21 linear chokes case 48-1 typical curves application dlh and dlnp series, vertical housing nominal current: 0.6 - 7 a @ j j j j j a 70c nominal inductance: 20 - 5500 h /tol. 15% max. working voltage: 600 vdc application range: up to 20 khz isolation voltage: 2 kv eff. / wdg.-ambient climatic category: 40/125/21 acc. to iec 60068-1 plastic case: ul 94 v-0 potting resin: ul 94 v-0 all types of chokes correspond to the international specifications for radio interference chokes (en 138100). this range of chokes enables vertical mounting, thus reducing the area of the pc board used. finest quality core materials allow the highest electrical performance with minimum component volume. good design with easy assembly allows good cost/performance ra- tio. this type of choke is essential in the field of power electronics, e.g. switching power supplies, chopper amplifiers, dc drives and stepper motor controls. dlh linear chokes are mainly used as smoothing or rfi sup- dlnp pression circuits. environmental rating: the dlh and dlnp chokes can only be used with direct current or with low frequency alternating current (max. 400 hz) and up to max. 1.1 i n . they operate only as attenuation devices for hf-interference with reduced amplitute ( d i << i n ) up to the range of their self-reso- nance ( ~ f res ). smd-version upon request. technical data also available in open version (dlo1). mountings for chokes in open version see page 23. type i n (1) l n (2) r cu (3) ~ f res case [a] [h] [m w ] [mhz] dlnp-6148-d6d1 0.6 100 600 9 48-1 dlnp-6148-01c5 1.0 50 280 15 48-1 dlh1-14-0.6-500/a 0.6 500 750 1.6 01-1 dlh1-14-1.0-200/a 1.0 200 220 6 01-1 dlh1-14-2.0-50/a 2.0 50 50 9 01-1 dlh1-22-0.45-5000/a 0.45 5000 2600 0.2 09-1 dlh1-22-0.6-3000/a 0.6 3000 1550 0.3 09-1 dlh1-22-1.5-500/a 1.5 500 280 1 09-1 dlh1-22-1.8-300/a 1.8 300 180 1.5 09-1 dlh1-22-3.0-100/a 3.0 100 70 4 09-1 dlh1-22-4.5-50/a 4.5 50 30 6 09-1 dlh1-22-7.0-20/a 7.0 20 12 15 09-1 dlh1-31-0.6-5500/a 0.6 5500 3600 0.2 19-1 dlh1-31-1.6-800/a 1.6 800 470 1.5 19-1 dlh1-31-2.5-300/a 2.5 300 160 3 19-1 dlh1-31-4.0-130/a 4.0 130 53 6 19-1 dlh1-31-6.3-50/a 6.3 50 23 9.5 19-1 case 01-1 09-1 19-1 (1) @ j a 70c; current derating over 70c: i = i n x (125- j a)/55 (2) nominal inductance measured according to en 138100, see introduction of this catalog, paragraph 3.4 (3) resistance @ j a 25c
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