Build with LTV-354 — Datasheet Specs & AI Design Help

00 — Overview

What the LTV-354 does

The LTV-354T is a photocoupler featuring AC input response and high input-output isolation voltage of 3,750Vrms. It offers a current transfer ratio minimum of 20% at specific test conditions and includes ESD protection ratings up to 8,000V HBM. This component provides safety approvals including UL 1577 and cUL VDE standards while maintaining RoHS compliance. Engineers typically use the LTV-354T in hybrid substrates requiring high density mounting, programmable controllers, and system appliances or measuring instruments. The device operates within a mini-flat package designed for reliable signal isolation in various industrial and commercial electronic applications.

Next step

Start building with LTV-354 → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.

01 — Key specifications

Datasheet parameters

Datasheet parameters for LTV-354
Parameter	Min	Typ	Max	Conditions	Source
output current (abs max)	—	—	50 mA	Output; collector; 4.1 Absolute Maximum Ratings at Ta = 25℃	Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
forward voltage	—	1.2 V	1.4 V	IF = ±20mA; 2. For 10 Seconds	Lite-On datasheet, p. 6 — 2. For 10 Seconds
operating temperature (abs max)	-55 °C	—	110 °C	4.1 Absolute Maximum Ratings at Ta = 25℃	Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
power dissipation (abs max)	—	—	70 mW	Input; 4.1 Absolute Maximum Ratings at Ta = 25℃	Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
forward current (abs max)	—	—	50 mA	Input; 4.1 Absolute Maximum Ratings at Ta = 25℃	Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
breakdown voltage ds	35 V	—	—	IC = 0.1mA, IF = 0; 2. For 10 Seconds	Lite-On datasheet, p. 6 — 2. For 10 Seconds
isolation voltage (abs max)	—	—	3.75 kV	CONDITIONS = 1.0; isolation; 4.1 Absolute Maximum Ratings at Ta = 25℃	Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
rise time	—	4 µs	18 µs	VCE = 2V,; (rise); 2. For 10 Seconds	Lite-On datasheet, p. 6 — 2. For 10 Seconds
fall time	—	3 µs	18 µs	IC = 2mARL = 100Ω,; (fall); 2. For 10 Seconds	Lite-On datasheet, p. 6 — 2. For 10 Seconds
dark current	—	—	100 nA	VCE = 20V, IF = 0; 2. For 10 Seconds	Lite-On datasheet, p. 6 — 2. For 10 Seconds
collector emitter voltage (abs max)	—	—	35 V	Output; collector; 4.1 Absolute Maximum Ratings at Ta = 25℃	Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
output count (abs max)	—	—	1		Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃
channel count (abs max)	—	—	1		Lite-On datasheet, p. 5 — 4.1 Absolute Maximum Ratings at Ta=25℃

02 — Alternatives

Closest matches to LTV-354

LTV-357T 3.1× lower output current, 2.1× lower power dissipation, similar breakdown voltage ds

PC817 1.7× higher fall time, 1.5× higher dark current, 1.5× higher rise time

AOTE-DCC-PC357C 5.0× lower forward current, 2.5× lower output current, 2.3× higher breakdown voltage ds

LTV-217 20.0× higher forward current, 3.1× lower output current, 2.3× higher breakdown voltage ds

LTV-217-G 20.0× higher forward current, 3.1× lower output current, 2.3× higher breakdown voltage ds

TLP185 20.0× higher forward current, 10.0× lower dark current, 2.3× higher breakdown voltage ds

TLP185GB 20.0× higher forward current, 10.0× lower dark current, 2.3× higher breakdown voltage ds

AOTE-DCC-AT1019-CUH-L 5.0× lower forward current, 2.3× higher collector emitter voltage, 2.1× lower power dissipation

03 — FAQ

Frequently asked questions

What is the breakdown voltage ds for the LTV-354T?

The breakdown voltage ds is 35 V when IC = 0.1mA, IF = 0; 2. For 10 Seconds.

What is the channel count of the LTV-354T?

The channel count is 1.

What is the collector-emitter voltage for the LTV-354T under Output; collector conditions at Ta = 25℃?

The collector-emitter voltage is 35 V.

What is the dark current of the LTV-354T when VCE = 20V, IF = 0 for 10 seconds?

The dark current is 100 nA.

What is the fall time of the LTV-354T when IC = 2mARL = 100Ω for 10 Seconds?

The fall time is 3 µs.

What is the absolute maximum forward current for the LTV-354T at Ta = 25℃?

The absolute maximum forward current is 50 mA.

What is the forward voltage of the LTV-354T when IF = ±20mA for 10 Seconds?

The forward voltage is 1.2 V.

What is the isolation voltage under CONDITIONS = 1.0; isolation; 4.1 Absolute Maximum Ratings at Ta = 25℃?

The isolation voltage is 3.75 kV.

What is the maximum operating temperature specified in section 4.1 Absolute Maximum Ratings at Ta = 25℃?

The operating temperature is 110 °C.

What is the output count of the LTV-354T?

The output count is 1.

What is the absolute maximum output current for the LTV-354T at Ta = 25℃?

The absolute maximum output current is 50 mA.

What is the maximum power dissipation for the LTV-354T at Ta = 25℃?

The power dissipation is 70 mW.