TYPICAL APPLICATIONS

Detection Range (*)

L1 (

µH)

C1 (pF)

(kHz)

R1

(k

Ω)

C2

pF

2mm

30

(1)

120

2650

6.8

47

5mm

300

(2)

470

425

27

470

10mm

2160

(3)

4700

50

27

3300

(*) Ingot steel target

COIL CHARACTERISTICS

Core

Coil Former

Wire**

Number of Turns

1

Cofelec

432 FP 9 x 5 SE

1/2

CAR 091 - 2

THOMSON Fils et Câbles

Thomrex 14

(14/100mm)

40

2

Cofelec

432 FP 14 x 8 SE

1/2

CAR 142 - 2

THOMSON Fils et Câbles

Thomrex 14

(14/100mm)

100

3

Cofelec

432 FP 26 x 16 SE

1/2

CAR 262 - 2

THOMSON Fils et Câbles

Thomrex 14

(14/100mm)

200

** The above results are obtained with single wire coil. When using Litz wire instead of single wire, the parallel resistance of the coil

be-

comes higher and the value of R1 may be increased, resulting in better sensitivity.

TDA0161

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