SOP4 package optocoupler VISHAY VOT8121AM-T featuring GaAs IRLED and photosensitive TRIAC for load control

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Product Description

Product Overview

The VOT8121AM is an optocoupler featuring a GaAs IRLED coupled to a photosensitive TRIAC in a space-saving SOP-4 package. It provides isolation for low-voltage logic from AC lines (120 VAC, 240 VAC, 380 VAC) and is suitable for controlling various loads including motors, solenoids, high current thyristors/TRIACs, and relays. Key advantages include high static dV/dt, high input sensitivity, and a low input current requirement.

Product Attributes

Brand: Vishay Semiconductors
Package: SOP-4
Certifications: UL 1577, cUL, DIN EN 60747-5-5 (VDE 0884-5)

Technical Specifications

Parameter	Test Condition	Symbol	Min.	Typ.	Max.	Unit
INPUT
Forward voltage	IF = 20 mA	VF	-	1.15	1.5	V
Reverse current	VR = 6 V	IR	-	-	10	A
OUTPUT
Off-state current	VDRM = 800 V	IDRM	-	-	0.1	A
On-state voltage	IT = 100 mA peak	VTM	-	1.7	3	V
Holding current	-	IH	-	-	250	A
Critical rate of rise of off-state voltage	(1)	dV/dt	1000	-	-	V/s
COUPLER
Trigger current	VTM = 3 V	IFT	-	-	10	mA
SWITCHING CHARACTERISTICS
Turn-on time	VD = 6 V to 4 V, RL = 100 , IF = rated IFT x 1.5	ton	-	30	100	s
SAFETY AND INSULATION RATINGS
Climatic classification	According to IEC 68 part 1	-	55 / 115 / 21	-	-	-
Comparative tracking index	Insulation group IIIa	CTI	-	175	-	-
Maximum rated withstanding isolation voltage	According to UL1577, t = 1 min	VISO	-	3750	-	VRMS
Maximum transient isolation voltage	According to DIN EN 60747-5-5	VIOTM	-	6000	-	Vpeak
Maximum repetitive peak isolation voltage	According to DIN EN 60747-5-5	VIORM	-	565	-	Vpeak
Isolation resistance	VIO = 500 V, Tamb = 25 C	RIO	-	10¹²	-
Isolation resistance	VIO = 500 V, Tamb = 100 C	RIO	-	10¹¹	-
Output safety power	-	PSO	-	-	300	mW
Input safety current	-	ISI	-	-	50	mA
Input safety temperature	-	TS	-	-	150	C
Creepage distance	-	-	> 5	-	-	mm
Clearance distance	-	-	> 5	-	-	mm
Insulation thickness	-	DTI	> 0.4	-	-	mm