SFP 1.25G BIDI TX1550/RX1310nm 20km SC single mode Transceiver | Bidirectional SFP Module - Shenzhen Whandar Optical Technology Co., Ltd.

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SFP-1G-BX-20D Compatible SFP BiDi TX1550nm/RX1310nm 20km Simplex SC SMF Optical Transceiver Module

Up to 1.25Gbps Data Links

Compliant with SFP MSA and SFF-8472

Hot Pluggable with Single SC Connector

up to 20Km on 9/125µm SMF

All-metal housing for superior EMI performance

RoHS6 compliant (lead free)

Features

◆ Hot-pluggable SFP footprint

◆ Simplex SC fiber connector

◆ Transmission distance up to 20Km on 9/125µm SMF

◆ Built-in DDMI functions

◆ Comply with SFP MSA .

◆ Single +3.3V power supply

◆ RoHS6 compliant (lead free)

◆ Operating case temperature:

Commercial : 0 to +70°C

Industrial : -40 to +85°C

◆ Comply with Ethernet Switches from a lot of widely used brands .

Applications

◆ Gigabit Ethernet

◆ 1X Fiber Channel

◆ Switch to Switch interface

◆ Router/Server interface

◆ Other optical transmission systems Optical Parameters

HD-SB3512-20SCD: (TX 1310nm,RX 1550nm, 20km Reach)

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Centre Wavelength	λc	1260	1310	1360	nm
Spectral Width (RMS)	σ			3	nm
Average Optical Power	Pavg	-9		-3	dBm	1
Laser Off Power	Poff	-	-	-45	dBm
Extinction Ratio	ER	9	-	-	dB
Relative Intensity Noise	Rin	-	-	-128	dB/Hz
Transmitter jitter	UIp-p		-	0.1		3
Optical Return Loss Tolerance		-	-	12	dB
Output Optical Eye	Compliant with IEEE802.3 z					4
Receiver Section:
Receiver Center Wavelength	λr	1480	1550	1580	nm
Receiver Sensitivity in Average Power	Sen	-23		-3	dBm	5
Los Assert	LosA	-35	-	-	dBm
Los Dessert	LosD	-	-	-24	dBm
Los Hysteresis	LosH	0.5	-	-	dB
Overload	Pin	-	-	-3	dBm	5
Receiver Reflectance		-	-	-12	dB
Receiver power (damage)		-	-	0	dBm

HD-SB5312-20SCD: (TX 1550nm,RX 1310nm, 20km Reach)

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Centre Wavelength	λc	1480	1550	1580	nm
Spectral Width (RMS)	σ			3	nm
Average Optical Power	Pavg	-9		-3	dBm	1
Laser Off Power	Poff	-	-	-45	dBm
Extinction Ratio	ER	9	-	-	dB
Relative Intensity Noise	Rin	-	-	-128	dB/Hz	12dB reflection
Transmitter jitter	UIp-p		-	0.1		3
Optical Return Loss Tolerance		-	-	12	dB
Output Optical Eye	Compliant with IEEE802.3 z					4
Receiver Section:
Receiver Center Wavelength	λr	1260	1310	1360	nm
Receiver Sensitivity in Average Power	Sen	-23		-3	dBm	5
Los Assert	LosA	-35	-	-	dBm
Los Dessert	LosD	-	-	-24	dBm
Los Hysteresis	LosH	0.5	-	-	dB
Overload	Pin	-	-	-3	dBm	5
Receiver Reflectance		-	-	-12	dB
Receiver power (damage)		-	-	0	dBm

Notes:

1. The optical power is launched into 9/125µm SMF.

2. Unfiltered, measured with a PRBS 223-1 test pattern @1.25Gbps

3. Meet the specified maximum output jitter requirements if the specified maximum input jitter is present.

4. Measured with a PRBS 223-1 test pattern @1.25Gbps.

5. Measured with a PRBS 223 -1 test pattern @1.25Gbps, worst-case extinction ratio, BER ≤1×10-10

Pin	Signal Name	Description	Plug Seq	Notes
1	VeeT	Transmitter Ground	1
2	TX FAULT	Transmitter Fault Indication	3	Note 1
3	TX Disale	Transmitter Disable	3	Note 2
4	MOD_DEF(2)	Serial Data Signal SDA	3	Note 3
5	MOD_DEF(1)	Serial Clock Signal SCL	3	Note 3
6	MOD_DEF(0)	Grounded in Module	3	Note 3
7	Rate Select	Not Connected	3
8	LOS	Receiver Loss of Signal Indicator (Active high, open-drain)	3	Note 4
9	VeeR	Receiver Ground	1
10	VeeR	Receiver Ground	1
11	VeeR	Receiver Ground	1
12	RD-	Inv. Received Data Out	3	Note 5
13	RD+	Received Data Out	3	Note 5
14	VeeR	Receiver Ground	1
15	VccR	Receiver Power Supply	2
16	VccT	Transmitter Power Supply	2
17	VeeT	Transmitter Ground	1
18	TD+	Transmit Data In	3	Note 6
19	TD-	Inv. Transmit Data In	3	Note 6
20	VeeT	Transmitter Ground	1	Note 2

Ordering information

Part Number	Product Description
HD-SB3512-20SCD	TX 1310nm ,RX 1550nm 1.25Gbps, 20KM, Bi-Directional SFP Transceiver with Single SC Receptacle ,0ºC ~ +70ºC , With DDM.
HD-SB3512-20SCD-I	TX 1310nm ,RX 1550nm 1.25Gbps, 20KM, Bi-Directional SFP Transceiver with Single SC Receptacle ,-40ºC ~ +85ºC , With DDM.
HD-SB5312-20SCD	TX 1550nm ,RX 1310nm 1.25Gbps, 20KM, Bi-Directional SFP Transceiver with Single SC Receptacle ,0ºC ~ +70ºC , With DDM.
HD-SB5312-20SCD-I	TX 1550nm ,RX 1310nm 1.25Gbps, 20KM, Bi-Directional SFP Transceiver with Single SC Receptacle,-40ºC ~ +85ºC , With DDM.

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