ML920L11S中文资料

TYPE

NAME

DESCRIPTION

ML9XX11series are DFB (Distributed Feedback) laser diodes emitting light beam around 1550nm.

They are well suited for light source in long distance digital transmission system.

They are hermetically sealed devices with the photo diode for optical output monitoring.

APPLICATION

· ~1.25Gbps digital transmission system

FEATURES

· Homogeneous grating (AR/HR facet coating) structure DFB

· Wide temperature range operation ( -40 to 85oC ) · Low threshold current (typical 8mA) · High speed response (typical 0.1nsec) · φ5.6mm TO-CAN package

· Flat window cap, Ball lens cap, or Aspherical lens cap

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Conditions Ratings Unit Po Light output power CW 10 mW If Forward current (Laser diode) --- 150 mA V RL Reverse voltage (Laser diode) --- 2 V V RD Reverse voltage (Photo diode) --- 20 V I FD Forward current (Photo diode) --- 2 mA Tc Case temperature --- -40 to +85 oC Tstg Storage temperature

---

-40 to +100

oC

ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25oC otherwise specified) [ Flat window cap ; ML925B11F / ML920J11S ]

Symbol Parameter Test conditions Min. Typ. Max. Unit

CW --- 8 15

Ith Threshold current CW, Tc=85oC

--- 30 50 mA

CW, Po=5mW --- 25 40

Iop Operation current CW, Po=5mW, Tc=85oC

--- 60 80 mA

Vop Operating voltage

CW, Po =

5mW --- 1.1 1.5 V η

Slope efficiency CW, Po=5mW 0.20 0.28 --- mW/mA λp

Peak wavelength CW, Po=5mW 1530 1550 1570 nm θ //

Beam divergence angle (parallel)CW, Po=5mW --- 25 35 deg. θ ┴ Beam divergence angle

(perpendicular) CW, Po=5mW

---

35

45

deg.

SMSR

Side mode suppression ratio

CW, Po=5mW

Tc= - 40 to +85oC

35 40 --- dB

tr,tf Rise and Fall time Ib=Ith, 20-80% <*> --- 0.1 0.2 ns Im Monitoring output current (PD) CW, Po=5mW 0.05 0.2 --- mA

Id Dark current (PD) V RD =5V --- --- 0.1 μA

Ct Capacitance (PD) V RD =5V --- 10 20 pF <*> Except influence of the 18mm lead.

ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25oC otherwise specified) [Ball lens cap ; ML925AA11F / ML920AA11S ]

Symbol Parameter Test conditions Min. Typ. Max. Unit

CW --- 8 15

Ith Threshold current CW, Tc=85oC

--- 30 50 mA

CW, Po=5mW --- 25 40 Iop Operation current CW, Po=5mW, Tc=85oC

--- 60 80 mA

Vop Operating voltage CW, Po =

5mW --- 1.1 1.5 V

η

Slope efficiency CW, Po=5mW 0.20 0.28 --- mW/mA λp

Peak wavelength CW, Po=5mW 1530 1550 1570 nm SMSR Side mode suppression ratio

CW, Po=5mW

Tc= - 40 to +85oC

35 40 --- dB Pf Fiber coupling power CW, Po=5mW, SMF 0.5 1.0 --- mW Df Focul length CW, Po =5mW, SMF 6.0 6.5 7.0 mm tr,tf Rise and Fall time Ib=Ith, 20-80% <*> --- 0.1 0.2 ns Im Monitoring output current (PD) CW, Po=5mW 0.05 0.2 --- mA

Id Dark current (PD) V RD =5V --- --- 0.1 μA

Ct Capacitance (PD) V RD =5V --- 10 20 pF <*> Except influence of the 18mm lead.

ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25oC otherwise specified)

[ Aspherical lens cap ; ML925J11F / ML920L11S]

Symbol Parameter Test conditions Min. Typ. Max. Unit CW --- 8 15

Ith Threshold current

CW, Tc=85oC

--- 30 50 mA

CW, Po=5mW --- 25 40

Iop Operation current CW, Po=5mW, Tc=85oC

--- 60 80 mA

Vop Operating voltage CW, Po =5mW --- 1.1 1.5 V

η

Slope efficiency CW, Po=5mW 0.20 0.28 --- mW/mA λp

Peak wavelength CW, Po=5mW 1530 1550 1570 nm SMSR Side mode suppression ratio

CW, Po=5mW

Tc= - 40 to +85oC

35 40 --- dB Pf Fiber coupling power CW, Po=5mW, SMF 1.5 2.0 --- mW Df Focul length CW, Po =

5mW, SMF 6.5 7.5 8.5 mm tr,tf Rise and Fall time Ib=Ith, 20-80% <*> --- 0.1 0.2 ns Im Monitoring output current (PD) CW, Po=5mW 0.05 0.2 --- mA

Id Dark current (PD) V RD =5V --- --- 0.1 μA

Ct Capacitance (PD) V RD =

5V --- 10 20 pF

OUTLINE DRAWINGS

ML925B11F

ML920J11S

ML925AA11F

ML920AA11S

OUTLINE DRAWINGS ML925J11F

ML920L11S