Datasheet > 2B482

2B482

更新时间： 2024-01-31 13:18:11

品牌	Logo	应用领域
美高森美 - MICROSEMI		光电
页数	文件大小	规格书
2页	41K
描述
Laser Diode, 840nm,

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技术参数
数据手册

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2B482 技术参数

是否Rohs认证：	不符合	生命周期：	Active
Reach Compliance Code：	unknown	风险等级：	5
Is Samacsys：	N	最大正向电流：	0.015 A
最大正向电压：	2.2 V	安装特点：	THROUGH HOLE MOUNT
最高工作温度：	70 °C	最低工作温度：
光电设备类型：	LASER DIODE	峰值波长：	840 nm
子类别：	Laser Diodes	表面贴装：	NO
Base Number Matches：	1

2B482 数据手册

PPRROODDUUCCTT IINNFFOORRMMAATTIIOONN

2B482

Datacom

840nm

VCSEL Laser Diode

This Vertical Cavity Surface-

Emitting Laser is designed for Fibre

Channel, Gigabit Ethernet, ATM and

general applications. It incorporates a

photodiode to monitor the optical

power and allow for feedback control.

Optical and Electrical Characteristics (25° C Case Temperature)

PARAMETER

SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

mW I_F=12mA (Note 1)

0.9 1.7 4.0 mW I_F=12mA

Fiber-Coupled Power

1.3

fiber

Optical Power

Slope Efficiency

␩

200

mW/A I_F=12mA

(dP /dI )

Beam Divergence

⌰

deg Full Width at 1/e

Bandwidth

GHz I_F=12mA

(3dB

)

Peak Wavelength

␭

830 840 860 nm I_F=12mA

0.5 nm I_F=12mA

1.9 2.2

Spectral Width (FWHM)

Forward Voltage (Fig.5)

Threshold Current

⌬

␭

V_F

I_F=12mA

I_th

3.5

Monitor Current

I_m

␮A I_F=12mA, V_R>1V

nA V_R=5V

Monitor Dark Current

Relative Intensity Noise

I_d

RIN

-130

dB/Hz I_F=12mA, f=1 GHz

Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275. An external glass

ball lens with 2 mm diameter is required.

Ø4.7

Ø2.55

Absolute Maximum Ratings

PARAMETER

SYMBOL

LIMIT

Storage Temperature

-55 to +125ЊC

stg

Operating Temperature (derating: Fig.4)

Electrical Power Dissipation (derating: Fig.4)

Continuous Forward Current (fр10 kHz)

Peak Forward Current (duty cycleр50%, fу1 MHz)

VCSEL Reverse Voltage

Top

0 to +70ЊC

35 mW

15 mA

25 mA

1.5 V

tot

0.4

VCSEL Anode

MONITOR Cathode

I_F

I_FRM

V_R

MONITOR

Anode

VCSEL

Cathode

Soldering Temperature (2mm from the case for 10 sec)

260ЊC

2.5

5.47

sld

CASE NOT CONNECTED

BOTTOM VIEW

Thermal Characteristics

PARAMETER

SYMBOL MIN.

TYP.

MAX.

UNIT

TO-46 Package With Flat Window

Thermal Resistance - Infinite Heat Sink

500

ЊC/W

thjc

Thermal Resistance -No Heat Sink

Temp. Coefficient -Wavelength

800

ЊC/W

nm/ЊC

thja

WARNING: Laser Radiation, avoid exposure

to beam. Class 3B laser product, potential

eye hazard. Warning labels in each box.

d␭/dT

⌬P

0.06

Optical Power - Variation 0 to 70ЊC

0.7

0.6

13692.11 1999-05-12

Threshold Current - Variation 0 to 70ЊC

⌬I

America: Tel 1-800-96MITEL Fax (613) 592-6909

Asia: Tel (65) 293 5312 Fax (65) 293 8527

Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10

Tel (44) 1291 436180 Fax (44) 1291 436771

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