306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962

wwww.jwmiller.com

17.3

Conformal Coated RF Chokes

78F Series

Part

Number

L (µH)

±20%

Q

Min.

Test

Freq.

(MHz)

SRF

(MHz)

Min.

DCR

Ω

Max.

I, DC*

(mA)

78FR033M

0.033

50

50

400

0.02

500

78FR10M

0.10

40

25

400

0.06

500

78FR12M

0.12

40

25

400

0.06

500

78FR15M

0.15

40

25

400

0.07

500

78FR18M

0.18

40

25

400

0.08

450

±10%

78FR22K

0.22

40

25

380

0.08

1025

78FR27K

0.27

40

25

360

0.08

950

78FR33K

0.33

40

25

350

0.08

815

78FR39K

0.39

40

25

320

0.09

700

78FR47K

0.47

40

25

330

0.10

650

78FR56K

0.56

40

25

280

0.11

545

78FR68K

0.68

40

25

250

0.12

495

78FR82K

0.82

40

25

200

0.12

415

78F1R0K

1.0

40

25

180

0.15

385

78F1R2K

1.2

40

7.9

165

0.18

590

78F1R5K

1.5

45

7.9

150

0.20

535

78F1R8K

1.8

50

7.9

125

0.25

455

78F2R2K

2.2

50

7.9

110

0.28

395

78F2R7K

2.7

50

7.9

95

0.30

355

±5%

78F3R3J

3.3

50

7.9

70

0.34

270

78F3R9J

3.9

45

7.9

65

0.32

250

78F4R7J

4.7

45

7.9

50

0.35

230

78F5R6J

5.6

45

7.9

40

0.40

185

78F6R8J

6.8

40

7.9

30

0.45

175

78F8R2J

8.2

40

7.9

28

0.55

155

78F100J

10

40

7.9

22

0.72

130

78F120J

12

45

2.5

20

0.80

155

78F150J

15

50

2.5

16

0.88

150

78F180J

18

50

2.5

15

1.00

145

78F220J

22

50

2.5

13

1.20

140

78F270J

27

50

2.5

11

1.35

135

78F330J

33

50

2.5

10

1.50

195

78F390J

39

50

2.5

9.5

1.70

185

78F470J

47

60

2.5

8.5

2.30

167

78F560J

56

60

2.5

7.5

2.60

150

78F680J

68

60

2.5

6.5

2.90

137

78F820J

82

60

2.5

6.0

3.20

132

78F101J

100

60

2.5

5.5

3.50

125

78F121J

120

60

0.79

5.4

3.80

100

78F151J

150

60

0.79

4.7

4.40

90

78F181J

180

60

0.79

4.3

5.00

84

78F221J

220

60

0.79

4.0

5.70

76

78F271J

270

60

0.79

3.7

6.50

70

78F331J

330

60

0.79

3.4

9.50

65

78F391J

390

60

0.79

2.8

10.5

60

78F471J

470

60

0.79

2.5

11.6

53

78F561J

560

60

0.79

2.3

13.0

51

78F681J

680

60

0.79

2.0

18.0

45

78F821J

820

60

0.79

1.5

23.0

43

78F102J

1000

60

0.79

1.2

26.0

41

Special Features

• High Q & self resonant frequency

• Low DCR

• Ferrite bobbin core

• Epoxy coated to protect winding form

harsh environments

• Low cost

• Color bands identification (Per EIA Standard)

• Dielectric strength 500Vrms

• Operating temperature –55 - +105°C

Notes

* Current to cause 35°C maximum

temperature rise

Also available as RoHS compliant.

1.0

Min.

0.020

0.28

Max.

0.11 Max.

Dimensions: Inches