TOSA 2.5Gbps with Pigtail

Parameters

Unit

Symbol

Min.

Max.

LD Reverse Voltage LD

V

Vr(LD)

-

2

LD Forward Current LD

mA

If (LD)

-

120

TEC Voltage TEC 

V

V(TEC)

-

1.2

TEC Current TEC 

A

I (TEC)

-

0.9

Operating Temperature

℃

Top

-40

115

Storage Temperature  

℃

Tstg

-50

125

Lead Solder Temperature

℃

-

-

260

Lead Soldering Time

s

-

-

10

Transmitter Optical & Electrical Characteristics (Ta=25℃, unless otherwise noted)

Laser Operating Temperature

℃

Topc

-

25

-

1552±0.8 nm

TEC ON

Threshold Current 

mA

Ith

-

4

18

25℃

mA

-

-

22

TEC ON, 65℃

Forward Voltage

V

Vf

-

-

2.0

Iop=Ith+20 mA

Series Resistance 

Ω

Rs

-

4.5

7.0

Iop=Ith+20 mA

Optical Output Power

mW

Po

2.4

-

-

Iop=Ith+20 mA,

TEC ON, 25℃

mW

10.0

-

-

Iop=100 mA,

TEC ON, 25℃

mW

8.0

-

-

Iop=100 mA

TEC ON, 65℃

mW

6.4

-

-

Iop=100 mA

TEC ON, 65℃

Ta=105℃

Power Change Rate

mW

ΔP

-20%

-

20%

Rth=65℃, Po@1 05℃/Po@25℃

Slope Efficiency

-

SE

0.12

-

-

Iop=Ith+20mA,

TEC ON, 25℃  

Optical Isolation

W/A

ISO1

-

-

-30

@1550nm

Central Wavelength

dB

λc Note1

1548.12

-

1553.9

TEC ON, 65℃

4ns, 500 KHz

Spectral Width, -20dB

nm

Δλ

Note1

-

0.1

1.0

TEC ON, 25℃

4ns, 500 KHz

Spectral Width, -3dB

nm

Δλ

Note1

-

0.1

0.2

TEC ON, 25℃

4ns, 500 KHz

Wavelength Temperature Coefficient

nm

Δλ/ΔT

-

0.08

-

-

Side-Mode Suppression Ratio

nm/℃

SMSR

Note1

35

-

-

TEC ON, 25℃

4ns, 500 KHz

Side-Mode Suppression Ratio

dB

SMSR

Note1

35

-

-

TEC ON, 65℃

4ns, 500 KHz

Note 1: λc must be tested using an HT circuit board under the following conditions: pulse width of 4 ns and trigger frequency of 500 kHz.

Thermistor Parameter

Thermistor Resistance

KΩ

Rth

9.5

10

10.5

25℃

B constant of Rth B

K

B

-

3930

-

-

Thermoelectric (TEC)

TEC Voltage TEC

V

V(TEC)

-

-

1.20

@BOL

V

-

-

1.40

@EOL

TEC Current TEC

A

I (TEC)

-

-

0.90

@BOL

A

-

-

1.20

@EOL