Questions tagged [to220]
Three-pin PTH package with a heat sink tab for medium power components. Often used for MOSFETs, BJTs and voltage regulators.
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How large would my heatsink need to be for the IRLB4132 at 12.6 V and 60 A
I'm building a power distribution board (PDB) for my drone, which is powering 4 ESCs and an Arduino 33 BLE Sense Rev2.
I’m using a 3s LiPo battery which provides 12.6V at max charge. My ESCs are rated ...
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Converting TO-263 to TO-220?
I’m trying to repair an amp where the power MOSFETS (HUF76639) are no longer available in a TO-220 package. They’re currently available in TO-263 package. I’m thinking of adapting the TO-263 package ...
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TO-220 vs TO-3 advantages/disadvantages
Simple Question:
What are the advantages and disadvantages of TO-220 package vs TO-3 package in different applications/power requirements? Is there a best route?
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Mounting an 11W SCR with a Flat Profile
I have two SCRs in my design that will be switching up to 15A at 120-240VAC. The two devices will split the power, with each one conducting a half cycle. I'm considering using the S6025 by Littelfuse.
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Are TO-220 and TO-247 MOSFET heatsinks compatible?
Are TO-220 and TO-247 MOSFET heatsinks compatible?
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What IC is this TO-220?
This IC, 5TB06-700BW, is sitting on a motor controller PCB (manufactured in 1998). Pin 1 and 2 are attached to 230V lines, while pin 3 is attached to the output-pin on a U2010B phase control IC. The ...
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Does the direction of the screw for heatsink mounting matter?
I am currently design a high power system transistors in TO220 package.
I am planning to mount those transistors on a metal box that will act as a dissipator/heatsink for the transistors. The walls of ...
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Is it normal to have 3.3 V in the heat pad of a LD1117V33C linear regulator (TO-220)?
I assembled my first PCB and started measuring everything to validate that it is correct.
When it was the turn of the a TO-220 linear regulator (LD1117V33C) I got surprised to see 3.3 V in the heat ...
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Why does the LM317 have such a thin metal tab?
Take a look at the pictures below. The TO-220 with a thin tab is the LM317 (STMicroelectronics) and the TO-220 with the thicker tab is the IRF540N (International Rectifier).
If you take a look at the ...
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Where can I get a 3D CAD model of the lead frame of TO220-2L?
I am new to electronics packaging and searching for a 3D CAD model of TO220 with 2 leads. I have tried at numerous websites without any luck. If anyone has a 3D CAD model of this lead frame or can ...
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4940v5 drop-in replacement for LM7805?
I am a novice who purchased several TO-220 L4940v5 chips thinking they were drop-in replacements for the inefficient TO-220 7805s that I've been using. But not a single one seems to work. No heat, ...
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What is the orientation of the pins in this drawing of an L4940V5 TO-220?
I am a novice trying to build a circuit using a L4904v5 voltage regulator. The datasheet has the following images:
This 2D pinout drawing gives me few clues about which side I am viewing it from. I ...
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How to remove solder mask in Eagle
I want to remove solder mask in particular area for mount a TO220 package.
As shown in below image I want to mount the 7805 using a M3 nut and need to remove solder mask only in covering area. (like ...
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Electrical insulation resistance of TO-220 package with SIL pad and plastic shoulder washer?
What would a ballpark insulation voltage (HI-POT) rating be for a TO-220 package (with a "hot" tab) mounted to a grounded heat-sink with SIL pad and shoulder washer?
I am not seeing much ...
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Intermittent power dissipation calculation on TO-220 package
For a certain application I will be using this resistor. I might also go for this other resistor if needed.
The working conditions are:
Ambient temperature (max): 70 ºC
Power to be dissipated: 15 W
"...