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Toshiba Semiconductor TLP293-4(LA-TP,E — Optoisolators
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Toshiba Semiconductor / Optoisolators

TLP293-4(LA-TP,E Optoisolator – 3750Vrms, 4-Ch, SOIC-16

MPN TLP293-4(LA-TP,E
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Toshiba TLP293-4(LA-TP,E, quad-channel DC-input transistor-output optocoupler, 3750Vrms isolation, SOIC-16 surface-mount package, -55°C to 125°C operating range.

In Stock: 15 pcs
MOQ: 1 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (16)
Package / Case 16-SOIC (0.179", 4.55mm Width)
Output / Current 50mA

Full Technical Specifications

16 Parameters
TLP293-4(LA-TP,E specifications
Parameter / AttributeSpecification / Value
Input typeDC
Output typeTransistor
MountingSurface Mount
Voltage - isolation3750Vrms
Voltage - output80V
Voltage - forward (Vf)1.25V
Current - output (Channel)50mA
Current transfer ratio600% @ 500µA
Current - DC forward (If)50 mA
Operating temperature-55°C ~ 125°C
PackageTape & Reel (TR); Cut Tape (CT)
Case16-SOIC (0.179\", 4.55mm Width)
Channels4
Vce saturation300mV
Rise (Fall time)2µs, 3µs
Turn on (Turn off time)3µs, 3µs
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Technical Details & Description

Quad-channel galvanic isolator — 3750Vrms in SOIC-16

The TLP293-4(LA-TP,E is a four-channel optocoupler from Toshiba that uses a DC-input LED and phototransistor output to provide 3750Vrms isolation between input and output circuits. Each channel can sink up to 50mA at a maximum output voltage of 80V, making it suitable for logic-level shifting, PLC digital inputs, and isolated sensor interfaces. The 16-SOIC package (4.55mm width) fits standard surface-mount assembly flows and is available on tape and reel or cut tape.

CTR spread and switching speed — design margin check

Current transfer ratio (CTR) is specified from 50% min to 600% max at a forward current of 500µA. This wide spread means the minimum CTR drives the worst-case load current; at 50% CTR and 500µA input, the output can sink at least 250µA. Typical rise and fall times are 2µs and 3µs respectively, with turn-on and turn-off times both at 3µs typ — adequate for 10–100 kHz switching in industrial logic isolation.

Active production — RoHS compliant, sourcing per RFQ

TLP293-4(LA-TP,E carries active product status from Toshiba and is RoHS compliant.

Frequently asked questions

Is TLP293-4(LA-TP,E RoHS compliant?

Yes, it is listed as RoHS Compliant.

What is the closest functional alternative to TLP293-4(LA-TP,E?

The TLP293-4(LA-TR,E is the tape-and-reel variant with identical electrical ratings — 3750Vrms isolation, 4 channels, transistor output, same CTR and timing specs. The TLP293-4(LA,E is the tube-packaged version. All share the same die and SOIC-16 footprint.

What temperature range does TLP293-4(LA-TP,E support?

It is rated for -55°C to 125°C, covering military-grade thermal environments.

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