
For Reference Only
Part Number | TLP291(E) |
OEMstron Part # | TLP291-E |
Manufacturer | Toshiba Semiconductor and Storage |
Category | Semiconductors › Isolators › Optoisolators - Transistor, Photovoltaic Output |
Description | OPTOISOLATOR 3.75KV TRANS 4-SO |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | TLP291(E) PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 15 - Mar 20 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
TLP291(E) Specifications
Part Number | TLP291(E) | |
Brand | Toshiba Semiconductor and Storage | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Isolators | |
Subcategory | Optoisolators - Transistor, Photovoltaic Output | |
Manufacturer | Toshiba Semiconductor and Storage | |
Series | - | |
Number of Channels | 1 | |
Voltage - Isolation | 3750Vrms | |
Current Transfer Ratio (Min) | 50% @ 5mA | |
Current Transfer Ratio (Max) | 400% @ 5mA | |
Turn On / Turn Off Time (Typ) | 7µs, 7µs | |
Rise / Fall Time (Typ) | 4µs, 7µs | |
Input Type | DC | |
Output Type | Transistor | |
Voltage - Output (Max) | 80V | |
Current - Output / Channel | 50mA | |
Voltage - Forward (Vf) (Typ) | 1.25V | |
Current - DC Forward (If) (Max) | 50mA | |
Vce Saturation (Max) | 300mV | |
Operating Temperature | -55°C ~ 110°C | |
Mounting Type | Surface Mount | |
Package / Case | 4-SOIC (0.179", 4.55mm Width) | |
Supplier Device Package | 4-SO |
TLP291(E) Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
TLP291(E) D# TLP291(E) Toshiba America Electronic Components |
X36 PB-F PHOTOCOUPLER THRU HOLE BULK - Rail/Tube (Alt: TLP291(E)) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
TLP291(E) Toshiba America Electronic Components |
OPTOISOLATOR 3.75KV TRANS 4-SO |
810 |
Part Number | Description | Stock |
TLP291E0 Toshiba America Electronic Components |
Transistor Output Optocoupler, 1-Element, 3750V Isolation RoHS: Not Compliant
|
Europe - 35000 |
TLP291E Toshiba America Electronic Components |
Transistor Output Optocoupler, 1-Element, 3750V Isolation RoHS: Compliant
|
Europe - 658510 |
Part Number | Description | Stock |
TLP291(E) D# TLP291E-ND Toshiba America Electronic Components |
OPTOISOLATOR 3.75KV TRANS 4-SO |
Temporarily Out of Stock |
Part Number | Description | Stock |
TLP291EO Toshiba America Electronic Components |
OEM/CM ONLY |
581 |
TLP291E0 Toshiba America Electronic Components |
OEM/CM ONLY |
40916 |
TLP291E Toshiba America Electronic Components |
OEM/CM ONLY |
158526 |
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