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Generated by kicad-footprint-generator · KiCad file format 20260206

Name	Last commit message	Last updated
docs	Publish 0.1.0 · Ray	13d ago
viewers	ltv-852: viewers · Ray	13d ago
ltv-852-etched.glb	Publish 0.1.0 · Ray	13d ago
ltv-852-etched.step	ltv-852: factory component page (tier=lcsc) · Ray	13d ago
ltv-852-hero.glb	ltv-852: hero GLB from the etched model (keeps the MPN mark) · Ray	13d ago
ltv-852-hero.overlay.json	Publish 0.1.0 · Ray	13d ago
ltv-852.glb	Publish 0.1.0 · Ray	13d ago
ltv-852.kicad_mod	Publish 0.1.0 · Ray	13d ago
ltv-852.kicad_sym	Publish 0.1.0 · Ray	13d ago
ltv-852.lbr	Publish 0.1.0 · Ray	13d ago
ltv-852.step	Publish 0.1.0 · Ray	13d ago
package.json	Publish 0.1.0 · Ray	13d ago
page.json	Set visibility: public · Ray	13d ago
README.md	Publish 0.1.0 · Ray	13d ago

LTV-852

Lite On · Transistor, Photovoltaic Output Optoisolators · DIP-4

LTV-852 from Lite On, in a DIP-4. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	Anode	input	Anode of the input LED; forward current IF max 50 mA, reverse voltage VR max 6 V.
2	Cathode	input	Cathode of the input LED, return path for the forward current (IF max 50 mA).
3	Emitter	passive	Emitter of the output Darlington phototransistor; emitter-collector voltage VECO max 0.1 V.
4	Collector	passive	Collector of the output Darlington phototransistor; VCEO max 300 V, collector current IC max 150 mA.

Key specifications

Parameter	Value
Manufacturer	Lite On
Package	DIP-4
Category	Optoisolators
Pins	4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Forward Voltage	VF		1.2	1.4	V	IF=10mA	10
Reverse Current	IR			10	A	VR=4V	10
Terminal Capacitance	Ct		30	250	pF	V=0, f=1KHz	10
Collector Dark Current	ICEO			200	nA	VCE=200V, IF=0	10
Collector-Emitter Breakdown Voltage	BVCEO	300			V	IC=0.1mA, IF=0	10
Emitter-Collector Breakdown Voltage	BVECO	0.1			V	IE=10A, IF=0	10
Collector Current	IC	10	40	150	mA	IF=1mA, VCE=2V *1	10
Current Transfer Ratio	CTR	1000	4000	15000	%	VCE=2V *1	10
Collector-Emitter Saturation Voltage	VCE(sat)			1.2	V	IF=20mA, IC=100mA	10
Floating Capacitance	Cf		0.6	1	pF	V=0, f=1MHz	10
Cut-Off Frequency	fc	1	7		kHz	VCE=2V, IC=20mA, RL=100, -3dB	10
Response Time (Rise)	tr		100	300	s	VCC=2V, IC=20mA, RL=100	10
Response Time (Fall)	tf		20	100	s	VCC=2V, IC=20mA, RL=100	10
Forward Current	IF			50	mA	Ta=25C	9
Reverse Voltage	VR			6	V	Ta=25C	9
Input Power Dissipation	P			70	mW	Ta=25C	9
Collector-Emitter Voltage	VCEO			300	V	Ta=25C	9
Emitter-Collector Voltage	VECO			0.1	V	Ta=25C	9
Collector Current	IC			150	mA	Ta=25C	9
Collector Power Dissipation	PC			150	mW	Ta=25C	9
Total Power Dissipation	Ptot			200	mW	Ta=25C	9
Isolation Voltage	Viso			5000	Vrms	AC for 1 minute, R.H. = 40 ~ 60%	9
Operating Temperature	Topr	-30		100	C		9
Storage Temperature	Tstg	-55		125	C		9
Soldering Temperature	Tsol			260	C	For 10 seconds	9

CAD (KiCad official)

Symbol: LTV-852
Footprint: Package_DIP:DIP-4_W7.62mm
3D model: DIP-4 (KiCad packages3D, STEP)
3D model files: ltv-852-etched.step / ltv-852-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltv-852.step / ltv-852.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Lite On datasheet (13 pp, sha256 bcce173b594514f7, retrieved 2026-10-15, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF