MPL-AL4020-1R0

## **MPL-AL4020-1R0** 

## **Low-Resistance Molded Inductor 1.0µH** 

## **APPLICATIONS** 

- Battery-powered devices 

- Embedded computing 

- High-current SMPS 

- High-frequency SMPS 

- POL converters 

- FPGA 

## **FEATURES** 

## **ELECTRICAL CHARACTERISTICS** 

- Size 4.1mmx4.1mmx1.9mm 

- Low DCR 

- Low AC Losses 

- Low Audible Noise 

- Molded Construction 

- Soft Saturation 

- Stable Over High Temperatures 

- Max Operating Temp +155°C 

- RoHS/REACH-Compliant, Halogen-Free 

|**Parameter**|||**Value**|**Unit**|
|---|---|---|---|---|
|**Inductance(1)**|**_L_**|**±20%**|**±20%**<br>**1.0**|**µH**|
|**Resistance**|**_RDC_**|**typ**|**10.1**|**mΩ**|
|**ResistanceMAX**|**_RDC MAX_**|**max**|**11.8**|**mΩ**|
|**Rated Current(2)**|**_IR_**|**typ**|**7.9**|**A**|
|**Saturation Current25°C (3)**|**_ISAT 25°C_**|**typ**|**8.6**|**A**|
|**Saturation Current100°C (4)**|**_ISAT 100°C_**|**typ**|**8.6**|**A**|
|**Resonance Frequency**|**_fr_**|**typ**|**56**|**MHz**|



## **GENERAL SPECIFICATIONS** 

**(1) Inductance** 

## Measured at 100kHz, 100mA 

Rated current will cause the coil temperature rise ΔT of 40K 

||Rated current will cause the coil temperature rise ΔT of 40K|
|---|---|
|**(2) Rated Current**|_IR measured with the inductor soldered in a single-layer PCB. Copper layer thickness_<br>_35µm Cu / PCB size 30x50mm. Temperature behavior dependent on circuit design,_|
||_PCB layout, proximity to other components, and trace dimensions and thickness._|
|**(3) Saturation Current25°C**|Saturation current will cause L to drop from 30% at 25°C ambient temperature|
|**(4) Saturation Current100°C**|Saturation current will cause L to drop from 30% at 100°C ambient temperature|
|**Temperature Test Condition**|Electrical specifications measured at 25°C, 35% RH if not given differently|
|**Operating Condition**|Operating temperature: -40°C to +155°C (including temp rise)<br>Should not exceed +155°C under worst-case operation conditions|
|**Storage Condition**|Tape and Reel packaging: -10°C to +40°C<br>Humidity: <50% RH|



All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For MPS green status, please visit the MPS website under Quality Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries. 

**1** 

MPL-AL4020-1R0 Rev. 1.1 www.MonolithicPower.com 8/6/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 

**MPL-AL4020-1R0 – LOW-RESISTANCE MOLDED INDUCTOR 1.0µH** 

## **TYPICAL PERFORMANCE CURVES** 

## **Temperature Rise vs. Current** 

## **Impedance vs. Frequency** 

## **Inductance vs. Current** 

## **Inductance vs. Frequency** 

**2** 

MPL-AL4020-1R0 Rev. 1.1 8/6/2019 

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MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 

© 2019 MPS. All Rights Reserved. 

**MPL-AL4020-1R0 – LOW-RESISTANCE MOLDED INDUCTOR 1.0µH** 

## **Quality Factor vs. Frequency** 

## **AC Resistance vs. Frequency** 

**3** 

MPL-AL4020-1R0 Rev. 1.1 8/6/2019 

www.MonolithicPower.com 

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 

© 2019 MPS. All Rights Reserved. 

**MPL-AL4020-1R0 – LOW-RESISTANCE MOLDED INDUCTOR 1.0µH** 

## **LAND PATTERN** 

|~~eee~~|**Dimensions**<br>~~eee~~|
|---|---|
|A|3.80 ref.|
|B|1.40 ref.|
|C|3.40 ref.|
||(unit in mm)|



## **PRODUCT PACKAGE AND DIMENSIONS** 

**Dimensions** (unit in mm) **TOP MARKING Marking** Start of Winding · (dot) Inductance Code 1R0 — ~~——~~ MPS Code MPS 

**4** 

MPL-AL4020-1R0 Rev. 1.1 8/6/2019 

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MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved. 

**MPL-AL4020-1R0 – LOW-RESISTANCE MOLDED INDUCTOR 1.0µH** MPS 

|**ORDERING INFORMATION**|**ORDERING INFORMATION**|||||
|---|---|---|---|---|---|
||**_L_ (1)**|**_RDC_**|**_IR_ (2)**|**_ISAT 25°C_ (3)**|**_ISAT 100°C_ (4)**|
|**Part Number**||||||
||**typ (µH)**|**typ (mΩ)**|**typ (A)**|**typ (A)**|**typ (A)**|
|MPL-AL4020-R47|0.47|6.2|9.2|12.5|12.5|
|MPL-AL4020-R68|0.68|7.5|8.7|11|11|
|MPL-AL4020-R82|0.82|9.0|8.4|9.5|9.5|
|MPL-AL4020-1R0|1.0|10.1|7.9|8.6|8.6|
|MPL-AL4020-1R2|1.2|12.2|7.4|7.5|7.5|
|MPL-AL4020-1R5|1.5|14.5|6.4|7.1|7.1|
|MPL-AL4020-2R2|2.2|21.5|5.5|6.2|6.2|
|MPL-AL4020-3R3|3.3|34.5|4.4|5.2|5.2|
|MPL-AL4020-4R7|4.7|52.2|3.65|4.2|4.2|



## **GENERAL SPECIFICATIONS** 

**(1) Inductance** 

Measured at 100kHz, 100mA 

Rated current will cause the coil temperature rise ΔT of 40K 

**(2) Rated Current** _IR measured with the inductor soldered in a single-layer PCB. Copper layer thickness 35µm Cu / PCB size 30x50mm. Temperature behavior dependent on circuit design, PCB layout, proximity to other components, and trace dimensions and thickness._ 

|**(3) Saturation Current25°C**|Saturation current will cause L to drop from 30% at 25°C ambient temperature|
|---|---|
|**(4) Saturation Current100°C**|Saturation current will cause L to drop from 30% at 100°C ambient temperature|
|**Temperature Test Condition**|Electrical specifications measured at 25°C, 35% RH if not given differently|
|**Operating Condition**|Operating temperature: -40°C to +155°C (including temp rise)<br>Should not exceed +155°C under worst-case operation conditions|
|**Storage Condition**|Tape and Reel packaging: -10°C to +40°C<br>Humidity: <50% RH|



**NOTICE:** The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should warrant and guarantee that third-party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications. 

**5** 

MPL-AL4020-1R0 Rev. 1.1 8/6/2019 

www.MonolithicPower.com 

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved.