# Semiconductor **URL:** https://forum.digikey.com/c/semiconductor/98.md?page=7 [Latest](https://forum.digikey.com/latest.md) · [Categories](https://forum.digikey.com/categories.md) · [Tags](https://forum.digikey.com/tags.md) **Page:** 8 --- ## [Why EVVO part number is AMS1117-ADJ but the semiconductor shows 3.3?](https://forum.digikey.com/t/why-evvo-part-number-is-ams1117-adj-but-the-semiconductor-shows-3-3/68916)
**Author:** [@chipsID](https://forum.digikey.com/u/chipsID)\ **Replies:** 7\ **Last updated:** [May 18, 2026, 5:30pm UTC](https://forum.digikey.com/t/why-evvo-part-number-is-ams1117-adj-but-the-semiconductor-shows-3-3/68916 "2026-05-18T17:30:35Z")
Hello, Why the part number I purchased from DigiKey is AMS1117-ADJ which is adjustable but the semiconductor shows 3.3? Is this incorrect part shipped or 3.3 is adjustable for EVVO manufacturer? --- ## [Identifying EEPROM for cloning purposes](https://forum.digikey.com/t/identifying-eeprom-for-cloning-purposes/68911)
**Author:** [@bloodworthcustoms](https://forum.digikey.com/u/bloodworthcustoms)\ **Replies:** 3\ **Last updated:** [May 18, 2026, 4:44pm UTC](https://forum.digikey.com/t/identifying-eeprom-for-cloning-purposes/68911 "2026-05-18T16:44:53Z")
LT 642 17851 Does anyone have any information on which parameters I need to know to clone the above with CH341A + ASPrograming? This is for a transmission control unit for an IShift out of a Volvo D13. Any inform… --- ## [Help me identify these chips](https://forum.digikey.com/t/help-me-identify-these-chips/68893)
**Author:** [@in\_sympathy](https://forum.digikey.com/u/in_sympathy)\ **Replies:** 3\ **Last updated:** [May 18, 2026, 3:48pm UTC](https://forum.digikey.com/t/help-me-identify-these-chips/68893 "2026-05-18T15:48:17Z")
Hi guys. Have these chips on Orange Pi 5, but can’t find them neither in the schematic nor by the chip markings. Those are tiny bga chips marked as D25DH 6QR73 or D3FEH 68S53. I also noticed that these same chips on th… --- ## [When to use Fixed or Adjustable Voltage Regulator ICs for Your Circuit](https://forum.digikey.com/t/when-to-use-fixed-or-adjustable-voltage-regulator-ics-for-your-circuit/68926)
**Author:** [@jeremy\_wiskow](https://forum.digikey.com/u/jeremy_wiskow)\ **Replies:** 0\ **Last updated:** [May 18, 2026, 1:44pm UTC](https://forum.digikey.com/t/when-to-use-fixed-or-adjustable-voltage-regulator-ics-for-your-circuit/68926 "2026-05-18T13:44:24Z")
Fixed vs Adjustable Voltage Regulators A voltage regulator IC stabilizes voltage in a circuit, even when the input voltage or load current changes. Two common ICs that are classed in this area are fixed and adjustable re… --- ## [FAN7387 any replacement?](https://forum.digikey.com/t/fan7387-any-replacement/68912)
**Author:** [@DemiGod](https://forum.digikey.com/u/DemiGod)\ **Replies:** 1\ **Last updated:** [May 18, 2026, 1:14pm UTC](https://forum.digikey.com/t/fan7387-any-replacement/68912 "2026-05-18T13:14:05Z")
Good day, is there any other gate driver i can use to substitute the FAN7387 or if i can even get that part? --- ## [Marking for RT9069-33GB](https://forum.digikey.com/t/marking-for-rt9069-33gb/68875)
**Author:** [@kleung](https://forum.digikey.com/u/kleung)\ **Replies:** 2\ **Last updated:** [May 15, 2026, 12:59pm UTC](https://forum.digikey.com/t/marking-for-rt9069-33gb/68875 "2026-05-15T12:59:25Z")
Dear Sir Could you please confirm that this Body Marking : 3W=BH3 belongs to this part number RT9069-33GB. ? Thanks! Best Regards Ken --- ## [I2C Master (VHDL)](https://forum.digikey.com/t/i2c-master-vhdl/12797)
**Author:** [@Scott\_1767](https://forum.digikey.com/u/Scott_1767)\ **Replies:** 21\ **Last updated:** [May 15, 2026, 10:58am UTC](https://forum.digikey.com/t/i2c-master-vhdl/12797 "2026-05-15T10:58:40Z")
Logic Home Code Download Version 2.2: i2c\_master.vhd (14.1 KB) Corrected small SDA glitch at the end of the transaction (introduced in version 2.1) Version 2.1: i2c\_master\_v2\_1.vhd (14.0 KB) Replaced gated clock … --- ## [L6202](https://forum.digikey.com/t/l6202/68874)
**Author:** [@april.leung](https://forum.digikey.com/u/april.leung)\ **Replies:** 4\ **Last updated:** [May 15, 2026, 8:22am UTC](https://forum.digikey.com/t/l6202/68874 "2026-05-15T08:22:52Z")
Any substitution for L6202? seems L6201 is at lower speed? --- ## [Microcircuit marking](https://forum.digikey.com/t/microcircuit-marking/68850)
**Author:** [@vetaln](https://forum.digikey.com/u/vetaln)\ **Replies:** 2\ **Last updated:** [May 14, 2026, 12:11pm UTC](https://forum.digikey.com/t/microcircuit-marking/68850 "2026-05-14T12:11:39Z")
Good morning! The following microcircuits were purchased: MAX17579ATC ADRF5022BCCZN ST1L05CPU33R After receiving the microcircuits, there is a need to check the correspondence of the received microcircuits to the na… --- ## [Why does parasitic capacitance matter in MOSFET switching performance?](https://forum.digikey.com/t/why-does-parasitic-capacitance-matter-in-mosfet-switching-performance/68826)
**Author:** [@aamado](https://forum.digikey.com/u/aamado)\ **Replies:** 0\ **Last updated:** [May 13, 2026, 7:13pm UTC](https://forum.digikey.com/t/why-does-parasitic-capacitance-matter-in-mosfet-switching-performance/68826 "2026-05-13T19:13:47Z")
Video: Why does parasitic capacitance matter in MOSFET switching performance? In Episode 2 of MCC Tech Briefs, join us as we break down how parasitic capacitance impacts switching efficiency and power system performan… --- ## [Top Part marking](https://forum.digikey.com/t/top-part-marking/68771)
**Author:** [@imartinez](https://forum.digikey.com/u/imartinez)\ **Replies:** 2\ **Last updated:** [May 12, 2026, 5:53pm UTC](https://forum.digikey.com/t/top-part-marking/68771 "2026-05-12T17:53:17Z")
What should the top part marking be for MPN BZT52B4V7-E3-08? --- ## [Question about PI2MEQX2505Q for MIPI CSI-2 4-lane unidirectional use](https://forum.digikey.com/t/question-about-pi2meqx2505q-for-mipi-csi-2-4-lane-unidirectional-use/68728)
**Author:** [@shinichi.mikami](https://forum.digikey.com/u/shinichi.mikami)\ **Replies:** 3\ **Last updated:** [May 12, 2026, 12:44am UTC](https://forum.digikey.com/t/question-about-pi2meqx2505q-for-mipi-csi-2-4-lane-unidirectional-use/68728 "2026-05-12T00:44:08Z")
Hello, We are considering using PI2MEQX2505Q as a MIPI D-PHY ReDriver for a MIPI CSI-2 application. We have already contacted Diodes Incorporated directly regarding this question, but we have not received a reply yet. … --- ## [Laptop mosfet](https://forum.digikey.com/t/laptop-mosfet/68750)
**Author:** [@computerjoe](https://forum.digikey.com/u/computerjoe)\ **Replies:** 2\ **Last updated:** [May 11, 2026, 5:46pm UTC](https://forum.digikey.com/t/laptop-mosfet/68750 "2026-05-11T17:46:25Z")
I’ve got a laptop that burned the first MOSFET on the 19vdc power input. Can’t find a cross, this 5 pin configuration is different than what I’m used to. Please provide any help you can on identifying it. --- ## [2SB755, 2SD845](https://forum.digikey.com/t/2sb755-2sd845/68747)
**Author:** [@cd\_meek](https://forum.digikey.com/u/cd_meek)\ **Replies:** 1\ **Last updated:** [May 11, 2026, 5:40pm UTC](https://forum.digikey.com/t/2sb755-2sd845/68747 "2026-05-11T17:40:50Z")
Hello! I am looking to find a replacement for a couple of output transistors The originals are 2SB755 and 2SD845 Thanks! --- ## [Ip5306 sop-8](https://forum.digikey.com/t/ip5306-sop-8/68720)
**Author:** [@scasino983](https://forum.digikey.com/u/scasino983)\ **Replies:** 1\ **Last updated:** [May 11, 2026, 12:23pm UTC](https://forum.digikey.com/t/ip5306-sop-8/68720 "2026-05-11T12:23:16Z")
Is there a better version of this? I can only find on AliExpress… --- ## [Diodes Inc, Discrete MOSFET DMN3007LSSQ-13: Meaning of the "13" Suffix?](https://forum.digikey.com/t/diodes-inc-discrete-mosfet-dmn3007lssq-13-meaning-of-the-13-suffix/68714)
**Author:** [@raelynn.roen](https://forum.digikey.com/u/raelynn.roen)\ **Replies:** 0\ **Last updated:** [May 8, 2026, 6:30pm UTC](https://forum.digikey.com/t/diodes-inc-discrete-mosfet-dmn3007lssq-13-meaning-of-the-13-suffix/68714 "2026-05-08T18:30:43Z")
Diodes Incorporated offers a wide array of discrete semiconductor products which do in fact include diodes. It also includes discrete MOSFETs, such as DMN3007LSSQ-13. We’ve had a few customers recently order this produ… --- ## [Where are the "old components"?](https://forum.digikey.com/t/where-are-the-old-components/68668)
**Author:** [@DemiGod](https://forum.digikey.com/u/DemiGod)\ **Replies:** 2\ **Last updated:** [May 7, 2026, 2:46pm UTC](https://forum.digikey.com/t/where-are-the-old-components/68668 "2026-05-07T14:46:45Z")
does anyone know where i can find A968A (2SA968A) complementary pair C2238A (2SC2238A) or suitable subs? --- ## [Products detail clarification of Infineon Technologies' CY7C1061GE30-10ZXI order number](https://forum.digikey.com/t/products-detail-clarification-of-infineon-technologies-cy7c1061ge30-10zxi-order-number/68637)
**Author:** [@Rolf\_Horn](https://forum.digikey.com/u/Rolf_Horn)\ **Replies:** 0\ **Last updated:** [May 6, 2026, 11:07am UTC](https://forum.digikey.com/t/products-detail-clarification-of-infineon-technologies-cy7c1061ge30-10zxi-order-number/68637 "2026-05-06T11:07:17Z")
we can confirm to our customers that we found 2015-CY7C1061GE30-10ZXI-ND as an alternative for CY7C1061GE30-10ZXI as IC SRAM 16Mbit PARALLEL in 48TSOP and Industrial Temperature range of Infineon Technologies and this … --- ## [Having boot issue with STM32n647l0h3q microcontrollers](https://forum.digikey.com/t/having-boot-issue-with-stm32n647l0h3q-microcontrollers/68507)
**Author:** [@EugeneV](https://forum.digikey.com/u/EugeneV)\ **Replies:** 12\ **Last updated:** [May 6, 2026, 1:26am UTC](https://forum.digikey.com/t/having-boot-issue-with-stm32n647l0h3q-microcontrollers/68507 "2026-05-06T01:26:32Z")
Debugging prototype PCB design using 7 stm32n647l0h3q microcontrollers. Not able to get chips to boot and reply to queries. Would like suggestions on possible issues and solutions. --- ## [Vishay Siliconix Dual MOSFET's in SC-70-6 and SC89-6 packages tape orientation](https://forum.digikey.com/t/vishay-siliconix-dual-mosfets-in-sc-70-6-and-sc89-6-packages-tape-orientation/68549)
**Author:** [@dany\_haikin](https://forum.digikey.com/u/dany_haikin)\ **Replies:** 0\ **Last updated:** [May 4, 2026, 10:16am UTC](https://forum.digikey.com/t/vishay-siliconix-dual-mosfets-in-sc-70-6-and-sc89-6-packages-tape-orientation/68549 "2026-05-04T10:16:25Z")
Vishay Siliconix Dual Symmetrical N/P-Channel MOSFET’s in SC-70-6 and SC89-6 packages can have reversed orientation inside the tape: This “reversed” orientation is allowed. The parts (like SQ1902AEL-T1\_GE3 for examp… --- ## [Clarification on SESD8008MUTAG vs ESD8008MUTAG – Missing Datasheet Information](https://forum.digikey.com/t/clarification-on-sesd8008mutag-vs-esd8008mutag-missing-datasheet-information/68538)
**Author:** [@Idan](https://forum.digikey.com/u/Idan)\ **Replies:** 0\ **Last updated:** [May 4, 2026, 5:46am UTC](https://forum.digikey.com/t/clarification-on-sesd8008mutag-vs-esd8008mutag-missing-datasheet-information/68538 "2026-05-04T05:46:56Z")
Hi everyone, I noticed that there is no dedicated datasheet or clear documentation available for part number SESD8008MUTAG of onsemi, while detailed information exists for ESD8008MUTAG. For reference, the product famil… --- ## [1B4B41 Replacement](https://forum.digikey.com/t/1b4b41-replacement/68528)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 4:10am UTC](https://forum.digikey.com/t/1b4b41-replacement/68528 "2026-05-03T04:10:35Z")
This post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. 1B4B41 is a bridge rectifier that is no… --- ## [NJM4559DE Alternative](https://forum.digikey.com/t/njm4559de-alternative/68527)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 4:07am UTC](https://forum.digikey.com/t/njm4559de-alternative/68527 "2026-05-03T04:07:06Z")
this post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. NJM4559DE is an op amp that we currentl… --- ## [25C1844 Alternatives](https://forum.digikey.com/t/25c1844-alternatives/68526)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 4:03am UTC](https://forum.digikey.com/t/25c1844-alternatives/68526 "2026-05-03T04:03:47Z")
this post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. 25C1844 is an NPN transistor produced b… --- ## [2SA991 Alternate](https://forum.digikey.com/t/2sa991-alternate/68525)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 4:01am UTC](https://forum.digikey.com/t/2sa991-alternate/68525 "2026-05-03T04:01:22Z")
this post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. 2SA991 appears to be unavailable, from … --- ## [Alternate for 2SK163](https://forum.digikey.com/t/alternate-for-2sk163/68524)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 3:58am UTC](https://forum.digikey.com/t/alternate-for-2sk163/68524 "2026-05-03T03:58:46Z")
this post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. Part number 2SK163 is not currently ava… --- ## [2SC2236 Alternative](https://forum.digikey.com/t/2sc2236-alternative/68523)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 3:56am UTC](https://forum.digikey.com/t/2sc2236-alternative/68523 "2026-05-03T03:56:46Z")
this post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. 2SC2236 is a transistor that went obsol… --- ## [2SC2528 Alternate](https://forum.digikey.com/t/2sc2528-alternate/68522)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 3:54am UTC](https://forum.digikey.com/t/2sc2528-alternate/68522 "2026-05-03T03:54:34Z")
this post is for informational purposes only. Please review the manufacturer datasheet before purchase to verify that any recommended parts are appropriate for your application. Looking into part number 2SC2528, it se… --- ## [25AA256/25LC256 MSL Ratings](https://forum.digikey.com/t/25aa256-25lc256-msl-ratings/68515)
**Author:** [@chris\_groom](https://forum.digikey.com/u/chris_groom)\ **Replies:** 0\ **Last updated:** [May 3, 2026, 3:21am UTC](https://forum.digikey.com/t/25aa256-25lc256-msl-ratings/68515 "2026-05-03T03:21:00Z")
We sometimes get questions on the MSL ratings for 25AA256 and derivative parts, where there appears to be conflicting information between the listed moisture sensitivity level and what is shown on the actual packaging of… --- ## [Beyond the Datasheet: Mastering Current Sensing Selection](https://forum.digikey.com/t/beyond-the-datasheet-mastering-current-sensing-selection/68470)
**Author:** [@sdaly](https://forum.digikey.com/u/sdaly)\ **Replies:** 0\ **Last updated:** [April 30, 2026, 6:51pm UTC](https://forum.digikey.com/t/beyond-the-datasheet-mastering-current-sensing-selection/68470 "2026-04-30T18:51:45Z")
This comprehensive series provides expert guidance to help you navigate critical current sensor trade-offs in the selection process. Gain the foundational insights needed to optimize your sensing performance, enabling yo… [Previous page](https://forum.digikey.com/c/semiconductor/98.md?page=6) [Next page](https://forum.digikey.com/c/semiconductor/98.md?page=8)