f1750 vishay roederstein www.vishay.com to contact us: rfi@vishay.com document number 27501 118 revision 31-jul-02 suppression inductors, vhf inductors resonance impedance rated minimum approx. dimensional ordering frequency at current* inductance dc-resistance drawing code f r (mhz) f r z ( ? ) (amps) ( h) (m ? ) 0.8 7.0 14 1 f1750-017-110 0.8 7.0 14 3 f1750-017-111 2.5 2.25 13 2 f1750-003-013 2.5 2.25 15 4 f1750-003-015 2.5 7.0 14 1 f1750-007-112 2.5 7.0 14 3 f1750-007-118 3.0 26.0 20 1 f1750-026-112 3.0 26.0 20 3 f1750-026-118 10.0 2.5 6 1 f1750-012-112 10.0 2.5 6 3 F1750-012-113 see diagram above 15 +5 15 +5 25 +10 25 +10 13 max. 5.5 40 +10 10 6.5 0.5 40 +10 40 +10 10 6 0.5 25 + 10 20 max. 6 max. 12 15 +5 15 +5 25 + 10 20 max. 40 +10 *for ambient temperature of > 40 c the allowed current decreases in ratio to the rated current. see diagram on page 111 (document number 27502). impedance (z) as a function of frequency (f) at t a = 20 c (average). 10000 7 5 3 2 10 20 30 40 50 70 100 120 150 200 300 f [mhz] z [ ? ] 1000 7 5 3 2 100 f 1750-026-112/118 f 1750-017-110/111 f 1750-007-112/118 f 1750-003-113/015 f 1750-012-112/113 4 3 reference standards: vde 0565 part 2 en 60068-1 core material: ferrite winding: enamelled copper wire (cul) or copper wire tinned terminals: on both sides, ends tinned temperature: - 25 c to + 100 c climatic testing class acc. to en 60068-1: 25/110/21 2 1
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