Common Configurations
|
|
Suppression Device
|
Increase Over Standard Cost
|
Space Problem
|
Polarization Requirement
|
Possible Temperature Problems
|
Line-Surge Sensitive
|
Effect on Release Transfer Time &
Bounce Before Complete Break
|
Effect on Relay Power
|
Relay Life Reduction
|
 |
Zener-Zener*
|
Reasonable
|
Minor
|
No
|
Yes
|
Yes
|
Negligible
|
None
|
Negligible
|
 |
Zener-Diode
|
Reasonable
|
Minor
|
Yes
|
Yes
|
Yes
|
Negligible
|
None
|
Negligible
|
 |
Bifilar Coil
|
Great
|
Great
|
No
|
None
|
No
|
Considerable
|
Considerable Reduction
|
Considerable
|
 |
Resistor
|
Minor
|
Reasonable
|
No
|
Yes
|
No
|
Considerable
|
None
|
Considerable
|
 |
Varistor
|
Minor
|
Reasonable
|
No
|
None
|
No
|
Minor
|
None
|
Minor
|
 |
Resistor Capacitor
|
Reasonable
|
Great
|
No
|
Yes
|
No
|
Considerable
|
None
|
Considerable
|
 |
Diode
|
Minor
|
Minor
|
Yes
|
Yes
|
Yes
|
Excessive
|
None
|
Excessive
|
Figure 48.
* Recommended Method
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|
