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LF Antennas (Antenna Coils)

LF Antennas (Antenna Coils)RX Antenna Coils

High reliability conforms to automotive applications.
Encapsulated core and winding foranti-shock structure.
High sensitivity due to optimized magnetic material and electrode structure.
Triaxial LF antenna coil. (SA-X20 SA3D12)
Applicable to reflow soldering.
RoHS compliant.

3d Rx-LF antenna coil
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3d Rx-LF antenna coil

SA-X20 Type

Appearance & Shape

SA-X20 Type
12.0×12.0×3.4 mm（Typ.）

CAD Data Download

Features & Applications

Features

High reliability conforms to automotive applications.
Encapsulated core and winding for anti-shock structure.
High sensitivity due to optimized magnetic material and electrode structure.
Recommended for 125 kHz ICs (low Q)
Applicable to reflow soldering.
AEC-Q200 compliant.
Operating temperature range: −40°C to +85°C

Applications

Automotive smart key systems
Smart key for home systems
Worker safety devices
Welfare equipment such as monitoring systems
Wireless power supply position deviation detection equipment

Packaging Information

Specifications	Standard Packing Quantity
330mm Embossed Tape	1000

Product Lineup

Part Number		MSA3RBA47A	MSA3RBA006	MSA3RBA72A	MSA3RBA80A
X axis	Inductance [mH]	4.7	6.3	7.2	8.0
	Unloaded Q Min.	18.0	20.0	20.0	20.0
	Sensitivity^*1 [mV/uT] (mV/A/m)	60.0 (75.0)	70.0 (85.0)	75.0 (95.0)	80.0 (100.0)
Y axis	Inductance [mH]	4.7	6.3	7.2	8.0
	Unloaded Q Min.	18.0	20.0	20.0	20.0
	Sensitivity^*1 [mV/uT] (mV/A/m)	60.0 (75.0)	70.0 (85.0)	75.0 (95.0)	80.0 (100.0)
Z axis	Inductance [mH]	7.2	9.0	10.6	13.0
	Unloaded Q Min.	18.0	18.0	18.0	20.0
	Sensitivity^*1 [mV/uT] (mV/A/m)	60.0 (75.0)	70.0 (85.0)	75.0 (95.0)	80.0 (100.0)
Test Frequency [kHz]		125.0	125.0	125.0	125.0
Inductance Tolerance [%]		±5%	±5%	±5%	±5%
Stock Check		Stock Check	Stock Check	Stock Check	Stock Check

*1Sensitivity values are reference values.
Also, values in parentheses were calculated based on conversion of magnetic flux density to magnetic field strength.

SA3D12 Type

Appearance & Shape

SA3D12 Type
11.9×11.9×3.2 mm（Typ.）

CAD Data Download

Features & Applications

Features

High reliability conforms to automotive applications.
Encapsulated core and winding for anti-shock structure.
High sensitivity due to optimized magnetic material and electrode structure.
Recommended for 134.2 kHz ICs (high Q)
Applicable to reflow soldering.
AEC-Q200 compliant.
Operating temperature range: −40°C to +85°C

Applications

Automotive smart key systems
Smart key for home systems
Worker safety devices
Welfare equipment such as monitoring systems
Wireless power supply position deviation detection equipment

Packaging Information

Specifications	Standard Packing Quantity
330mm Embossed Tape	1000

Product Lineup

Part Number		1335BBN-0001=P3
X axis	Inductance [mH]	4.5
	Unloaded Q Min.	25.0
	Sensitivity^*1 [mV/uT] (mV/A/m)	55.0 (70.0)
Y axis	Inductance [mH]	4.5
	Unloaded Q Min.	25.0
	Sensitivity^*1 [mV/uT] (mV/A/m)	55.0 (70.0)
Z axis	Inductance [mH]	7.6
	Unloaded Q Min.	25.0
	Sensitivity^*1 [mV/uT] (mV/A/m)	50.0 (65.0)
Test Frequency [kHz]		134.2
Inductance Tolerance [%]		±5%
Stock Check		Stock Check

*1Sensitivity values are reference values.
Also, values in parentheses were calculated based on conversion of magnetic flux density to magnetic field strength.

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