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MS5D1436

SILICON DIODE

Fuji Electric 

・The Diodes are made of incombustible material.However,if a Diode fails,it may emit smoke

of flame.Also,operating the Diodes near any flammable place or material may cause the

Diodes to emit smoke or flame in case the Diodes become even hotter during operation.

Design the arrangement to prevent the spread of fire.

・The Diodes should not used in an environment in the presence of acid,organic matter,or

corrosive gas(hydrogen sulfide,sulfurous acid gas.)

・The Diodes should not used in an irradiated field since they are not radiation-proof.

Insatallation

・Soldering involves temperatures which exceed the device storage temperature rating.To

avoid device damage and to ensure reliability, observe the following guidelines from the

quality assurance standard.

・Solder temperature and duration(through-hole package)

Solder

temperature

260±5℃

350±10℃

Duration

10±1second

3.0±0.5second

・The immersion depth of the lead should basically be up to the lead stopper and the distance

should be a maximum of 1.5mm from the device.

・When flow-soldering,take care to avoid immersing the package in the solder bath.

・Refer to the following torque reference When mounting the device on a heat sink. Excess

torque applied to the mounting screw causes damage to the device and weak torque will

increase the thermal resistance, both of which conditions may destory the device.

Table 1:Recommended tightening torque

Package style Screw

Recommended tightening

torque

TO-220

M3

30-50Ncm

TO-220F

TO-3P

M3

40-60Ncm

TO-3PF

TO-247

TO-3PL

M3

60-80Ncm

・The heat sink should have a flatness within±50μm and roughness within 10μm.

Also,keep the tightening torque within the limits of this specification.

・Improper handling may cause isolation breakdown leading to a critical accident.

・We recommend the use of thermal compound to optimize the efficiency of heat radiation.It is

important to evenly apply the compound and to eliminate any air viods.

Storage

・The Diodes must be stored at a standard temperature of 5 to 35℃ and relative humidity of 45

to 75%.If the storage area is very dry,a humidifier may be required.In such a case,use only

deionized water or boiled water,since the chlorine in tap water may corrode the leads.

・The Diodes should not be subjected to rapid changes in temperature to avoid condensation

on the suface of the Diodes.Therfore,store the Diodes in a place Where the temperature is

steady.

・The Diodes should not be stored on top of each other,since this may cause excessive

external force on the case.

・The Diodes should not be stored with the lead terminals remaining unprocessed.Rust may

cause presoldered connections to go fail during later processing.

・The Diodes should be stored in antistatic containers or shipping bags.

Fuji Electric Co.,Ltd.

MS5D1436 7/12

H04‑004‑03

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