SYP4040-Xinyuan Technology (Shenzhen) Co., Ltd. Longgang Branch

SYP4040

Dimensions: 4.0×4.0×4.1mm
Inductance Range: 0.15~22μH (±20%)
• Lowest DCR, exceptionally low AC losses
• Excellent current-handling capability, soft saturation characteristics
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	SYP4040-151MSN	0.15	1.5	1.8	190	8.9 / 15.1 / 21.0	22.3	30.2
2	SYP4040-301MSN	0.3	2.2	2.6	120	7.0 / 11.1 / 15.3	17.7	24.6
3	SYP4040-471MSN	0.47	2.8	3.2	90	6.0 / 9.4 / 12.2	15.1	20.8
4	SYP4040-681MSN	0.68	3.5	4	72	5.3 / 8.0 / 10.5	12.8	18.3
5	SYP4040-102MSN	1	4.8	5.6	55	4.5 / 7.0 / 9.3	10.2	14.8
6	SYP4040-152MSN	1.5	6.8	7.9	47	3.7 / 5.9 / 7.9	8.7	12.5
7	SYP4040-222MSN	2.2	10.1	11.5	37	3.1 / 4.7 / 6.4	8	11
8	SYP4040-332MSN	3.3	15	16.6	32	2.6 / 4.0 / 5.5	6.8	8.7
9	SYP4040-472MSN	4.7	22.2	24.5	24	2.1 / 3.3 / 4.4	5.3	7.1
10	SYP4040-682MSN	6.8	31.5	34.7	20	1.9 / 3.0 / 4.0	4.2	5.6
11	SYP4040-822MSN	8.2	37.4	41.2	18	1.6 / 2.5 / 3.3	4.1	5.4
12	SYP4040-103MSN	10	45.8	50.5	17	1.4 / 2.2 / 2.8	3.7	5
13	SYP4040-153MSN	15	74.5	82.2	12	1.2 / 1.9 / 2.5	2.7	3.6
14	SYP4040-223MSN	22	104	114.7	10	0.9 / 1.4 / 1.9	2.5	3.3

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

SYP2DDimension Drawing4040_01.png

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