I N D U C T O R S
Inductors for power circuits
Cl
Br
Pb
Thin-film metal magnetic material
TFM-ALMA series (for automotive)
REACH Halogen
Free
Lead
Free
RoHS
SVHC-Free
AEC-Q200
TFM322512ALMA type
FEATURES
By using metal magnetic material with high Saturation magnetic flux density the excellent DC bias characteristics needed for inductors
for power circuits can be achieved.
With the same product shape and terminal structure as general chip parts it has excellent mounting stability characteristics and can also
be mounted to general-purpose land patterns.
By using a closed magnetic circuit structure leakage flux is minimized.
Compliant with AEC-Q200
APPLICATION
ADAS ECU, in-Vehicle camera (view camera, sensing camera), radar, meter cluster, automotive communication module
Other power supply circuit uses
PART NUMBER CONSTRUCTION
TFM
322512
ALM
A
1R0
M
T
AA
L×W×H dimensions
3.2×2.5×1.2 mm
Inductance
(µH)
Characteristic Automotive
type use
Inductance
tolerance
Series name
Packaging style Internal code
CHARACTERISTICS SPECIFICATION TABLE
Rated current
L
L measuring
frequency
DC resistance
Rated
voltage
Part No.
Isat
Itemp
(µH)
1.0
1.5
2.2
3.3
4.7
6.8
10
Tolerance (MHz)
(m )max. (m)typ.
(A)max. (A)typ.
(A)max. (A)typ.
(V)max.
20
20
20
20
20
20
20
20%
20%
20%
20%
20%
20%
20%
1
1
1
1
1
1
1
37
57
30
46
4.6
4.0
3.3
2.5
2.2
1.8
1.6
5.1
4.5
3.6
2.8
2.5
2.1
1.8
4.0
3.2
2.7
2.3
1.9
1.4
1.2
4.4
3.5
3.0
2.5
2.1
1.6
1.4
TFM322512ALMA1R0MTAA
TFM322512ALMA1R5MTAA
TFM322512ALMA2R2MTAA
TFM322512ALMA3R3MTAA
TFM322512ALMA4R7MTAA
TFM322512ALMA6R8MTAA
TFM322512ALMA100MTAA
77
64
113
151
260
360
97
127
220
305
Rated current: smaller value of either Isat or Itemp.
Isat: When based on the inductance change rate (30% below the initial L value)
Itemp: When based on the temperature increase (temperature increase of 40°C by self heating)
Please refer to the graph of Rated current vs. temperature characteristics (derating) about the rating current at 85°C or more in temperature of the product.
Measurement equipment
Measurement item
L
Product No.
4294A
Manufacturer
Keysight Technologies
DC resistance
Rated current Isat
Digital Milliohm Meter
4285A+42841A+42842C
Keysight Technologies
＊ Equivalent measurement equipment may be used.
TEMPERATURE RANGE, INDIVIDUAL WEIGHT
Operating temperature range
Storage temperature range
Individual weight
–55 to +150 °C
Operating temperature range includes self-temperature rise.
The storage temperature range is for after the assembly.
–55 to +150 °C
0.052 g
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
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