optoisolators

LTV-354

Full part number: LTV-354T

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This datasheet covers the LTV-354T series, a photocopler designed for high-density mounting in programmable controllers and measuring instruments. Key parameters include an AC input response, a minimum current transfer ratio of 20% at specific conditions, and high isolation voltage of 3,750Vrms. The device features a mini-flat package with robust ESD protection up to 8,000V HBM. It also holds multiple safety approvals including UL 1577 and cUL, ensuring compliance with international standards for electrical safety.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
output current — 50 mA —
forward voltage — 1.2 V 1.4 V IF = ±20mA
operating temperature -55 °C — 110 °C
power dissipation — 170 mW —
forward current — 50 mA —
breakdown voltage ds 35 V — — IC = 0.1mA, IF = 0
isolation voltage — 3.75 kV —
rise time — 4 µs 18 µs VCE = 2V,
fall time — 3 µs 18 µs IC = 2mARL = 100Ω,
dark current — — 100 nA VCE = 20V, IF = 0
collector emitter voltage — — 35 V Output
03 — Alternatives

Closest matches to LTV-354

PC817 1.7× higher fall time, 1.5× higher dark current, 1.5× higher rise time
TLP185GB 10.0× lower dark current, 2.7× higher isolation voltage, 2.3× higher breakdown voltage ds
4N35 2.4× lower power dissipation, 2.0× higher breakdown voltage ds, 1.3× higher isolation voltage
MOC3010M 10.0× lower dark current, 2.0× higher output current, 1.7× lower power dissipation
MOC3063S 1.5× higher power dissipation, 1.3× higher isolation voltage, 1.1× higher operating temperature
TCUT1350X01 5.3× higher fall time, 4.5× lower power dissipation, 2.2× higher rise time
LTV-217-G 2.4× lower power dissipation, 2.3× higher collector emitter voltage, similar forward current
TLP7820 2.4× lower power dissipation, 2.4× lower rise time, 1.8× lower fall time
04 — FAQ

Frequently asked questions

What is the breakdown voltage ds when IC = 0.1mA and IF = 0?

The breakdown voltage ds is 35 V.

What is the collector-emitter voltage for the LTV-354T under Output conditions?

The collector-emitter voltage is 35 V.

What is the dark current of the LTV-354T when VCE = 20V and IF = 0?

The dark current is 100 nA.

What is the fall time of the LTV-354T when IC = 2mA and RL = 100Ω?

The fall time is 3 µs.

What is the forward current of the LTV-354T?

The forward current is 50 mA.

What is the forward voltage of the LTV-354T at IF = ±20mA?

The forward voltage is 1.2 V.

What is the isolation voltage of the LTV-354T?

The isolation voltage is 3.75 kV.

What is the maximum operating temperature for the LTV-354T?

The operating temperature is 110 °C.

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