Product comparison · 2 network transceiver modules

LevelOne 1.25Gbps Copper SFP Transceiver, 100m, RJ45 vs LevelOne 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm

23specifications compared
5differ
18identical
11known for one product only

Key differences

SFP transceiver type
- 1.25Gbps Copper SFP Transceiver, 100m, RJ45:Copper
- 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:Fiber optic
Maximum transfer distance
- 1.25Gbps Copper SFP Transceiver, 100m, RJ45:100 m
- 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:40000 m
Networking standards
- 1.25Gbps Copper SFP Transceiver, 100m, RJ45:IEEE 802.3, IEEE 802.3ab
- 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:IEEE 802.3ah
Maximum voltage
- 1.25Gbps Copper SFP Transceiver, 100m, RJ45:4 V
- 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:6 V
Maximum current
- 1.25Gbps Copper SFP Transceiver, 100m, RJ45:0.375 A
- 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:0.3 A

Side by side

Differences highlightedShow differences only

Comparison of SFP-3841, SFP-9421
34 specifications	A LevelOne 1.25Gbps Copper SFP Transceiver, 100m, RJ45 Model SFP-3841 View product	B LevelOne 1.25Gbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm Model SFP-9421 View product
Performance3 differ
SFP transceiver typeDiffers	Copper	Fiber optic
Maximum data transfer rate	1250 Mbit/s	1250 Mbit/s
Interface type	SFP	SFP
Single-mode fiber (SMF) supportedKnown for one	Unknown — not stated by the source	Yes
Fiber optic connectorKnown for one	Unknown — not stated by the source	LC
Fiber cable diameters supported (core/cladding)Known for one	Unknown — not stated by the source	9/125 µm
Maximum transfer distanceDiffers	100 m	40000 m
Tx power (min)Known for one	Unknown — not stated by the source	-3 dBmW
Tx power (max)Known for one	Unknown — not stated by the source	2 dBmW
Networking standardsDiffers	IEEE 802.3, IEEE 802.3ab	IEEE 802.3ah
Fiber ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Featuresidentical
Hot-swap	Yes	Yes
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
Power2 differ
Input voltage	3.3 V	3.3 V
Maximum voltageDiffers	4 V	6 V
Maximum currentDiffers	0.375 A	0.3 A
Certificatesidentical
Compliance certificates	RoHS	RoHS
SafetyKnown for one	Unknown — not stated by the source	EN 60825-1
Certification	CE, FCC	CE, FCC
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Weight & dimensionsidentical
Width	57 mm	57 mm
Depth	12 mm	12 mm
Height	13.7 mm	13.7 mm
Weight	20 g	20 g
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Packaging dataidentical
Package width	106 mm	106 mm
Package depth	20 mm	20 mm
Package height	65 mm	65 mm
Package weight	35 g	35 g
Logistics dataidentical
Harmonized System (HS) code	85369010	85369010
Country of originKnown for one	China	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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