Toshiba TOSHIBA Photocoupler GaAℓAs Ired & Photo−Diode Array TLP190B User Manual (1)(1) Specification Sheet (1)
Summary
The TLP190B is a high-performance, surface mount optocoupler featuring a GaAℓAs LED coupled with a photo diode array, providing reliable signal isolation critical for MOS FET gate drive applications. This comprehensive manual details full electrical specifications, including maximum ratings, coupling characteristics, and recommended operational guidelines. It is an essential resource for electronics engineers designing general industrial, computing, or domestic consumer products requiring robust signal isolation solutions.
Page 1 Text Content
TLP190B
TOSHIBA Photocoupler Ga AℓAs Ired & Photo−Diode Array
TLP190B
Telecommunication
Unit in mm
Programmable Controllers MOS Gate Driver MOS FET Gate Driver
The TOSHIBA mini flat coupler TLP190B is a small outline coupler, suitable for surface mount assembly. The TLP190B consists of a Ga AℓAs light emitting diode, optically coupled to a series connected photo diode array which is suitable for MOS FET gate drive.
• Open voltage: 7.0V (min.) • Short current: 12.0μA (min.) • Isolation voltage: 2500Vrms (min.) • UL recognized: UL1577, file no. E67349
TOSHIBA 11−4C1
Weight: 0.09 g
Absolute Maximum Ratings (Ta = 25°C)
Characteristic Symbol Rating Unit
Pin Configuration (top view)
Forward current IF 50 m A
Forward current derating (Ta ≥ 25°C) ΔIF / °C −0.5 m A / °C
LED Pulse forward current
(100μs pulse 100pps) IFP 1 A
Reverse voltage VR 3 V
Junction temperature Tj 125 °C
1. Anode
Forward current IFD 50 μA
3. Cathode
Reverse voltage VRD 10 V Detector 4. Cathode
6. Anode
Junction temperature Tj 125 °C
Storage temperature range Tstg −55~125 °C
Operating temperature range Topr −40~85 °C
Lead soldering temperature (10 s) Tsol 260 °C
Isolation voltage (AC, 1 min., R.H. ≤ 60%) (Note) BVS 2500 Vrms
Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report and estimated failure rate, etc).
(Note) Device considered a two terminal device: Pins 1 and 3 shorted together and pins 4 and 6 shorted together.
Page Summary Contents For Toshiba TOSHIBA Photocoupler GaAℓAs Ired & Photo−Diode Array TLP190B User Manual (1)(1) Specification Sheet (1)
Manual Details
| Brand | Toshiba |
|---|---|
| Pages | 5 |
| File Size | 177.06 KB |
| Published | June 04, 2026 |
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Frequently Asked Questions
What is the TLP190B suitable for driving?
It is designed for use as an optocoupler, particularly suitable for MOS FET gate drive.
What is the minimum specified isolation voltage of this device?
The minimum isolation voltage (BV) is 2500 Vrms at AC for one minute.
Can I use this component in life-critical or high-reliability equipment?
No, it is not warranted for usage in equipment requiring extraordinarily high quality, such as medical instruments or airplane gear.
What precautions should I take when using the device under heavy loads or varying temperatures?
Continuous operation under heavy load or significant temperature changes may decrease reliability; consult the Toshiba Semiconductor Reliability Handbook.