Pre-aligned 850 nm VCSEL in ST Connector

Features:

Industry standard connector of metallic ST-type receptacle. Pre-aligned  for multi-mode fiber communication. With attenuating coating and no monitoring PD. Solution of 10/100/155 Mbps applications. Alternative solution for LED transmitter. In compliance with Class I laser standard for the eye safety.

Electro-optical Characteristics:

PARAMETERS	SYMBOL	MIN     TYP     MAX	UNIT	TEST CONDITIONS(1)
Threshold Current	Ith	3             6	mA
Operating Current	Iop	12	mA	Adjustable to establish Po
Power Coupled Power (50/125, 62.5/125mm MMF)(2)	Po	-10                     -4	dBm	IF =12 mA(3)
Wavelength	lp	830       850       860	nm	IF =12 mA
Spectral Width (RMS)	Dl	0.85	nm	IF =12 mA
Relative Intensity Noise	RIN	-128	dB/Hz	IF =12 mA, f =1GHz
Forward Voltage	VF	1.7        1.9        2.2	V	IF =12 mA
Breakdown Voltage	VBD	5        15	V	IR =10 µA
Series Resistance	Rs	25	W	IF =12 mA
Rise/Fall Time (20%~80%)	TR/TF	150/200	ps	TA = 25 °C, Extinction Ratio > 10dB

Note:
1. All parameters except mentioned are measured in I_F =12 mA, 25°C, CW.
2. TST-M85A405-1 and TST-M85A406-1 are for 50/125 mm MMF and 62.5/125 mm MMF, respectively.
3. Specific power range, such as from 0 to -4 dBm and from -10 to -15 dBm, can be provided under request.

Thermal Characteristics: 

PARAMETERS	SYMBOL	MIN     TYP     MAX	UNIT	TEST CONDITIONS
Thermal Resistance	Rth	900	°C/W	TA = 25°C
Threshold Current Temperature Variation	DIth	-0.5                     2.5	mA	TA = 0 ~ 70°C
Forward Voltage Temperature Coefficient	DVF /DT	-3.5         -2.5        -2.0	mV/°C	TA = 0 ~ 70°C
Temperature Coefficient	Dh/DT	-0.15	%/°C	TA = 0 ~ 70°C, IF=12 mA
Wavelength Temperature Coefficient	Dlp/DT	0.06	nm/°C	TA = 0 ~ 70°C, IF=12 mA

Absolute Maximum Ratings: 

PARAMETERS	MIN          MAX	UNIT	TEST CONDITIONS
Storage Temperature	-40           100	°C
Operating Temperature	-40            85	°C
Lead Solder Temperature	260	°C	10 seconds
Continuous Forward Current	40	mA
Continuous Reverse Voltage	10	V

  

OUTLINE DIMENSIONS: Unit: mm	PINOUT: TST-M85A405-1 & TST-M85A406-1
	Pin 1. Anode Pin 2. NC Pin 3. Cathode Pin 4. Case

Fig. 1 Typical Optical Characteristics	Fig. 2 Typical Electrical Characteristics
Fig. 3 Spectrum When Driving Current 12 mA	Fig. 4 Temperature Dependence of Threshold Current