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6/29/2019 EMI/RFI Chokes (1539 Series) - Hammond Mfg.
https://www.hammfg.com/electronics/transformers/choke/1539 1/2
EMI/RFI Chokes 1539 Series
Features
High saturation flux density ferrite bobbins.
1" long leads, tinned to within 1/8" of body.
Ideal for filtering or energy storage inductors.
Inductance measured at @ 1Khz. with 0 amps. D.C. current, typical inductance change is
less than 5% @ twice rated current.
Part No.
Inductance L Fo Min R - D.C. Max I - D.C. Max Maximum Maximum Typ. Typ.
uH +/- 10% MHz Ohms Amps Dim. A Dim. B Dim. C Dim. D
1539M01 5 24.7 0.007 15 0.83 0.91 0.59 0.07
1539M02 10 11.4 0.008 14 0.83 0.91 0.60 0.07
1539M03 25 6.2 0.023 8 0.83 0.91 0.57 0.04
1539M04 50 4.1 0.034 6.6 0.83 0.91 0.65 0.04
1539M05 100 2.4 0.072 4.5 0.83 0.91 0.69 0.04
1539M06 250 1.6 0.173 2.9 0.83 0.91 0.65 0.04
1539M07 500 1 0.378 2 0.83 0.91 0.68 0.04
1539M08 1000 0.7 0.801 1.3 0.83 0.91 0.66 0.04
1539M09 2500 0.43 2.04 0.85 0.83 0.91 0.71 0.04
1539M10 5 26.7 0.005 20 1.22 1.11 0.94 0.08
1539M11 10 15.6 0.006 17 1.22 1.11 0.95 0.08
1539M12 25 5.2 0.009 14 1.22 1.11 0.93 0.08
1539M13 50 3.6 0.017 10 1.22 1.11 0.99 0.07
1539M14 100 2.2 0.034 7 1.22 1.11 0.85 0.05
1539M15 250 1.2 0.083 4.6 1.22 1.11 0.97 0.05
1539M16 500 0.89 0.129 3.7 1.22 1.11 1.12 0.05
1539M17 1000 0.58 0.279 2.5 1.22 1.11 1.05 0.05
1539M18 2500 0.35 0.69 1.6 1.22 1.11 1.05 0.05
1539M19 50 3.4 0.012 14 1.50 1.11 1.23 0.08
Quality Products. Service Excellence.

6/29/2019 EMI/RFI Chokes (1539 Series) - Hammond Mfg.

https://www.hammfg.com/electronics/transformers/choke/1539 2/2

Data subject to change without notice

Part No.

Inductance L Fo Min R - D.C. Max I - D.C. Max Maximum Maximum Typ. Typ.

uH +/- 10% MHz Ohms Amps Dim. A Dim. B Dim. C Dim. D

1539M20 100 2 0.025 9.8 1.50 1.11 1.12 0.07

1539M21 250 1.3 0.059 6.4 1.50 1.11 1.10 0.05

1539M22 500 0.9 0.09 5 1.50 1.11 1.14 0.05

1539M23 1000 0.54 0.195 3.5 1.50 1.11 1.36 0.05

1539M24 2500 0.34 0.499 2.2 1.50 1.11 1.32 0.05

1539M25 5000 0.24 1.08 1.5 1.50 1.11 1.27 0.05

1539M26 100 1.8 0.018 14 1.50 1.50 1.18 0.08

1539M27 250 1 0.04 9 1.50 1.50 1.12 0.07

1539M28 500 0.7 0.085 6.5 1.50 1.50 1.06 0.05

1539M29 1000 0.44 0.183 4.4 1.50 1.50 1.23 0.05

1539M30 2500 0.26 0.464 2.8 1.50 1.50 1.21 0.05

1539M31 5000 0.19 0.714 2.2 1.50 1.50 1.32 0.05

1539M32 10000 0.13 1.55 1.5 1.50 1.50 1.25 0.05