DATA  SHEET
PCB FiltersFN405
PCB-mounting filter
25. Apr 2024
01. Sep 2001
PCB Filters
  • Rated currents from 0.5 to 10 A
  • Compact PCB-mountable design
  • Low profile

Performance indicators

Technical Specifications

Maximum continuous operating voltage

250 VAC, 50/60 Hz

Nominal operating voltage

230 VAC

Rated currents

0.5 to 10 A @ 40°C

Operating frequency

DC to 400 Hz

High potential test voltage

P –> PE 2000 VAC for 2 sec
P –> N 760 VAC for 2 sec

Temperature range (operation and storage)

-25°C to +100°C (25/100/21)

Flammability corresponding to

UL 94 V-0

Design corresponding to

UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939

MTBF (Mil-HB-217F)

>1,600,000 h @ 40°C/230 V

Approvals & Compliances

The FN 405 PCB filter is a single-phase filter designed for easy and fast PCB-mounting. Choosing the FN 405 product line brings you the rapid availability of a standard filter associated with the necessary safety acceptance. Standard PCB single-phase filters are a practical solution helping you to pass EMI system approval in a short time. A selection on amperage ratings are designed to offer you the desired standard product.

Features and Benefits

  • Good conducted attenuation performance, based on chokes with high saturation resistance and excellent thermal behavior
  • PCB through hole mounting
  • Low profile
  • Custom specific versions on request

Typical Applications

  • Electrical and electronic equipment
  • Small to medium-sized machines and household equipment
  • Single-phase power supplies, switch-mode power supplies
  • Test and measurement equipment

Typical electrical schematic

Filter selection table

Filter Rated current Leakage current* Inductance** Capacitance** Resistance Input/Output Weight
  @ 40°C (25°C) @ 230 VAC/50 Hz L Cx Cy R connections  
  [A] [μA] [mH] [nF] [nF]   [g]
FN 405-0.5-02 0.5 (0.6) 373 24 15 2.2   -02 40
FN 405-1-02 1 (1.2) 373 10 15 2.2   -02 40
FN 405-3-02 3 (3.6) 373 2 15 2.2   -02 40
FN 405-6-02 6 (6.9) 373 0.8 15 2.2   -02 40
FN 405-10-02 10 (11.5) 373 0.5 15 2.2   -02 40

** Maximum leakage under normal operating conditions. Note: if the neutral line is interrupted, worst case leakage could reach twice this level.
** Tolerances apply: Inductance: -30/+50%, Capacitance: ±20%, Resistance: ±10%

Product selector

For example: FN 405-0.5-02, FN 405-10-02

Typical filter attenuation

Per CISPR 17; A=50 Ω/50 Ω sym; B=50 Ω/50 Ω asym; C=0.1 Ω/100 Ω sym; D=100 Ω/0.1 Ω sym

0.5 and 1 A types

3 and 6 A types

10 A types

Mechanical data

FN 405

All dimensions in mm; 1 inch = 25.4 mm
Tolerances according: ISO 2768-m/EN 22768-m

Please visit www.schaffner.com to find more details on filter connectors.

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