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LQM21DN100N00D

P1-P3P4-P6P7-P8
Spec No. JELF243B-0004Q-01 P.1/8
MURATA MFG.CO., LTD
Reference
Only
CHIP COIL (CHIP INDUCTORS) LQM21DN□□□□00□ REFERENCE SPECIFICATION
1. Scope
This reference specification applies to LQM21DN series, Chip coil (Chip Inductors).
2. Part Numbering
(ex) LQ M 21 D N 1R0 N 0 0 D
Product ID Structure Dimension Applications Category Inductance Tolerance Features Electrode Packaging
(L×W) and
D: Taping
Characteristics (Paper tape)
L: Taping
(Plastic tape)
*B: Bulk
*B: Bulk packing also available
3. Rating
・Operating Temperature Range – 40°C to + 85°C
・Storage Temperature Range – 55°C to
+125°C
Customer
Part Number
MURATA
Part Number
Inductance
DC
Resistance
Self
Resonant
Frequency
Rated
Current
(
H) Tolerance (Ω max.) (MHz min.) (mA)
LQM21DN1R0N00D 1.0
±30%
0.10 75 60
LQM21DN2R2N00D 2.2 0.17 50 40
LQM21DN4R7N00D 4.7 0.30 35 30
LQM21DN100N00D 10 0.50 24 15
LQM21DN220N00L 22 0.65 16 13
LQM21DN470N00L 47 1.20 7.5 7
4.
Appearance and Dimensions
(in mm)
Dimension of T
Inductance: 1.0H to 10H 0.85mm±0.2mm
Inductance: 22H to 47H 1.25mm±0.2mm
Unit Mass
(Typical value)
Inductance: 1.0H to 10H 0.010g
Inductance: 22H to 47H 0.016g
5. Testing Conditions
《Unless otherwise specified》 《In case of doubt》
Temperature : Ordinary Temperature / 15°C to 35°C Temperature : 20°C ± 2°C
Humidity
: Ordinary Humidity / 25%(RH) to 85%(RH) Humidity : 60%(RH) to 70%(RH)
Atmospheric Pressure : 86kPa to 106kPa
ElectrodeFerrite
0.5±0.3
2.0±0.2
1.25±0.2
T
Spec No. JELF243B-0004Q-01 P.2/8
MURATA MFG.CO., LTD
Reference
Only
6. Electrical Performance
No. Item Specification Test Method
6.1 Inductance
Inductance shall meet item 3. Measuring Equipment:
Agilent 4291A or equivalent (
1mA)
Measuring Frequency: 1MHz
6.2 DC Resistance DC Resistance shall meet item 3. Measuring Equipment: Digital multi meter
DC resistance shall be measured after putting
chip coil between the terminal 2 under the
condition of opening between a and b.
Every measurement the terminal 1 shall be
shorted between a and b when changing chip coil.
6.3 Self Resonant
Frequency
(S.R.F)
S.R.F shall meet item 3. Measuring Equipment:
Agilent 4195A or equivalent
(1mA)
6.4 Rated Current Self temperature rise shall be
limited to 20°C max.
Inductance Change: within ±50%
The
r
ated current is applied.
7. Mechanical Performance
No. Item Specification Test Method
7.1 Shear Test Chip coil shall not be damaged
after tested as test method.
Applied Direction:
Force: 10N
Hold Duration: 5 s±1 s
7.2 Bending Test Chip coil shall not be damaged
after tested as test method.
Substrate: Glass-epoxy substrate
(100mm40mm1.6mm)
(in mm)
Speed of Applying Force: 1mm / s
Deflection: 2mm
Hold Duration: 30s
7.3 Vibration Chip coil shall not be damaged
after tested as test method.
Oscillation Frequency:
10Hz to 55Hz to 10Hz for 1 min
Total Amplitude: 1.5mm
Testing Time: A period of 2 h in each of 3 mutually
Perpendicular directions.
7.4 Solderability The wetting area of the electrode
shall be at least 90% covered
with new solder coating.
Flux: Ethanol solution of rosin 25(wt)%
(Immersed for 5s to 10s)
Solder: Sn-3.0Ag-0.5Cu
Pre-Heating: 150°C±10°C / 60s to 90s
Solder Temperature: 240°C±5°C
Immersion Time: 3s±1s
7.5 Resistance to
Soldering Heat
Appearance: No damage
Inductance Change: within ±20%
Flux: Ethanol solution of rosin 25(wt)%
(Immersed for 5s to 10s)
Solder: Sn-3.0Ag-0.5Cu
Pre-Heating: 150°C±10°C / 60s to 90s
Solder Temperature: 270°C±5°C
Immersion Time: 10s±1s
Then measured after exposure in the room
condition for 24h±2h.
Digital multi meter
(TR6846 or equivalent)
terminal2terminal1
SW
a
b
Ｆ
Solder
Chip Coil
Substrate
45
R340
F
Deflection
45
Product
Pressure jig
Spec No. JELF243B-0004Q-01 P.3/8
MURATA MFG.CO., LTD
Reference
Only
1.45±0.1
4.0±0.1
0.1
0
φ1.5±
2.0±0.05
3.5±0.05
8.0±0.3
1.75±0.1
4.0±0.1
Direction of feed
2.25±0.1
1.1
max
.
1.45±0.1
4.0±0.1
0.1
0
φ1.5±
2.0±0.05
3.5±0.05
8.0±0.3
1.75±0.1
4.0±0.1
Direction of feed
2.25±0.1
0.2±0.1
1.3±0.1
8. Environmental Performance
It shall be soldered on the substrate.
No. Item Specification Test Method
8.1 Heat
Resistance
Appearance: No damage
Inductance Change: within ±20%
Temperature: 85°C±2°C
Time: 1000 h (+48h,-0h)
Then measured after exposure in the room condition
for 48h±2h.
8.2 Cold
Resistance
Temperature: -40°C±2°C
Time: 1000 h (+48h,-0h)
Then measured after exposure in the room condition
for 48h±2h.
8.3 Humidity Temperature: 40°C±2°C
Humidity: 90%(RH) to 95%(RH)
Time: 1000 h (+48h, -0h)
Then measured after exposure in the room condition
for 48h±2h.
8.4 Temperature
Cycle
1 cycle:
1 step: -40°C±2°C / 30 min±3 min
2 step: Ordinary temp. / 10 min to 15 min
3 step: +85°C±2°C / 30 min± 3 min
4 step: Ordinary temp. / 10 min to 15 min
Total of 10 cycles
Then measured after exposure in the room condition
for 48h±2h.
9. Specification of Packaging
9.1 Appearance and Dimensions of paper tape,plastic tape (8mm-wide)
P/N Type Dimensions (in mm)
LQM21D
1R0N00D
2R2N00D
4R7N00D
100N00D
8mm-wide
Paper tape
LQM21D
220N00L
470N00L
8mm-wide
Plastic tape
・Dimension of the Cavity is measured at the bottom side.
P1-P3P4-P6P7-P8

LQM21DN100N00D

Mfr. #:
Buy LQM21DN100N00D
Manufacturer:
Murata Electronics
Description:
Fixed Inductors 0805 10uH 30%
Lifecycle:
New from this manufacturer.
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