B82477G4474M EPCOS Inc, B82477G4474M Datasheet - Page 6

• Manufacturer Part Number: B82477G4474M
• Description: INDUCTOR POWER 470UH .80A SMD
• Manufacturer: EPCOS Inc
• Series: B82477G4r
• Type: Ferrite Corer

Specifications of B82477G4474M

• Inductance: 470µH
• Tolerance: ±20%
• Current: 800mA
• Current - Saturation: 950mA
• Shielding: Shielded
• Dc Resistance (dcr): 790 mOhm Max
• Package / Case: 0.504" L x 0.504" W x 0.315" H (12.80mm x 12.80mm x 8.00mm)
• Mounting Type: Surface Mount
• Frequency - Test: 100kHz
• Material - Core: Ferrite
• Applications: General Purpose
• Product: SMD Power Inductors
• Maximum Dc Current: 0.8 Amp
• Maximum Dc Resistance: 0.79 Ohms
• Dimensions: 12.8 mm W x 12.8 mm L x 8 mm H
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Q @ Freq: -
• Self Resonant Freq: -
• Current - Temperature Rise: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 495-1823-2; B82477G4474M000

Impedance |Z| versus frequency f
measured with impedance analyzer
Agilent 4294A, typical values at 20 °C
Current derating I
versus ambient temperature T
(rated temperature T
|Z|
I
I
op
R
SMT power inductors
Size 12.8
10
10
10
10
10
10
10
10
Ω
1.2
1.0
0.8
0.6
0.4
0.2
_
0
1
6
5
4
3
2
1
0
10
0
3
B82477G4
20
×
10
12.8
4
40
op
×
10
60
R
/I
8.0 (mm)
5
R
= 85 °C)
80 100 120
10
6
A
1000 µH
100 µH
10
10 µH
1 µH
IND0860-Z
IND0508-Z
7
f
˚
T
Hz
C
A
150
10
8
6
Inductance L versus DC load current I
measured with LCR meter Agilent 4275A,
typical values at 20 °C
L
10
03/08
µH
10
10
10
10
_
3
2
1
0
1
10
1000 µH
_
1
100 µH
10 µH
1 µH
10
0
10
1
B82477G4
B82477G4
IND0852-V
I
A 10
DC
DC
2