# Power Inductor (SMD), 18 mH, 50 mA, Unshielded, MCSD75 Series

![Product image](https://novapart.co/image/farnell:1864157/)

**URL**: https://novapart.co/products/MCSD75-183KU/power-inductor-smd-18-mh-50-ma-unshielded-mcsd75
**SKU**: MCSD75-183KU
**Manufacturer**: MULTICOMP PRO
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.0670
**Stock**: 10+

## Description

Inductance:18mH; RMS Current (Irms):50mA; Inductor Construction:Unshielded; Saturation Current (Isat):-; Product Range:-; Power Inductor Case:7.8mm x 7mm x 5mm; DC Resistance Max:72ohm; Induc

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 18mH |
| Product Range | MCSD75 Series |
| Product Width | 7mm |
| Product Height | 5mm |
| Product Length | 7.8mm |
| Dc Resistance Max | 72ohm |
| Rms Current (Irms) | 50mA |
| Power Inductor Case | 7.8mm x 7mm x 5mm |
| Inductance Tolerance | ± 10% |
| Inductor Construction | Unshielded |
| Saturation Current (Isat) | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1864157/)

REVISIONS PART NO. ECN # REV DESCRIPTION DRAWN DATE CHECKD DATE APPRVD DATE MCSD75-183KU aa - es A RELEASED ee Arun 09/2/11 Jagan 09/2/11 Farnell 23/2/11 

## **Configurations and Dimensions** 

**==> picture [128 x 98] intentionally omitted <==**

**----- Start of picture text -----**<br>
A 7 ±0.3 mm -<br>B 7.8 ±0.3 mm -<br>C 5 ±0.5 mm -<br>D 3 mm (Reference)<br>E 8 ±0.5 mm -<br>**----- End of picture text -----**<br>


## **Schematic Diagram** 

## **Note:** 

(1) Wire Ø0.06mm x 1P 2UEWF 155°C (2) 680.5TS (Reference) 

## **Test Data for Mechanical** 

**==> picture [88 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensions : Millimetres<br>**----- End of picture text -----**<br>


## **Marking : 183** 

|**Electrical Characteristics**|**Electrical Characteristics**|**(at 25°C)**|
|---|---|---|
|**Test Condition**|||
|100KHz 0.25V|L|18mH ±10%|
|at 25°C|DCR|72Ω(Maximum)|
|100KHz 0.25V Irms = 0.05A|∆T|Temperature Rise 40°C (Maximum)|



|**Test**<br>**Item**|**A**<br>**mm**|**B**<br>**mm**|**C**<br>**mm**<br>||**D**<br>**mm**<br>||**E**<br>**mm**<br>||
|---|---|---|---|---|---|
|**Specification**|**7 ±0.3**|**7.8 ±0.3**|**5 ±0.5**<br>||**3**<br>**(Reference)**<br>||**8 ±0.5**<br>||
|1|7.1|7.85|5.01|2.22|7.8|
|2|6.99|7.76|5|2|7.81|
|3||7.84|5.18|2.44|7.8|
|4|7.03|7.69|4.94|2.21|7.78|
|5|7.06|7.79|5.07|2.47|7.71|
|**Average**|**7.03**|**7.79**|**5.04**|**2.27**|**7.78**|



Operating temperature : -55°C to +130°C 

This data sheet and its contents (the "Information") belong to the Premier Farnell Group (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. SPC MULTICOMP is the registered trademark of the Group. © Premier Farnell plc 2011. 

TOLERANCES: DRAWN BY: DATE: DRAWING TITLE: UNLESS OTHERWISE es ~~a~~ Arun 09/02/11 Inductor SPECIFIED, ee CHECKED BY: DATE: SIZE DWG NO. ELECTRONIC FILE REV DIMENSIONS AREFOR REFERENCE es Jagan 09/02/11 A M10003017 **SD75-183KU** A PURPOSES ONLY. APPROVED BY: DATE: Farnell 23/02/11 SCALE: NTS U.O.M.: mm SHEET: 1 OF 3 aee 

REVISIONS PART NO. ee ECN # REV DESCRIPTION DRAWN DATE CHECKD DATE APPRVD DATE MCSD75-183KU aa - es A RELEASED ee Arun 09/2/11 Jagan 09/2/11 Farnell 23/2/11 

## **Electric Characteristics** 

## **Test Data for Electrical** 

|**Test**<br>**Item**|**L**<br>**mH**|**DCR**<br>Ω|∆**T**|
|---|---|---|---|
|**Condition**|**100KHz**<br>**0.25V**|**at 25°C**|**100KHz 0.25V**<br>**Irms = 0.05A**|
|**Specification**|**18 ±10%**|**72**<br>**(Maximum)**|**Temperature Rise 40°C**<br>**(Maximum)**|
|1|18.11|60.5|OK|
|2|18.2|60.85|OK|
|3|17.97|60.96|OK|
|4|17.99|61.1|OK|
|5|17.95|60.91|OK|
|**Average**|**18.04**|**60.86**|**OK**|



Frequency (KH?) This data sheet and its contents (the "Information") belong to the Premier Farnell Group(the "Group") or are licensed to it. No licence is granted for the use of it other than for TOLERANCES: DRAWN BY: DATE: DRAWING TITLE: information purposes in connection with the products to which it relates. No licenceof any intellectual property rights is granted. The Information is subject to change with-out notice and replaces all data sheets previously supplied. The Information supplied is UNLESS OTHERWISE esa Arun 09/02/11 Inductor believed to be accurate but the Group assumes no responsibility for its accuracy orcompleteness, any error in or omission from it or for any use made of it. Users of this SPECIFIED, ee CHECKED BY: DATE: SIZE DWG NO. ELECTRONIC FILE REV data sheet should check for themselves the Information and the suitability of the prod-ucts for their purpose and not make any assumptions based on information included oromitted. Liability for loss or damage resulting from any reliance on the Information or DIMENSIONS AREFOR REFERENCE es Jagan 09/02/11 A M10003017 **SD75-183KU** A use of it (including liability resulting from negligence or where the Group was aware of PURPOSES ONLY. APPROVED BY: DATE: the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Farnell 23/02/11 SCALE: NTS U.O.M.: mm SHEET: 2 OF 3 SPC MULTICOMP is the registered trademark of the Group. © Premier Farnell plc 2011. aee 

|PART NO.|||REVISIONS|||||||
|---|---|---|---|---|---|---|---|---|---|
||ECN #|REV|DESCRIPTION|DRAWN|DATE|CHECKD|DATE|APPRVD|DATE|
|MCSD75-183KU|-|A|RELEASED|Arun|09/2/11|Jagan|09/2/11|Farnell|23/2/11|



## **Reliability Test** 

|**Reliability Test**|**Reliability Test**|||
|---|---|---|---|
|**Test Item**<br>**Specifications**|||**Test Method and Remarks**|
|Operating temperature range<br>-55°C to +130°C|||Including temperature rise due to self-generated heat.|
|Storage condition<br>Ambient temperature : 0°C to 40°C<br>Humidity<br>: Below 70%RH|||To maintain the solderability of terminal electrodes, care must be taken to<br>control temperature and humidity in the storage area.|
|Moisture sensitivity<br>Appearance<br>: No abnormality<br>No damage<br>DCR change<br>: Within ±20%<br>Inductance change<br>: Within ±20%|||According to J-STD-020B level 3<br>Test condition : 60°C 60% RH<br>Test duration : 40 hours<br>Recovery<br>: 1 to 2 hours of recovery under the standard<br>condition after the removal from the test chamber.|
|Solderability<br>All termination shall exhibit a continuous solder<br>coating free from defects for a minimum of 90%<br>of the surface area of any individual lead.|||According to J-STD-002B<br>Steam aging category : 97°C 98% RH<br>Steam aging duration : 8 hours<br>Solder<br>: Lead-free solder<br>Solder temperature<br>: 260 ±5°C<br>Dip time<br>: 5 +0/-0.5 seconds.|
|**Material List**||||
|**No.**|**Item**<br>**Material Description**|||
|1|Core<br>R5A CDR7.8 x 5 (ST) B2.9 F2.5|||
|2|Wire<br>Ø0.06mm x 1P 2UEWF 155°C|||
|3|Solder (Lead Free)<br>Sn99.3% / Cu0.7%|||
|4|Glue<br>TH320|||



## **Material List** 

## **Part Number Table** 

**http://www.farnell.com http://www.newark.com** 

**Description Part Number http://www.newark.com** Inductor, 18MH, 10%, SMD MCSD75-183KU **http://www.cpc.co.uk** This data sheet and its contents (the "Information") belong to the Premier Farnell Group(the "Group") or are licensed to it. No licence is granted for the use of it other than for TOLERANCES: DRAWN BY: DATE: DRAWING TITLE: information purposes in connection with the products to which it relates. No licenceof any intellectual property rights is granted. The Information is subject to change with-out notice and replaces all data sheets previously supplied. The Information supplied is UNLESS OTHERWISE Arun 09/02/11 Inductor believed to be accurate but the Group assumes no responsibility for its accuracy orcompleteness, any error in or omission from it or for any use made of it. Users of this SPECIFIED, CHECKED BY: DATE: SIZE DWG NO. ELECTRONIC FILE REV data sheet should check for themselves the Information and the suitability of the prod-ucts for their purpose and not make any assumptions based on information included oromitted. Liability for loss or damage resulting from any reliance on the Information or DIMENSIONS AREFOR REFERENCE Jagan 09/02/11 A M10003017 **SD75-183KU** A use of it (including liability resulting from negligence or where the Group was aware of PURPOSES ONLY. APPROVED BY: DATE: the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Farnell 23/02/11 SCALE: NTS U.O.M.: mm SHEET: 3 OF 3 ~~ES~~ SPC MULTICOMP is the registered trademark of the Group. © Premier Farnell plc 2011. 



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