3

© KEMET Electronics Corporation • One East Broward Boulevard

SE0227_FG-R14 • 1/27/2025

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

Current Sensors – Fluxgate-Based Residual Current Sensor, FG-R04 Series

PCB Footprint - Top View

8- 4.6 / 3.1

(PAD) / (TH)

P1.8×5=9.0

6- 1.4 / 0.9

（PAD) / (TH)

22.0

2-1.2

(HOLE)

7.0

3.8

（HOLE)

15.5

0

10.8

21.6

32.4

1

6

7

14

Component side

1.4

5.6

14

7

6

1

Solder side

Output Characteristics

Switching Operation

t

Idn(DC)

or

Idn(AC)

t

Recovery

Level

High

Z

DC Alarm

or

AC Alarm

Input Current

When the residual current exceeds the threshold level (ldn(DC) or ldn(AC)), PIN 4 (DC Alarm) or PIN 5 (AC Alarm) will change from low level to high

impedance. Each output goes back from high impedance to low level when residual current falls below recovery level.