Toshiba TLP124 User's Manual
Summary
This mini flat optocoupler (TLP124) features an integrated GaAs infrared LED and phototransistor, providing reliable signal transfer with exceptional optical isolation up to 3750Vrms min. Engineered for demanding general electronics applications—including industrial control, computing, and office equipment—it ensures system reliability. This technical manual provides engineers and designers with comprehensive specifications, detailing all electrical characteristics, switching times, input/output coupling performance, and stringent operating conditions required for accurate circuit integration.
Page 1 Text Content
TLP124
TOSHIBA Photocoupler Ga As Ired & Photo−Transistor
TLP124
Office Machine Unit in mm Programmable Controllers AC / DC−Input Module Telecommunication
The TOSHIBA mini flat coupler TLP124 is a small outline coupler, suitable for surface mount assembly. TLP124 consists of a photo transistor optically coupled to a gallium arsenide infrared emitting diode.
Collector−emitter voltage: 80 V min. Current transfer ratio: 100% min.
Rank BV: 200% min.
Isolation voltage: 3750Vrms min. UL recognized: UL1577, file No. E67349
TOSHIBA 11−4C1 Weight: 0.09g
Pin Configurations (top view)
1 : Anode 3 : Cathode 4 : Emitter 6 : Collector
Page Summary Contents For Toshiba TLP124 User's Manual
Manual Details
| Brand | Toshiba |
|---|---|
| Pages | 8 |
| File Size | 176.87 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
What type of device is the TLP124?
The TLP124 is a small outline photocoupler consisting of a photo transistor optically coupled to a gallium arsenide infrared emitting diode.
What is the isolation voltage rating of the TLP124?
The minimum isolation voltage (BV) is 3750Vrms.
How should I handle or dispose of products containing Gallium Arsenide (GaAs)?
Do not break, cut, or pulverize them. Follow appropriate regulations for disposal and do not mix them with other industrial or domestic waste.
What temperature range is suitable for the TLP124 in operation?
The operating temperature range (opr) is specified as -55 to 100°C.
Can I connect the power supplies to different terminals?
Note that Pins 1 and 3 are shorted together, and pins 4 and 6 are shorted together for two-terminal device consideration.