SLF7045T-331MR25-PF TDK Corporation, SLF7045T-331MR25-PF Datasheet - Page 2

• Manufacturer Part Number: SLF7045T-331MR25-PF
• Description: INDUCTOR SHIELD PWR 330UH 7045
• Manufacturer: TDK Corporation
• Series: SLFr

Specifications of SLF7045T-331MR25-PF

• Inductance: 330µH
• Tolerance: ±20%
• Shielding: Shielded
• Current: 250mA
• Current - Temperature Rise: 370mA
• Dc Resistance (dcr): 740 mOhm
• Package / Case: 0.276" L x 0.276" W x 0.177" H (7.00mm x 7.00mm x 4.50mm)
• Mounting Type: Surface Mount
• Operating Temperature: -20°C ~ 85°C
• Frequency - Test: 100kHz
• Applications: Power Line
• Test Frequency: 100 KHz
• Maximum Dc Current: 0.25 Amp
• Maximum Dc Resistance: 0.74 Ohms
• Dimensions: 7 mm W x 7 mm L x 4.5 mm H
• Operating Temperature Range: - 20 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Q @ Freq: -
• Self Resonant Freq: -
• Current - Saturation: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 445-2022-1

SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PATTERN
ELECTRICAL CHARACTERISTICS
Inductance
(µH)
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1000
∗
• Test equipment L: 4194A IMPEDANCE/GAIN-PHASE ANALYZER HP, or equivalent (Measured at 100kHz/0.5V)
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE CHANGE vs. DC SUPERPOSITION
CHARACTERISTICS
• All specifications are subject to change without notice.
Winding start mark
Marking
( Inductance code )
10000
Rated current: Value obtained when current flows and the temperature has risen to 20°C or when DC current flows and the nominal value of inductance
has fallen by 10%, whichever is smaller.
3000
1000
300
100
30
10
3
1
0.01
0.03
Test circuit
YHP model-4275A or equivalent
DC
Rdc:MATSUSHITA,VP-2941A DIGITAL MILLIOHM METER, or equivalent
1000µH
330µH
100µH
33µH
10µH
3.3µH
0.1
7±0.2
470
Inductance
tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
DC current ( A )
A
Specimen
0.3
L=0.1H C=20000µF
0.1typ.
4.5±0.3
1
3
Test frequency
L (kHz)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
10
2±0.1
Weight: 0.6g
Dimensions in mm
0.036
0.052
0.061
0.175
2.28
DC resistance
(Ω)±20%
0.02
0.03
0.039
0.096
0.125
0.25
0.34
0.52
0.74
1.05
1.48
2.2
1.3
1.1
0.9
0.6
0.14
Rated current(A)
Based on
inductance change
2.5
2
1.7
0.82
0.75
0.5
0.4
0.33
0.25
0.22
0.2
∗
max.
Based on
temperature rise
2.3
2.1
1.74
1.78
1.53
1.34
1.09
0.92
0.77
0.65
0.55
0.45
0.37
0.31
0.27
0.25
002-05 / 20060927 / e531_slf7045.fm
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Part No.
(2/2)