Toshiba TLP137 Data Handbook
Summary
The TLP137 is a high-performance mini flat optocoupler designed for precise, surface mount assembly in general electronic systems. Utilizing Gallium Arsenide (GaAs), this component optically couples an infrared LED to a photo-transistor, ensuring a robust current transfer ratio even at low input levels. This manual provides comprehensive technical data, including detailed isolation characteristics, full electrical specifications, and temperature-specific ratings for integrating the TLP137 into various applications—such as industrial controls, office equipment, and consumer electronics—for reliable signal isolation.
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TLP137
TOSHIBA Photocoupler Ga As IRed & Photo−Transistor
TLP137
Office Machine
Unit in mm
Programmable Controllers AC / DC−Input Module Telecommunication
The TOSHIBA mini flat coupler TLP137 is a small outline coupler, suitable for surface mount assembly. TLP137 consists of a gallium arsenide infrared emitting diode, optically coupled to a photo transistor, and provides high CTR at low input current. TLP137 base terminal is for the improvement of speed, reduction of dark current, and enable operation.
Collector−emitter voltage: 80V(min.) Current transfer ratio: 100%(min.)
Rank BV: 200%(min.)
Isolation voltage: 3750Vrms(min.) UL recognized: UL1577, file No. E67349
TOSHIBA 11−4C2
Current transfer ratio
Weight: 0.09 g
Current Transfer Ratio (min.) Marking Pin Configurations (top view)
Ta = 25°C Ta =25~75°CClassi Of fication IF = 1m A Classi
IF = 0.5m A IF = 1m A
fication
VCE = 0.5V VCE = 1.5V VCE = 0.5V
Rank BV 200% 100% 100% BV
Standard 100% 50% 50% BV, Blank
(Note) Application type name for certification test, please use standard product type name, i.e. TLP137 (BV): TLP137
1 : Anode 3 : Cathode 4 : Emitter 5 : Collector 6 : Base
Page Summary Contents For Toshiba TLP137 Data Handbook
Manual Details
| Brand | Toshiba |
|---|---|
| Pages | 9 |
| File Size | 219.45 KB |
| Published | May 29, 2026 |
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Frequently Asked Questions
What is the primary function and structure of TLP137?
It is a small outline coupler consisting of a gallium arsenide infrared emitting diode optically coupled to a photosistor, providing high CTR.
What is the maximum isolation voltage (BV) for this device?
The minimum Isolation voltage (AC) rating is 3750 Vrms.
How should I dispose of TLP137 components?
Do not dispose of the product with industrial waste or domestic garbage; follow appropriate disposal regulations due to GaAs content.