Another example of what some of us - over the years - have learnt the hard way. Four things tend to reduce the life of electronic assemblies:
1. Heat, excess of; lack of ventilation.
2. Dampness and moisture, ingress of.
3. Excess voltage - which usually leads to #1 anyway.
4. Poor mechanical integrity: vibration; thermal expansion & contraction.
Over the years I have seen a lot of commercial kit which is especially weak on item 1 above. It is often possible to relocate hot-running items to elsewhere on the chassis where the heat can escape - even if that means drilling ventilation holes, using higher-rated wattage components and, occasionally, a minor design change.
Al.
1. Heat, excess of; lack of ventilation.
2. Dampness and moisture, ingress of.
3. Excess voltage - which usually leads to #1 anyway.
4. Poor mechanical integrity: vibration; thermal expansion & contraction.
Over the years I have seen a lot of commercial kit which is especially weak on item 1 above. It is often possible to relocate hot-running items to elsewhere on the chassis where the heat can escape - even if that means drilling ventilation holes, using higher-rated wattage components and, occasionally, a minor design change.
Al.






