SFP28 Optical Transceiver - Hirundo Communication Equipment - Professional Manufacturer and Solution Provider

Hirundo’s25G SFP28 series optical module products include SR, LR,ER, CWDM, DWDM, LWDM, MWDM and other series. The LC optical port features low power consumption, small size, high reliability, and wide temperature range. It is mainly applied to data center server access and 5G pretransmission.

Order information

Parameter	Symbol	Unit	Min	Typ	Max	Notes
Supply Voltage	VCC	V	3.14		3.46
Supply Current	ICC	A			0.3
Power Consumption	Pc	W			1
Transmitter
Signaling rate per lane		Gbps		25.78
Input Differential Impedance	RIN	Ω	90	100	110
Differential data input swing	VIN	mVp-p	200		600
Receiver
Signaling rate per lane		Gbps		25.78
Output Differential Impedance	RouT	Ω	90	100	110
Differential data output swing	VouT	mVp-p	300		900
IIC communication
IIC Clock frequency	-	KHZ	100		400

Specifications

Parameter	Symbol	Unit	Min	Typ	Max	Notes
Transmitter
Signaling rate per lane		Gbps		25.78
Center wavelength	入c	nm	840		860
RMS Spectral Width	SW	nm			0.6
Optical Output Power	Pout	dBm	-6.4		2.4
Extinction Ratio	ER	dB	2
Optical Power OMA	PoMA	dBm	-8.5
Average Launch Power of OFF transmitter	PoFF	dBm			-30
Relative Intensity Noise	RIN	dB/Hz			-128
Transmitter Eye mask definition {X1,X2,X3,Y1,Y2,Y3}			Compliant with IEEE 802.3by
Receiver
Signaling rate per lane		Gbps		25.78
Center wavelength	入IN	nm	840		860
Receiver Sensitivity	RsENSE	dBm			-10.3	Note1
Receiver Overload	Pin	dBm			3
Receiver Reflectance	Rfl	dB			-12
LOS De-Assert	LOSD	dBm			-13
LOS Assert	LOSA	dBm	-30
LOS Hysteresis		dB	0.5		5