Technical data sheet for Schurter DFK suppression chokes, including ratings, approvals, and impedance curves.
This document details the technical specifications of Schurter's DFK series suppression chokes, designed for 1- and 3-phase applications. Key features include rated voltages up to 440 VAC, current ratings from 0.5 to 15 A, and inductance values from 1 to 20 mH. The chokes are available with THT or wire leads and are suitable for EMC applications. Compliance with international standards such as UL, CE, RoHS, and REACH is documented. Impedance curves for various models are provided for reference.
| Rated Voltage | up to 440 VAC |
|---|---|
| Rated Current | 0.5 - 15 A @ Ta 40 °C |
| Rated Inductance | 1 - 20 mH, Tol. -30% +50% |
| Operating Frequency | 50 - 400 Hz |
| Terminal Type | THT, Flexible wire |
| Weight | 6 - 163 g |
| Material | UL 94V-0 |
| Test Voltage | 1.8 kV, 50 Hz, 1 min, winding to winding |
| Isolation Voltage | 2 kV eff., winding to ambient |
| Allowable Operation Temp. | -25 °C to 100 °C |
Rated voltage up to 440 VAC and rated current 0.5 - 15 A @ Ta 40 °C.
The materials used are UL 94V-0.
The operating frequency range is 50 - 400 Hz.