FPV321609E120SLT datasheet, PDF

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FPV321609E120SLT: DescriptionVaristor, 12V, 0.4J, Surface Mount, CHIP, 1206; CategoryPassive components The resistor; File Size1MB，15 Pages; ManufacturerFenghua (HK) Electronics Ltd.; Environmental Compliance

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FPV321609E120SLT Overview

Varistor, 12V, 0.4J, Surface Mount, CHIP, 1206

FPV321609E120SLT Parametric

Parameter Name	Attribute value
Minimum operating temperature	-55 °C
Maximum operating temperature	125 °C
Package length	3.2 mm
Package width	1.6 mm
Package height	0.9 mm
Is it lead-free?	Yes
Is it Rohs certified?	Yes
Is Samacsys	N
YTEOL	8.25
Objectid	1989244158
package instruction	CHIP, 1206
Reach Compliance Code	unknown
Country Of Origin	Mainland China
Circuit RMS maximum voltage	8.5 V
Maximum energy absorption capacity	0.4 J
surface mount	YES
Operating Voltage	12 V
Installation features	SURFACE MOUNT
Package form	SMT
Resistor type	VARISTOR
method of packing	TR, EMBOSSED PAPER, 7/13 INCH
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND
Number of terminals	2
Package shape	RECTANGULAR PACKAGE

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GUANGDONG ZHAOQING YINGDA INDUCTOR CO。

，LTD

SMD COMPONENTS

Introduction fo FPV Series Multilayer

Chip Varistor

Multilayer Chip Varistors (MLV) are Transient Voltage Suppressors (TVS) which manufactured

from semiconducting ceramics by the highly advanced multilayer formation technologies, which can

offer rugged protection, excellent transient energy absorption and internal heat dissipation. The

devices are leadless chip form, eliminating lead inductance and guaranteeing a faster speed of

response time of less than 0.5ns, which makes them fast enough to ensure reliable protection against

ESD pulse and other specific transient events. These transient suppression devices are significantly

smaller footprints and lower profiles than traditional zener diodes or radial MOVs.

Section of the chip

Features　

Multilayer Ceramic Construction Technology

Leadless 1005[0402], 1608[0603], 2012[0805], 3216[1206], 3225[1210], 4532[1812],

8063[3225] and 1080[4032] Chip Size

-55º to +125º Operating Temperature Range

Operating Voltage Range Vw(DC) =3.3V to 615V

Inherent Bi-directional Clamping

Suitable for ESD Protection

Very Low Leakage Current

Low Inductance, Fast Response (Response time<0.5ns)

Excellent Temperature Coefficient

Good Solderability (The electrode termination is selectable in plated and silver

/palladium/platinum.)

Information for Designer　

Voltage Dependent Characteristic

Transient Voltage Suppressors (Varistors) are voltage-dependent electrical resistors with symmetrical

V/I characteristic. Their resistance value decrease with increasing voltage, thus

“

short-circuiting”further rises in overvoltage.

GUANGDONG ZHAOQING YINGDA INDUCTOR CO。

，LTD

SMD COMPONENTS

Terms and Descriptions　

Working DC Voltage (Vw(DC))

This is the maximum continuous DC voltage, which may be applied up to the maximum operating

temperature of the device. The rated DC operating voltage (working voltage) is also used as the

reference point for leakage current. This voltage is always less than the breakdown voltage of the

device.

Working AC Voltage (Vw(AC))

This is the maximum continuous sinusoidal rms voltage, which maybe applied at any temperature up

to the maximum operating temperature of the device.

Maximum Surge Current (Peak Current I

)

This is the maximum peak current, which may be applied for an 8/20µs impulse, with rated line

voltage also applied, without causing device failure. The pulse can be applied to the device in either

polarity with the same confidence factor.

Maximum Surge Energy (Es)

This is the maximum rated transient energy which may be dissipated for a single current pulse at a

specified impulse duration (10/1000µs), with the rated DC or RMS voltage applied, without causing

device failure.

leakage (I

) at Rated DC Voltage

In the no conducting mode, the device is at a very high impedance (approaching 10

ohms) and

appears as an almost open circuit in the system. The leakage current drawn at this level is very low

(<50µA at ambient temperature) and, unlike the zener diode, the multilayer varistors have the added

advantage that, when operated up to its maximum temperature, its leakage current will not increase

above 500µA.

Varistor Voltage (V

(DC))

This is the voltage at which the device changes from the off state to the on state and enters its

conduction mode of operation. The voltage is usually characterized at the 1mA point.

Clamping Voltage (Vc)

This is the peak voltage appearing across the suppressor when measured at conditions of specified

pulse current and specified waveform (8/20µs). It is important to note that the peak current and peak

voltage may not necessarily be coincidental in time.

Capacitance (Cp)

This is the capacitance of the device at a specified frequency 1MHz and bias 0.5V

Application　

The Prevention of Overvoltage

When the voltage increases above the threshold of MLV, the suppressor will draws a rapidly

increasing current, and then the overvoltage is considerably attenuated away from the protection of

the equipments should be supplemented by including specific components that will raise the withstand

capabilities to the required level. Varistors provide protection against all kind of overvoltage and

prevent electronic equipment from being damaged by transient events.

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