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TCMT1108 The Vishay Dale TCMT1108 is a single-channel optocoupler featuring a phototransistor output. It offers 3750Vrms isolation and is housed in a compact 4-SOP package.
Mfr Part #:

TCMT1108

Available from 4 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale TCMT1108 is a single-channel optocoupler featuring a phototransistor output. It offers 3750Vrms isolation and is housed in a compact 4-SOP package.
✓ Total Stock: 13,423 pcs
$ Price Range: $0.39

TCMT1108 Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
7,681 pcs
On Request
7681 pcs On Request 1 On Request On Request 15+ On Request 2026-06-03 08:15:28
Husky International Electronic ✓
Non-Authorised Inventory information
2,985 pcs
On Request
2985 pcs On Request 1 On Request On Request N/A On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
257 pcs
On Request
257 pcs On Request 1 On Request On Request 12+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TCMT1108 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Current Transfer Ratio (Max)
Current Transfer Ratio (Min)
Forward Voltage
Height
Industrial Grade
Input Type
Lead Spacing
Length
Medical Grade
Military Grade
Mounting Type
Number of Channels
Operating Temperature
Output Type
Reverse Voltage
Rise
Supplier Device Package
Tape & Reel
Turn On
Vce Saturation (Max)
Voltage
Width
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TCMT1108 Description

Short technical summary and product information.

The Vishay Dale TCMT1108 is a single-channel optocoupler designed for applications requiring electrical isolation. It consists of an infrared-emitting diode coupled to an NPN phototransistor.

 

Key electrical specifications include an isolation voltage of 3750Vrms, a typical forward current of 60 mA, and a maximum collector current of 50 mA. The output transistor features a maximum collector-emitter saturation voltage of 0.3V. The current transfer ratio (CTR) ranges from a minimum of 130% to a maximum of 260% at 5mA.

 

This optocoupler operates within a temperature range of -40°C to 100°C. It is available in a 4-SOP surface mount package with dimensions of 2.8mm in length, 4.4mm in width, and 1.9mm in height.

 

Applications for the TCMT1108 include programmable logic controllers, modems, and answering machines, providing reliable signal isolation in various electronic systems.

TCMT1108 Quick Information

Product Type: Optocoupler
Series: TCMT110.
Canonical Name: TCMT1108 Transistor Output Optocoupler
Subcategory: Transistor Output Optocouplers

TCMT1108 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TCMT1108 Estimated Pricing

Qty Low High
1+ $0.39 $0.39

Estimated market price range - modelled values for guidance only, not live distributor offers.

TCMT1108 Features

  • 3750Vrms isolation voltage rating.
  • NPN phototransistor output type.
  • Compact 4-SOP surface mount package.
  • Wide -40°C to 100°C operating temperature.
  • CTR range of 130% to 260%.

TCMT1108 Applications

  • Used in programmable logic controllers.
  • Suitable for modem applications.
  • Applicable for answering machines.
  • General electronic isolation needs.

TCMT1108 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the TCMT1108?

The TCMT1108 offers an isolation voltage of 3750Vrms.

What is the typical forward current for the TCMT1108?

The typical forward current for the TCMT1108 is 60 mA.

What is the operating temperature range for this optocoupler?

The TCMT1108 operates within a temperature range of -40°C to 100°C.

What package type is the TCMT1108 available in?

The TCMT1108 is available in a 4-SOP surface mount package.

What is the minimum and maximum Current Transfer Ratio (CTR)?

The CTR for the TCMT1108 ranges from a minimum of 130% at 5mA to a maximum of 260% at 5mA.

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