ELJFB821JF Panasonic, ELJFB821JF Datasheet - Page 4

• Manufacturer Part Number: ELJFB821JF
• Description: WIREWOUND INDUCTOR, 820UH 45mA 5% 2.4MHZ
• Manufacturer: Panasonic
• Series: FBr

Specifications of ELJFB821JF

• Dc Resistance Max: 45ohm
• Dc Current Rating: 45mA
• Q Factor @ Frequency: 30 @ 796kHz
• Inductor Type: Wirewound
• Termination Type: SMD
• Self Resonant Frequency: 2.4MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
: Symbol of Tolerance
FB Type 4532 (1812)
Standard Parts
Dimensions in mm (not to scale)
ELJFBR22 F
ELJFBR27 F
ELJFBR33 F
ELJFBR39 F
ELJFBR47 F
ELJFBR56 F
ELJFBR68 F
ELJFBR82 F
ELJFB1R0 F
ELJFB1R2 F
ELJFB1R5 F
ELJFB1R8 F
ELJFB2R2 F
ELJFB2R7 F
ELJFB3R3 F
ELJFB3R9 F
ELJFB4R7 F
ELJFB5R6 F
ELJFB6R8 F
ELJFB8R2 F
ELJFB100 F
ELJFB120 F
ELJFB150 F
ELJFB180 F
ELJFB220 F
ELJFB270 F
ELJFB330 F
ELJFB390 F
ELJFB470 F
ELJFB560 F
ELJFB680 F
ELJFB820 F
ELJFB101 F
ELJFB121 F
ELJFB151 F
ELJFB181 F
ELJFB221 F
ELJFB271 F
ELJFB331 F
ELJFB391 F
ELJFB471 F
ELJFB561 F
ELJFB681 F
ELJFB821 F
ELJFB102 F
Part No.
4.5±0.3
Marking
(µH)
1000
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
100
120
150
180
220
270
330
390
470
560
680
820
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
✽1 : Self Resonant Frequency ✽2 : DC Resistance
0.6±0.2
Inductance
Tolerance
M : ±20 %
K : ±10 %
K : ±10 %
M:±20 %
J : ± 5 %
(%)
or
or
Test Freq.
(MHz)
1.0
0.1
min.
30
50
40
30
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Standard Packing Quantity
500 pcs./Reel
Recommended Land Pattern in mm (not to scale)
Q
Test Freq.
(MHz)
0.796
25.2
7.96
2.52
1.5
5
Fixed Inductors (Chip Inductors)
(MHz) min.
SRF
230
200
180
155
135
120
105
9.7
9.0
8.2
7.5
6.7
6.1
5.5
5.1
4.5
4.1
3.7
3.3
3.3
2.7
2.5
2.4
2.1
90
80
70
60
50
45
43
39
36
33
30
26
24
22
20
18
16
15
13
12
10
5.5 to 6.0
✽1
( ) max.
R
0.30
0.32
0.35
0.37
0.40
0.42
0.48
0.50
0.52
0.55
0.61
0.61
0.61
0.61
0.66
0.74
0.81
0.88
1.0
1.6
1.8
1.9
2.1
2.3
2.6
2.9
3.1
3.6
4.2
4.7
5.3
5.9
8.8
DC
10
11
13
13
14
16
19
31
35
39
45
53
2.4 to 2.6
✽2
DC Current
(mA) max.
700
650
630
620
580
560
530
500
470
460
430
410
410
400
380
360
350
330
310
250
235
225
215
205
195
185
175
165
130
125
115
110
105
100
Feb. 2006
95
85
85
80
75
70
55
50
50
45
40