DEM3512C Murata Wire Wound Ferite Inductor 3735
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- 11 part numbers in this series
- Case size 3735
- Inductance 0.68 to 22 μH
- Operating temperature -40～85℃
The Murata DEM3512C series covers 11 part numbers across case sizes 3735. All parts in the series share the same construction and qualification, and differ in the values listed in the table below — so a design can move up or down the range without changing footprint.
Part Number List
| Part Number | Specification |
|---|---|
| 1229AS-H-100M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,10μH ±20%,0.1MHz,750mA |
| 1229AS-H-120M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,12μH ±20%,0.1MHz,650mA |
| 1229AS-H-150M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,15μH ±20%,0.1MHz,590mA |
| 1229AS-H-1R0N# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,1μH ±30%,0.1MHz,2,050mA |
| 1229AS-H-1R5N# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,1.5μH ±30%,0.1MHz,1,650mA |
| 1229AS-H-220M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,22μH ±20%,0.1MHz,500mA |
| 1229AS-H-2R0M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,2μH ±20%,0.1MHz,1,500mA |
| 1229AS-H-3R3M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,3.3μH ±20%,0.1MHz,1,300mA |
| 1229AS-H-4R7M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,4.7μH ±20%,0.1MHz,1,100mA |
| 1229AS-H-6R8M# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,6.8μH ±20%,0.1MHz,900mA |
| 1229AS-H-R68N# | 3.7m ±0.2m,3.5m ±0.2m,1.2m,0.68μH ±30%,0.1MHz,2,500mA |
11 part numbers in this series, sorted by part number.
Selection Notes
- Rated current is quoted against two different criteria — inductance drop and temperature rise. The usable current is the lower of the two for your application.
- DC resistance sets the copper loss. In high-current paths the DCR term can dominate the total loss budget, so compare DCR before inductance tolerance.
- Shielded construction keeps the field inside the package. Unshielded parts are smaller and cheaper but radiate into neighbouring traces.
- Saturation behaviour is soft in metal-alloy parts and sharp in ferrite. Choose according to whether the fault current must be limited or simply ridden through.
Common Questions
How many part numbers are in the DEM3512C series?
11. The table above lists every one, sorted by part number.
What do the parts in the DEM3512C series have in common?
They share the same inductor construction and case-size family; the differences are the electrical values shown per row.
Where can I find the full specification for a DEM3512C part?
Each part number links to Murata's official product page, which carries the detailed specification sheet, reliability data and simulation models.
Official documentation: 1229AS-H-100M# on murata.com — detailed specification sheet, reliability test data and S-parameter / SPICE models.
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