DO3340P-333MLD
Power Inductor (SMD), 33 µH, 2 A, Unshielded, 4 A, DO3340P Series
- Manufacturer: COILCRAFT
- Product type: SMD Power Inductors
- Inductance:33µH; RMS Current (Irms):2A; Inductor Construction:Unshielded; Saturation Current (Isat):4A; Product Range:DO3340P Series; Power Inductor Case:12.95mm x 9.4mm x 11.43mm; DC Res
- SVHC: No SVHC (25-Jun-2025)
- Inductance: 33µH
- Product Range: DO3340P Series
- Product Width: 9.4mm
- Product Height: 11.43mm
- Product Length: 12.95mm
- DC Resistance Max: 0.08ohm
- RMS Current (Irms): 2A
- Power Inductor Case: 12.95mm x 9.4mm x 11.43mm
- Inductance Tolerance: ± 20%
- Inductor Construction: Unshielded
- Saturation Current (Isat): 4A
| Delivery and price | |
|---|---|
| Units per pack | 225 |
| Price | 1.28 € |
| Current stock | 10+ |
| Lead time | 30 days |
Web Sample Tools & Support page & buy software & FAQ Document 171-1 ## **– SMT Power Inductors DO3340P** - Excellent current handling – up to 3.5 Arms with an 8 A saturation current rating for a 10 µH part. **Designer’s Kit C310** contains 3 of each part **Core material** Ferrite **Core and winding loss** See www.coilcraft.com/coreloss **Terminations** RoHS compliant electroplated gold (<50 µin) over nickel over phos bronze. Other terminations available at additional cost. **Weight** 1.8 – 2.8 g **Ambient temperature** –40°C to +85°C with I rms current **Maximum part temperature** +105°C (ambient + temp rise) **Storage temperature** Component: –40°C to +105°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) **Packaging** 225 per 13″ reel Plastic tape: 24 mm wide, 0.4 mm thick, 24 mm pocket spacing, 11.4 mm pocket depth **PCB washing** Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf. ||**L**|**DCR**|**SRF**||| |---|---|---|---|---|---| |**Part**|**±20%**2|**max**|**typ**|**Isat**3|**Irms**4| |**number**1|**(µH)**|**(Ohms)**|**(MHz)**|**(A)**|**(A)**| |DO3340P-103ML_|10|0.040|35|8.0|3.5| |DO3340P-153ML_|15|0.050|18|7.0|3.0| |DO3340P-223ML_|22|0.066|13|5.5|2.5| |DO3340P-333ML_|33|0.080|11|4.0|2.0| |DO3340P-473ML_|47|0.110|9.0|3.8|1.6| |DO3340P-683ML_|68|0.17|7.0|3.0|1.2| |DO3340P-104ML_|100|0.22|5.5|2.5|1.2| |DO3340P-154ML_|150|0.34|4.5|2.0|0.9| |DO3340P-224ML_|220|0.44|3.5|1.6|0.7| |DO3340P-334ML_|330|0.70|3.0|1.2|0.6| |DO3340P-474ML_|470|0.95|2.5|1.0|0.3| |DO3340P-684ML_|680|1.15|2.0|1.0|0.2| |DO3340P-105ML_|1000|2.0|1.5|0.8|0.1| 1. When ordering, please specify **termination** and **packaging** codes: | ~~———_~~ **DO3340P-105MLD** **Termination: L** = RoHS compliant gold over nickel over phos bronze. **Special order: T** = RoHS tin-silver-copper (95.5/4/0.5) or **S** = non-RoHS tin-lead (63/37). **Packaging: D** = 13″ machine-ready reel. EIA-481 embossed plastic tape (225 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge). - **B** = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D. 2. Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/HP 4263B LCR meter or equivalent. 3. DC current at which inductance drops 10% (typ) from its value without current. 4. Current that causes a 20°C temperature rise from 25°C ambient 5. 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 171-1 Revised 01/12/11 © Coilcraft Inc. 2021 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 171-2 ## **SMT Power Inductors – DO3340P Series Typical L vs Frequency** ## **Typical L vs Current** **==> picture [243 x 186] intentionally omitted <==** **----- Start of picture text -----**<br> 10000<br>1000 µH<br>1000<br>100 µH<br>100<br>10 µH<br>10<br>1<br>0.01 0.1 1 10<br>Frequency (MHz)<br>Inductance (µH)<br>**----- End of picture text -----**<br> **==> picture [244 x 185] intentionally omitted <==** **----- Start of picture text -----**<br> 10000<br>1000 µH<br>1000<br>100 µH<br>100<br>10 µH<br>10<br>1<br>0.1 1 10 100<br>Current (A)<br>Inductance (µH)<br>**----- End of picture text -----**<br> **==> picture [233 x 276] intentionally omitted <==** **----- Start of picture text -----**<br> 0.510 *<br>12,95 [max] Internal code Dash number<br>0.370<br>9,40 [max] Start Finish<br>Part marking since Feb. 2005.<br>Parts manufactured prior to that<br>0.333 date may have color dots. Visit<br>8,47 typ www.coilcraft.com/colrpowr.cfm<br>for color dot marking details.<br>0.450 * * Allow an additional 0.01/0,254<br>max in length and 0.005/0,127 in<br>11,43 height for optional tin-lead and<br>tin-silver-copper application.<br>Recommended<br>Land Pattern<br>0.145<br>0.100 0.110<br>3,69 0.405<br>2,54 2,79<br>10,29<br>0.115<br>2,92<br>0.300 0.100<br>7,62 2,54<br>Dimensions are in [inches ]<br>mm<br>X<br>XXX<br>**----- End of picture text -----**<br> **==> picture [118 x 44] intentionally omitted <==** Document 171-2 Revised 01/12/11 © Coilcraft Inc. 2021 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. **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
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.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →