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m102404 · July 27th, 2012, 10:08

There is at least one option missing from your list...and a bit of a variation on another.

In some guns there is no space to fit a good mosfet unit. There are the "bug" types that are very small and while they accomplish the main purpose they are lacking in many others.

For example, while I could, I would not want to jury rig a wiring harness to fit such a limited MOSFET into my KA Galil. I'd have a bit of space up in the hand guard...affect cosmetics, etc...

For some it's a trivial matter to swap a trigger unit when it burns out. Also the cost of the trigger unit over the time it takes to burn it (just using the typical batteries available...not some huge brick LiPo) makes the cost of the switch as trivial as BBs.

And...although your switch may never burn out with a MOSFET....for 90% of the guys/guns out there, something else is going to go or they'll be into their mechboxes eventually and replacing a worn switch while other upgrades/maintenance is being done is no big deal.

Am I against MOSFETs? Nope...I have them, have used them, have recommended them for some applications. Do I think that they're a "must have"? Nope...unless you're looking for features that cannot be had without an ECU, in which case you end up with a MOSFET anyways.

July 27th, 2012, 10:08	#14
m102404 Tys Trader rating Join Date: Apr 2006 Location: Toronto	There is at least one option missing from your list...and a bit of a variation on another. In some guns there is no space to fit a good mosfet unit. There are the "bug" types that are very small and while they accomplish the main purpose they are lacking in many others. For example, while I could, I would not want to jury rig a wiring harness to fit such a limited MOSFET into my KA Galil. I'd have a bit of space up in the hand guard...affect cosmetics, etc... For some it's a trivial matter to swap a trigger unit when it burns out. Also the cost of the trigger unit over the time it takes to burn it (just using the typical batteries available...not some huge brick LiPo) makes the cost of the switch as trivial as BBs. And...although your switch may never burn out with a MOSFET....for 90% of the guys/guns out there, something else is going to go or they'll be into their mechboxes eventually and replacing a worn switch while other upgrades/maintenance is being done is no big deal. Am I against MOSFETs? Nope...I have them, have used them, have recommended them for some applications. Do I think that they're a "must have"? Nope...unless you're looking for features that cannot be had without an ECU, in which case you end up with a MOSFET anyways.