SYF4020-Xinyuan Technology (Shenzhen) Co., Ltd. Longgang Branch

SYF4020

Dimensions: 4.0×4.0×2.1mm
Inductance Range: 0.12~4.7μH (±20%)
• Ultra-low DCR
• Excellent current-handling capability
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: 20V

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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	SYF4020-121MSN	0.12	1.45	1.6	210	9.1 / 12.9 / 13.7	17.5	22
2	SYF4020-241MSN	0.24	2.45	2.7	125	6.1 / 9.5 / 10.2	15	20
3	SYF4020-331MSN	0.33	3.2	3.85	98	5.9 / 7.4 / 7.8	12.5	17.5
4	SYF4020-471MSN	0.47	4.4	5.1	83	4.6 / 6.6 / 7.5	12	17
5	SYF4020-561MSN	0.56	5.53	6.15	78	4.6 / 6.0 / 6.3	9.5	13
6	SYF4020-102MSN	1	10.8	11.9	64	4.5 / 5.1 / 5.4	8	11
7	SYF4020-152MSN	1.5	14.4	15.8	59	4.1 / 4.4 / 4.6	6.7	9.1
8	SYF4020-222MSN	2.2	21.35	23.5	38	3.1 / 3.5 / 3.7	6	8
9	SYF4020-332MSN	3.3	34.8	38.3	33	2.7 / 2.8 / 2.9	3.9	5.2
10	SYF4020-472MSN	4.7	52.2	57.4	26	2.0 / 2.5 / 2.7	3.6	5

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.

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