Tunables and Transformers
ST Series Data Sheet

 

Piconics ST Series is a rectangular top tunable inductor for dense packaging. It has an internal adjusting screw which functions within the dimensions of the package. The product features a high temperature epoxy case and a complete range of values from 20 nH to 1 mH. The ST series is listed in the qualified Products List. (QPL) 15305 under the identifier MS 53229 and MS 53230.

FEATURES:

  • Top Tunable
  • PC Board Mountable
  • Headless, Self-Locking Adjustment Screw
  • High Reliability
  • High Packing Density
  • Style Military LTI1:
    • Grade 2
    • Class A

ABSOLUTE MAXIMUM RATINGS:

  • Storage temperature: -55° C to 125° C.
  • Dielectric withstanding voltages: Sea Level 1,000V rms min 70,000 feet 300V rms min
  • Operating temperature: -55° C to +125° C.
  • Power dissipation: 200 mW max.

PHYSICAL CHARACTERISTICS:

  • Terminal pull: 2 lbs. min
  • Tuning Torque: .005-.15 in.oz
  • Case: Epoxy
  • Stop Torque: .15in.oz. max
  • Weight: .200 gram max.

NOTES:

  • To tune coil, we recommend a jeweler's screwdriver with a .40" blade.

 

Part number
Lmax uH
Lmin uH
QMin at Lmax
Test Freq Mhz
SRF min MHZ
DCR Max Ohms
Idc Max mA
ST250-8I
.025
.020
50
200
1000
.04
250
ST510-8I
.051
.036
40
100
700
.05
250
ST760-8I
.076
.055
40
100
615
.15
250
ST101-8I
.10
.075
30
25
500
.50
250
ST151-8I
.15
.11
30
25
420
.50
200
ST221-8I
.22
.16
30
25
400
.60
180
ST271-8I
.27
.20
30
25
400
.80
180
ST331-8I
.33
.24
30
25
320
.90
140
ST471-8I
.47
.34
30
25
290
1.0
100
ST561-8I
.56
.40
30
25
250
1.0
100
ST681-8I
.68
.50
30
25
240
1.3
100
ST821-8I
.82
.59
30
25
180
1.4
100
ST102-6I
1.0
.67
25
7.9
140
1.5
100
ST152-6I
1.5
1.0
25
7.9
135
1.6
100
ST222-6I
2.2
1.5
25
7.9
100
2.1
80
ST272-6I
2.7
2.0
25
7.9
60
2.4
75
ST332-6I
3.3
2.2
25
7.9
55
2.7
65
ST472-6I
4.7
3.2
25
7.9
50
3.3
60
ST582-6I
5.8
3.9
25
7.9
36
4.2
58
ST682-6I
6.8
4.6
25
7.9
34
4.5
55
ST822-6I
8.2
5.5
25
7.9
32
4.5
50
ST103-3F
10
6.0
22
2.5
30
4.5
50
ST133-3F
13
6.5
22
2.5
28
4.5
50
ST163-3F
16
8.0
22
2.5
26
5.1
50
ST203-3F
20
10
22
2.5
20
5.3
43
ST223-3F
22
11
22
2.5
14
6.0
43
ST303-3F
30
15
22
2.5
10
6.8
40
ST363-3F
36
18
22
2.5
9.0
7.5
40
ST473-3F
47
24
22
2.5
6.5
8.6
35
ST563-3F
56
28
22
2.5
6.3
10.6
35
ST683-3F
68
34
22
2.5
6.2
12.0
30
ST863-3F
86
43
22
2.5
5.6
15.0
28
ST104-3F
100
50
20
.79
5.4
18.0
27
ST124-3F
120
60
20
.79
4.4
21.0
25
ST474-3F
470
240
20
.79
2.1
45.0
16
ST684-1F
680
340
20
.79
2.0
53.0
15
ST105-1F
1000
500
18
.25
1.1
113.0
11

 

 
 

©2005 Piconics, Inc. - Tyngsboro, MA - USA