Key facts
- Brand
- Toshiba
- Model
- TLP191B
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-06-01
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Toshiba TLP191B Photocoupler Datasheet
The TLP191B is a miniature flat‑pack GaAs photocoupler designed for MOS‑FET gate‑drive applications. It integrates an infrared LED with a photo‑diode array and shunt resistor, and is suitable for surface‑mount assembly.
The document lists maximum ratings, recommended operating conditions, and detailed electrical parameters such as forward current, isolation voltage, and switching times, along with safety and handling notes for designers.
Toshiba TLP191B specifications
| Open voltage (min) | 7.0 V |
|---|---|
| Short current (min) | 24.0 µA |
| Isolation voltage (min) | 2500 Vrms |
| Forward current IF | 50 mA |
| Forward voltage VF (typ) | 1.2‑1.7 V |
All Toshiba TLP191B documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the isolation voltage rating of the TLP191B?
The device is rated for a minimum isolation voltage of 2500 Vrms.
What is the maximum forward current rating?
The maximum forward current (IF) is specified as 50 mA.
What forward current is recommended for the TLP191B?
The recommended forward current is typically 20 mA, with a range of 20 mA to 25 mA.
What is the isolation voltage rating of the device?
The device is rated for a minimum isolation voltage of 2500 Vrms.
What is the minimum isolation voltage of the TLP191B?
The device provides at least 2500 Vrms isolation voltage.
How long and at what temperature should the leads be soldered?
Lead soldering should be performed for 10 seconds at 260 °C.