SMD code 14L in SOD-123
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 SOD-123 is printed 14L
Not sure which one you have?
Answer up to 4 quick questions and these 16 parts are ranked, with a meter test that settles it. It works on a dead part too.
LFM140-MSOD-123Schottky diode, 2 pins, Formosa MicrosemiSchottky diode2 pinsFormosa Microsemi
- What it is
- Schottky diode
- Maker
- Formosa Microsemi
- Package
- SOD-123
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
14 more parts have no package on record. Nothing rules them out, so they stay.
ACDBQC140L-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
ACDBUC140L-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
CDBQC140L-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
CDBUC140L-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
CDBUR140L-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
KLFM140-T1006Schottky 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.
KLFM140-T1608Schottky 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.
KLFM140-T1608-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.
LFM140-HSTSchottky 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.
LFM140-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.
LFM140-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.
LFM140-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.
LFM140-SFSchottky 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.
PMA3-14LN+RF amplifier (MMIC), Mini-CircuitsRF amplifier (MMIC)Not recordedMini-Circuits
- What it is
- RF amplifier (MMIC)
- Maker
- Mini-Circuits
- Package
- Not recorded
- Pins
- Not recorded
- Details
- MMIC amplifier, 0.05-10 GHz
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: RF amplifier.
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.
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.
RF amplifier
Voltage, board powered, on the output pin that the bias resistor or choke feeds.
Working, it reads
The output pin sits at the device voltage the datasheet gives, a few volts, below the supply.
Dead, it reads
- Output pin at 0 V, or near 0 Ω to ground with the power off: shorted inside.
- Output pin at the full supply voltage: open inside, no current flowing.
- On the board:
- Measured on the board with power on; the bias network is part of the reading.
- 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 figures depend on the part and its bias resistor. 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 14L
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
Codes that begin with 14L
For a marking with its end worn or burnt off. Each code has a page of its own.
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