MSS1038T-824KLB

Power Inductor (SMD), 820 µH, 470 mA, Shielded, 370 mA, MSS1038T Series

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Manufacturer: COILCRAFT
Product type: SMD Power Inductors
Inductance:820µH; RMS Current (Irms):470mA; Inductor Construction:Shielded; Saturation Current (Isat):370mA; Product Range:-; Power Inductor Case:10.2mm x 10mm x 3.8mm; DC Resistance
Inductance: 820µH
Product Range: MSS1038T Series
Product Width: 10mm
Product Height: 3.8mm
Product Length: 10.2mm
DC Resistance Max: 2.596ohm
RMS Current (Irms): 470mA
Power Inductor Case: 10.2mm x 10mm x 3.8mm
Inductance Tolerance: ± 10%
Inductor Construction: Shielded
Saturation Current (Isat): 370mA

Delivery and price
Units per pack	1000
Price	0.514 €
Current stock	10+
Lead time	30 days

Datasheet

Document 843-1 

## **SMT Power Inductors – MSS1038T** 

- 10.0 × 10.2 mm footprint; 3.8 mm high shielded inductors 

- Designed for high temperature applications; ambient temperature up to 165°C. 

- AEC-Q200 qualified 

- Very low DCR and excellent current handling 

**Core material** Ferrite 

**Terminations** RoHS compliant matte tin over nickel over copper. Other terminations available at additional cost. 

**Weight:** 1.5 g 

**Ambient temperature** –40°C to +125°C with I rms current, +125°C to +165°C with derated current 

**Storage temperature** Component: –40°C to +165°C. Packaging: –40°C to +80°C 

**Resistance to soldering heat** Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles **Moisture Sensitivity Level (MSL)** 1 (unlimited floor life at <30°C / 85% relative humidity) 

**Failures in Time (FIT) / Mean Time Between Failures (MTBF)** 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 **Packaging** 250/7″ reel;  1000/13″ reel; Plastic tape: 24 mm wide, 0.35 mm thick, 16 mm  pocket spacing, 4.3 mm pocket depth **PCB washing** Only pure water or alcohol recommended 

|||**DCR  SRF**|**DCR  SRF**|**Isat (A)**4 **Irms(A)**5|**Isat (A)**4 **Irms(A)**5|**Isat (A)**4 **Irms(A)**5|
|---|---|---|---|---|---|---|
|**Part number**1<br>MSS1038T-821NL_    0.82 ±30%<br>MSS1038T-152NL_    1.5 ±30%|**Inductance**2<br>**max**<br>**(µH)**<br>**(m****) **<br>MSS1038T-821NL_    0.82 ±30%<br>6.0 138<br>MSS1038T-152NL_    1.5 ±30%<br>8.1||**typ**3<br>**(MHz) dro**<br>6.0 138<br>8.1<br>81|**10% 20% 30% 20°C 40°C**<br>**drop drop drop**<br>9.00 11.16 12.10<br>7.40 9.48 11.06|**10% 20% 30% 20°C 40°C**<br>**rise**<br>7.30 10.00<br>5.60|**10% 20% 30% 20°C 40°C**<br>**rise**<br>7.30 10.00<br>7.85|
|MSS1038T-252NL_    2.5 ±30%|MSS1038T-252NL_    2.5 ±30%|10|61|5.70 7.62 9.26|4.65|6.65|
|MSS1038T-382NL_    3.8 ±30%|MSS1038T-382NL_    3.8 ±30%|13|45|4.94 6.50 7.64|4.25|6.05|
|MSS1038T-522NL_5.2 ±30%<br>MSS1038T-702NL_    7.0 ±30%<br>MSS1038T-103NL_   10 ±30%<br>MSS1038T-123ML_   12 ±20%<br>MSS1038T-153ML_   15 ±20%|5.2 ±30%<br>MSS1038T-702NL_    7.0 ±30%<br>MSS1038T-103NL_   10 ±30%<br>MSS1038T-123ML_   12 ±20%<br>MSS1038T-153ML_   15 ±20%|22<br>27<br>35<br>41<br>50|37<br>33<br>29<br>25<br>21|3.96 5.28 6.14<br>3.62 4.74 5.60<br>3.04 3.90 4.52<br>2.72 3.48 4.04<br>2.84 3.44 3.86|3.60<br>3.10<br>2.90<br>2.85<br>2.70|5.10<br>4.35<br>4.05<br>4.00<br>3.80|
|MSS1038T-183ML_18 ±20%|18 ±20%|65|18|2.44 3.10 3.52|2.25|3.35|
|MSS1038T-223ML_   22 ±20%<br>MSS1038T-273ML_   27 ±20%<br>MSS1038T-333ML_   33 ±20%<br>MSS1038T-393ML_   39 ±20%<br>MSS1038T-473ML_47 ±20%|MSS1038T-223ML_   22 ±20%<br>MSS1038T-273ML_   27 ±20%<br>MSS1038T-333ML_   33 ±20%<br>MSS1038T-393ML_   39 ±20%<br>47 ±20%|73<br>89<br>93<br>112<br>128|15<br>15<br>13<br>12<br>11|2.34 2.94 3.30<br>1.98 2.48 2.84<br>1.84 2.34 2.62<br>1.60 2.04 2.34<br>1.60 1.98 2.22|1.90<br>1.65<br>1.60<br>1.55<br>1.45|2.85<br>2.35<br>2.30<br>2.25<br>2.20|
|MSS1038T-563ML_   56 ±20%|MSS1038T-563ML_   56 ±20%|180|11|1.48 1.84 2.04|1.40|1.85|
|MSS1038T-683ML_   68 ±20%|MSS1038T-683ML_   68 ±20%|213|10|1.32 1.62 1.82|1.15|1.75|
|MSS1038T-823ML_   82 ±20%<br>MSS1038T-104ML_  100 ±20%<br>MSS1038T-124KL_120 ±10%<br>MSS1038T-154KL_  150 ±10%<br>MSS1038T-184KL_  180 ±10%<br>MSS1038T-224KL_  220 ±10%<br>MSS1038T-274KL_  270 ±10%|MSS1038T-823ML_   82 ±20%<br>MSS1038T-104ML_  100 ±20%<br>120 ±10%<br>MSS1038T-154KL_  150 ±10%<br>MSS1038T-184KL_  180 ±10%<br>MSS1038T-224KL_  220 ±10%<br>MSS1038T-274KL_  270 ±10%|261<br>304<br>380<br>506<br>582<br>756<br>926|8<br>6<br>6<br>6<br>5<br>5<br>4|1.12 1.42 1.60<br>1.02 1.30 1.46<br>0.95 1.18 1.34<br>0.89 1.10 1.22<br>0.89 1.02 1.16<br>0.72 0.88 0.99<br>0.66 0.81 0.91|1.09<br>1.05<br>0.85<br>0.80<br>0.71<br>0.70<br>0.65|1.50<br>1.45<br>1.25<br>1.20<br>0.98<br>0.97<br>0.86|
|MSS1038T-334KL_330 ±10%|330 ±10%|1090|4|0.59 0.73 0.82|0.50|0.69|
|MSS1038T-394KL_  390 ±10%|MSS1038T-394KL_  390 ±10%|1141|4|0.51 0.65 0.74|0.49|0.65|
|MSS1038T-474KL_  470 ±10%|MSS1038T-474KL_  470 ±10%|1243|3|0.50 0.62 0.70|0.45|0.63|
|MSS1038T-564KL_  560 ±10%|MSS1038T-564KL_  560 ±10%|1696|3|0.43 0.53 0.56|0.43|0.59|
|MSS1038T-684KL_  680 ±10%|MSS1038T-684KL_  680 ±10%|1926|3|0.38 0.48 0.52|0.36|0.50|
|MSS1038T-824KL_820 ±10%|820 ±10%|2596|3|0.37 0.46 0.49|0.34|0.47|
|MSS1038T-105KL_ 1000 ±10%|MSS1038T-105KL_ 1000 ±10%|2853|3|0.35 0.43 0.46|0.33|0.45|



## 1. Please specify **termination** and **packaging** codes: 

## **MSS1038T-105KLC** 

**Termination: L** = RoHS compliant matte tin over nickel over copper. **Special order: T** = RoHS tin-silver-copper (95.5/4/0.5) or **S** = non-RoHS tin-lead (63/37). 

**Packaging: C** = 7″ machine-ready reel. EIA-481 embossed plastic tape (250 parts per full reel). 

   - **B** = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. 

   - **D** = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (1000 parts per full reel). 

2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/HP 4263B LCR meter or equivalent. 

3. SRF measured using an Agilent/HP 8753D or equivalent. 

4. DC current at which the inductance drops the specified amount from its value without current. 

5. Current that causes the specified temperature rise from 25°C ambient. 

6. Electrical specifications at 25°C. 

- Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 

Document 843-1 Revised 08/2/11 

Document 843-2 

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## 

## **SMT Power Inductors – MSS1038T** 

## **Typical L vs Current** 

## **Typical L vs Frequency** 

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**----- Start of picture text -----**<br>
10000<br>1000 µH<br>1000<br>270 µH<br>100 µH<br>100<br>27 µH<br>10 µH<br>10<br>1.5 µH<br>1<br>0.01 0.1 1 10<br>Current (A)<br>Inductance (µH)<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
10000<br>1000 µH<br>1000<br>270 µH<br>100 µH<br>100<br>27 µH<br>10 µH<br>10<br>1.5 µH<br>1<br>0.01 0.1 1 10<br>Frequency (MHz)<br>Inductance (µH)<br>**----- End of picture text -----**<br>


## **Typical Current Derating** 

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Dash number<br>0.402 ±0.012 123<br>10,2 ±0,3 X Internal code<br>Parts manufactured prior<br>to Sept. 2007 were marked<br>with only the dash number.<br>0.394 ±0.008<br>10,0 ±0,2<br>0.150 ±0.008<br>3,8 ±0,2<br>Recommended<br>Land Pattern<br>0.047 ±0.008<br>0.14<br>1,2 ±0,2 0.118 ±0.008<br>3,56<br>3,0 ±0,2<br>0.303 ±0.008 0.37 0.07<br>7,7 ±0,2 9,40 1,78<br>Dimensions are in [inches ]<br>mm<br>**----- End of picture text -----**<br>


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Document 843-2 Revised 08/02/11 

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Updated at March 10, 2026

Coilcraft is a globally recognized leader in the design and manufacture of high-performance magnetic components. Renowned for its engineering excellence, reliable delivery, and stringent quality standards, the company provides essential solutions for a wide array of demanding applications, including signal processing, RF, power management, and timing circuits. Our comprehensive portfolio of Coilcraft components is centered on their industry-leading inductor technologies. This encompasses a vast selection of high-efficiency power inductors designed to optimize modern power supply architectures, alongside precision RF inductors engineered to deliver exceptional stability and performance in high-frequency communications and wireless applications. To support complete electromagnetic compatibility and comprehensive circuit design, we also offer a variety of Coilcraft's specialized magnetic solutions. This includes robust common mode chokes and filters for effective EMC and RFI suppression, current sensing transformers, and a selection of inductor kits and assortments that provide design engineers with versatile options for rapid prototyping and development.

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