AUML Series - Multilayer Transient Voltage Surge Suppressor

The AUML Series of Multilayer Transient Surge Suppressors was specifically designed to suppress the destructive transient voltages found in an automobile. The most common transient condition results from large inductive energy discharges. The electronic systems in the automobile, e.g. antilock brake systems, direct ignition systems, engine control, airbag control systems, wiper motor controls, etc. are susceptible to damage from these voltage transients and thus require protection. The AUML transient suppressors have temperature independent suppression characteristics affording protection from -55°C to 125°C. The AUML suppressor is manufactured from semiconducting ceramics which offer rugged protection and excellent transient energy absorption in a small package. The devices are available in ceramic leadless chip form, eliminating lead inductance and assuring fast speed of response to transient surges. These Suppressors require significantly smaller space and land pads than silicon TVS diodes, offering greater circuit board layout flexibility for the designer.

Features:

AEC - Q200 compliant
RoHS Compliant
Load Dump energy rated per SAE Speciﬁcation J1113
Leadless, surface mount chip form
“Zero” Lead Inductance
Variety of energy ratings available
No temperature derating up to 125ºC ambient
High peak surge current capability
Low Proﬁle, compact industry standard chip size; (1206, 1210, 1812 and 2220 Sizes)
Inherent bidirectional clamping
No Plastic or epoxy packaging assures better than 94V-0 ﬂammability rating

Ordering Information

Catalog #	Lines	ILMax	Size	Vc (V)	Vjump	VMAX AC (V)	VMAX DC (V)	VNDC MAX (V)	VNDC MIN(V)
V18AUMLA1206	1	50	1206 (3216)	40	24.5	14	18	32	23
V18AUMLA1210	1	50	1210 (3225)	40	24.5	14	18	32	23
V18AUMLA1812	1	100	1812 (4532)	40	24.5	14	18	32	23
V18AUMLA2220	1	200	2220 (5650)	40	24.5	14	18	32	23
V24AUMLA2220	1	100	2220 (5650)	60	25	19	24	39	32
V48AUMLA2220	1	200	2220 (5650)	105	25	40	48	66.5	54.5