# STH81002Z - 1550nm Laser in Coaxial TO-Package

## Overview
· Designed for fiber-optic networks.
· Multi-Quantum Well laser diode.
· Supports bit rates up to 1 Gbit/s.
· Includes a ternary photodiode for monitoring radiant power.
· Hermetically sealed, TO-18 similar package.
· Integrated Silicon-Optics for high coupling efficiencies.

## Maximum Ratings

Parameter	Symbol	Value	Unit
Operating Temperature	T<sub>C</sub>	-40…+85	°C
Storage Temperature	T<sub>stg</sub>	-40…+85	°C
Soldering Temperature	T<sub>S</sub>	260	°C
Direct Forward Current	I<sub>F max</sub>	120	mA
Radiant Power CW	Φ<sub>e</sub>	10	mW
Reverse Voltage	V<sub>R max</sub>	2	V
Monitor Diode Reverse Voltage	V<sub>R max</sub>	10	V

## Characteristics

Parameter	Symbol	Value	Unit
Optical Output Power	Φ<sub>e</sub>	>6	mW
Emission Wavelength (Φ<sub>e</sub> = 3mW)	λ	1510…1590	nm
Spectral Bandwidth (Φ<sub>e</sub> = 3mW)	Δλ	<5	nm
Threshold Current	I<sub>th</sub>	<15	mA
Forward Voltage (Φ<sub>e</sub> = 3mW)	V<sub>F</sub>	<1.5	V
Radiant Power at Threshold	Φ<sub>eth</sub>	<200	µW
Slope Efficiency	η	>200	mW/A
Differential Series Resistance	r<sub>S</sub>	<8	Ω
Rise/Fall Time	t<sub>R</sub>, t<sub>F</sub>	<1	ns
Dark Current (V<sub>R</sub>=5V, Φ<sub>e</sub>=0)	I<sub>R</sub>	<500	nA
Photocurrent (Φ<sub>e</sub>=3mW)	I<sub>P</sub>	150…1500	µA

## Ordering Information
· Type: STH81002Z
· Ordering Code: Q62702-Pxxxx
· Custom pinouts available on request.