9

General/Control Electrical Characteristics

(Over recommended operating conditions: Tc= 0ºC to +80ºC, Vcc=3.3V + 5%)

Parameter

Symbol

Minimum

Typical

Maximum Unit

Reference

Supply Current

300

420

mA

Power Dissipation

1.0

1.46

W

Regulatory Compliance

The overall equipment design will determine the certi-

fication level. The module performance is offered as a

figure of merit to assist the designer in considering their

use in equipment designs.

Electrostatic Discharge (ESD)

There are two design cases in which immunity to ESD

damage is important.

The first case is during handling of the module prior

to mounting it on the circuit board. It is important to

use normal ESD handling precautions for ESD sensitive

devices. These precautions include using grounded wrist

straps, workbenches and floor mats in ESD controlled

areas. The module performance has been shown to

provide adequate performance in typical industry pro-

duction environments.

The second case to consider is static discharges to the

exterior of the equipment chassis containing the mod-

ule parts. To the extent that the MT-based connector

receptacle is exposed to the outside of the equipment

chassis it may be subject to whatever system-level ESD

test criteria that the equipment is intended to meet. The

module performance exceeds typical industry equipment

requirements of today.

Electromagnetic Interference (EMI)

Most equipment designs using these high-speed mod-

ules from Avago Technologies will be required to meet

the requirements of FCC in the United States, CENELEC

EN55022 (CISPR 22) in Europe and VCCI in Japan. These

modules, with their shielded design, perform to the limits

listed in Table 1 to assist the designer in the management

of the overall equipment EMI performance.

Immunity

Equipment utilizing these modules will be subject to

radio frequency electromagnetic fields in some environ-

ments. These modules have good immunity to such

fields due to their shielded design.

Eye Safety

These 850 nm VCSEL-based transceiver modules provide

eye safety by design.

The HFBR-7934WZ has been registered with CDRH and

certified by TUV as a Class 1M device under Amendment

2 of IEC 60825-1. See the Regulatory Compliannce Table

for further detail. If Class 1M exposure is possible, a

safety-warning label should be placed on the product

stating the following:

LASER RADIATION

DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.

CLASS 1M LASER PRODUCT

The optical port has recessed optics that are visible

through the nose of the port. The port plug provided

should be installed whenever a fiber cable is not con-

nected. This ensures the optics remain clean and no

cleaning should be necessary. In the event of the optics

being contaminated, forced nitrogen or dry clean air at

less than 20 psi is the recommended cleaning agent.

The features of the optical port and guide pins preclude

the use of any solid instrument. Liquids are not advised

due to potential damage.

Application of wave soldering, reflow soldering and/or

aqueous wash processes with the HFBR-7934WZ mod-

ules device on board is not recommended as damage

may occur.

Normal handling precautions for electrostatic sensitive

devices should be taken (see ESD section).