Chip Ferrite Bead muRata BLM31PG121SN1L Designed to Suppress High Frequency Noise in DC Power Lines

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: Negotiable

Product Description

Chip Ferrite Bead BLM31SN1

The BLM31_SN Series Chip Ferrite Bead is designed for effective noise suppression in DC power lines. It offers high impedance at 100MHz, making it suitable for filtering out unwanted high-frequency noise. The product is available in various impedance ratings and current handling capabilities to suit different application needs.

Product Attributes

Brand: MURATA
Origin: Japan (implied by MURATA MFG.CO., LTD.)
Material: Ferrite
Certifications: RoHS compliant (indicated by RoHS marking)

Technical Specifications

MURATA Part Number	Impedance () (at 100MHz)	Rated Current at 85 (mA)	Rated Current at 125 (mA)	DC Resistance () max.	Remark
BLM31PG330SN1L	3325%	6000	3500	0.018	For DC power line
BLM31PG330SN1B	3325%	6000	3500	0.018	For DC power line
BLM31PG500SN1L	35 min.	3500	2300	0.03	For DC power line
BLM31PG500SN1B	35 min.	3500	2300	0.03	For DC power line
BLM31PG121SN1L	12025%	3500	2000	0.04	For DC power line
BLM31PG121SN1B	12025%	3500	2000	0.04	For DC power line
BLM31PG391SN1L	39025%	2000	1250	0.10	For DC power line
BLM31PG391SN1B	39025%	2000	1250	0.10	For DC power line
BLM31PG601SN1L	60025%	1500	1000	0.16	For DC power line
BLM31PG601SN1B	60025%	1500	1000	0.16	For DC power line
BLM31SN500SN1L	5012.5	12000	10000	0.0021	For DC power line
BLM31SN500SN1B	5012.5	12000	10000	0.0021	For DC power line
BLM31KN121SN1L	12025%	6000	4000	0.011	For DC power line
BLM31KN121SN1B	12025%	6000	4000	0.011	For DC power line
BLM31KN271SN1L	27025%	4500	3000	0.019	For DC power line
BLM31KN271SN1B	27025%	4500	3000	0.019	For DC power line
BLM31KN471SN1L	47025%	4000	2700	0.024	For DC power line
BLM31KN471SN1B	47025%	4000	2700	0.024	For DC power line
BLM31KN601SN1L	60025%	2900	2000	0.045	For DC power line
BLM31KN601SN1B	60025%	2900	2000	0.045	For DC power line
BLM31KN801SN1L	80025%	2500	1700	0.06	For DC power line
BLM31KN801SN1B	80025%	2500	1700	0.06	For DC power line
BLM31KN102SN1L	100025%	2000	1400	0.09	For DC power line
BLM31KN102SN1B	100025%	2000	1400	0.09	For DC power line

Dimensions

Part Series	Dimension "T" (mm)	Width (mm)	Length (mm)	Height (mm)
BLM31PG**SN1	1.10.2	3.2 0.2	1.6 0.2	0.7 0.3
BLM31SN**SN1	1.10.2	3.2 0.2	1.6 0.2	0.7 0.3
BLM31KN**SN1	1.60.2	3.2 0.2	1.6 0.2	0.7 0.3

Environmental and Mechanical Specifications

Item	Specification
Operating Temperature	-55C to +125C
Storage Temperature	-55C to +125C
Bonding Strength	Soldered on substrate. Applying Force(F) : 9.8N, Applying Time : 5s1s, Applied direction: Parallel to substrate
Bending Strength	Soldered on substrate. Substrate: Glass-epoxy 100mm40mm1.6mm, Deflection: 1.0mm, Speed of Applying Force : 0.5mm/s, Keeping Time : 30s. Appearance: No damage, Impedance Change (at 100MHz): Within 30%, DC Resistance: Meet item 3.
Vibration	Soldered on 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	Soldered on substrate. Pre-Heating : 150C10C, 60s90s. Solder : Sn-3.0Ag-0.5Cu, Solder Temperature : 270C5C, Immersion Time : 10s0.5s. Measured after exposure in room condition for 48h4h.
Drop	No failure after tested. Dropped on concrete or steel board. 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.
Temperature Cycle	Soldered on substrate. 1 cycle: -55C (30min) -> Ordinary temp. (10-15min) -> +125C (30min) -> Ordinary temp. (10-15min). Total 100 cycles. Measured after exposure in room condition for 48h4h. Impedance Change (at 100MHz): Within 30% (for BLM31SN,KN within 50%). DC Resistance: Meet item 3.
Humidity	Temperature : 40C2C, Humidity : 90%(RH) to 95%(RH), Time : 1000h. Measured after exposure in room condition for 48h4h.
Heat Life	Temperature : 85C3C, Applying Current : Rated Current, Time : 1000h. Measured after exposure in room condition for 48h4h.
Cold Resistance	Temperature : -552C, Time : 1000h. Measured after exposure in room condition for 48h4h.