Document
INDUCTORS
Inductors for power circuits Wound ferrite LTF-D series (for automotive)
AEC-Q200
LTF4022-D type
FEATURES
Magnetic shield type wound inductor for power circuits. This is a low-profile product with a height of 2.2mm. Operating temperature range: –40 to +150°C (including self-temperature rise) Compliant with AEC-Q200
APPLICATION
Automotive-related equipment (Car navigation, car audio, electronic power steering, headlights, other) Application guides: Automotive (xEV), Car Infotainment
RoHS
REACH SVHC-Free
Pb
Lead Free
PART NUMBER CONSTRUCTION
LTF 4022
T
-
Series name
Dimensions
Packaging style
1R2
Inductance (µH)
N -D
Inductance tolerance
Internal code
CHARACTERISTICS SPECIFICATION TABLE
L
Measuring
DC resistance
Rated current
frequency
Isat
(µH)
Tolerance
(MHz)
( )max.
( )typ.
(A)max.
1.2 ±30
1
0.028
0.023
2.80
1.8 ±30
1
0.034
0.028
2.40
2.2 ±30
1
0.041
0.036
2.00
3.3 ±30
1
0.064
0.056
1.60
4.7 ±30
1
0.090
0.077
1.30
6.8 ±30
1
0.14 0.11
1.10
10 ±20 1
0.19 0.16
0.95
22 ±20 1
0.37 0.32
0.66
33 ±20 1
0.56 0.48
0.52
47 ±20 1
0.76 0.66
0.46
56 ±20 1
0.87
Rated current(max.): smaller value of either Isat or Itemp.
0.75
0.41
Isat: When based on the inductance change rate (30% below the initial value)
Itemp: When based on the temperature increase (temperature increase of 40°C by self heating)
Itemp (A)typ. 3.30 3.00 2.60 2.10 1.80 1.50 1.2 0.88 0.72 0.59 0.56
Measurement equipment
Measurement item
Product No.
L 4294A
DC resistance
VP-2941A
Rated current Isat
4285A+42841A+42842C
Equivalent measurement equipment may be used.
Manufacturer Keysight Technologies Panasonic Keysight Technologies
Part No.
LTF4022T-1R2N-D LTF4022T-1R8N-D LTF4022T-2R2N-D LTF4022T-3R3N-D LTF4022T-4R7N-D LTF4022T-6R8N-D LTF4022T-100M-D LTF4022T-220M-D LTF4022T-330M-D LTF4022T-470M-D LTF4022T-560M-D
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
(1/4)
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20180921
inductor_automotive_power_ltf4022-d_en.fm
Inductance(µH)
INDUCTORS
LTF4022-D type
L FREQUENCY CHARACTERISTICS
1000
100
10
1
560 470
330 220
100 6R8 4R7 3R3
2R2 1R8
1R2
0.1 0.1
1 10 Frequency(MHz)
Measurement equipment
Product No.
Manufacturer
4294A
Keysight Technologies
Equivalent measurement equipment may be used.
INDUCTANCE VS. DC BIAS CHARACTERISTICS
1000
100
1000
Inductance(µH)
100 10 1
560 470 330
220
100 6R8
4R7
3R3 2R2
0.1 01
Measurement equipment
Product No.
Manufacturer
4285A+42841A+42842C
Keysight Technologies
Equivalent measurement equipment may be used.
2 DC current(A)
1R8
3
1R2
4
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
(2/4)
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20180921
inductor_automotive_power_ltf4022-d_en.fm
INDUCTORS
LTF4022-D type
SHAPE & DIMENSIONS
5.5max.
PACKAGING STYLE
REEL DIMENSIONS
2.0±0.5
2.0
1.4±0.1
ø60
4R7
(4.4)
4.0±0.2
(4.4)
3.0±0.2 4.0+0.2/–0.1
2.2max.
Dimensions in mm
RECOMMENDED LAND PATTERN
(1.0)
ø13.0±0.5 ø21.0±0.8 ø180
TAPE DIMENSIONS
13 17
Dimensions in mm
0.3±0.05
1.50
+0.10 –0
2.0±0.10 4.0±0.10
Sprocket hole
1.75±0.10 5.5±0.10
1.5
12.0±0.20
2.8 5.5
Dimensions in mm
B
4.7±0.1
KA
Cavity
8.0±0.10
Dimensions in mm
RECOMMENDED REFLOW PROFILE
Preheating
Soldering
Peak 245°C
Natural cooling
230°C
230°C
150°C
180°C 60 to 120s
5s 10 to 30s
Type LTF4022-D
A 4.3±0.1
B 6.0±0.1
K 2.4±0.1
PACKAGE QUANTITY Package quantity
500 pcs/reel
TEMPERATURE RANGE, INDIVIDUAL WEIGHT
Operating temperature range
Storage temperature range
Individual weight
–40 to 150 °C
–40 to 150 °C
0.12 g
Operating temperature range includes self-temperature rise. The storage temperature range is for after the assembly.
Time
Temperature
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
(3/4)
Please note that the contents may change without any prior notice due to reasons such as upgrading.
20180921
inductor_automotive_power_ltf4022-d_en.fm
INDUCTORS
REMINDERS FOR USING THESE PRODUCTS
Before using these products, be sure to request the delivery specifications.
SAFETY REMINDERS
Please pay sufficient attention to the warnings for safe designing when using this products.
REMINDERS
The storage period is less than 6 months. Be sure to follow the storage conditions (temperature: 5 to 30°C, humidity: 10 to 75% RH or less). If the storage period elapses, the soldering of the terminal electrodes may deteriorate.
Soldering corrections aft.