Product Overview
The ZEMS0420 is an integrated molding power inductor designed for high-density installation. It features low DC resistance, ultra-high current capability in a thin design, and magnetic shielding for strong anti-electromagnetic interference. Its composite structure ensures ultra-low buzz noise and high reliability with excellent vibration resistance. This inductor is suitable for various applications including PDA, notebook, desktop, server applications, high current POL converters, battery-powered devices, and DC/DC converters in distributed power systems.
Product Attributes
- Brand: (ZENS)
- Origin: Dongguan, China
- Material: Low loss alloy powder
- Certifications: RoHS, Halogen Free, REACH Compliant
Technical Specifications
| Part No. | Inductance (H) | Tolerance | Test Frequency/Voltage | DCR (m) Typical | Saturation Current (A) Typical | Temperature Rise Current (A) Typical |
| ZEMS0420-150M | 15.00 | 20% | 100kHz/1.0V | 280.00 | 2.00 | 1.50 |
| ZEMS0420-220M | 22.00 | 20% | 100kHz/1.0V | 450.00 | 2.00 | 1.50 |
Environmental Data
Operating Temperature: -55 to +125 (Including coils self-temperature rise)
Product Identification
Product Symbol: ZEMS M
Dimension (LWH): 0420 (4.4x4.2x1.8 mm)
Inductance Nominal Value: 10uH
Inductance Tolerance: M (20%)
Shape and Dimensions
Dimensions (mm): L: 4.400.30, W: 4.200.25, H: 1.80.2
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 245 5 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 40 2 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, time(303) min (852) /(303) min, conversion time (2~3) min, cycle 5 times; Tested after 2 hours at room temperature. |
| Mechanical Shock | No evidence of terminal peel off and wire broken. | Inductors shall be Soldering on the PCB with 1.0mm thick and fixed them in a 15cm big., 1.4Kg weight cube with brass base, let it nature fallen form 0.5m height (X,Y,Z three axes). |
| Adhesion of terminal electrode | Strong bond between the pad and the core, without come off. | Inductors shall be subjected to 260 5 for 20 s5 s Soldering in the base whit 0.3mm solder. And then aplomb electrode way plus tax 10 N for 10 1s seconds. |
Packaging
Tape and Reel Specifications: (Dimensions are in mm)
Reel dimensions (mm): W:12.0, P:8.0, W1:5.5, A:24.4, B:60, C:13, D:330
Packing quantity: Reel: 3000 PCS (ZEMS0420)
Recommended Soldering Profile
Applicable soldering process: Reflow soldering.
Soldering Materials: Solder: Sn-3.0Ag-0.5Cu; Flux: Use rosin-based flux, but not strongly acidic flux (with chlorine exceeding 0.2 wt%). Do not use water-soluble flux.
Inspection Rules
Inspection Standard: GB/T2828.1-2003. Appearance and dimensions, , AQL=0.4; L0A and L30DC, S-4, AQL=0.15.
Customer Acceptance Period: Within one month after receiving the products.
Storage Methods
Storage Period: Use within 6 months from the time of delivery. If storage exceeds 6 months, confirm solderability before use.
Storage Conditions: Temperature: -10 ~ +40; Relative Humidity: 30~70%RH. Avoid rapid changes in temperature and humidity, chemical environments, bulk packaging, and direct sunlight.
2410221436_ZE-ZEMS0420-220M_C41438718.pdf
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