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Specifications
Current Rating:
7.8A
Inductance:
10uH
Tolerance:
±20%
DC Resistance(DCR):
37mΩ
Type:
Molded Inductor
Current - Saturation(Isat):
8.5A
Mfr. Part #:
ZEMS1040-100M
Package:
SMD,11.5x10mm
Key Attributes
Model Number:
ZEMS1040-100M
Product Description
Product Overview
The ZEMS1040 is an integrated molding power inductor designed for high-density installations. It features low DC resistance, ultra-high current capability, magnetic shielding for strong anti-electromagnetic interference, and excellent vibration resistance due to its integral construction. This inductor offers high efficiency with low DC resistance and low eddy-current loss, making it suitable for various DC/DC converter applications.
Product Attributes
- Brand: (Zengyi Industrial)
- Origin: Dongguan, China
- Certifications: RoHS, Halogen Free, REACH Compliant
Technical Specifications
| Part No. | Inductance (H) | Tolerance | Test Frequency/Voltage | DCR Max (m) | Saturation Current Isat (A) | Temperature Rise Current Irms (A) |
| ZEMS1040-R015M | 0.15 | 20% | 100kHz/1.0V | 0.65 | 75.00 | 45.00 |
| ZEMS1040-R022M | 0.22 | 20% | 100kHz/1.0V | 1.20 | 60.00 | 35.00 |
| ZEMS1040-R030M | 0.30 | 20% | 100kHz/1.0V | 1.20 | 50.00 | 35.00 |
| ZEMS1040-R036M | 0.36 | 20% | 100kHz/1.0V | 1.70 | 50.00 | 30.00 |
| ZEMS1040-R047M | 0.47 | 20% | 100kHz/1.0V | 1.90 | 40.00 | 30.00 |
| ZEMS1040-R056M | 0.56 | 20% | 100kHz/1.0V | 2.10 | 33.00 | 25.00 |
| ZEMS1040-R068M | 0.68 | 20% | 100kHz/1.0V | 2.30 | 30.00 | 23.00 |
| ZEMS1040-R080M | 0.80 | 20% | 100kHz/1.0V | 2.50 | 29.00 | 23.00 |
| ZEMS1040-1R0M | 1.00 | 20% | 100kHz/1.0V | 3.00 | 28.00 | 19.00 |
| ZEMS1040-1R5M | 1.50 | 20% | 100kHz/1.0V | 4.00 | 26.00 | 16.00 |
| ZEMS1040-2R2M | 2.20 | 20% | 100kHz/1.0V | 7.00 | 18.00 | 12.00 |
| ZEMS1040-3R3M | 3.30 | 20% | 100kHz/1.0V | 10.80 | 16.00 | 11.00 |
| ZEMS1040-4R7M | 4.70 | 20% | 100kHz/1.0V | 17.00 | 15.00 | 9.00 |
| ZEMS1040-5R6M | 5.60 | 20% | 100kHz/1.0V | 20.00 | 12.00 | 8.50 |
| ZEMS1040-6R8M | 6.80 | 20% | 100kHz/1.0V | 22.50 | 12.00 | 8.50 |
| ZEMS1040-8R2M | 8.20 | 20% | 100kHz/1.0V | 25.50 | 9.00 | 8.00 |
| ZEMS1040-100M | 10.00 | 20% | 100kHz/1.0V | 34.00 | 8.50 | 7.80 |
| ZEMS1040-150M | 15.00 | 20% | 100kHz/1.0V | 50.00 | 7.00 | 6.50 |
| ZEMS1040-220M | 22.00 | 20% | 100kHz/1.0V | 60.00 | 6.00 | 5.00 |
| ZEMS1040-330M | 33.00 | 20% | 100kHz/1.0V | 85.00 | 5.00 | 4.40 |
| ZEMS1040-470M | 47.00 | 20% | 100kHz/1.0V | 141.00 | 4.50 | 3.30 |
| ZEMS1040-560M | 56.00 | 20% | 100kHz/1.0V | 141.00 | 3.20 | 2.80 |
| ZEMS1040-680M | 68.00 | 20% | 100kHz/1.0V | 200.00 | 3.80 | 2.50 |
| ZEMS1040-820M | 82.00 | 20% | 100kHz/1.0V | 180.00 | 2.80 | 2.30 |
| ZEMS1040-101M | 100.00 | 20% | 100kHz/1.0V | 237.00 | 2.50 | 2.00 |
Applications
- PDA, notebook, desktop, server applications
- High current POL converters
- Battery powered devices
- DC/DC converters in distributed power systems
Environmental Data
- Operating Temperature: -55 to +125 (Including self-temperature rise)
Test Equipment
- Inductance (L): WK3260B LCR meter or equivalent
- Saturation Current (Isat) & Temperature Rise Current (Irms): WK3260B+WK3265B
- DC Resistance (DCR): Chroma 16502 or equivalent
Reliability Data
| Item | Requirements | Test Methods and Remarks |
| Operating Temperature Range | -55+125 | Including self-heating temperature rise. |
| Solderability | 90% or more of electrode area shall be coated by new solder. | Dip pads in flux and dip in solder pot (96.5Sn/3.0Ag/0.5Cu) at 2455 for (51) seconds. |
| Resistance to Soldering Heat | No visible mechanical damage. Inductance change: Within 10% | Dip pads in flux and dip in solder pot (96.5Sn/3.0Ag/0.5Cu) at 2605 for (101) seconds. |
| Low temperature storage | No visible mechanical damage. Inductance change: Within 10% | Store temperature -552 for total 1000hr. |
| High temperature storage | No visible mechanical damage. Inductance change: Within 10% | Store temperature 1252 for total 1000hr. |
| Static Humidity | No visible mechanical damage. Inductance change: Within 10% | Inductors shall be subjected to (933)%RH at 402 for 96 h2 h. Inductors are to be tested after having air dried for 2 hours. |
| Thermal shock | No visible mechanical damage. Inductance change: Within 10% | (-403) for (303) min (852) for (303) min, conversion time (2~3) min, cycle 5 times; tested after 2 hours air drying at room temperature. |
| Mechanical Shock | No evidence of terminal peel off and wire broken. | Soldered on a 1.0mm thick PCB and fixed in a 15cm cube (brass, 1.4Kg), then dropped from 0.5m height (X, Y, Z axes, one time each). |
| Adhesion of terminal electrode | Strong bond between the pad and the core, without come off. | Soldered at 2605 for 20s5s on a substrate with 0.3mm solder paste. Apply 10N force vertically to the electrode surface for 10s1s. |
2410081701_ZE-ZEMS1040-100M_C41415635.pdf
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