Mfr Part #:

LTV-357T-B

The Lite-On Inc. LTV-357T-B is a single-channel optocoupler featuring a transistor output and SMD mounting. It offers an insulation voltage of 3.75kV and a collector-emitter voltage of 35V.

✓ Total Stock: 5,514 pcs

$ Price Range: $0.35

LTV-357T-B Available from 3 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Smaxon Electronics ✓ Non-Authorised Inventory information	3,849 pcs On Request	3849 pcs	On Request	1	On Request	On Request	15+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,628 pcs On Request	1628 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Bristol Electronics ✓ Non-Authorised Inventory information	37 pcs On Request	37 pcs	On Request	1	On Request	On Request	2026-02-25 06:16:38	On Request	2026-04-21 07:15:11

LTV-357T-B Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Lite-On Inc.
Lead Style	Gull Wing
Mounting Type	SMD
Number of Channels	1
Tape & Reel	Tape & Reel
Turn Off Time	3µs
Turn On Time	4µs

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LTV-357T-B Description

Short technical summary and product information.

The Lite-On Inc. LTV-357T-B is a single-channel optocoupler designed for electronic isolation applications. It features a transistor output and is housed in a compact Mini-flat 4-pin SMD package, making it suitable for surface-mount designs.

Key electrical specifications include an insulation voltage of 3.75kV and a collector-emitter voltage rating of 35V. The device offers a typical turn-on time of 4µs and a turn-off time of 3µs, with a current transfer ratio (CTR) ranging from 130% to 260% at 5mA.

This optocoupler is mounted using the SMD technique and comes in a standard reel package of 3,000 pieces. Its robust construction and reliable performance make it a suitable choice for various signal isolation needs in electronic circuits.

LTV-357T-B Quick Information

Product Type: Optocoupler

Series: LTV-357T

Canonical Name: Lite-On Inc. LTV-357T-B Optocoupler

Subcategory: Optocouplers - Transistor, Photovoltaic Output

LTV-357T-B Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

LTV-357T-B Estimated Pricing

Qty	Low	High
1+	$0.35	$0.35

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

LTV-357T-B Features

Single-channel optocoupler with transistor output.
3.75kV insulation voltage rating.
35V collector-emitter voltage capability.
Fast turn-on and turn-off times.
SMD package for surface-mount assembly.

LTV-357T-B Applications

Provides electrical isolation between circuits.
Suitable for signal transmission applications.
Used in power supply control circuits.
Applicable in industrial automation systems.

LTV-357T-B FAQs

5 frequently asked questions generated from this part’s specifications.

What is the insulation voltage of the LTV-357T-B optocoupler?

The insulation voltage is 3.75kV.

What is the maximum collector-emitter voltage for the LTV-357T-B?

The maximum collector-emitter voltage is 35V.

What is the current transfer ratio (CTR) of the LTV-357T-B at 5mA?

The CTR is between 130% and 260% at 5mA.

How is the LTV-357T-B optocoupler mounted?

It is designed for SMD (Surface Mount Device) mounting.

What is the standard package quantity for the LTV-357T-B?

The standard package quantity is 3,000 pieces on a reel.