Koifarm Member Joined 2005 2022-01-24 7:20 pm #1 2022-01-24 7:20 pm #1 😱 Last edited: 2023-11-20 7:39 pm Koifarm Member Joined 2005 2022-05-11 9:44 pm #2 2022-05-11 9:44 pm #2 Nobody? M Mark Tillotson Member Joined 2018 2022-05-11 10:41 pm #3 2022-05-11 10:41 pm #3 My guess is its not an external part number. No date code for instance (perhaps PPQQ is a placeholder for that?) Reactions: rayma Koifarm Member Joined 2005 2022-10-03 5:20 pm #4 2022-10-03 5:20 pm #4 It is a low noise voltage regulator tps7a3301 in TO220-7 housing. Prices are 2 to 3 euro a pcs. Now i can make my own low noise supply without smd parts. I will start with a capacitor multiplier and then the regulator. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
Koifarm Member Joined 2005 2022-05-11 9:44 pm #2 2022-05-11 9:44 pm #2 Nobody? M Mark Tillotson Member Joined 2018 2022-05-11 10:41 pm #3 2022-05-11 10:41 pm #3 My guess is its not an external part number. No date code for instance (perhaps PPQQ is a placeholder for that?) Reactions: rayma Koifarm Member Joined 2005 2022-10-03 5:20 pm #4 2022-10-03 5:20 pm #4 It is a low noise voltage regulator tps7a3301 in TO220-7 housing. Prices are 2 to 3 euro a pcs. Now i can make my own low noise supply without smd parts. I will start with a capacitor multiplier and then the regulator. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
M Mark Tillotson Member Joined 2018 2022-05-11 10:41 pm #3 2022-05-11 10:41 pm #3 My guess is its not an external part number. No date code for instance (perhaps PPQQ is a placeholder for that?) Reactions: rayma Koifarm Member Joined 2005 2022-10-03 5:20 pm #4 2022-10-03 5:20 pm #4 It is a low noise voltage regulator tps7a3301 in TO220-7 housing. Prices are 2 to 3 euro a pcs. Now i can make my own low noise supply without smd parts. I will start with a capacitor multiplier and then the regulator. You must log in or register to reply here.
My guess is its not an external part number. No date code for instance (perhaps PPQQ is a placeholder for that?)
Koifarm Member Joined 2005 2022-10-03 5:20 pm #4 2022-10-03 5:20 pm #4 It is a low noise voltage regulator tps7a3301 in TO220-7 housing. Prices are 2 to 3 euro a pcs. Now i can make my own low noise supply without smd parts. I will start with a capacitor multiplier and then the regulator.
It is a low noise voltage regulator tps7a3301 in TO220-7 housing. Prices are 2 to 3 euro a pcs. Now i can make my own low noise supply without smd parts. I will start with a capacitor multiplier and then the regulator.
