Datasheet > V18ZA05X1347

V18ZA05X1347

更新时间： 2024-02-16 23:33:51

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
13页	275K
描述
RESISTOR, VOLTAGE DEPENDENT, 14V, 0.17J, THROUGH HOLE MOUNT, RADIAL LEADED

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V18ZA05X1347 数据手册

Varistor Products

Radial Lead Varistors > ZA Series

Power Dissipation Ratings

Peak Pulse CurrentTestWaveform

100

TIME

-55 50

90 100 110 120 130 140 150

AMBIENT TEMPERATURE ( C)

Figure 2

Figure 1

Should transients occur in rapid succession, the average power

dissipation required is simply the energy (watt-seconds) per pulse

times the number of pulses per second. The power so developed

must be within the speciﬁcations shown on the Device Ratings

and SpeciﬁcationsTable for the speciﬁc device. Furthermore,

the operating values need to be derated at high temperatures as

shown in the diagram above. Because varistors can only dissipate

a relatively small amount of average power they are, therefore, not

suitable for repetitive applications that involve substantial amounts

of average power dissipation.

0₁= Virtual Origin of Wave

T =Time from 10% to 90% of Peak

T₁= RiseTime = 1.25 xT

T₂= DecayTime

Example - For an 8/20 μs Current Waveform:

8μs =T₁= RiseTime

20μs =T₂= DecayTime

Maximum ClampingVoltage for 5mm Parts

V8ZA05(P) -V68ZA05(P)

V82ZA05(P) -V33ZA05(P)

600

500

400

2000

1000

500

MAX CLAMPINGVOLTAGE

MAX CLAMPING VOLTAGE

MODEL SIZE 5mm

V330ZA05(P)

V270ZA05(P)

V240ZA05(P)

V220ZA05(P)

V205ZA05(P)

V180ZA05(P)

V150ZA05(P)

V120ZA05(P)

8 TO 68V

RATING

82 TO 330V

RATING

N(DC)

300

= -55 C TO 85

200

100

V68ZA05(P)

V56ZA05(P)

V47ZA05(P)

50 V39ZA05(P)

V33ZA05(P)

V27ZA05(P)

V22ZA05(P)

200

V18ZA05(P)

V12ZA05(P)

V8ZA05(P)

100

0.001

0.01

0.1

100

1000

Figure 4 ^0.0001

-3

-2

-1

PEAK AMPERES (A)

Figure 3

PEAK AMPERES (A)

V360ZA05(P) -V750ZA05(P)

3000

MAX CLAMPING VOLTAGE

MODEL SIZE 5mm

360 TO 750V

RATING

= -55 C TO 85 C

N(DC)

V750ZA05(P)

V715ZA05(P)

2000

V680ZA05(P)

V620ZA05(P)

V470ZA05(P)

V430ZA05(P)

V390ZA05(P)

V360ZA05(P)

1000

500

0.001

0.01

0.1

100

1000

Figure 5 ^0.0001

PEAK AMPERES (A)

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/za.html for current information.

ZAVaristor Series

Revision: October 29, 2009

1 2 345 6 7...13

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