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"SLOT TEN" Tunable Inductors

This product will not be available in an RoHS-compliant version. Solder and certain cores contain lead.
  • Versatile inductors operate over a wide frequency range
  • Standard values from less than 1 µH to over 1 mH
  • Precision molded slotted bobbins ensure tight tolerance and high stability
  • Variety of magnetic and electrostatic shielding options
  • Powdered iron tuning cores with hex hole for easy, positive adjustment
  • Tune with our handy 3-in-1 "TriTuner" tuning wrench
  • Samples of 18 shielded and 18 unshielded values are available in Coilcraft Designer's Kit M100
Buy Now:
Count Unit price
1 $2.44
100 $1.77
250 $1.38
500 $0.87
1000 $0.66
2500 $0.43
5000 $0.39

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
Request a Sample:
Designer's Kit:
Kit Values Price
M100 36 (3 of each) $60.00

Selection Guide

Coilcraft "SLOT TEN" coils come in five different styles. Consult this table for inductance range, relative Q and shielding options of each style. Then use the appropriate chart to pick a specific part number.

Style L (µH) Electrostatic
shield
Magnetic
shield
Recommended
frequency
Tuning
core
Relative Q Relative
cost
1  0.8 - 624 No No Higher Iron Hi Low
2  0.8 - 927 No No | Ferrite Hi Low
3  0.7 - 450 Yes No | Iron Low Med
4  0.8 - 624 Yes Iron | Iron Med High
5  0.9 - 1143 Yes Ferrite Lower Ferrite Med High

Specifications

Electrical specifications at 25°C.

STYLE 1 – Unshielded With Carbonyl E Core

Part number Color Inductance (µH) Test frequency
(MHz)
Q min
at L nom
min nom max
SLOT TEN-1-01 Brown 0.80 1.0 1.2 7.9 48
SLOT TEN-1-02 Red 1.2 1.5 1.8 7.9 50
SLOT TEN-1-03 Orange 1.8 2.2 2.6 7.9 56
SLOT TEN-1-04 Yellow 2.6 3.2 3.8 7.9 54
SLOT TEN-1-05 Green 3.6 4.5 5.4 7.9 54
SLOT TEN-1-06 Blue 5.2 6.5 7.8 7.9 51
SLOT TEN-1-07 Violet 7.6 9.5 11 7.9 48
SLOT TEN-1-08 Gray 11 14 17 2.5 38
SLOT TEN-1-09 White 16 20 24 2.5 38
SLOT TEN-1-10 Black* 22 28 34 2.5 38
SLOT TEN-1-11 Brown* 32 40 48 2.5 38
SLOT TEN-1-12 Red* 46 58 70 2.5 47
SLOT TEN-1-13 Orange* 67 84 100 2.5 48
SLOT TEN-1-14 Yellow* 96 120 144 0.79 40
SLOT TEN-1-15 Green* 138 172 206 0.79 34
SLOT TEN-1-16 Blue* 200 250 300 0.79 39
SLOT TEN-1-17 Violet* 280 360 432 0.79 30
SLOT TEN-1-18 Gray* 416 520 624 0.79 35

STYLE 2 – Unshielded With Ferrite Core

Part number Color Inductance (µH) Test frequency
(MHz)
Q min
at L nom
min nom max
SLOT TEN-2-01 Brown 0.80 1.2 1.7 7.9 47
SLOT TEN-2-02 Red 1.3 2.0 2.8 7.9 48
SLOT TEN-2-03 Orange 1.8 2.9 4.0 7.9 48
SLOT TEN-2-04 Yellow 2.4 3.9 5.4 7.9 47
SLOT TEN-2-05 Green 3.5 5.6 7.8 7.9 47
SLOT TEN-2-06 Blue 4.7 7.6 11 7.9 46
SLOT TEN-2-07 Violet 7.4 12 16 2.5 38
SLOT TEN-2-08 Gray 11 18 25 2.5 40
SLOT TEN-2-09 White 16 25 35 2.5 40
SLOT TEN-2-10 Black* 22 37 50 2.5 40
SLOT TEN-2-11 Brown* 33 53 72 2.5 39
SLOT TEN-2-12 Red* 46 75 103 2.5 51
SLOT TEN-2-13 Orange* 66 100 136 0.79 40
SLOT TEN-2-14 Yellow* 95 146 198 0.79 44
SLOT TEN-2-15 Green* 136 216 297 0.79 40
SLOT TEN-2-16 Blue* 198 312 426 0.79 45
SLOT TEN-2-17 Violet* 286 530 630 0.79 33
SLOT TEN-2-18 Gray* 418 790 927 0.79 38

STYLE 3 – Shielded With Carbonyl E Core and Plastic Sleeve

Part number Color Inductance (µH) Test frequency
(MHz)
Q min
at L nom
min nom max
SLOT TEN-3-01 Brown 0.70 0.82 0.94 7.9 65
SLOT TEN-3-02 Red 1.1 1.2 1.4 7.9 37
SLOT TEN-3-03 Orange 1.5 1.8 2.0 7.9 40
SLOT TEN-3-04 Yellow 2.0 2.4 2.8 7.9 40
SLOT TEN-3-05 Green 2.9 3.4 3.9 7.9 39
SLOT TEN-3-06 Blue 4.3 5.0 5.8 7.9 38
SLOT TEN-3-07 Violet 6.0 7.1 8.2 7.9 35
SLOT TEN-3-08 Gray 9.4 11 13 2.5 25
SLOT TEN-3-09 White 13 15 17 2.5 25
SLOT TEN-3-10 Black* 19 22 25 2.5 26
SLOT TEN-3-11 Brown* 26 31 36 2.5 25
SLOT TEN-3-12 Red* 37 44 51 2.5 29
SLOT TEN-3-13 Orange* 53 62 71 2.5 30
SLOT TEN-3-14 Yellow* 79 92 105 2.5 28
SLOT TEN-3-15 Green* 109 128 147 0.79 18
SLOT TEN-3-16 Blue* 155 182 208 0.79 20
SLOT TEN-3-17 Violet* 230 270 310 0.79 16
SLOT TEN-3-18 Gray* 336 390 450 0.79 18

STYLE 4 – Shielded With Carbonyl E Core and Sleeve

Part number Color Inductance (µH) Test frequency
(MHz)
Q min
at L nom
min nom max
SLOT TEN-4-01 Brown 0.80 1.0 1.2 7.9 44
SLOT TEN-4-02 Red 1.2 1.5 1.8 7.9 45
SLOT TEN-4-03 Orange 1.8 2.2 2.6 7.9 48
SLOT TEN-4-04 Yellow 2.6 3.2 3.8 7.9 48
SLOT TEN-4-05 Green 3.6 4.5 5.4 7.9 46
SLOT TEN-4-06 Blue 5.2 6.5 7.8 7.9 43
SLOT TEN-4-07 Violet 7.6 9.5 11 7.9 40
SLOT TEN-4-08 Gray 11 14 17 2.5 32
SLOT TEN-4-09 White 16 20 24 2.5 33
SLOT TEN-4-10 Black* 22 28 34 2.5 32
SLOT TEN-4-11 Brown* 32 40 48 2.5 32
SLOT TEN-4-12 Red* 46 58 70 2.5 40
SLOT TEN-4-13 Orange* 67 85 101 2.5 40
SLOT TEN-4-14 Yellow* 96 120 144 0.79 33
SLOT TEN-4-15 Green* 138 172 206 0.79 28
SLOT TEN-4-16 Blue* 200 250 300 0.79 32
SLOT TEN-4-17 Violet* 288 360 432 0.79 26
SLOT TEN-4-18 Gray* 416 520 624 0.79 29

STYLE 5 – Shielded With Ferrite Core and Sleeve

Part number Color Inductance (µH) Test frequency
(MHz)
Q min
at L nom
min nom max
SLOT TEN-5-01 Brown 0.86 1.4 2.0 7.9 43
SLOT TEN-5-02 Red 1.3 2.3 3.3 7.9 44
SLOT TEN-5-03 Orange 1.8 3.3 4.6 7.9 41
SLOT TEN-5-04 Yellow 2.5 4.5 6.4 7.9 40
SLOT TEN-5-05 Green 3.6 6.5 9.3 7.9 40
SLOT TEN-5-06 Blue 5.0 8.8 13 7.9 38
SLOT TEN-5-07 Violet 7.7 13 18 2.5 30
SLOT TEN-5-08 Gray 12 21 30 2.5 35
SLOT TEN-5-09 White 16 29 42 2.5 34
SLOT TEN-5-10 Black* 25 42 60 2.5 32
SLOT TEN-5-11 Brown* 36 63 90 2.5 30
SLOT TEN-5-12 Red* 48 87 126 2.5 42
SLOT TEN-5-13 Orange* 72 116 163 0.79 35
SLOT TEN-5-14 Yellow* 102 168 238 0.79 36
SLOT TEN-5-15 Green* 147 252 360 0.79 36
SLOT TEN-5-16 Blue* 215 312 522 0.79 45
SLOT TEN-5-17 Violet* 303 530 765 0.79 33
SLOT TEN-5-18 Gray* 440 790 1143 0.79 38
Notes
  • All readings taken on Agilent/HP 4342-A Q meter.
  • L min is achieved at maximum extension of the core toward PC board. Complete tuning range is reached within the boundaries of the coil form.
  • All specifications are at standard Q meter frequencies. L and Q readings change with frequency.
  • Unshielded parts are coated with lacquer to protect the winding.
  • Shielded parts have a sleeve insert to protect the winding.
* Coils 10 thru 18 have a brown dot on bottom of coil base

Termination:

  • Pins: Tin-lead over tin over copper over iron
  • Shield can tabs: Tin-silver over nickel over brass
Environmental
Ambient temperature range:
−40°C to +85°C

Schematics

slot7s.gif

Physical characteristics

Unshielded (Styles 1 and 2)

slot10ud.gif
 

With Shielded Cans (Styles 3, 4 and 5)

slot10sd.gif
dims_inches_mm.gif

Soldering/Washing

Resistance to soldering heat:
Wave solder only. Recommended maximum board surface temperature of 168°C (334°F) for no more than three seconds. Pre-heating is recommended to minimize time over the solder nozzle.
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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