FOUR SLOT BOBBINS

Dimensions ( Bold numbers represent inches, normal numbers represent millimeters.)

Part Number

Mat'l

Dimensions

AL

(nH / N2)

NI

(At)

A

B

C

D

E

F

G

84-8342

PF-12

0.551

0.354

0.795

0.492

0.187

0.126

0.087

53

340

14.00

8.99

20.20

12.50

4.75

3.20

2.21

84-8470

PF-12

0.709

0.435

0.795

0.492

0.187

0.126

0.100

67.5

415

18.01

11.05

20.20

12.50

4.75

3.20

2.54

84-8375

PF-12

0.709

0.435

0.795

0.492

0.187

0.160

0.100

66.5

400

18.01

11.05

20.20

12.50

4.75

4.06

2.54

84-8383

PF-12

0.709

0.435

0.866

0.570

0.187

0.126

0.100

70

420

18.01

11.05

22.00

14.48

4.75

3.20

2.54

84-8472

PF-12

0.949

0.515

0.795

0.492

0.187

.0126

0.118

86

435

24.10

13.08

20.20

12.50

4.75

3.20

3.00

84-8471

PF-12

0.949

0.515

0.946

0.650

0.187

0.126

0.118

83.5

450

24.10

13.08

24.03

16.51

4.75

3.20

3.00

84-8474

PF-12

1.100

0.665

0.805

0.492

0.237

0.175

0.108

98

480

27.94

16.89

20.30

12.50

6.02

4.45

2.74

84-8473

PF-12

1.100

0.665

1.010

0.690

0.237

0.175

0.108

110

530

27.94

16.89

25.65

17.53

6.02

4.45

2.74

84-8670

PF-12

1.390

0.815

1.010

0.730

0.315

0.190

0.142

120

570

35.30

20.70

25.65

18.54

8.00

4.80

3.60

84-8697

PF-12

1.390

0.815

1.380

1.100

0.315

0.190

0.142

132

710

35.30

20.70

35.00

28.00

8.00

4.80

3.60

84-8766

PF-12

1.770

1.060

1.380

1.025

0.360

0.270

0.170

142.5

760

45.00

27.00

35.00

26.10

9.14

6.36

4.32

84-8839

PF-12

2.200

1.300

1.380

0.990

0.380

0.290

0.170

211

910

55.00

33.10

35.00

25.70

9.60

7.36

4.32

Variations from these specifications are available upon request.

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E-mail at PERMACOR@AOL.com

Call PERMACOR®, Inc., at (708) 422-3353 or FAX at (708) 422-9637

NOTES:
Value of NI bias dc for a 10% maximum drop of AL.
Epoxy coated finish for high dielectric available
upon request.
Bobbin components can be purchased as
unassembled parts.
Molded dimensions ± .015 .709
± .030 > .709
± .060 >1 .500
Assembled dimensions ± .030 > .709
± .060 > 1.390