SMD code 26 in SOT-343
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.
1 part in SOT-343 is printed 26
Not sure which one you have?
Answer up to 4 quick questions and these 40 parts are ranked, with a meter test that settles it. It works on a dead part too.
R3111Q261BSOT-343Voltage supervisor, 4 pins, RicohVoltage supervisor4 pinsRicoh
- What it is
- Voltage supervisor
- Maker
- Ricoh
- Package
- SOT-343
- Pins
- 4
- Details
- Voltage detector IC: 2.6V±2%, +Reset ODO
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
14 more parts have no package on record. Nothing rules them out, so they stay.
CDBMT260-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 60 V, 2 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
CHSBFJGPSchottky diode, ChenmkoSchottky diodeNot recordedChenmko
- What it is
- Schottky diode
- Maker
- Chenmko
- Package
- Not recorded
- Pins
- Not recorded
- Details
- SCHOTTKY BARRIER RECTIFIER, 60 V, 2.0 A
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
CHSDBFJGP-ASchottky diode, ChenmkoSchottky diodeNot recordedChenmko
- What it is
- Schottky diode
- Maker
- Chenmko
- Package
- Not recorded
- Pins
- Not recorded
- Details
- SCHOTTKY BARRIER RECTIFIER, 60 V, 2.0 A
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MHSchottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MH-Q1Schottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MHTSchottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MHT-Q1Schottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MSSchottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MS-Q1Schottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MSTSchottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FM260-MST-Q1Schottky diode, Formosa MicrosemiSchottky diodeNot recordedFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
FPF2266UCXLoad switch, onsemiLoad switchNot recordedonsemi
- What it is
- Load switch
- Maker
- onsemi
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Protection Switch, with OVP/OTP/OCP Function, 24 V, 4.5A
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Load switch.
LMBR260ET1GSchottky diode, LRCSchottky diodeNot recordedLRC
- What it is
- Schottky diode
- Maker
- LRC
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Schottky diode, VR 60 V, IF 2 A, VF Max 0.6 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
RBR2VWM60ASchottky diode, ROHMSchottky diodeNot recordedROHM
- What it is
- Schottky diode
- Maker
- ROHM
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Schottky Barrier Diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
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.
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.
Schottky diode
Diode range, part lifted or one leg off the pad. Red probe on the anode.
Working, it reads
About 0.15 to 0.45 V anode to cathode, roughly half a silicon diode, and open the other way.
Dead, it reads
- The same reading both ways round, near 0 V with a continuous beep or the same middling value: shorted.
- A reading the wrong way round as well: leaky.
- Open both ways: failed open.
- 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 large Schottky can read about 0.1 V forward and beep like a short, and leaks a little the wrong way when good, more when warm. It is shorted only if it reads the same both ways. Measure it cold, beside an identical cold one.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Load switch
Voltage, board powered, black probe on ground.
Working, it reads
Switched on, the output pin sits at the input voltage. Switched off, it sits near 0 V.
Dead, it reads
- Output at the input voltage while switched off: the pass element has shorted.
- Input present and switched on, no output: failed open, or shut down into a shorted load. Power off and measure output to ground.
- On the board:
- An output near 0 Ω to ground is usually the load. Lift the output pin to see which.
- Compare:
- If an identical part sits elsewhere on the board, measure it the same way: that is what this one should read.
- Watch for:
- The pinout and whether the enable is active high or low differ between parts. The datasheet gives both.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed with a code easy to misread as 26
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
Codes not listed here are printed on 1 more part.
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