SYP4020-Xinyuan Technology (Shenzhen) Co., Ltd. Longgang Branch

SYP4020

Dimensions: 4.0×4.0×2.1mm
Inductance Range: 0.04~8.2μH (±20%)
• Lowest DCR, ultra-low AC loss across wide frequency band
• Excellent current-handling capability, soft saturation characteristics
• Wide inductance range up to 8.2µH
Core Material: Composite magnetic powder core
Environmental Rating: RoHS compliant, Halogen-free
Terminal Plating: Ni-Sn (customizable SAC/SP)
Anti-rust Treatment: Terminal anti-rust plating
Operating Temperature: -40℃ ~ +125℃
Max. Component Temperature: +165℃ (ambient + temp rise)
Storage Temperature: -55℃~+165℃ (bulk); -55~+80℃ (reel)
Reflow Soldering: Max. 3 cycles, 260℃/40s
MSL Rating: Level 1, unlimited floor life
Rated Voltage: 80V

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Specifications

No.	Part Number	Inductance ±20% (μH)	DCR typ (mΩ)	DCR max (mΩ)	SRF typ (MHz)	Isat (A)10%-30%	Irms 20℃ rise (A)	Irms 40℃ rise (A)
1	SYP4020-400MSN	0.04	0.66	0.78	770	16.7 / 28.0 / 41.0	35	45
2	SYP4020-111MSN	0.11	1.4	1.7	250	14.0 / 21.0 / 29.0	20.5	29
3	SYP4020-251MSN	0.25	2.5	3	130	7.5 / 12.0 / 16.5	18	24
4	SYP4020-331MSN	0.33	3	3.6	110	6.4 / 10.6 / 15.2	16.5	23
5	SYP4020-471MSN	0.47	4.2	5.1	95	6.1 / 9.7 / 13.4	14.3	19.7
6	SYP4020-601MSN	0.6	5.1	5.9	80	4.9 / 8.2 / 11.7	13.5	18.4
7	SYP4020-821MSN	0.82	7.7	8.6	65	3.9 / 6.8 / 9.4	11.2	14
8	SYP4020-102MSN	1	8.2	9	60	3.8 / 6.3 / 8.8	8.8	12
9	SYP4020-152MSN	1.5	13	14.3	45	3.2 / 5.3 / 7.5	8	11.1
10	SYP4020-222MSN	2.2	19.5	21.5	40	2.7 / 4.4 / 6.2	6.7	8.9
11	SYP4020-332MSN	3.3	30.8	34	30	2.2 / 3.5 / 4.8	4.9	6.6
12	SYP4020-472MSN	4.7	43	47.3	23	1.9 / 3.0 / 4.1	4.1	5.6
13	SYP4020-562MSN	5.6	48.7	53.6	22	1.7 / 2.7 / 3.7	3.9	5.3
14	SYP4020-682MSN	6.8	63.6	70	21	1.6 / 2.5 / 3.4	3.1	4.2
15	SYP4020-822MSN	8.2	71	78.1	20	1.4 / 2.3 / 3.2	3	4.1

Inductance: 1MHz, 0.1Vrms, 0Adc test condition, Ta=25℃.
DCR: DC micro-ohmmeter measurement.
SRF: High-precision network analyzer test.
Isat: DC current at which inductance drops by specified percentage at 25℃; derating required for high-temperature applications.
Irms: DC current causing specified temperature rise (20℃/40℃); for reference only, actual verification required in end-system testing.
Terminal Code: SN=Sn-Ni, SAC=Sn-Ag-Cu; SP=Sn-Pb (non-RoHS).
Packaging: Tape & reel, complies with EIA-481 standards; supports 7-inch / 13-inch reels.
Electrical Test Conditions: Ta=25℃, specifications subject to change without notice.

Features

· Lowest DC resistance with significantly reduced AC losses, outstanding performance at high frequencies

· Higher inductance in the same PCB footprint; smaller footprint for the same inductance, ideal for high-density layouts

· Substantially enhanced Irms (temp rise current) and Isat (saturation current), resulting in lower heat generation and higher efficiency

Applications

· Servers, PC motherboard VRM/VRD, CPU core power delivery (Core Application)

· High-density high-current power modules, high-performance FPGA/SoC power stages

· Industrial high-power systems requiring high efficiency and low temperature rise

· Automotive electronics and telecom equipment with strict dimensional constraints

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