Features
I
Low cost, high quality
I
Excellent temperature stability
I
High currents
I
E12 series 100 µH to 33mH
I
Open construction
I
Available with 3M tape (#56) for outer
covering (standard version) or heat
shrink tube (“S” version)
Applications
I
Telecommunications
PT121 Series - Radial High Q Inductors
Electrical Specifications (@ 25 °C)
Part
Number
Inductance
Typical (1)
mH ±10 %
Q
(ref.)
Measure
frequency
Q and
Inductance
kHz
Self
Resonant
frequency
MHz min. (2)
DCR
Ω
(max.)
Rated
I DC
mA (max.)
Solder Joint
Product Dimensions
PT121 Series
8.00
MAX.
(0.314)
PT12110
PT12111
PT12112
PT12113
PT12114
PT12115
PT12116
PT12117
PT12118
PT12119
PT12120
PT12121
PT12122
PT12123
PT12124
PT12125
PT12126
PT12127
PT12128
PT12129
PT12130
PT12131
PT12132
PT12133
PT12134
PT12135
PT12136
PT12137
PT12138
PT12139
PT12140
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.60
0.82
1.00
1.20
1.50
1.80
2.20
2.70
3.30
3.90
4.70
5.60
6.80
8.20
10.00
12.00
15.00
18.00
22.00
27.00
33.00
80
80
80
80
80
80
80
80
80
80
80
80
90
90
90
90
90
90
90
90
90
90
90
90
100
100
100
100
100
100
100
796.0
796.0
796.0
796.0
796.0
796.0
796.0
796.0
796.0
796.0
796.0
796.0
252.0
252.0
252.0
252.0
252.0
252.0
252.0
252.0
252.0
252.0
252.0
252.0
79.6
79.6
79.6
79.6
79.6
79.6
79.6
5.30
4.50
3.80
3.30
2.90
2.60
2.30
2.10
1.90
1.70
1.60
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.70
0.60
0.60
0.50
0.50
0.40
0.40
0.40
0.30
0.30
0.30
0.30
2.0
2.0
2.0
3.0
3.0
3.0
4.0
4.0
4.0
4.0
4.0
6.0
6.0
9.0
9.0
9.0
13.0
13.0
13.0
13.0
18.0
18.0
26.0
26.0
40.0
40.0
60.0
60.0
80.0
80.0
80.0
200
200
200
200
200
200
200
200
200
200
200
200
150
150
150
100
100
100
100
50
50
50
50
50
40
40
40
30
30
30
30
12.70
MAX.
(0.50)
MAX.
1.52
(0.060)
DIA.
0.70
(0.027)
5.00
(0.197)
5.00
(.197)
PT121S Series
Heat Shrink
Tube Coated
10.15
MAX.
(0.40)
12.70
MAX.
(0.50)
DIA.
0.70
(0.027)
5.00
(0.197)
5.00
(.197)
Recommended PCB Layout
0.90
±
0.1
DIA.
(0.035
±
0.004)
NOTE:
(1) Version J: Inductance Value ±5 % is also available. Please add ’J’ to above part number if Inductance
Value ±5 % is required (i.e. PT12110J)
(2) Measurements are made at 25 °C using HP4277A LCZ Meter Self Resonant Frequency is for reference
only.
Full encapsulated units with Epoxy Resin are also available. Please consult factory for details.
“S” Version uses heat shrink tube for outer cover. Diameter and height are slightly higher than standard
version. (See product dimensions.)
5.00
±
0.1
(0.197
±
0.004)
RECOMMENDED
PCB LAYOUT
DIMENSIONS:
MM
(INCHES)
TOLERANCE: ±
0.25
(0.010)
Electrical Schematic
1
2
REV. 11/03
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Schematic
Analog electronics
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