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1812-274F

Description
Fixed Inductors 270uH 1% 12ohm Unshielded SMT Induc
CategoryPassive components    inductor   
File Size1MB,1 Pages
ManufacturerAPI Delevan
Websitehttp://www.delevan.com/
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1812-274F Overview

Fixed Inductors 270uH 1% 12ohm Unshielded SMT Induc

1812-274F Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
package instruction1812
Reach Compliance Codecompliant
ECCN codeEAR99
uppercase and lowercase codes1812
structureUnshielded
core materialFERRITE
DC Resistance12 Ω
Nominal inductance(L)270 µH
Inductor ApplicationsRF INDUCTOR
Inductor typeGENERAL PURPOSE INDUCTOR
JESD-609 codee0
Manufacturer's serial number1812
Number of functions1
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Package height3.2 mm
Package length4.525 mm
Package formSMT
Package width3.2 mm
method of packingTR, 7/13 Inch
Minimum quality factor (at nominal inductance)40
Maximum rated current0.129 A
self resonant frequency4 MHz
series1812
Shape/Size DescriptionRECTANGULAR PACKAGE
shieldNO
surface mountYES
Terminal surfaceTin/Lead (Sn63Pb37)
Terminal locationDUAL ENDED
Terminal shapeWRAPAROUND
Test frequency0.79 MHz
Tolerance1%
Base Number Matches1
F
R
NG
TI )
RA A
T (m
EN
UM
RR
IM
CE
CU AX
M
AN )
ST S
SI HM
RE (O
M
DC
MU
)*
XI
Hz
MA
(M
M
MU
NI
)
MI
F
Hz
(M
SR
Y
NC
UE
M
EQ
FR
MU
NI
ST
MI
TE
Q
E
NC
RA
LE
TO
SERIES
1812R
1812
s
or
ct
du
In
H)
CE
AN
CT
DU
IN
R*
SH
DA
E
MB
NU
Unshielded Surface Mount Inductors
-100M
-120M
-150M
-180M
-220M
-270M
-330M
-390M
-470M
-560M
-680M
-820M
Actual Size
-101K
-121K
-151K
-181K
-221K
-271K
-331K
-391K
-471K
-561K
-681K
-821K
-102J
-122J
-152J
-182J
-222J
-272J
-332J
-392J
-472J
-562J
-682J
-822J
-103J
-123J
-153J
-183J
-223J
-273J
-333J
-393J
-473J
-563J
-683J
-823J
-104J
-124J
-154J
-184J
-224J
-274J
-334J
-394J
-474J
-564J
-684J
-824J
-105J
0.010
0.012
0.015
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
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
100
120
150
180
220
270
330
390
470
560
680
820
1000
Physical Parameters
Inches
Millimeters
A
0.166 to 0.190
4.22 to 4.83
B
0.118 to 0.134
3.00 to 3.40
C
0.118 to 0.134
3.00 to 3.40
D
0.015 Min.
0.38 Min.
E
0.054 to 0.078
1.37 to 1.98
F
0.118 (Ref. only)
3.00 (Ref. only)
G
0.066 (Ref. only)
1.68 (Ref. only)
Dimensions “A” and “C” are over terminals
Operating Temperature Range
–55°C to +125°C
Current Rating at 90°C Ambient
35°C Rise
Maximum Power Dissipation at 90°C
Iron and Ferrite: 0.278 W
Phenolic: 0.210 W
* Note
Self Resonant Frequency (SRF) values are
calculated and for reference only.
Marking
API/SMD; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 1812R-105J
API/SMD
1mH±5%
R 0629A
Packaging
Tape & reel (12mm): 7" reel, 650 pieces max.;
13" reel, 2500 pieces max.
Made In the U.S.A.
Optional Tolerances: J = 5% H = 3% G = 2% F = 1%
*Complete part # must include series # PLUS the dash #
For surface finish information,
refer to www.delevanfinishes.com
SERIES 1812 PHENOLIC CORE
±20%
40
50
1000*
±20%
40
50
1000*
±20%
40
50
1000*
±20%
40
50
1000*
±20%
40
50
1000*
±20%
40
50
1000*
±20%
40
50
1000*
±20%
30
50
1000*
±20%
30
50
1000*
±20%
30
50
850*
±20%
25
50
750*
±20%
25
50
750*
SERIES 1812 IRON CORE
±10%
30
25
650
±10%
30
25
600
±10%
30
25
500
±10%
30
25
400
±10%
30
25
350
±10%
30
25
300
±10%
30
25
250
±10%
30
25
220
±10%
30
25
190
±10%
30
25
170
±10%
30
25
150
±10%
30
25
140
SERIES 1812 FERRITE CORE
±5%
50
7.9
100
±5%
50
7.9
80
±5%
50
7.9
70
±5%
50
7.9
60
±5%
50
7.9
55
±5%
50
7.9
50
±5%
50
7.9
45
±5%
50
7.9
40
±5%
50
7.9
35
±5%
50
7.9
33
±5%
50
7.9
27
±5%
50
7.9
25
±5%
50
7.9
20
±5%
50
2.5
18
±5%
50
2.5
17
±5%
50
2.5
15
±5%
50
2.5
13
±5%
50
2.5
12
±5%
50
2.5
11
±5%
50
2.5
10
±5%
50
2.5
10
±5%
50
2.5
9
±5%
50
2.5
9
±5%
50
2.5
8
±5%
50
2.5
8
±5%
40
0.79
6
±5%
40
0.79
6
±5%
40
0.79
5
±5%
40
0.79
4
±5%
40
0.79
4
±5%
40
0.79
3.5
±5%
40
0.79
3.0
±5%
40
0.79
3.0
±5%
30
0.79
3.0
±5%
30
0.79
3.0
±5%
30
0.79
2.5
±5%
30
0.79
2.5
0.10
0.10
0.10
0.10
0.10
0.15
0.15
0.20
0.20
0.25
0.25
0.25
0.30
0.30
0.30
0.35
0.40
0.45
0.55
0.70
0.80
1.20
1.40
1.60
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.90
1.00
1.10
1.20
1.40
1.60
2.00
2.50
2.80
3.20
3.60
4.00
4.50
5.00
5.50
6.00
7.00
8.00
8.0
9.0
9.5
10.0
12.0
14.0
20.0
26.0
30.0
30.0
45.0
60.0
1230
1230
1230
1230
1230
1000
1000
870
870
770
770
700
818
818
818
757
708
668
604
535
501
409
379
354
634
604
578
556
535
517
501
472
448
427
409
375
354
317
283
268
250
236
224
211
200
191
183
169
158
158
149
145
142
129
120
100
88
82
82
67
55
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
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