October 11, 2006
123 Series High Current Toroidal Inductors
Features
Single layer and cost effective design
Semi-encapsulated construction
Designed for high frequency power supply applications
Available without case upon request
RoHS Compliant starting with Date Code 0452
Tinned Leads with Leaded Solder is Available
(note 1)
ELECTRICAL SPECIFICATIONS AT 25ºC
Part Number
Inductance @
no load
µH
+20%/-12%
40.0
DCR
Ohms
(Max)
0.007
Dimensions Inches
mm
Lead Dia.
Inches ±0.003
Inductance µH
(Typ)
@ IDC
17.0
IDC Amps
L
0.80
20.32
0.91
23.11
1.11
28.19
0.55
13.97
0.80
20.32
0.80
20.32
0.91
23.11
1.11
28.19
0.55
13.97
0.80
20.32
0.80
20.32
0.91
23.11
1.11
28.19
0.90
22.86
0.80
20.32
W
1.60
40.64
1.95
49.53
2.30
58.42
1.20
30.48
1.44
36.57
1.60
40.64
1.95
49.53
2.30
58.42
1.20
30.48
1.44
36.57
1.60
40.64
1.95
49.53
2.30
58.42
1.30
33.02
1.60
40.64
H
1.72
43.68
2.00
50.80
2.30
58.42
1.20
30.48
1.44
36.57
1.72
43.68
2.00
50.80
2.30
58.42
1.20
30.48
1.44
36.57
1.72
43.68
2.00
50.80
2.30
58.42
1.40
35.56
1.72
43.68
D
0.90
22.86
1.20
30.48
1.50
38.10
0.80
20.32
0.90
22.86
0.90
22.86
1.20
30.48
1.50
38.10
0.80
20.32
0.90
22.86
0.90
22.86
1.20
30.48
1.50
38.10
0.75
19.05
0.90
22.86
C
0.60
15.24
0.70
17.78
0.90
22.86
0.40
10.16
0.60
15.24
0.60
15.24
0.70
17.78
0.90
22.86
0.40
10.16
0.60
15.24
0.60
15.24
0.70
17.78
0.90
22.86
0.66
16.76
0.60
15.24
3
PT12310
0.081
17.0
PT12311
70.0
0.009
0.081
32.0
16.0
PT12312
120.0
0.012
0.081
60.0
16.0
PT12313
28.0
0.009
0.057
14.0
10.0
PT12314
45.0
0.012
0.057
23.0
11.0
PT12315
86.0
0.018
0.057
43.0
10.0
PT12316
180.0
0.025
0.057
78.0
10.0
PT12317
260.0
0.032
0.057
144.0
10.0
PT12318
60.0
0.025
0.040
32.0
6.5
PT12319
92.0
0.032
0.040
52.0
7.0
PT12320
188.0
0.048
0.040
98.0
6.0
PT12321
315.0
0.068
0.040
175.0
6.0
PT12322
570.0
0.095
0.040
335.0
6.0
PT12323
325.0
0.200
0.051
280.0
3.5
PT12324
1000.0
1
0.130
0.036
470.0
3.5
W
D
2
1
L
H
INCHES .XXX±.010
MILLIMETERS .XX±.25
.015 Min
.38
.200 Min
5.08
3
Open
No internal connection
2
C
SCHEMATIC
Notes:
1.
2.
For non-RoHS parts, replace PT prefix with 42- (e.g. PT12310 becomes 42-12310).
Terminal finish is compliant to RoHS requirements
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All specifications are subject to change without notice.
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