FSFP-C8-S35-20D Small Form Factor Pluggable SFP transceivers are compliant with the current SFP

Multi-Source Agreement (MSA) Specification. The high performance uncooled 1310nm FP transmitter and high sensitivity PIN receiver provide superior

performance for Gigabit Ethernet 1000BASE-BX10 and Fiber Channel 1GFC applications up to SMF 20km

optical links.

Applications:

• Gigabit Ethernet 1000BASE-BX10 @1.25G

• Fiber Channel 1GFC @1.0625G

Laser Safety:

• This is a Class 1 Laser Product complies with 21CFR 1040.10 and 1040.11 except for conformance with IEC 60825-1 Ed. 3., as described in Laser Notice No. 56, dated May 8, 2019.

• Caution: Use of control or adjustments or performance of procedure other than those specified herein may result in hazardous radiation exposure.

Absolute Maximum Ratings:

 

Parameters	Symbol	Min.	Max.	Unit
Storage Temperature	TST	-40	+85	°C
Storage Relative Humidity	RH	5	95	%
Supply Voltage	VCC	-0.5	+4.0	V

Recommended Operating Conditions:

 

Parameters	Symbol	Min.	Typ.	Max.	Unit
Case Operating Temp. (FSFP-C8-S35-20D)	TOP	0	–	+70	°C
Case Operating Temp. (FSFP-C8-S35-20Di)	TOP	-40	–	+85	°C
Supply Voltage	VCC	+3.13	+3.3	+3.47	V
Supply Current (FSFP-C8-S35-20D)	ICC			250	mA
Supply Current (FSFP-C8-S35-20Di)	ICC			280	mA

 

Transmitter Electro-optical Characteristics:

VCC= 3.13V to 3.47V, TOP = 0 °C to 70 °C (FSFP-C8-S35-20D); TOP = -40 °C to 85 °C (FSFP-C8-S35-20Di)

 

Parameters	Symbol	Min.	Typ.	Max.	Unit	Note
Operating Data Rate	DR	1.0625	1.25		Gb/s
Optical Launch Power	Po	-8		-2	dBm	1
Optical Center Wavelength	λc	1270	1310	1355	nm
Spectral Width (RMS)	Δλ			3	nm
Optical Extinction Ratio	ER	9			dB
Optical Eye Mask		IEEE802.3z
Relative Intensity Noise	RIN			-120	dB/Hz
Differential Data Input Swing	VIN	180		1200	mV
TX Disable Input Voltage-Low (TX ON)	TDISVL	GND		0.8	V
TX Disable Input Voltage-High (TX OFF)	TDISVH	2.0		Vcc	V
TX Fault Output Voltage-Low (TX Normal)	TFLTVL	GND		0.8	V
TX Fault Output Voltage-High (TX Fault)	TFLTVH	2.0		Vcc	V

Note1: The optical power is launched into a 9/125μm single mode fiber.

Receiver Electro-optical Characteristics:

VCC= 3.13V to 3.47V, TOP = 0 °C to 70 °C (FSFP-C8-S35-20D); TOP = -40 °C to 85 °C (FSFP-C8-S35-20Di)

 

Parameters	Symbol	Min.	Typ.	Max.	Unit	Note
Operating Data Rate	DR	1.0625	1.25		Gb/s
Receiver Sensitivity	SEN			-23	dBm	1
Maximum Receive Power	PRX-MAX	-3			dBm	1
Optical Center Wavelength	λc	1470		1600	nm
LOS De-Assert	LOSD			-24	dBm
LOS Assert	LOSA	-35			dBm
LOS Hysteresis	LOSHY	0.5			dB
Differential Data Output Swing	VOUT	600		1000	mV
Receiver LOS Signal Output Voltage-Low	LOSVL	GND		0.8	V
Receiver LOS Signal Output Voltage-High	LOSVH	2.0		Vcc	V

Note1: Measured with a PRBS 27-1 test pattern @1.25Gbps BER<10-12.