How do the Lite-On Inc. Lite-On Inc. LTV81 Series variants differ?

Lite-On Inc. LTV81 Series part numbers differ by case, current transfer ratio, input type and mounting type. Use the selection guide above to pick by case.

How many Lite-On Inc. Lite-On Inc. LTV81 Series part numbers are listed?

18 Lite-On Inc. Lite-On Inc. LTV81 Series part numbers are listed, each with specifications and a datasheet where available.

Lite-On Inc. LTV81 Series

18 variants · Lite-On Inc.

About the Lite-On Inc. Lite-On Inc. LTV81 Series series

The Lite-On Inc. Lite-On Inc. LTV81 Series series groups 18 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common current - DC forward (If) of 50 mA, current - output (Channel) of 50mA and number of channels of 1. Variants differ by case, current transfer ratio and input type, so you can match the exact case your application requires using the selection guide below.

Select a variant by

Case: 4-DIP (0.300\", 7.62mm) · 4-SMD, Gull Wing
Current transfer ratio: 160% @ 5mA · 260% @ 5mA · 300% @ 1mA · 600% @ 5mA
Input type: AC, DC · DC
Mounting type: Surface Mount · Through Hole
Operating temperature: -55°C ~ 110°C · -55°C~110°C · -30°C ~ 110°C
Package: Tape & Reel (TR) Cut Tape (CT) · Tube

Variant comparison

Parameter	LTV-817	LTV-817-A	LTV-817S	LTV-817S-A	LTV-817S-B	LTV-817S-TA
Case	4-DIP (0.300\", 7.62mm)	4-DIP (0.300\", 7.62mm)	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing
Current transfer ratio	600% @ 5mA	160% @ 5mA	600% @ 5mA	160% @ 5mA	260% @ 5mA	600% @ 5mA
Input type	DC	DC	DC	DC	DC	DC
Mounting type	Through Hole	Through Hole	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating temperature	-55°C ~ 110°C	-55°C ~ 110°C	-55°C~110°C	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C
Package	Tube	Tube	Tube	Tube	Tube	Tape & Reel (TR) Cut Tape (CT)

Shared specifications

Current - DC forward (If): 50 mA
Current - output (Channel): 50mA
Number of channels: 1
Output type: Transistor
Rise (Fall time): 4µs, 3µs
Vce saturation: 200mV
Voltage - forward (Vf): 1.2V
Voltage - isolation: 5000Vrms
Voltage - output: 35V

Request a quote on any Lite-On Inc. LTV81 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Lite-On Inc. Lite-On Inc. LTV81 Series variants differ?: Lite-On Inc. LTV81 Series part numbers differ by case, current transfer ratio, input type and mounting type. Use the selection guide above to pick by case.
How many Lite-On Inc. Lite-On Inc. LTV81 Series part numbers are listed?: 18 Lite-On Inc. Lite-On Inc. LTV81 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Lite-On Inc. Lite-On Inc. LTV81 Series?: Request a quote (RFQ) for any Lite-On Inc. LTV81 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.