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Toshiba Semiconductor TLP385(BLL,E — Optoisolators
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Toshiba Semiconductor / Optoisolators

TLP385(BLL,E Optoisolator – 5000Vrms, DC Input

MPN TLP385(BLL,E
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Toshiba TLP385(BLL,E, single-channel transistor-output optoisolator, 5000Vrms isolation, DC input, 6-SOIC 4-lead package, 200%–400% CTR at 5 mA, -55°C to 110°C

In Stock: 375 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (16)
Package / Case 6-SOIC (0.173", 4.40mm Width), 4 Leads
Output / Current 50mA

Full Technical Specifications

16 Parameters
TLP385(BLL,E specifications
Parameter / AttributeSpecification / Value
Input typeDC
Output typeTransistor
MountingSurface Mount
Voltage - isolation5000Vrms
Voltage - output80V
Voltage - forward (Vf)1.25V
Current - output (Channel)50mA
Current transfer ratio400% @ 5mA
Current - DC forward (If)50 mA
Operating temperature-55°C ~ 110°C
PackageTube
Case6-SOIC (0.173\", 4.40mm Width), 4 Leads
Channels1
Vce saturation300mV
Rise (Fall time)2µs, 3µs
Turn on (Turn off time)3µs, 3µs
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Technical Details & Description

5000Vrms isolation in a 4-pin 6-SOIC

The TLP385(BLL,E is a single-channel transistor-output optocoupler from Toshiba, delivering 5000Vrms isolation in a 6-SOIC package with 4 leads.

CTR range and switching speed

The current transfer ratio spans 200% to 400% at a 5 mA forward current.

Supplied in a tube, the part is a surface-mount 6-SOIC with a 0.173-inch body width and 4.40 mm height — the 4-lead variant leaves two pins unpopulated. The 80 V output rating and 50 mA continuous output current cover most signal-level isolation needs.

Frequently asked questions

What is the current transfer ratio (CTR) range for TLP385(BLL,E?

The CTR is specified at 200% minimum and 400% maximum, both measured at a forward current of 5 mA. This range gives you a guaranteed drive capability of 10–20 mA on the output side from a 5 mA input.

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