Ethernet PHY
JL4201-NI Ethernet PHY
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01Specifications
JL4201-NI specifications
ParameterValue
Series
JL4201 series
Data Rate
2.5G
Ports
1
MAC Interface
SGMII; H-SGMII; 2500Base-X
V（if）
NA
Copper Port
10 Bsae-T; 100 Bsae-TX; 1000 Bsae-T; 2500 Bsae-T
Optical Port
2500 Base-X
Mode
(H)SGMII-COP; 2500 Base-X-COP
Temperature
-40~85℃
Package
QFN48
Size
6*6 mm
Values are taken from published parameters; the datasheet prevails.
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02Documents
Datasheet, CAD and reports
-
JL4201-NI Datasheet (PDF)2025-10-29 · This part Download ↓
-
Quality certificates (ISO / RoHS / REACH)Latest · All products View →
JL4201-NINeed another file format, or samples to test? Ask our FAE team.
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03Quality
Quality and compliance
DocumentNo.Issued / tested byDateApplies toActions
Certificate
Certificate · Company
ISO 9001:2015No. 19826Q02503R101
Quality management systemBeijing Xinjiyuan Certification Co., Ltd.Valid 2026-10-17 to 2029-10-16
19826Q02503R101
Beijing Xinjiyuan Certification Co., Ltd.
Valid2026-10-17 to 2029-10-16
Company
View PDF →
Verify →
Scope: R&D and sales of precision electronic connectors
Certificate
Certificate · Company
ISO 14001:2015No. 19826E01323R101
Environmental management systemBeijing Xinjiyuan Certification Co., Ltd.Valid 2026-10-17 to 2029-10-16
19826E01323R101
Beijing Xinjiyuan Certification Co., Ltd.
Valid2026-10-17 to 2029-10-16
Company
View PDF →
Verify →
Scope: R&D and sales of precision electronic connectors ISO certificates cover VOOHU's management systems.
04Compare
Same-series Comparison
Red marks values that differ from this part; data from the published parameters of each part.
Series
JL4201 series
JL4201 series
Data Rate
2.5G
2.5G
Ports
1
1
MAC Interface
SGMII; H-SGMII; 2500Base-X
SGMII; H-SGMII; 2500Base-X
Copper Port
10 Bsae-T; 100 Bsae-TX; 1000 Bsae-T; 2500 Bsae-T
10 Bsae-T; 100 Bsae-TX; 1000 Bsae-T; 2500 Bsae-T
Optical Port
2500 Base-X
2500 Base-X
Mode
(H)SGMII-COP; 2500 Base-X-COP
(H)SGMII-COP; 2500 Base-X-COP
Temperature
-40~85℃
0~70℃
Package
QFN48
QFN48
Size
6*6 mm
6*6 mm
JL4201-NINot sure which part in the series fits? Ask our FAE team which one to sample.
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05Support
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01Replace your current partShare the part number you use today. An engineer compares pinout, package, electrical parameters and temperature range item by item, and lists the differences and open points.Start a replacement review →
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03Unstable link after useSeeing link drops, interference or failed tests? Send us the symptoms and conditions and get an FAE-reviewed troubleshooting checklist.Start troubleshooting →
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Typical application
