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MSS1038T-105KLC
Power Inductor (SMD), 1 mH, 450 mA, Shielded, 350 mA, MSS1038T Series
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: COILCRAFT
- Product type: SMD Power Inductors
- Inductance:1mH; RMS Current (Irms):450mA; Inductor Construction:Shielded; Saturation Current (Isat):350mA; Product Range:MSS1038T Series; Power Inductor Case:10.2mm x 10mm x 3.8mm
- SVHC: No SVHC (25-Jun-2025)
- Inductance: 1mH
- Product Range: MSS1038T Series
- Product Width: 10mm
- Product Height: 3.8mm
- Product Length: 10.2mm
- DC Resistance Max: 2.853ohm
- RMS Current (Irms): 450mA
- Inductance Tolerance: ± 10%
- Inductor Construction: Shielded
- Saturation Current (Isat): 350mA
| Delivery and price | |
|---|---|
| Units per pack | 250 |
| Price | 1.14 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
Web Sample Tools & Support page & buy software & FAQ
Document 843-1
## **MSS1038T High Temp Power 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
**Core and winding loss** See www.coilcraft.com/coreloss **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 (40°C rise) I rms current. **Maximum part temperature** +165°C (ambient + temp rise). Derating. **Storage temperature** Component: –40°C to +165°C. Tape and reel 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** Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf.
|**Part number**1<br>MSS1038T-821NL_ 0.82 ±30%<br>MSS1038T-152NL_ 1.5 ±30%|**DCR SRF**<br> **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|**DCR SRF**<br> **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|**DCR SRF**<br> **typ**3<br>**(MHz) dro**<br>6.0 138<br>8.1<br>81|**Isat (A)**4 **Irms(A)**5<br>**10% 20% 30% 20°C 40°C**<br>**drop drop drop**<br>**rise**<br>**rise**<br>9.00 11.16 12.10<br>7.30 10.0<br>7.40 9.48 11.06<br>5.60<br>7.85<br>~~a~~|**Isat (A)**4 **Irms(A)**5<br>**10% 20% 30% 20°C 40°C**<br>**drop drop drop**<br>**rise**<br>**rise**<br>9.00 11.16 12.10<br>7.30 10.0<br>7.40 9.48 11.06<br>5.60<br>7.85<br>~~a~~|**Isat (A)**4 **Irms(A)**5<br>**10% 20% 30% 20°C 40°C**<br>**drop drop drop**<br>**rise**<br>**rise**<br>9.00 11.16 12.10<br>7.30 10.0<br>7.40 9.48 11.06<br>5.60<br>7.85<br>~~a~~|1. Please specify**termination**and**packaging**codes:<br>**MSS1038T-105KLC**<br>**Termination: L**=RoHS compliant matte tin over<br>nickel over copper.<br>**Special order:**<br>~~L___~~ ~~,__]~~|1. Please specify**termination**and**packaging**codes:<br>**MSS1038T-105KLC**<br>**Termination: L**=RoHS compliant matte tin over<br>nickel over copper.<br>**Special order:**<br>~~L___~~ ~~,__]~~|1. Please specify**termination**and**packaging**codes:<br>**MSS1038T-105KLC**<br>**Termination: L**=RoHS compliant matte tin over<br>nickel over copper.<br>**Special order:**<br>~~L___~~ ~~,__]~~|1. Please specify**termination**and**packaging**codes:<br>**MSS1038T-105KLC**<br>**Termination: L**=RoHS compliant matte tin over<br>nickel over copper.<br>**Special order:**<br>~~L___~~ ~~,__]~~|1. Please specify**termination**and**packaging**codes:<br>**MSS1038T-105KLC**<br>**Termination: L**=RoHS compliant matte tin over<br>nickel over copper.<br>**Special order:**<br>~~L___~~ ~~,__]~~|
|---|---|---|---|---|---|---|---|---|---|---|---|
|MSS1038T-252NL_ 2.5 ±30%|MSS1038T-252NL_ 2.5 ±30%|10|61|5.70 7.62 9.26|4.65|6.65|**T**= RoHS tin-silver-copper (95.5/4/0.5)|||||
|MSS1038T-382NL_ 3.8 ±30%|MSS1038T-382NL_ 3.8 ±30%|13|45|4.94 6.50 7.64|4.25|6.05|or**S**= non-RoHS tin-lead (63/37).|||||
|MSS1038T-522NL_5.2 ±30%|5.2 ±30%|22|37|3.96 5.28 6.14|3.60|5.10|**Packaging: C**= 7″ machine-ready reel. EIA-481|||||
|MSS1038T-702NL_ 7.0 ±30%<br>MSS1038T-103NL_ 10 ±30%<br>MSS1038T-123ML_ 12 ±20%<br>MSS1038T-153ML_ 15 ±20%<br>MSS1038T-183ML_18 ±20%|MSS1038T-702NL_ 7.0 ±30%<br>MSS1038T-103NL_ 10 ±30%<br>MSS1038T-123ML_ 12 ±20%<br>MSS1038T-153ML_ 15 ±20%<br>18 ±20%|27<br>35<br>41<br>50<br>65|33<br>29<br>25<br>21<br>18|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<br>2.44 3.10 3.52|3.10<br>2.90<br>2.85<br>2.70<br>2.25|4.35<br>4.05<br>4.00<br>3.80<br>3.35|embossed plastic tape (250 parts<br>per full reel).<br>**B**= Less than full reel. In tape, but not<br>machine ready. To have a leader<br>and trailer added ($25 charge),<br>use code letter C instead.|||||
|MSS1038T-223ML_ 22 ±20%|MSS1038T-223ML_ 22 ±20%|73|15|2.34 2.94 3.30|1.90|2.85|**D**= 13″ machine-ready reel. EIA-481|||||
|MSS1038T-273ML_ 27 ±20%<br>MSS1038T-333ML_ 33 ±20%<br>MSS1038T-393ML_ 39 ±20%<br>MSS1038T-473ML_47 ±20%<br>MSS1038T-563ML_ 56 ±20%<br>MSS1038T-683ML_ 68 ±20%|MSS1038T-273ML_ 27 ±20%<br>MSS1038T-333ML_ 33 ±20%<br>MSS1038T-393ML_ 39 ±20%<br>47 ±20%<br>MSS1038T-563ML_ 56 ±20%<br>MSS1038T-683ML_ 68 ±20%|89<br>93<br>112<br>128<br>180<br>213|15<br>13<br>12<br>11<br>11<br>10|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<br>1.48 1.84 2.04<br>1.32 1.62 1.82|1.65<br>1.60<br>1.55<br>1.45<br>1.40<br>1.15|2.35<br>2.30<br>2.25<br>2.20<br>1.85<br>1.75|embossed plastic tape. Factory or-<br>der only, not stocked (1000 parts<br>per full reel).<br>2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc<br>using an Agilent/HP 4263B LCR meter or equivalent.<br>3. SRF measured using an Agilent/HP 8753D or<br>equivalent.|||||
|MSS1038T-823ML_ 82 ±20%|MSS1038T-823ML_ 82 ±20%|261|8|1.12 1.42 1.60|1.09|1.50|4. DC current at 25°C that causes the specified induc-|||||
|MSS1038T-104ML_ 100 ±20%|MSS1038T-104ML_ 100 ±20%|304|6|1.02 1.30 1.46|1.05|1.45|tance drop from its value without current.|||||
|MSS1038T-124KL_120 ±10%|120 ±10%|380|6|0.95 1.18 1.34|0.85|1.25|Click for temperature derating information|Click for temperature derating information||Click for temperature derating information.||
|MSS1038T-154KL_ 150 ±10%<br>MSS1038T-184KL_ 180 ±10%<br>MSS1038T-224KL_ 220 ±10%<br>MSS1038T-274KL_ 270 ±10%<br>MSS1038T-334KL_330 ±10%<br>MSS1038T-394KL_ 390 ±10%|MSS1038T-154KL_ 150 ±10%<br>MSS1038T-184KL_ 180 ±10%<br>MSS1038T-224KL_ 220 ±10%<br>MSS1038T-274KL_ 270 ±10%<br>330 ±10%<br>MSS1038T-394KL_ 390 ±10%|506<br>582<br>756<br>926<br>1090<br>1141|6<br>5<br>5<br>4<br>4<br>4|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<br>0.59 0.73 0.82<br>0.51 0.65 0.74|0.80<br>0.71<br>0.70<br>0.65<br>0.50<br>0.49|1.20<br>0.98<br>0.97<br>0.86<br>0.69<br>0.65|5. Current that causes the specified temperature rise<br>from 25°C ambient. This information is for reference<br>only and does not represent absolute maximum<br>ratings.Click for temperature derating information.<br>6. Electrical specifications at 25°C.<br>Refer to Doc 362 “Soldering Surface Mount Components”<br>before soldering.|||||
|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||||||
- **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.
4. DC current at 25°C that causes the specified inductance drop from its value without current. Click for temperature derating information.
5. Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Click for temperature derating information.
6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
**US** +1-847-639-6400 sales@coilcraft.com **UK** +44-1236-730595 sales@coilcraft-europe.com **Taiwan** +886-2-2264 3646 sales@coilcraft.com.tw **China** +86-21-6218 8074 sales@coilcraft.com.cn **Singapore** + 65-6484 8412 sales@coilcraft.com.sg
## Document 843-1 Revised 03/31/16
© Coilcraft Inc. 2017 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information.
Document 843-2
##
## **SMT Power Inductors – MSS1038T**
## **Typical L vs Current**
**==> picture [245 x 459] intentionally omitted <==**
**----- 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>Dash<br>0.402 ±0.012* 123 number<br>10,2 ±0,3 X Internalcode to Sept. 2007 were markedParts manufactured prior<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>0.311 ±0.012 0.37 0.07<br>7,9 ±0,3 9,40 1,78<br>Inductance (µH)<br>**----- End of picture text -----**<br>
## **Typical L vs Frequency**
**==> picture [245 x 203] intentionally omitted <==**
**----- 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>
*Dimensions are of the case not including the termination. For maximum overall dimensions including the termination, add 0.005 in / 0,13 mm.
Dimensions are in[inches ]
mm
**==> picture [117 x 44] intentionally omitted <==**
Document 843-2 Revised 03/31/16
**US** +1-847-639-6400 sales@coilcraft.com **UK** +44-1236-730595 sales@coilcraft-europe.com **Taiwan** +886-2-2264 3646 sales@coilcraft.com.tw **China** +86-21-6218 8074 sales@coilcraft.com.cn **Singapore** + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2017 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information.
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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