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Current Sense Transformer

Current sense magnetics are used as a low loss method for sensing AC current in a circuit and also provide electrical and safety isolation between the source of the current and the measurement circuit. The key parameters for a current sense transformer are the rms current rating (to ensure it does not overheat in the application) and the safety and voltage isolation (to ensure it conforms to the end-application requirements). Atech's Current Sense Transformers Insulation Systems Including Functional, Basic And Reinforced. Custom Solutions Are Available. Advantage Wide Measuring Range Low Ohmic Resistance Creepage Distances According To IEC 60664 (Basic Insulation) High Dielectric Strength For Compact Design Qualified To AEC-Q200 Wide Range Of Turn Ratios Application Current Measurement On-Board Power Supplies AC/DC Inverters In xEV Applications

Current Sense Transformer

Current Sense Transformer

Current sense magnetics are used as a low loss method for sensing AC current in a circuit and also provide electrical and safety isolation between the source of the current and the measurement circuit. The key parameters for a current sense transformer are the rms current rating (to ensure it does not overheat in the application) and the safety and voltage isolation (to ensure it conforms to the end-application requirements). Atech's Current Sense Transformers Insulation Systems Including Functional, Basic And Reinforced. Custom Solutions Are Available.

Advantage

  • Wide Measuring Range
  • Low Ohmic Resistance
  • Creepage Distances According To IEC 60664 (Basic Insulation)
  • High Dielectric Strength For Compact Design
  • Qualified To AEC-Q200
  • Wide Range Of Turn Ratios

Application

  • Current Measurement On-Board Power Supplies
  • AC/DC Inverters In xEV Applications

Output Options

Compare the available output options and review the published model specifications.

EF12.6-40A SERIES
Original Description
TRANSFORMER, POWER, CURRENT SENSOR, EF12.6-40A SERIES, SMD, RoHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Series Name
EF12.6-40A
Core Family
FE
Core / Package Type
FE-12.6
Mounting
SMD
Inductance (Original)
1.4~22.4mH
Inductance Min (uH)
1400
Inductance Max (uH)
22400
Inductance Qualifier
RANGE
Isolation Voltage (Vrms)
1500
Length Max (mm)
19.91
Width Max (mm)
14.55
Height Max (mm)
10.5
Compliance
RoHS
filter_inductance_min_uh
1400
filter_inductance_max_uh
22400
filter_inductance_raw
1.4~22.4mH
filter_inductance_qualifier
RANGE
isolation_voltage
1500
EE05-20A SERIES
Original Description
TRANSFORMER, POWER, CURRENT SENSOR, EE05-20A SERIES, SMD, RoHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Series Name
EE05-20A
Core Family
EE
Core / Package Type
EE-5
Mounting
SMD
Inductance (Original)
80~8000uH
Inductance Min (uH)
80
Inductance Max (uH)
8000
Inductance Qualifier
RANGE
Isolation Voltage (Vrms)
1000
Length Max (mm)
8.38
Width Max (mm)
7.21
Height Max (mm)
11
Compliance
RoHS
filter_inductance_min_uh
80
filter_inductance_max_uh
8000
filter_inductance_raw
80~8000uH
filter_inductance_qualifier
RANGE
isolation_voltage
1000
EP10-40A SERIES
Original Description
TRANSFORMER, POWER, CURRENT SENSOR, EP10-40A SERIES, SMD, RoHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Series Name
EP10-40A
Core Family
EP
Core / Package Type
EP-10
Mounting
SMD
Inductance (Original)
1.7~32mH
Inductance Min (uH)
1700
Inductance Max (uH)
32000
Inductance Qualifier
RANGE
Isolation Voltage (Vrms)
3750
Length Max (mm)
13.8
Width Max (mm)
12.8
Height Max (mm)
14.4
Compliance
RoHS
filter_inductance_min_uh
1700
filter_inductance_max_uh
32000
filter_inductance_raw
1.7~32mH
filter_inductance_qualifier
RANGE
isolation_voltage
3750
EP07-20A SERIES
Original Description
TRANSFORMER, POWER, CURRENT SENSOR, EP07-20A SERIES, SMD, RoHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Series Name
EP07-20A
Core Family
EP
Core / Package Type
EP-7
Mounting
SMD
Inductance (Original)
1.7~25mH
Inductance Min (uH)
1700
Inductance Max (uH)
25000
Inductance Qualifier
RANGE
Isolation Voltage (Vrms)
3000
Length Max (mm)
12.2
Width Max (mm)
10.6
Height Max (mm)
11
Compliance
RoHS
filter_inductance_min_uh
1700
filter_inductance_max_uh
25000
filter_inductance_raw
1.7~25mH
filter_inductance_qualifier
RANGE
isolation_voltage
3000
ATS-1339R
Original Description
TRANSFORMER, POWER, EE-5, CURRENT SENSOR, SMD, 2mH, ROHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Core Family
EE
Core / Package Type
EE-5
Mounting
SMD
Inductance (Original)
2mH
Inductance Typ (uH)
2000
Inductance Qualifier
TYP/UNSPECIFIED
Isolation Voltage (Vrms)
1000
Length Max (mm)
7.21
Width Max (mm)
8
Height Max (mm)
5.5
Compliance
RoHS
filter_inductance_min_uh
2000
filter_inductance_max_uh
2000
filter_inductance_raw
2mH
filter_inductance_qualifier
TYP/UNSPECIFIED
isolation_voltage
1000
ATSE-693R
Original Description
TRANSFORMER, POWER, EE-5, CURRENT SENSOR, SMD, 3mH, RoHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Core Family
EE
Core / Package Type
EE-5
Mounting
SMD
Inductance (Original)
3mH MIN.
Inductance Min (uH)
3000
Inductance Qualifier
MIN
Isolation Voltage (Vrms)
1000
Length Max (mm)
7.7
Width Max (mm)
8
Height Max (mm)
5.9
Compliance
RoHS
filter_inductance_min_uh
3000
filter_inductance_max_uh
3000
filter_inductance_raw
3mH MIN.
filter_inductance_qualifier
MIN
isolation_voltage
1000

Specifications

General

Original Description
TRANSFORMER, POWER, CURRENT SENSOR, EF12.6-40A SERIES, SMD, RoHS / TRANSFORMER, POWER, CURRENT SENSOR, EE05-20A SERIES, SMD, RoHS / TRANSFORMER, POWER, CURRENT SENSOR, EP10-40A SERIES, SMD, RoHS / TRANSFORMER, POWER, CURRENT SENSOR, EP07-20A SERIES, SMD, RoHS / TRANSFORMER, POWER, EE-5, CURRENT SENSOR, SMD, 2mH, ROHS / TRANSFORMER, POWER, EE-5, CURRENT SENSOR, SMD, 3mH, RoHS
Component Type
Transformer
Function / Application
Current Sensor
Power Classification
Power
Series Name
EF12.6-40A / EE05-20A / EP10-40A / EP07-20A
Core Family
FE / EE / EP
Core / Package Type
FE-12.6 / EE-5 / EP-10 / EP-7
Mounting
SMD
Inductance (Original)
1.4~22.4mH / 80~8000uH / 1.7~32mH / 1.7~25mH / 2mH / 3mH MIN.
Inductance Min (uH)
1400 / 80 / 1700 / 3000
Inductance Typ (uH)
2000
Inductance Max (uH)
22400 / 8000 / 32000 / 25000
Inductance Qualifier
RANGE / TYP/UNSPECIFIED / MIN
Isolation Voltage (Vrms)
1500 / 1000 / 3750 / 3000
Length Max (mm)
19.91 / 8.38 / 13.8 / 12.2 / 7.21 / 7.7
Width Max (mm)
14.55 / 7.21 / 12.8 / 10.6 / 8
Height Max (mm)
10.5 / 11 / 14.4 / 5.5 / 5.9
Compliance
RoHS

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