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Specifications
Insulation Resistance(IR):
10MΩ
Operating Temperature:
-40℃~+85℃
DC Resistance(DCR):
500mΩ
Voltage Rating - DC:
50V
Number of Lines:
2
Voltage Withstand:
125V
Mfr. Part #:
DLW21HN181SQ2L
Package:
SMD-4P,2x1.2mm
Key Attributes
Model Number:
DLW21HN181SQ2L
Product Description
Product Overview
The DLW21HN Series Chip Common Mode Choke Coil is designed for noise suppression in electronic circuits. These coils offer excellent common mode impedance, making them ideal for various signal line applications. They are surface-mountable and designed for reflow soldering.
Product Attributes
- Brand: MURATA MFG.CO.,LTD
- Type: Chip Common Mode Choke Coil
- Structure: Winding Type
- Dimensions (L x W): 2.0 x 1.2 mm
- No Polarity
- Packaging Code: L (Taping), B (Bulk)
Technical Specifications
| Customer Part Number | Murata Part Number | Common Mode Impedance (at 100MHz, ) | Rated Voltage (V(DC)) | Withstanding Voltage (V(DC)) | Rated Current (mA) | DC Resistance ( max.) | Insulation Resistance (M min.) |
| DLW21HN181SQ2L | DLW21HN181SQ2L | 180 25 % | 50 | 125 | 250 | 0.50 | 10 |
| DLW21HN181SQ2B | DLW21HN181SQ2B | 180 25 % | 50 | 125 | 250 | 0.50 | 10 |
| DLW21HN121SQ2L | DLW21HN121SQ2L | 120 25 % | 280 | 0.45 | |||
| DLW21HN121SQ2B | DLW21HN121SQ2B | 120 25 % | 280 | 0.45 | |||
| DLW21HN900SQ2L | DLW21HN900SQ2L | 90 25 % | 330 | 0.35 | |||
| DLW21HN900SQ2B | DLW21HN900SQ2B | 90 25 % | 330 | 0.35 | |||
| DLW21HN670SQ2L | DLW21HN670SQ2L | 67 25 % | 330 | 0.35 | |||
| DLW21HN670SQ2B | DLW21HN670SQ2B | 67 25 % | 330 | 0.35 |
| Operating Temperature | Storage Temperature | Unit Mass (Typical) |
| -40 to +85C | -40 to +85C | 0.009g |
| Item | Specification | Test Method |
| Appearance and Dimensions | Meet item 5. | Visual Inspection and measured with Slide Calipers or Micrometer. |
| Bonding Strength | No evidence of coming off substrate. Products shall not be mechanical damaged. It shall be soldered on the substrate. | Applying Force(F) : 5N Applying Time : 51seconds |
| Bending Strength | It shall be soldered on the Glass-epoxy substrate. Deflection : 2mm (t=1.0mm). Keeping time : 5 seconds Speed of Applying Force : 0.5mm/s | Meet Table 1. |
| Drop | It shall be dropped on concrete or steel board. Method : free fall Height : 1 m The Number of Times : 3 times | |
| Vibration | It shall be soldered on the substrate. Oscillation Frequency : 10 to 55 to 10Hz for 1 minute Total Amplitude : 1.5mm Testing Time : A period of 2 hours in each of 3 mutually perpendicular directions. (Total 6 hours) | |
| Solderability | The electrodes shall be at least 90% covered with new solder coating. | Flux:Ethanol solution of rosin,25(wt)% includes activator equivalent to 0.06 to 0.10(wt)% chlorine Pre-Heating : 80 to 120C 1minute Solder : Sn-3.0Ag-0.5Cu Solder Temperature : 2453C Immersion Time : 41 seconds Immersion and emersion rates : 25mm/s |
| Resistance to Soldering Heat | Appearance No damaged Common Mode Impedance Change within 20% I.R. 10M min. Withstanding Voltage No damaged | Flux : Ethanol solution of rosin,25(wt)% includes activator equipment to 0.06 to 0.10(wt)% chlorine Pre-Heating : 80 to 120C, 1minute Solder : Sn-3.0Ag-0.5Cu Solder Temperature : 2605C Immersion Time : 50.5 seconds Immersion and emersion rates : 25mm/s Then measured after exposure in the room condition for 4 to 48 hours. |
| Temperature Cycle | Meet Table 1. 1 Cycle Step 1 -40C(+0C,-3C) / 303 min Step 2 Ordinary Temp. / 10 to 15 minutes Step 3 +85C(+3C,-0C) / 303 min Step 4 Ordinary Temp. / 10 to 15 minutes Total of 10 cycles Then measured after exposure in the room condition for 4 to 48 hours | |
| Humidity | Temperature : 402C Humidity : 90~95%(RH) Time : 1000(+48 hours,-0 hours) Then measured after exposure in the room condition for 4 to 48 hours. | |
| Heat life | Temperature : 852C Applying Voltage : 2times for Rated Voltage Time : 1000(+48 hours,-0 hours) Then measured after exposure in the room condition for 4 to 48 hours. (ref.item 10) | |
| Cold Resistance | Temperature : -40 2C Time : 1000(+48 hours,-0 hours) Then measured after exposure in the room condition for 4 to 48 hours. |
2410121705_muRata-DLW21HN181SQ2L_C157588.pdf
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