FG-R05-3A Datasheet by KEMET

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Overview
The FG sensor is a high-sensitivity AC and DC leakage
current sensor with individual open drain alarms and an
analog output for leakage current indication. In addition,
its integrated test coil can be initiated by a test input to
perform a functional alarm test.
Applications
Typical applications include residual current sensor for
In-Cable Control and Protection Devices (IC-CPD) or Wallbox.
Current Sensors
FG, Fluxgate-Based Residual Current Sensor
Ordering Information
FG- R05- 3A
Series IP Measurement Range (A) Current Detection
Standards
FG R05 = 0.05 3A = IEC62752:2016
and UL 2231-2
Benefits
• Open-loop,fluxgate-basedcurrentsensor
PCB mounting
Digital output of fault detection
Conform to IEC62752:2016
Conform to UL 2231-2
RoHS compliant
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2© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard SE0217_FG • 1/7/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Dimensions in mm
16.25
+0.5
0.5
14.75
+0.5
0.5
12.6
+0.3
0.3
6-0.4x0.25
31.5 maximum
0.5
+0.2
0.2
3.2
+
-
0.4
0.4
2.6
+0.4
0.4
38.5 maximum
13.5 maximum
12.0 maxium
14.85
2-Ø1.0
28.45
+0.6
0.6
33.0
+0.5
0.5
8.0
+0.5
0.5
+0.5
0.5
2.5
0.55
+0.5
0.5
1.8
1.8x5=9.0
2.5
+0.5
0.5
2
7
8
1
3
4
5
6
Pin Number
Symbol
Pin Type
Functions
1VDD Power Power supply, 5 V
2GND Power Ground
3AOUT Analog output Analog output. This is for monitoring purposes, and is not safety function!
Offset voltage is 2.25 V (typical). Sensitivity is 40 V/A (typical).
4 DC Alarm
(Open-Drain)
Open drain Active high if DC current is in the range of 3 to 6 mA.
5AC Alarm
(Open-Drain)
Open drain Active high if AC current is in the range of 15 to 20 mA.
IEC62752:2016 and UL 2231 (CCID20)
6TEST Input Testinput.Internalpull-downwith100kΩ.
Test sequence starts when input positive pulse input (>120 usec).
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3© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard SE0217_FG • 1/7/2021
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
PCB Footprint - Top View
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4© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard SE0217_FG • 1/7/2021
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
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.
PIN 3 Analog Output – DC Characteristics
Input
Current
Analog
Output
50mA-50mA
2.25 V
4.5 V
0
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5© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard SE0217_FG • 1/7/2021
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Output Characteristics cont.
Output State
GND GND Normal Condition
High Impedance GND DC Detection Current > 6 mA
GND High Impedance AC Detection Current > 20 mA
High Impedance High Impedance DC Detection Current > 6 mA and AC
Detection Current > 20 mA
Temperature of primary wire should not exceed 105°C.
The rise time of the supply voltage is 50 us to 100 ms.
Frequency Characteristics of Analog Output Frequency Characteristics of Response Value
Trip Current of Pulsating DC at Phase 0°, 90°, 180° Trip Current of AC + DC
Above data are not guaranteed values, for reference only.
KEIVIEI' amen company ESD Test DC Detection Current within specifications as per Table 1 - Ratings
6© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard SE0217_FG • 1/7/2021
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Environmental Compliance
FG sensors are RoHS compliant.
Specifications
Item Performance Characteristics
Primary Rated Voltage 250 V
Primary Nominal Current 80/40 A Maximum (1 phase/3 phase)
Supply Voltage Range 4.75 – 5.25 V (5 V typical)
Maximum Input Voltage of Digital Output Supply Voltage + 0.3 V
Input Voltage Range of TEST (LOW) 0.0 – 0.6 V
Input Voltage Range of TEST (HIGH) 2.5 V - Supply Voltage
Maximum Sink Current of Digital Output 10 mA
Current Consumption 13 mA (at measurement 0 mA)
Operating Temperature Range −40°Cto+85°C
Storage Temperature Range −40°Cto+85°C
Tests
ESD Test
DCDetectionCurrentwithinspecificationsasperTable1Ratings&PartNumberReferenceafterESDtest.
Parameter Result
Electrostatic Discharge Voltage
Human-Body Model (HBM)
R=1,500Ω,C=100pF,U=±2,000V
Passed
Electrostatic Discharge Voltage
Charged-Device Model (CDM)
U=±800V
Passed
KEIl/IEI' u new company EMC Test DC Alarm and AC Alarm do not malfunclion during noise stimulalion. Dielectric strength
7© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard SE0217_FG • 1/7/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Tests cont.
EMC Test
DC Alarm and AC Alarm do not malfunction during noise stimulation.
Parameter Conditions Result
IEC 61000-4-3
Radiated, radio-frequency,
electromagneticfieldimmunity
30 V/m,
80 MHz – 1 GHz 80% AM 1 kHz Passed
ISO 11452-2 (ALSE)
Electrical disturbances from narrowband
radiated electromagnetic energy
50 V/m
200 MHz – 800 MHz 80% AM 1 kHz,
800 MHz – 2 GHz PM
Passed
ISO 11452-4 (BCI)
Electrical disturbances from narrowband
radiated electromagnetic energy
100 mA
20 MHz – 200 MHz 80% AM 1 kHz Passed
Dielectric Strength
Parameter Conditions Values
UW, prim-sec
Impulse (1.2 µs/50 µs),
PIN 1-6 vs insulated primary wire,
5 pulse -> polarity +, 5 pulse -> polarity -
5,500 Vrms
Ud
Test voltage, 60 seconds
PIN 1-6 vs insulated primary wire 1,500 Vrms
UPDx1.5
Partial discharge voltage,
PIN 1-6 vs insulated primary wire
* acc. to table 24
1,200 Vrms
UPDx1.875
Partial discharge voltage,
PIN 1-6 vs insulated primary wire
* acc. to table 24
1,500 Vrms
* IEC 61800-5-1:2007
Table 1 – Ratings & Part Number Reference
Part
Number
Measurement
Range (mA)
DC Detection
Current1 (mA)
AC Detection
Current1 2 (mArms)
DC Alarm
Response Time (ms)
AC Alarm
Response Time (ms)
FG-R05-3A −50-+50
4.5 typical
3 minimum
6 maximum
17.5 typical
15 minimum
20 maximum
(at 55 Hz)
280 typical, 1000 maximum
(at measurement = 6 mA)
24 typical, 250 maximum
(at measurement = 60 mA)
6 typical, 15 maximum
(at measurement = 300 mA)
60 typical, 250 maximum
(at measurement = 30 mArms)
20 typical, 100 maximum
(at measurement = 60 mArms)
8 typical, 20 maximum
(at measurement = 150 mArms)
7 typical, 10 maximum
(at measurement = 264 mArms)
7 typical, 10 maximum
(at measurement > 5 Arms)
1 Recovery level = detection current/2.
2 Frequency characteristic of AC detection current = 1% typical, 2% minimum at 45 Hz/55 Hz and +1% typical, +2% maximum at 65 Hz/55 Hz.
Part Number PIN 3 AOUT
Sensitivity (V/A)
PIN 3 AOUT
Offset Voltage (V)
PIN 3 AOUT
Frequency Range (Hz)
Hole Diameter
(mm) Weight (g)
FG-R05-3A 40 typical 2.25 typical 150maximum(at−3dB) Φ12.6 20
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Recommended Wire Configurations
In Case of Insulated Wire
Three phase system < 480 V
In Case of Bare Wire
Reinforced insulation, insulation material group III, pollution degree 2, altitude < 5,000 m and overvoltage category II.
Please take enough creepage distance between each pin.
Soldering Process
FG-R05-3A
Wave Soldering
Preheating temperature 100–140°C
Preheating time within 40 seconds
Heating temperature 260°C
Heating time within 10 seconds
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Packaging
Part Number Packaging Type Pieces Per Box
FG-R05-3A Tray 300
The product is packed in antistatic trays.
Marking
Part Number
Lot Code
Marking for
UL Certification
Lot Code
1st and 2nd digit = Last two digits of Year
19 = 2019
20 = 2020
21 = 2021
22 = 2022
3rd and 4th digit = Month of the Year
01 = January
02 = February
to
11 = November
12 = December
5th and 6th digit = Day of the Month 01 = 1st to 31 = 31st
7th digit = Serial Number 01, 02, etc.
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Self-Test Operation
FG-R05-3A
2 1
4
6
3AOUT (reference only use)
Test_in
5 V
0 V
Vdd (4.75 to 5.25)
DC Alarm 1 k
5
AC Alarm 1 k
100 k
Test Current
Connect to MCU etc.
0
Primary Conductor
Vdd
Vdd
74 k
74 k
0
0.1 µ
0.1 µ
220 p 10 µ
4.7 m
Tin (>120 us)
(Typ. 0.8 s)
DC Test
t1
t2
t3
t4
AC Test
(Typ. 0.8 s)
0
0
0
0
Test_in
Test Current
(Internal)
DC Alarm
AC Alarm
Parameter Minimum Typical Maximum
t1 0.12 0.30 0.60
t2 0.80 1.05 1.30
t3 0.70 1.00 1.20
t4 1.40 1.80 2.10
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Recommended Circuit
MCU
Insulated DC-DC Converter
LDO
(High-PSRR)
220 p
10 µ
4.7 m
VDD
GND
TEST
AC Alarm
DC Alarm
0.1 µ0.1 µ
1 k
1 k
SW
Relay
AC Line Filter
Load
3Φ
5 V
FG-R05-3A
1 µ 10 µ
Application Hints
An X capacitor is effective in suppressing normal mode noise from the input.
• AYcapacitorandanAClinefilterareeffectiveinsuppressingcommonmodenoisefromtheinput.
It is recommended to use a High-PSRR LDO for the power input to the FG-R05-3A.
• AddinganLCfiltertotheVddimprovesnoiseimmunity.
Adding a capacitor of a few hundred pF or less to the Vdd improves high frequency noise immunity.
Adding capacitors to the AC / DC Alarm jack and GND improve noise immunity.
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
Handling Precautions
Precautions for Product Storage
Current sensors should be stored in normal working environments. While the sensors are quite robust in other
environments, exposure to high temperatures, high humidity, corrosive atmospheres, and long-term storage degrade
solderability.
KEMETrecommendsthatmaximumstoragetemperaturenotexceed85°Candatmospheresshouldbefreeofchlorine
andsulfur-bearingcompounds.Temperaturefluctuationsshouldbeminimizedtoavoidcondensationontheparts.Avoid
storagenearstrongmagneticfields,astheycanmagnetizetheproductandcauseitscharacteristicstochange.Limit
ambientmagneticfieldsto50eorless.
For optimized solderability, the stock of current sensors should be used within 12 months of receipt.
Before Using Fluxgate-Based Residual Current Sensors
Do NOT drop or apply any other mechanical stress, as such stresses may change performance characteristics.
• DoNOTexceed260°Cfor10secondswhensoldering.Thisisthemaximumheatresistancegradeofthesesensors.Usea
low-corrosiontypefluxwhensoldering.
Do NOT allow strong static electricity near the sensor, as the circuit uses ICs. Static electricity can cause damage. Take
static electricity precautions when handling.
The case is Insulation Materials Group III. When desiging the primary wire, be careful of clearance and creepage distance
from the input/output terminal.
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Current Sensors – FG, Fluxgate-Based Residual Current Sensor
KEMET Electronics Corporation Sales Offi ces
Foracompletelistofourglobalsalesoffices,pleasevisitwww.kemet.com/sales.
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applications,butarenotintendedtoconstitute–andKEMETspecificallydisclaims–anywarrantyconcerningsuitabilityforaspecificcustomerapplicationoruse.
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Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component
failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards
(such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or
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KEMET is a registered trademark of KEMET Electronics Corporation.

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