SMD code 24A in SOT-353
Marking codes are not standardised, and the same code is reused by unrelated makers for unrelated parts. Below is every part in our tables printed with it, and any printed with a code that is easy to misread as it, from the manufacturers' own marking tables and published code lists.
4 parts in SOT-353 are printed 24A
Not sure which one you have?
Answer up to 4 quick questions and these 28 parts are ranked, with a meter test that settles it. It works on a dead part too.
AP6213A-10NHFGPSOT-353LDO regulator, 5 pins, Anwell SemiconductorLDO regulator5 pinsAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- SOT-353
- Pins
- 5
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 300mA. +CE, CL fast, H-free
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP6213A-10NHFGP1SOT-353LDO regulator, 5 pins, Anwell SemiconductorLDO regulator5 pinsAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- SOT-353
- Pins
- 5
- Details
- Linear voltage regulator IC: LDO, 1.0V±1%, 300mA. +CE, CL fast, H-free
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP6213A-10NHFPPSOT-353LDO regulator, 5 pins, Anwell SemiconductorLDO regulator5 pinsAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- SOT-353
- Pins
- 5
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 300mA. +CE, CL fast
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP6213A-10NHFPP1SOT-353LDO regulator, 5 pins, Anwell SemiconductorLDO regulator5 pinsAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- SOT-353
- Pins
- 5
- Details
- Linear voltage regulator IC: LDO, 1.0V±1%, 300mA. +CE, CL fast
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
11 more parts have no package on record. Nothing rules them out, so they stay.
1.5SMCJ24ATVS diode, Taitron ComponentsTVS diodeNot recordedTaitron Components
- What it is
- TVS diode
- Maker
- Taitron Components
- Package
- Not recorded
- Pins
- Not recorded
- Details
- SMD TVS - 1500W
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
M2284AA31DDC-DC converter, 6 pins, Global Mixed-mode TechnologyDC-DC converter6 pinsGlobal Mixed-mode Technology
- What it is
- DC-DC converter
- Maker
- Global Mixed-mode Technology
- Package
- Not recorded
- Pins
- 6
- Details
- 4A 2.2MHz, COT Synchronous Step-Down Converter
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Integrated circuit.
P4SMASF24ATVS diode, Formosa MicrosemiTVS diodeNot recordedFormosa Microsemi
- What it is
- TVS diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
PLZ24AZener diode, VishayZener diodeNot recordedVishay
- What it is
- Zener diode
- Maker
- Vishay
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 24 V Zener diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
SM15KWE24ATVS diode, ProTek DevicesTVS diodeNot recordedProTek Devices
- What it is
- TVS diode
- Maker
- ProTek Devices
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 15 Kilowatt TVS Components
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
TESD5V0V4UAESD protection diode, Taiwan SemiconductorESD protection diodeNot recordedTaiwan Semiconductor
- What it is
- ESD protection diode
- Maker
- Taiwan Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
3PMT24ATVS diode, Microsemi Integrated Products DivisionTVS diodeNot recordedMicrosemi Integrated Products Division
- What it is
- TVS diode
- Maker
- Microsemi Integrated Products Division
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Transient voltage supressor: Vvm=24V, Vbr=26.7V, Vcl=38.9V, 38.6A, 1500W(1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
AP6213A-10NHFGSLDO regulator, Anwell SemiconductorLDO regulatorNot recordedAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 300mA, +CE, fast autodis., H-free
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP6213A-10NHFGS1LDO regulator, Anwell SemiconductorLDO regulatorNot recordedAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Linear voltage regulator IC: LDO, 1.0V±1%, 300mA, +CE, fast autodis., H-free
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP6213A-10NHFGULDO regulator, Anwell SemiconductorLDO regulatorNot recordedAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 300mA. +CE, CL fast, H-free
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP6213A-10NHFGU1LDO regulator, Anwell SemiconductorLDO regulatorNot recordedAnwell Semiconductor
- What it is
- LDO regulator
- Maker
- Anwell Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Linear voltage regulator IC: LDO, 1.0V±1%, 300mA. +CE, CL fast, H-free
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
Is it dead? One meter test per kind
Parts of the same kind are tested the same way, so each test is here once. Each part above points to its own.
Voltage regulator
Voltage, board powered, black probe on ground. Then ohms with the power off.
Working, it reads
Input pin at the supply, output pin at its rated voltage, and the enable pin high if it has one.
Dead, it reads
- Output equal to the input: the pass element has shorted. Everything after it may have taken the full input.
- Input present, enable high, no output: failed open, or holding itself off into a shorted load. Power off and measure output to ground.
- Power off, input to output near 0 Ω: shorted.
- On the board:
- An output at 0 V is often a shorted load with the regulator in current limit. Lift the output pin: if the short stays on the board, the regulator may be fine.
- Compare:
- The same regulator on another rail or another board shows the right voltages and the right resistances.
- Watch for:
- Makers put input, output and ground on different pins in the same package, so take them from this part's datasheet. Diode or ohms readings between its pins say little; check it powered.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
TVS or ESD protection diode
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
- From the line to ground, the same reading both ways, near 0 V with a continuous beep: shorted.
- A reading both ways on a one-way part: leaky.
- A one-way part open both ways: failed open.
- On the board
- , a line reading shorted to ground can be this part or anything else on that line. Lift it: if the short goes with it, it has failed.
- Compare:
- The same part on the next line or connector pin is the healthy reading to compare with.
- Watch for:
- A two-way part reads open both ways when it is good, exactly like one that has failed open. The meter cannot tell them apart; an identical part on the next line can.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Integrated circuit
Voltage with the board powered; ohms from each pin to ground with it off.
Working, it reads
Supply pin at its voltage and the output doing what the datasheet says. Readings between pins depend on the part.
Dead, it reads
- A pin near 0 Ω to ground or to the supply pin where an identical part does not read that: failed short.
- Supply present, output stuck: failed, or its load has.
- On the board:
- A pin shorted to ground on the board can be anything on that net. Lift the pin to be sure.
- Compare:
- The surest reference is the same IC on a working board, measured pin by pin.
- Watch for:
- Its protection diodes can read like junctions between pins, even like a transistor. That proves nothing either way.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Zener diode
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
- The same reading both ways round, near 0 V with a continuous beep or the same middling value: shorted.
- Open both ways, forward too: failed open.
- Holds well off its rated voltage on the supply test: drifted.
- A soft knee, or a voltage that creeps on the supply test: leaky.
- On the board
- this is a first look only: the meter reads every path between those pins, and a short can be a neighbour. Lift one leg before you condemn it.
- Compare:
- If an identical part sits elsewhere on the board, measure it the same way: that is what this one should read.
- Watch for:
- A meter's diode range stops at about 2 to 3 V, so almost every Zener reads open in reverse on it, good or bad; a 3 V meter may just show a 2.4 or 2.7 V part. Above about 3 V the meter cannot tell a Zener from a plain diode.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Codes that begin with 24A
For a marking with its end worn or burnt off. Each code has a page of its own.
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