Product Specification Summary for DLW21HN900SQ2L

Basic Information

• Supplier: Murata Manufacturing Co., Ltd.
• Murata Part Number: DLW21HN900SQ2L
• Product: Chip Common Mode Choke Coil
• Series: DLW21H Series

Part Number Breakdown

• (1) Chip Common Mode Choke Coil
• (2) Structure (W : Winding Type)
• (3) Dimension (L×W)
• (4) Type
• (5) Category
• (6) Impedance (Typ. at 100MHz)
• (7) Circuit
• (8) Features
• (9) Number of Line
• (10) Packaging Code

Rating

Electrical Characteristics

• Common Mode Impedance (at 100MHz, Under Standard Testing Condition): 90 ± 25% Ω
• Rated Voltage: 50 V(DC)
• Withstanding Voltage: 125 V(DC)
• Rated Current: 330 mA
• DC Resistance (max.): 0.35 Ω
• Insulation Resistance (min.): 10 MΩ

Temperature Ranges

• Operating Temperature: -40 to +85°C
• Storage Temperature: -40 to +85°C

Standard Testing Condition

• Temperature: 15 to 35°C (Ordinary Temperature)
• Humidity: 25 to 85% (Ordinary Humidity)
• Atmospheric Pressure: 86 to 106 kPa

Style and Dimensions

Equivalent Circuits

• Unit Mass (Typical value): 0.009g

Dimensions (in mm)

• Length (L): 2.0 ± 0.2 mm
• Width (W): 1.2 ± 0.2 mm
• Height (H): 0.9 ± 0.1 mm

Marking

• No Marking

Electrical Performance

Common Mode Impedance (Zc)

• Specification: Meet item 3
• Measuring Equipment: KEYSIGHT 4291A or equivalent
• Measuring Frequency: 100 ± 1 MHz

Withstanding Voltage

• Specification: Products shall not be damaged
• Test Voltage: 2.5 times Rated Voltage
• Time: 5 ± 1 s
• Charge Current: 1 mA max.

DC Resistance (Rdc)

• Specification: Meet item 3
• Measuring Current: 100 mA max.
• Measurement Method: 4 terminal method (in case of doubt)

Insulation Resistance (I.R.)

• Measuring Voltage: Rated Voltage
• Measuring Time: 1 minute max.

Mechanical Performance

Appearance and Dimensions

• Specification: Meet item 5
• Test Method: Visual Inspection and measured with Slide Calipers or Micrometer

Bonding Strength

• Specification: No evidence of coming off substrate
• Applying Force (F): 5 N
• Applying Time: 5 ± 1 seconds

Bending Strength

• Specification: Meet Table 1
• Deflection: 2 mm (t=1.0mm)
• Keeping Time: 5 seconds
• Speed of Applying Force: 0.5 mm/s

Drop Test

• Specification: No damage after dropping
• Method: Free fall
• Height: 1 m
• Number of Times: 3 times

Vibration

• Specification: No damage after vibration test
• Oscillation Frequency: 10 to 55 to 10 Hz for 1 minute
• Total Amplitude: 1.5 mm
• Testing Time: 2 hours in each of 3 mutually perpendicular directions (Total 6 hours)

Solderability

• Specification: 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 120°C for 1 minute
• Solder: Sn-3.0Ag-0.5Cu
• Solder Temperature: 245 ± 3°C
• Immersion Time: 4 ± 1 seconds
• Immersion and Emersion Rates: 25 mm/s

Resistance to Soldering Heat

• Specification: Meet Table 1
• Flux: Ethanol solution of rosin, 25(wt)% includes activator equivalent to 0.06 to 0.10(wt)% chlorine
• Pre-Heating: 80 to 120°C for 1 minute
• Solder: Sn-3.0Ag-0.5Cu
• Solder Temperature: 260 ± 5°C
• Immersion Time: 5 ± 0.5 seconds
• Immersion and Emersion Rates: 25 mm/s
• Measurement Conditions: After exposure in room condition for 4 to 48 hours

Environmental Performance

Temperature Cycle

• Specification: Meet Table 1
• Cycle Steps:Step 1: -40°C (+0°C, -3°C) / 30 ± 3 minutesStep 2: Ordinary Temp. / 10 to 15 minutesStep 3: +85°C (+3°C, -0°C) / 30 ± 3 minutesStep 4: Ordinary Temp. / 10 to 15 minutes
• Total Cycles: 10 cycles
• Measurement Conditions: After exposure in room condition for 4 to 48 hours

Humidity

• Specification: No damage after humidity test
• Temperature: 40 ± 2°C
• Humidity: 90 to 95% (RH)
• Time: 1000 (+48 hours, -0 hours)
• Measurement Conditions: After exposure in room condition for 4 to 48 hours

Heat Life

• Specification: No damage after heat life test
• Temperature: 85 ± 2°C
• Applying Voltage: 2 times Rated Voltage
• Time: 1000 (+48 hours, -0 hours)
• Measurement Conditions: After exposure in room condition for 4 to 48 hours

Cold Resistance

• Specification: No damage after cold resistance test
• Temperature: -40 ± 2°C
• Time: 1000 (+48 hours, -0 hours)
• Measurement Conditions: After exposure in room condition for 4 to 48 hours

Terminal to be Tested

Measurement Terminals

• Common Mode Impedance
• Withstanding Voltage
• DC Resistance
• Insulation Resistance

Supply Terminal

• Heat Life

Measuring Method for Common Mode Impedance

• Steps:Measure admittance of the fixture (opened), Go Bo.Measure impedance of the fixture (shorted), Rs Xs.Measure admittance of the specimen, Gm Bm.Calculate corrected impedance using the formula:∣Z∣=Rx2​+Xx2​​Where:Rx​=(Gm​−Go​)2+(Bm​−Bo​)2−Rs​​Gm​−Go​​Xx​=(Gm​−Go​)2+(Bm​−Bo​)2−Xs​​−(Bm​−Bo​)​

Packaging

Appearance and Dimensions (8mm-wide, Plastic tape)

Taping Specification

• Packing Quantity (Standard quantity): 3000 pcs. / reel
• Packing Method: Products shall be packaged in each embossed cavity of plastic tape and sealed with cover tape.
• Spliced point: The cover tape has no spliced point.
• Sprocket Hole: The sprocket holes are to the right as the tape is pulled toward the user.
• Missing components number: 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: 5N min.
• Peeling off force of Cover Tape: 0.2 to 0.7N (Minimum value is Typical)
• Speed of Peeling off: 300 mm