AMRU000404204R7MB1

## **Power Inductor** 

## **Automotive Grade AMRU Series** 

## **Overview** 

Power inductors are passive electronic components used in various circuits to store energy in a magnetic field when electrical current flows through them. They are critical in filtering, energy storage, and noise suppression in power electronic systems. 

They are designed to handle higher currents and are optimized for minimal power loss and thermal efficiency. 

## **Benefits** 

1. Automotive grade available 

2. Energy Storage, Efficiently stores and transfers energy in DC-DC converters and power supplies. 

3. High Current Handling, Supports high current capacity with minimal losses, ensuring thermal stability. 

4. Compact and Efficient Design, Advanced materials and construction enable miniaturization without sacrificing performance, ideal for space-constrained designs. 

## **Applications** 

1. Automotive Systems for ADAS, infotainment. 

2. Industrial Equipment: Robotics, power tools, industrial automation, and IoT devices. 

3. DC-DC converters, inverters, and battery management systems. 

4. Base stations, 5G infrastructure, and signal processing systems. 

5. Consumer Electronics: Smartphones, laptops, tablets, wearable devices, and gaming consoles. 

## **Product Information** 

|**Series**|**L (mm)**|**W(mm)**|**T (mm)**|**Inductance (**µ**H)**|
|---|---|---|---|---|
|AMRU|4.2|4.7|1.2|0.22 ~ 47|
||4.2|4.7|1.8||
||6.8|7.3|2.8||
||10.2|11.6|3.8||
||12.8|13.8|6.5||



AEC-Q200 

## **AMRU00040420 Series Specification** 

1 **Scope** This specification applies to large current and low loss SMD power inductor. 2 **Part numbering** ~~:~~ 

**A MRU** ~~O poooo00 ooo~~ **Internal Code Tolerance Inductance Dimensions Control Code Product Series Grade** 

## 3 **Temperature rating** ~~_|~~ 

Operating Temperature: - 40°C to 125°C. 

Storage Temperature: (on tape & reel): -20°C to +40°C; 75% RH max. 

## 4 **Marking** ~~_|~~ 

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## 5 **Standard testing condition** ~~_|~~ 

||Unless otherwise specified|In case of doubt|
|---|---|---|
|Temperature|Ordinary Temperature(15 to 35°C)|20 to 30°C|
|Humidity|Ordinary Humidity(25 to 85% RH)|50 to 80 %RH|



AEC-Q200 

## **AMRU00040420 Series Specification** 

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6 Configuration and dimensions<br>_|<br>**----- End of picture text -----**<br>


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B F<br>A XXX D<br>C c<br>t i<br>**----- End of picture text -----**<br>


|**Type**|**040420**|
|---|---|
|**A**|**4.2 ± 0.25**|
|**B**|**4.7 ± 0.25**|
|**C**|**1.8 ± 0.2**|
|**D**|**2.0 ± 0.3**|
|**F**|**1.0 ± 0.3**|



## 7 **Electrical characteristics** ~~_|~~ 

|**Part number**|**Inductance**<br>**(uH)**|**Tolerance**<br>**(±%)**|**Test Freq.**|**Irms(A)**<br>**Typ.**|**Isat(A)**<br>**Typ.**|**RDC(mΩ)**<br>**Max.(Typ.)**|**Marking**|
|---|---|---|---|---|---|---|---|
|AMRU00040420R47MB1|0.47|20|100kHz,0.5V|7|10|14(12)|R47|
|AMRU000404201R0MB1|1|20|100kHz,0.5V|4.5|7|27(24)|1R0|
|AMRU000404201R5MB1|1.5|20|100kHz,0.5V|4|6|46(38)|1R5|
|AMRU000404202R2MB1|2.2|20|100kHz,0.5V|3|5|55(50)|2R2|
|AMRU000404203R3MB1|3.3|20|100kHz,0.5V|2.7|4.2|83(75)|3R3|
|AMRU000404204R7MB1|4.7|20|100kHz,0.5V|2.2|3.5|105(95)|4R7|
|AMRU00040420100MB1|10|20|100kHz,0.5V|1.5|2.3|250(225)|100|



## **Note:** 

- 1.Operating temperature range -40°C to 125°C. 

- 2.Isat for inductance drop 30% from its value without current. 

- 3.Irms for a 40°C temperature rise from 25°C ambient. 

- 4.The part temperature (ambient + temp rise) should not exceed 125°C under worst case operating conditions. Circuit design 125°C under worst case operating conditions. Component placement, PWB trace size and thickness, airflow and other cooling provisions all affect the part temperature. Part temperature should be verified in the end application. 

- 5.Absolute maximum voltage 30V DC. (Based on test method, it may not the sameunder different application, it is recommended to verify first.) 

AEC-Q200 

## **AMRU00040420 Series Specification** 

8 **AMRU00040420 Series 8.1 Construction** 

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## **8.2 Material list** 

|Item|Part|Description|
|---|---|---|
|1|Magnetic core|Magnetic metal powder|
|2|Coil|Enameled copper wire|
|3|Terminals|Copper based terminal|



|**AMRU00040420 Series Specification**<br>9<br>**Reliability test items**<br>**1-1. Mechanicalperformance**<br>**No**<br>**Item**<br>**Specification**<br>1-1-1 Board Flex<br>The forces applied on the right<br>Refer to AEC-Q200-005<br>conditions must not damage<br>Test device shall be soldered on the substrate<br>the terminal electrode and the<br>Substrate Dimension: 100x40x1.6mm<br>ferrite<br>Deflection: 2.0mm<br>KeepingTime: 60sec<br>AEC-Q200<br>**Test Method**<br>YAGEO:~~a~~|**AMRU00040420 Series Specification**<br>9<br>**Reliability test items**<br>**1-1. Mechanicalperformance**<br>**No**<br>**Item**<br>**Specification**<br>1-1-1 Board Flex<br>The forces applied on the right<br>Refer to AEC-Q200-005<br>conditions must not damage<br>Test device shall be soldered on the substrate<br>the terminal electrode and the<br>Substrate Dimension: 100x40x1.6mm<br>ferrite<br>Deflection: 2.0mm<br>KeepingTime: 60sec<br>AEC-Q200<br>**Test Method**<br>YAGEO:~~a~~|**AMRU00040420 Series Specification**<br>9<br>**Reliability test items**<br>**1-1. Mechanicalperformance**<br>**No**<br>**Item**<br>**Specification**<br>1-1-1 Board Flex<br>The forces applied on the right<br>Refer to AEC-Q200-005<br>conditions must not damage<br>Test device shall be soldered on the substrate<br>the terminal electrode and the<br>Substrate Dimension: 100x40x1.6mm<br>ferrite<br>Deflection: 2.0mm<br>KeepingTime: 60sec<br>AEC-Q200<br>**Test Method**<br>YAGEO:~~a~~|
|---|---|---|
|1-1-2 Resistance to Soldering Heat<br>Appearance: No damage<br>Refer to MIL-STD-202 Method 210<br>Inductance change shall be<br>Pre-heating: 150°C, 1min<br>within ±10%.<br>Solder Composition: Sn/Ag3.0/Cu0.5(Pb-Free)<br>Solder Temperature: 260±5°C<br>Immersion Time: 10±1sec<br>~~a~~|||
|1-1-3 Solder ability<br>The electrodes shall be at<br>Refer to J-STD-002<br>least 95% covered with new<br>Pre-heating: 150°C, 1min<br>solder coating<br>Solder Composition: Sn/Ag3.0/Cu0.5(Pb-Free)<br>Solder Temperature: 245±5°C(Pb-Free)<br>Immersion Time: 4±1sec<br>1-1-4 Terminal Strength Test<br>Appearance: No damage<br>Refer AEC-Q200-006<br>Soldered on PCB for testing as fig.<br>Force : 1.8kg<br>KeepingTime: 60 seconds.<br>1-1-5 Resistance to Solvent<br>There must be no change in<br>Refer to MIL-STD-202 Method 215<br>appearance or obliteration of<br>Inductors must withstand 6 mimutes of alcohol or water.<br>marking<br>Sample Size : 15pcs<br>1-1-6 Vibration<br>Appearance: No damage<br>Refer MIL-STD-202 Method 204<br>Inductance change shall be<br>Vibration waveform: Sine waveform<br>within ±10%.<br>Vibration frequency: 10Hz to 2000Hz<br>Vibration acceleration: 5g<br>Sweep rate: 0.764386otcave/minute<br>Duration of test: 12 cycles each of 3 orientations,<br>20 minutes for each cycle<br>Vibration axes: X,Y & Z<br>~~a~~<br>~~rr~~<br>~~a~~<br>~~Ly~~|||
|**1-2. Environmentalperformance**|||
|**No**<br>**Item**|**Specification**|**Test Method**|
|1-2-1 Temperature Cycle|Appearance: No damage|Refer to JESD Method JA-104|
||Inductance change shall be|Total cycles: 1000 cycles|
||within±20%|Temperature Cycling Test Conditions : -40 to +125 °C|
|||-40°C  Soak Mode Condition :  30 minutes|
|||125°C  Soak Mode Condition :  30 minutes|
|||Measured after exposure in the room condition for 24hrs|
|1-2-2 Biased Humidity Resistance||Refer to MIL-STD-202 Method 103|
|||Temperature: 85±2°C|
|||Relative Humidity:85% / Time: 1000hrs|
|||Measured after exposure in the room condition for 24hrs|
|1-2-3 High||Refer to MIL-STD-202 Method 108|
|Temperature Exposure||Temperature: 125±3°C / Relative Humidity: 0%|
|(Storage)||Applied Current: Rated Current /Time: 1000hrs|
|||Measured after exposure in the room condition for 24hrs|
|1-2-4 Operational Life||Refer to MIL-PRF-27|
|||Temperature: 85±3°C|
|||Applied Current : Rated Current|
|||Time: 1000hrs|
|||Measured after exposure in the room condition for 24hrs|



AEC-Q200 

AEC-Q200 

## **AMRU00040420 Series Specification** 

10 **Recommended IR reflow profile** 

AEC-Q200 

## **AMRU00040420 Series Specification** 

11 **Packaging** ~~_|~~ **11.1 Packaging- cover tape** The force for tearing off cover tape is 10 to 130 grams. 

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165° to 180°<br>Top cover tape<br>AN<br>\<br>Base tape<br>11.2 Packaging quantity<br>Type Pcs/Reel<br>040420 2000<br>11.3 Reel dimensions<br>Dimensions in mm<br>A C B Type A B C D<br>040420 330 100 13 13<br>l=<br>D<br>**----- End of picture text -----**<br>


AEC-Q200 

## **AMRU00040420 Series Specification** 

## 11 **Packaging** ~~_|~~ **11.4 Tape dimensions in mm** 

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P0 P2<br>D<br>E<br>W<br>B0<br>K0 P<br>J _ LI<br>Pulling direction<br>A0<br>Type A0 B0 K0 D E W P P0 P2<br>040420 4.5 5.1 2.4 1.5 1.75 12 8 4 2<br>—.Ld.LmLrr<br>12 Recommended pattern<br>_|<br>1R0<br>**----- End of picture text -----**<br>


C 

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os<br>Dimensions in mm<br>A Type A B C<br>040420 2.5 2.2 5.2<br>==<br>B<br>13 Note<br>**----- End of picture text -----**<br>


## 13 ~~_|~~ 

1. Please make sure that your product has been evaluated and confirmed against your specifications when our product is mounted to your product. 

2. Don’t design/mount any components in contact with this product 

3. The moisture sensitivity level (MSL) of products is classified as level 1. 

4. Shelf life: 1 years from the date of shipment. 

AEC-Q200 ~~OT~~ **AMRU00040420 Series Specification** 

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14 Graph:<br>_|<br>AMRU00040420R47MB1 AMRU000404201R0MB1<br>0.60 100 1.5 100<br>Inductance(μH) Inductance(μH)<br>Temp Rise (°C) Temp Rise (°C)<br>0.48 80 1.2 80<br>0.36 60 0.9 60<br>Se e E E<br>0.24 40 0.6 40<br>0.12 20 0.3 20<br>Po a H Y<br>0.00 Pitter TT 0 0.0 PLEpliteTtLASE 0<br>0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9<br>DC Current(A) DC Current(A)<br>AMRU000404201R5MB1 AMRU000404202R2MB1<br>2.0 100 3.0 100<br>Inductance(μH) Inductance(μH)<br>Temp Rise (°C) Temp Rise (°C)<br>1.6 80 2.4 80<br>1.2 60 1.8 60<br>0.8 AL 40 1.2 40<br>0.4 Ff | PE 20 0.6 ae anee 20<br>0.0 poet | dL 0 0.0 poe| LL | 0<br>0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7<br>DC Current(A) DC Current(A)<br>AMRU000404203R3MB1 AMRU000404204R7MB1<br>5.0 100 6.0 100<br>Inductance(μH) Inductance(μH)<br>Temp Rise (°C) Temp Rise (°C)<br>4.0 80 4.8 80<br>3.0 60 3.6 60<br>2.0 40 2.4 40<br>1.00.0 Pee 200 1.20.0 Peeiinettt 200<br>0 1 2 3 4 5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0<br>DC Current(A) DC Current(A)<br>Inductance(μH) C)Temp Rise(° Inductance(μH) C)Temp Rise(°<br>Inductance(μH) C)Temp Rise(° Inductance(μH) C)Temp Rise(°<br>Inductance(μH) C)Temp Rise(° Inductance(μH) C)Temp Rise(°<br>**----- End of picture text -----**<br>


## AEC-Q200 ~~ee~~ **AMRU00040420 Series Specification** 

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14 Graph:<br>_|<br>AMRU00040420100MB1<br>15 100<br>Inductance(μH)<br>Temp Rise (°C)<br>12 80<br>= | LY<br>9 60<br>— | OY<br>6 40<br>eee) 4a<br>3 20<br>| | fey | |<br>0 pat 0<br>0.0 0.5 1.0 | 1.5 | 2.0 2.5 3.0<br>DC Current(A)<br>Inductance(μH) C)Temp Rise(°<br>**----- End of picture text -----**<br>