V18MA1B Varistors - MA Series - Axial Leaded Varistor Series

Part Number: V18MA1B

Series: MA

MA Series Data Sheet
Littelfuse_MOV_MA.pdf
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Last Uploaded: February 03, 2009

MA Series - Axial Leaded Varistor Series

The MA Series of Transient surge suppressors are axial-lead metal oxide varistors (MOVs) for use in a wide variety of board level industrial and commercial electronic equipment.

They are intended to protect components and signal/data lines from low energy transients where the small axial lead package is required.
The MA Series is offered with standard (S suffix) or tightened (B suffix) clamping voltage.
See MA Series Device Ratins and Specifications table for part number and brand information.

Help	Property	Value
Package Size/Form Factor Close Info	Package Size	3mm
This is the maximum continuous sinusoidal voltage, which may be applied to the MOV. This voltage may be applied at any temperature up to the maximum operating temperature of 85°C. Close Info	VMAX AC (V)	10
This is the maximum continuous DC voltage, which may be applied to the device. Close Info	Max Rated DC Voltage	14
This is the maximum rated transient energy, which may be dissipated for a single current pulse at a specified impulse and duration (2µs), with the rated V_RMS applied, without causing device failure. Close Info	Surge Energy (WTM) (J)	0.07
This is the maximum peak current, which may be applied for an 8x20µs impulse, with rated line voltage also applied, without causing greater than 10% shift in nominal voltage. Close Info	Peak Pulse Current (I_TM) 1xAmps (A)	40
This is the voltage at which the device changes from the off state to the on state and enters its conduction mode of operation. This voltage is characterized at the ImA point and has specified minimum and maximum voltage ratings. Close Info	Nominal DC Voltage (V_NDC) (V)	18
This is the minimum voltage at which the device changes from the off state to the on state and enters its conduction mode of operation. This voltage is characterized at the 1mA point and has specified minimum and maximum voltage ratings. Close Info	V_NDC MIN (V)	15
This is the peak voltage appearing across the MOV when measured at conditions of specified pulse current amplitude and specified waveform (8x20µs). Close Info	Max Clamp Voltage (Vc) (V)	44
This is the maximum voltage at which the device changes from the off state to the on state and enters its conduction mode of operation. This voltage is characterized at the 1mA point and has specified minimum and maximum voltage ratings. Close Info	VNDC MAX (V)	21
Typical Capacitance (pF) Close Info	Typ Capacitance (pF)	550
Clamping Polarity Close Info	Clamp Polarity	Bi-directional

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RoHS Date: 2006-03-01 00:00:00
ICP Test Reports
ICPTest MA Series 12-2-2010.pdf
China RoHS Reports
ChinaRoHS MA.pdf

	Dongguan, BeiCe ISO 14001-2004 MOV Factory Littelfuse_Dongguan-BeiCe-MOV_ISO14001-2004.pdf (103 K)
	Dongguan, BeiCe ISO 9001-2000 MOV/MLV Factory Littelfuse_Dongguan-BeiCe-MOV_ISO9001-2000.pdf (773 K)
	Dongguan, BeiCe ISO TS16949 Littelfuse_Dongguan-BeiCe-MOV_ISO-TS16949.pdf (400 K)

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