Questions tagged [replacement]
The replacement tag has no usage guidance.
135
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Can I use LQFP on same TQFP footprint?
I need to order a 32 pin LQFP chip and replace it with another 32 pin TQFP chip so is it ok to replace it or it won't be compatible?
The chip is an STM8S003K3 MCU
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Replacing 8 AA batteries with 3 186500 batteries
My old R/C toy car, can be powered with 8 1.5V AA batteries or 8 1.2V Ni-Cad Batteries. Currently I try to use 3 186500 Li-Ion batteries instead. I planned to use a charger- and protection module ...
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Help find alternative AC capacitor replacement for refrigerator compressor [closed]
My mini fridge is broken and doesn't blow cold air. I'm suspecting it's the capacitor because it tested bad and I don't hear the compressor humming when turned on (all fan runs). I wanna try replacing ...
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WR91700 datasheet or pinout
After several attempts trying to find out the datasheet or pinout of WR917O0 IC, I only have found a service manual of PSR-S710-S910 Yamaha workstations. The IC is included in the list of components ...
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148
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MOSFET transistor replacement for Proform T7 Treadmill
Treadmill motor turns for a second and immediately stops. After researching issue, looks to be a blown IRFP250M
IOR P039J 20 8J.
My question is, I'm having trouble finding a replacement that includes ...
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How to choose a replacement battery
I want to replace a battery to an old electronic but the company went out of business and I cannot find the same one and the one I have doesn't last long at all. I would love to replace it with a ...
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Disc capacitor ratings for replacement
I'm repairing some vintage electronics, and there are a handful of cracked ceramic disc capacitors that need replacement. They're mostly for decoupling, but I want to make sure I'm replacing with ...
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replacing NEC/TOKIN 0E907 capacitor under laptop CPU with 4 2R5TPE330M7 capacitors
as the tittle says i want to replace a failed NEC/TOKIN 0E907 capacitor under a laptop motherboard's cpu with 4 2R5TPE330M7 capacitors but im new to things like these and i want to know if the 990uF ...
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Is an RFP50N06 a valid replacement for an IRF50N06 MOSFET?
I recently blew a MOSFET in my car audio amplifier because some water got on it. The MOSFET used in the amplifier is an IRF50N06. I was wondering if the RFP50N06 MOSFET would be a good replacement ...
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Repairing a control board for an automatic gate opener, it has a faulty trimpot 100k 906k
FAAC control board 12 V has a faulty trimmer (single turn rotary carbon). I could not find the exact values in a replacement part. Can I use one with the values 705 100k? It is used to adjust the ...
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Fixing runaway sewing machine - blown transistor?
Disclaimer: I know very little about electronics, but I'm willing to learn as I go. My experience consists of playing with Arduinos and fixing a lamp by soldering a replacement switch. Please be ...
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Replacing current shunt resistor with different value. Is there a problem?
I have Nitecore UM2 (2 slot) battery charger whose current sense/shunt resistor of 0.1 ohms R100 (package 1206) blown. I replaced with working slot to see if everything works good and it is.
I am ...
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Disconnect vertical tab connector from PCB
I'm trying to replace a PCB, but I can't figure out how to unplug these connectors. They seem to be a "quick connect" style. I've tried tugging on them and wiggling them, but they won't come ...
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153
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Looking for replacement transistor for Branson B52 ultrasonic cleaner
I’m trying to repair a Branson B52 ultrasonic cleaner which has two bad transistors since the wires broke off the transducers.
I fixed that up, and noticed when running (barely and would fail the ...
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I want to replace battery on my Acer Aspire ES1-111 and I'm having hard time choosing batteries online [closed]
-My original battery is AC14B13J---TYP3220mAh/36Wh---MIN3090mAh/34.5Wh---11.4V 3140mAh
-The one I found online has the same description as my original battery, but it has an 11.55V 3180mAh. Is it okay ...
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Identify a replacement 12-pin ribbon cable push in socket
I need to identify a replacement for this 12 pin flat cable connector. I don't seem to be able to find the right google terms to come up with a useful result. A 12 pin AWM 2896 cable plugs into this. ...
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Transistor: What is "epitaxial planar type"?
I need to replace a (panasonic) transistor and read the datasheet to possibly replace it with something else. However in the datasheet they call this transistor a "Silicon NPN Epitaxial Planar ...
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181
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SOT23 package jumper [duplicate]
I’m replacing some components on existing PCB, and I need to replace transistor in SOT23 package with a jumper. Problem is that none of the standard jumper packages are not suitable for more than a ...
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Why do cordless tool batteries have a circuit board connected?
The other day I got tired of buying replacement 18 V battery packs for my power tools (drill, ripsaw, etc.) and I thought to myself, surely by this day and age the price of lithium-ion batteries can't ...
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Replacing lost SMD capacitor from another board
I was trying to fix a board and I lost an SMD capacitor. On the diagram it says "10UF/6.3V."
I have another board for another laptop and I found these on the diagram, which one is the ...
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116
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Replacement relay - slightly different specs
I have an old kitchen range hood whose lighting suddenly stopped working. With my limited knowledge and capabilities in this field, I was able to access the PCB just to see that the power relay is ...
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2SB1241 Transistor replacement
I have a Peavey PV8 USB Mixing console which doesn't turn on anymore, the problem is a burned PNP switching the +15V rail.
The Marking of the transistor is B1241 but due to the 3-SIP package im pretty ...
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If an IGBT's collector-emitter max voltage is 600 V, Do I need 1 kV rated capacitors on the output side?
I'm fixing this solar PV diverter (pictures attached at the bottom of this post), other than the traces it has a blown IGBT and 2 capacitors.
The datasheet for the IGBT (model FGH40T65SPD) is here:
...
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Can I replace an SRAM chip with a faster one?
I need to replace an SRAM chip with an access time of 25ns (AS7C256-25JC). How important is the access time? Can I replace it with one with a lower access time, such as the AS7C256A-20JC at 20ns, or ...
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Operate servo based on AC voltage: solenoid replacement
In short, I’m trying to find a substitute for a solenoid in a system that was operating based on 120V. The servo needs to rotate a little shaft about 45 degrees when the voltage comes on, and then ...
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491
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Fried diode - need help buying replacement
Full disclosure, I'm not an electrician by any means. My dad was an electrician in the Navy, but we lost him last year. Since I don't have him to look to anymore, I'm hoping I can find some help here.
...
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389
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Have cross reference books ceased to exist?
Back in the "good old times" when I had a device fail I could grab my trusty old transistor cross reference book and find a replacement part with the same footprint and comparable parameters ...
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Replacing 12V 19AH lead acid battery with 12V lifepo4
I have a Stanley PPRH7DS battery charger that came originally with a 12V 19AH lead acid battery. This battery has since given up the ghost and I am looking to replace it.
Last summer I constructed a ...
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What does "FB" for a fuse mean?
I have a blown GE 250v 20a FB WB27X27316 that I need to replace.
Unfortunately, GE doesn't have them in stock for another 3 months. I want to replace it with another off-the-shelf fuse, but I don't ...
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Defective Transformer Replacement
I've been working on repairing a TV psu, and discovered that the transformer in it is faulty (reading O.L. on every combination of pins except for diagonal in ohms mode on the DMM)
I've been looking ...
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Help with identifing replacement parts [duplicate]
I am still learning about electronics and was hoping for some help regarding two components I am trying to replace (due to a faulty connector and my stupid fault).
With the help of @Lundin, they ...
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Finding replacement battery
I would like to revive an older gadget (GT-100 GPS tracker) that is still functional but has a dead battery. However, I am unable to find detail about proper battery type.
The original battery says ...
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eMMC chip change. Does not work for unknown reason
Because of the chip crisis, I had to use (the only ones which were available at the time) different eMMC chip.
Originally it was MTFC16GAPALBH-IT, but I have temporarily replaced it with MTFC4GLWDM-4M ...
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Need help with a replacement thermistor
I recently bought a used IKEA ceiling light however when getting it home noticed that it seems the live wire is connected to a thermistor? which then has another short wire where you connect to mains ...
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MOSFET identification for hoverboard repair - markings SW FK2J3 95N68A
I am trying to fix a Jetson Plasma hoverboard.
I have a removed a few MOSFETs that I believe have failed.
I have searched Digikey and Mouser and have been unable to identify a replacement part.
Here ...
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What do you test when changing parts [closed]
Let's say some parts within one of your products are discontinued. You already have a replacement that seems to fit from specifications. What tests do you usually conduct to verify proper operation? ...
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What do I have to look for when replacing a MOSFET with a different model? [duplicate]
We are currently repairing the memory rail of a GPU and because a MOSFET burnt out, we would like to replace it. The issue is, that we only have one that is a similar model, namely we would like to ...
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Cree LED problem
We have a production circuit of 24 series/parallel LED arrays. Blocks of LEDs fail on power-up.
Has anyone seen this before? The sequence of events is:
An LED tests as bad in circuit.
LED is removed ...
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Replacement for low resistance JFET current limiter?
A classic way to protect opamps from excessive input current and still preserve a low source resistance (for noise reasons) is to use dual JFETs in combination with rail-clamps internal to the op-amp.
...
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337
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Neon bulb lamp replacement for surge suppression
I'm restoring an HP 141T and it has a broken neon lamp which is used I believe as surge protection in the following configuration:
On the right is the CRT. I believe the only purpose for such lamps ...
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Replacing 10uF tantalum capacitors with X7R in ADM2587E circuit
I'm working on some device with isolated RS485 based on ADM2587E transceiver with integrated high frequency isolated DC/DC converter.
This IC is a bit tricky if you need low EMI, because DC/DC ...
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Looking for a pin-compatible to LT1013DID rail-to-rail in/out op-amp
I have designed a circuit using LT1013DID (SOIC 8 footprint) op-amp and while Spice simulation worked, I forgot about input common-mode voltage limit (which it seems is not simulated) and thus need an ...
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Help decode/identify/guess this blown ceramic capacitor?
My monitor's backlight died (can still see screen with torch).
Found a blown ceramic disc capacitor. The problem is it's partly exploded over the values. I'm hoping people here might have a better ...
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What's the right replacement for vintage "glass cloth insulation" that transfers heat in Variac?
I ripped apart a broken 1950s-era Variac autotransformer to diagnose an internal short in the core, and found a layer of gooey insulating fabric mat between the coil/taps and the mounting plate:
The ...
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Can I replace one with the other? L7805CP, L7805CV
Are those chip equal in a circuit?
L7805CP, L7805CV
Can I replace one with the other to try to fix a broken circuit board?
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Is there are better component to use rather than multiple diodes?
I am a long time computer programmer, but am fairly new at creating my own circuits. The project I am working on currently is functioning properly, but I thought there may be a more elegant solution.
...
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Substitution for 0.1Ω 2W metal film resistor?
I'm attempting to repair a Pure Sine Wave Inverter.
I need to replace a damaged 0.1Ω 2W metal film resistor. I found the part that should work on digitkey: https://www.digikey.com/en/products/detail/...
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Help finding a replacement part? [closed]
I have a subwoofer that my friend and I found so I do not know too much about it. When I was transporting it, it fell and one of the knobs on the front was broken. I took it apart to see if I could ...
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Need help with weird audio wire colors
I would like to replace my broken earphone's 3.5mm audio jack. However, I am not able to indicate which wire is the right (red) and which is the left (green). I see the red and green wires but they ...
