Author Topic: transistor equivalent  (Read 2387 times)

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Offline yalectTopic starter

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transistor equivalent
« on: July 21, 2017, 08:24:25 pm »
Hi,
if you help me to find equivalents of transistor BSS 110  which are available
Thank you 
« Last Edit: July 21, 2017, 08:28:00 pm by yalect »
 

Offline Zero999

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Re: transistor equivalent
« Reply #1 on: July 21, 2017, 10:11:51 pm »
Try the TP0610L, VP0610L or BS250. The latter has a slightly higher on resistance than the BSS110 but it might be OK.

What's the application? Do you have a schematic?

http://www.vishay.com/docs/70209/70209.pdf
 

Offline bson

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Re: transistor equivalent
« Reply #2 on: July 22, 2017, 12:11:25 am »
You won't find one with Rdson=10ohm, so have to choose 8 or 12; I'd go with the slightly lower.  If it's for a linear application like an amplifier or regulator of some sort go with the 8 so it stays in the ohmic region and doesn't saturate.  If it's not in a feedback loop and depends on the particular slope of the BSS110 you're probably out of luck, but in a feedback loop no problem.  If it's for switching purposes I'd also go with 8.  If you need exactly 10 for some reason you can always replace the drain leg with a 2ohm 1/8W resistor.
VP2106 (12ohm, 250mA) on Mouser @ $.58; pin order is reverse of BSS110 so needs to be flipped

If you don't mind using a SOT-23 adapter, then you can find the BSS84 in SMD.  (In fact, I just received 100 today from Mouser.)  Perfect little jellybean P-ch MOSFET - I'll be using it to switch a power rail to 5 I2C devices including a display, so I can do a complete bus reset or power off during deep sleep.  (The BSS84 may not work though; I just looked at the BSS84/BSS110 datasheet and it has a much lower Vgs which might cause problems.)
« Last Edit: July 22, 2017, 12:17:31 am by bson »
 


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