Antenna Coils

Antenna CoilsRX 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)
Monoaxial LF antenna coil. (SA3M08)
Applicable to reflow soldering.
RoHS compliant.

1d Rx-LF antenna coil
3d Rx-LF antenna coil
Related Links

1d Rx-LF antenna coil

SA3M08 Type

Appearance & Shape

SA3M08 Type
2.8×7.8×2.8 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.
Applicable to reflow soldering.
AEC-Q200 compliant.

Applications

Suitable as a Transponder Antenna Coil for Remote Keyless Entry System. (Vehicle application)
Wide operating temperature range: −40°C to +125°C

Packaging Information

Specifications	Standard Packing Quantity
330mm Embossed Tape	1500

Product Lineup

Part Number	Inductance [mH]	Test Frequency [kHz]	Inductance Tolerance [%]	Unloaded Q Min.
1143AA-183J=P3	18.0	125	±5%	35
1143AA-722J=P3	7.2	125	±5%	30
1143AA-472J=P3	4.7	125	±5%	30

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.

Applications

Suitable as a Transponder Antenna Coil for Remote Keyless Entry System. (Vehicle application)
Wide operating temperature range: −40°C to +85°C

Packaging Information

Specifications	Standard Packing Quantity
330mm Embossed Tape	750

Product Lineup

Part Number		MSA3RBA47A^*2	MSA3RBA006^*2	MSA3RBA72A^*2	MSA3RBA80A^*2
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%

*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.

Applications

Suitable as a Transponder Antenna Coil for Remote Keyless Entry System. (Vehicle application)
Wide operating temperature range: −40°C to +85°C

Packaging Information

Specifications	Standard Packing Quantity
330mm Embossed Tape	750

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%

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

Related Links

Send your inquiry

Order samples

Evaluate our product for your application

Stock Check

Click here

Avoiding Counterfeit Products