<
>
Specifications
Insulation Resistance(IR):
10MΩ
Operating Temperature:
-40℃~+105℃
DC Resistance(DCR):
75mΩ
Voltage Rating - DC:
60V
Number of Lines:
2
Voltage Withstand:
150V
Mfr. Part #:
DLW44SM242SK2L
Key Attributes
Model Number:
DLW44SM242SK2L
Product Description
Wire Wound Chip Common Mode Choke Coil DLW44SM Series
The DLW44SM Series is a wire wound chip common mode choke coil designed for high-reliability applications. This magnetically shielded, single-circuit type offers effective noise suppression and is suitable for various electronic equipment.
Product Attributes
- Brand: MURATA
- Origin: Japan (implied by MURATA MFG CO., LTD.)
- Type: Wire Wound Chip Common Mode Choke Coil
- Structure: Winding Type
- Dimension: LW
- Shielding: Magnetically Shielded
- Circuit: One Circuit Type
- Marking: Laser Marking Type (M)
- Polarity: No polarity
- Operating Temperature: -40 C to +105 C
- Storage Temperature: -40 C to +105 C
Technical Specifications
| MURATA Part Number | Impedance at 10MHz () | Impedance at 100MHz ( Typ.) | Rated Voltage V(DC) | Rated Current (A) | DC Resistance (Rdc) (40%) | Insulation Resistance (M min.) | Packaging Code |
| DLW44SM101SK2L | 10.040% | 100 | 60 | 3.1 | 0.016 | 10 | L |
| DLW44SM101SK2K | 10.040% | 100 | 60 | 3.1 | 0.016 | 10 | K |
| DLW44SM101SK2B | 10.040% | 100 | 60 | 3.1 | 0.016 | 10 | B |
| DLW44SM251SK2L | 24.040% | 250 | 60 | 2.6 | 0.024 | 10 | L |
| DLW44SM251SK2K | 24.040% | 250 | 60 | 2.6 | 0.024 | 10 | K |
| DLW44SM251SK2B | 24.040% | 250 | 60 | 2.6 | 0.024 | 10 | B |
| DLW44SM401SK2L | 37.540% | 400 | 60 | 2.1 | 0.030 | 10 | L |
| DLW44SM401SK2K | 37.540% | 400 | 60 | 2.1 | 0.030 | 10 | K |
| DLW44SM401SK2B | 37.540% | 400 | 60 | 2.1 | 0.030 | 10 | B |
| DLW44SM851SK2L | 6540% | 850 | 60 | 1.9 | 0.040 | 10 | L |
| DLW44SM851SK2K | 6540% | 850 | 60 | 1.9 | 0.040 | 10 | K |
| DLW44SM851SK2B | 6540% | 850 | 60 | 1.9 | 0.040 | 10 | B |
| DLW44SM172SK2L | 10040% | 1700 | 60 | 1.5 | 0.060 | 10 | L |
| DLW44SM172SK2K | 10040% | 1700 | 60 | 1.5 | 0.060 | 10 | K |
| DLW44SM172SK2B | 10040% | 1700 | 60 | 1.5 | 0.060 | 10 | B |
| DLW44SM242SK2L | 14040% | 2400 | 60 | 1.4 | 0.075 | 10 | L |
| DLW44SM242SK2K | 14040% | 2400 | 60 | 1.4 | 0.075 | 10 | K |
| DLW44SM242SK2B | 14040% | 2400 | 60 | 1.4 | 0.075 | 10 | B |
| DLW44SM302SK2L | 18040% | 2200 | 60 | 1.1 | 0.120 | 10 | L |
| DLW44SM302SK2K | 18040% | 2200 | 60 | 1.1 | 0.120 | 10 | K |
| DLW44SM302SK2B | 18040% | 2200 | 60 | 1.1 | 0.120 | 10 | B |
Electrical Performance
| Item | Specifications | Test Method |
| Impedance (|Z|) (at 10MHz) | Meet item 3. | Measuring Equipment : KEYSIGHT 4191A or the equivalents. Measuring Frequency : 10MHz |
| Insulation Resistance (I.R.) | 10M min. | Measuring Equipment : R8340A or the equivalents. Test Voltage : 2times for Rated Voltage Time : within 60 s |
| DC Resistance (Rdc) | 40% | Measuring Current : 100 mA max. (In case of doubt in the above mentioned standard condition,measure by 4 terminal method.) |
| Withstanding Voltage | No damaged. | Voltage : 150 V(DC) Time : 60 s Charge Current : 1 mA max. |
Mechanical Performance
| Item | Specifications | Test Method |
| Appearance and Dimensions | Meet item 5. | Visual Inspection and measured with Slide Calipers. |
| Bonding Strength and Core Strength | No evidence of chipping,breakage. No evidence of coming off glass-epoxy substrate. | Applying Force (F) : 10N Applying Time : 51s |
| Body strength | No evidence of chipping,breakage. | Applying Force (F) : 10N Applying Time : 51s |
| Bending Strength | Appearance No damaged. Impedance change (at 10MHz) within 20% I.R. 10M min. Withstanding Voltage No damaged. | Substrate : Glass-epoxy (t=1.6mm) Deflection : 2mm Speed of Applying Force : 0.5 mm/s Keeping Time : 30 s |
| Vibration | Products shall be soldered on the substrate. | Oscillation Frequency : 10 to 55 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 hours). |
| Drop | Products shall be dropped concrete or steel board. | Method : free fall Height : 0.75m The Number of Times : 3Times |
| Solderability | The electrodes shall be at least 90% covered with new solder coating. | Flux : Ethanol solution of rosin,25(wt)% Pre heating : 150 10C, 1 minute. Solder : Sn-3.0Ag-0.5Cu Solder Temperature : 2455C Immersion Time : 41s Immersion and Immersion rates : 25mm/s |
| Resistance to Soldering heat | Meet Table 1. | Flux : Ethanol solution of rosin,25(wt)% Pre heating : 150 10C, 1 minute. Solder : Sn-3.0Ag-0.5Cu Solder Temperature : 270 5C Immersion Time : 51s Immersion and Immersion rates : 25mm/s Then measured after exposure in the room condition for 4 to 48 hours. |
Environmental Performance
| No. | Item | Specifications | Test Method |
| 9.1 | Temperature Cycle | 1 cycle 1 step : -40 C (+0, -3)C / 30min (+ 3,- 0) min 2 step : Ordinary temp. / 3 min max. 3 step : +105 C (+3, -0)C / 30min (+ 3,- 0) min 4 step : Ordinary temp. / 3 min max. Total of 100 cycles Then measured after exposure in the room condition for 4 to 48 hours. | Meet Table 1. |
| 9.2 | Humidity | Temperature : 40 2 C Humidity : 90 to 95 %(RH) Time : 1000 h (+48 h , -0 h) Then measured after exposure in the room condition for 4 to 48 hours. | |
| 9.3 | Humidity Load | Temperature : 60 2 C Humidity : 90 to 95 %(RH) Test Voltage : Rated Voltage Time : 1000 h (+48 h , -0 h) Then measured after exposure in the room condition for 4 to 48 hours. (ref. Item 10.) | |
| 9.4 | Heat life | Temperature : 105 2 C Test Voltage : Rated Voltage Time : 1000 h (+48 h , -0 h) Then measured after exposure in the room condition for 4 to 48 hours. (ref. Item 10.) | |
| 9.5 | Cold Resistance | Temperature : - 40 2 C Time : 1000 h (+48 h , -0 h) Then measured after exposure in the room condition for 4 to 48 hours. (ref. Item 10.) |
Packaging Specification
| Specification | Details |
| Packing Quantity | 180 mm reel : 1000 pcs. / reel 330 mm reel : 3500 pcs. / reel |
| Packing Method | Products shall be packaged in each embossed cavity of plastic tape and sealed with cover tape. |
| Sprocket Hole | The sprocket holes are to the right as the tape is pulled toward the user. |
| Spliced point | The cover tape have no spliced point. |
| Missing components number | Within 0.025% of the number per reel or 1 pc., whichever is greater, and are not continuous. The specified quantity per reel is kept. |
| Pull Strength of Plastic Tape | 5 N min. |
| Pull Strength of Cover Tape | 10 N min. |
| Peeling off force of Cover Tape | 0.2N to 0.7N (minimum value is typical.) Speed of Peeling off : 300 mm / min |
Caution
Mounting Direction: Mount products in the right direction. Wrong direction which is 90 rotated from the right direction can cause not only open or short circuits but also flames or other serious trouble.
Limitation of Applications: Please contact us before using our products for the applications listed below which require especially high reliability for the prevention of defects which might directly cause damage to the third partys life, body or property:
- Aircraft equipment
- Aerospace equipment
- Undersea equipment
- Power plant control equipment
- Medical equipment
- Transportation equipment (automobiles, trains, ships, etc.)
- Traffic signal equipment
- Disaster prevention / crime prevention equipment
- Data-processing equipment
- Applications of similar complexity or with reliability requirements comparable to the applications listed above.
Notice
Products can only be soldered with reflow. This product is designed for solder mounting. Please consult us in advance for applying other mounting methods such as conductive adhesive.
2411220051_muRata-DLW44SM242SK2L_C1857790.pdf
Request A Quote
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
