Spec No.: JELF243B_0026M-01
P1/9
CHIP COILS (CHIP INDUCTORS) LQM21PN□□□□GR□ REFERENCE SPECIFICATION
1. Scope
This reference specification applies to chip coils (chip inductors) LQM21PN_GR series for general electronic equipment.
2. Part Numbering
(Ex.)
LQ
M
21
P
N
1R0
N
G
R
D
Product ID Structure Dimension Application and Category Inductance Tolerance Dimension Other
Packaging
D: taping
*B: bulk
(L × W)
characteristic
(T)
*B: Bulk packing is also available.
3. Part Number and Rating
Operating temperature range
Storage temperature range
-55°C to +125°C
-55°C to +125°C
Rated current
(A)*1
Inductance
DC
resistance
(Ω)
Self-resonant
frequency
(MHz min.)
Customer
Part number
Murata
Part number
Nominal
Ambient
Ambient
Tolerance
(%)
value
temperature temperature
(μH)
85°C*2
125°C*2
LQM21PN1R0NGRD
LQM21PN3R3MGRD
LQM21PN3R3NGRD
LQM21PN4R7MGRD
LQM21PN4R7NGRD
1.0
3.3
3.3
4.7
4.7
N: ±30 0.066±25%
M: ±20 0.150±25%
N: ±30 0.150±25%
M: ±20 0.23±25%
N: ±30 0.23±25%
50
30
30
30
30
1.3
1.0
1.0
0.8
0.8
0.95
0.75
0.75
0.6
0.6
*1 When rated current is applied to the products, temperature rise caused by self-generated heat shall be limited to 40°C
max.
*2 As shown in the diagram below, derating is applied to the rated current based on the operating temperature.
4. Testing Conditions
Unless otherwise specified
Temperature: ordinary temperature (15°C to 35°C)
Humidity: ordinary humidity [25% to 85% (RH)]
In case of doubt
Temperature: 20°C±2°C
Humidity: 60% to 70% (RH)
Atmospheric pressure: 86 kPa to 106 kPa
MURATA MFG CO., LTD