, disaster prevention/crime prevention, traffic signal, and transportation equipment.
Notice
This product is designed for solder mounting. Consult manufacturer for other mounting methods like conductive adhesive. Land pattern design and soldering conditions are specified for reflow and flow soldering.
1808132354_muRata-BLM41PG102SN1L_C88999.pdf
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