[ /Title
(ZA
Series)
/Subject
(Radial
Lead
MetalOxide
Varistors for
Low to
Mediu
m Voltage
Operation)
/Autho
r ()
/Keywords
(Littelfuse,
Inc.,
Suppression
Products,
TVS,
Transient
Suppression,
Protection,
Automotive,
Data SheetJuly 1999
Radial Lead Metal-Oxide Varistors for Low
to Medium Voltage Operation
The ZA Series of transient voltage surge suppressors are
radial-lead varistors (MOVs) designed for use in the
protection of low and medium-voltage circuits and systems.
Typical applications include motor control, telecom,
automotive systems, solenoid, and power supply circuits to
protect circuit board components and maintain data integrity.
These devices are available in five model sizes: 5mm, 7mm,
10mm, 14mm and 20mm, and feature a wide V
range of 5.5V to 615V.
See ZA Series Device Ratings and Specifications table for
part number and brand information.
voltage
DC
File Number 2184.6
Features
• Recognized as “Protectors for Data Communications and
Fire Alarm Circuits”, UL File #E135010 to Std. 497B
• VDE Certified. License Number 116895E
• Wide Operating Voltage Range V
• DC Voltage Ratings . . . . . . . . . . . . . . . . . . . 5.5V to 615V
• No Derating Up to 85
• 5 Model Sizes Available . . . . . . . . 5, 7, 10, 14, and 20mm
• Radial-Lead Package for Hard-Wired or Printed Circuit
Board Designs
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied..
Device Ratings and Specifications
(Note 1)
VDE Certified. License Number 116895E
ZA Series Varistors are listed under UL File No. E135010 as a UL recognized component.
PART
NUMBER
MODEL
SIZE
DISC
DIA. (mm)BRAND
MAXIMUM RATING (85
CONTINUOUSTRANSIENT
ENERGY 10
V
M(AC)
RMS
V
V
M(DC)
DC
x 1000 µ s
o
C)SPECIFICATIONS (25
MAXIMUM
PEAK
CURRENT
8 x 20 µ s
W
TM
I
TM
VARISTOR VOLT-
AGE AT 1mA DC
TEST CURRENT
V
MIN
NOM
V
NOM
MAXV
CLAMPING
VOLTAGE
8 x 20 µ s
C
(V)(V)(J)(A)(V)(V)(A)(pF)
o
C)
TYPICAL
CAPACI-
TANCE
f = 1MHzV
I
PK
C
V8ZA055Z0845.50.1506113011400
V8ZA1708Z145.50.4100611222.53000
V8ZA21008Z245.50.82506112057500
V12ZA055Z12680.14509163711200
V12ZA1712Z1680.6100916342.52500
V12ZA21012Z2681.22509163056000
V18ZA055Z1810140.1710014.421.63611000
V18ZA1718Z110140.825014.421.6362.52000
V18ZA210 18Z210141.550014.421.63655000
V18ZA314 18Z310143.5100014.421.6361011000
V18ZA4020 18Z40101480 (Note 2)200014.4
21.6372022000
(Note 3)
V22ZA055Z2214180.210018.726431800
V22ZA1722Z114180.925018.726432.51600
V22ZA210 22Z21418250018.7264354000
V22ZA314 22Z314184100018.72643109000
V24ZA5020 24Z501418
(Note 4)
100 (Note 2)200019.2
(Note 3)
26432018000
V27ZA055Z2717220.251002331.1531600
V27ZA1727Z1 17221 2502331.1532.51300
V27ZA21027Z217222.55002331.15353000
V27ZA41427Z41722510002331.153107000
V27ZA602027Z601722120 (Note 2)200023
31.1502013000
(Note 3)
4-35
ZA Series
Device Ratings and Specifications
(Note 1) (Continued)
VDE Certified. License Number 116895E
ZA Series Varistors are listed under UL File No. E135010 as a UL recognized component.
PART
NUMBER
MODEL
SIZE
DISC
DIA. (mm)BRAND
MAXIMUM RATING (85
CONTINUOUSTRANSIENT
ENERGY 10
V
M(AC)
RMS
V
V
M(DC)
DC
x 1000 µ s
o
C)SPECIFICATIONS (25
MAXIMUM
PEAK
CURRENT
8 x 20 µ s
W
TM
I
TM
VARISTOR VOLT-
AGE AT 1mA DC
TEST CURRENT
V
MIN
NOM
V
NOM
MAXV
CLAMPING
VOLTAGE
8 x 20 µ s
C
(V)(V)(J)(A)(V)(V)(A)(pF)
o
C)
TYPICAL
CAPACI-
TANCE
f = 1MHzV
I
PK
V33ZA055Z33 20260.310029.538651500
V33ZA1733Z1 20261.225029.536.5652.51100
V33ZA21033Z2 2026350029.536.56552700
V33ZA51433Z520266100029.536.565106000
V33ZA702033Z702127150 (Note 2)200029.5
36.5582013000
(Note 3)
V36ZA802036Z802331160 (Note 2)200032
40632012000
(Note 3)
V39ZA055 Z3925310.31003546791500
V39ZA17 39Z125311.22503543792.51100
V39ZA310 39Z32531350035437652700
V39ZA614 39Z6253161000354376106000
V39ZA202039Z2025312020003543762012000
V47ZA055Z4730380.41004255931400
V47ZA1747Z130381.82504252932.5800
V47ZA31047Z330384.550042529352000
V47ZA71447Z730388.81000425293104500
V47ZA202047Z2030382320004252932011000
V56ZA055Z5635450.510050661101360
V56ZA2756Z235452.325050621102.5700
V56ZA31056Z335455.5500506211051800
V56ZA81456Z835451010005062110103900
V56ZA202056Z20354530200050621102010000
V68ZA055Z6840560.610061801351300
V68ZA2768Z24056325061751352.5600
V68ZA31068Z340566.5500617513551500
V68ZA101468Z1040561310006175135103300
V68ZA202068Z20405633200061751352010000
V82ZA055Z825068240073971355240
V82ZA2782Z2506841200739113510500
V82ZA41082Z45068825007391135251100
V82ZA121482Z1250681545007391145502500
V100ZA055Z10060812.5400901171655180
V100ZA37100Z6081512009011016510400
V100ZA410100Z460811025009011016525900
V100ZA1514100Z15608120450090110175502000
C
4-36
ZA Series
Device Ratings and Specifications
VDE Certified. License Number 116895E
ZA Series Varistors are listed under UL File No. E135010 as a UL recognized component.
MODEL
PART
NUMBER
V120ZA055Z1207510234001081382055140
V120ZA17120Z751026120010813220510300
V120ZA410120Z47510212250010813220025750
V120ZA614120Z675102224500108132210501700
V120ZA2020120Z20751023365001081322101001500
V150ZA055Z1509212744001351732505120
V150ZA17Z051951278120013516525010250
V150ZA410150Z49512715250013516525025600
†
V150ZA814150Z895127204500135165250501400
V150ZA2020150Z20951274565001351652501001000
V180ZA055Z18011015354001622072955100
V180ZA17180Z11515310120016219830010200
V180ZA510180Z511515318250016219830025500
V180ZA1014180Z10115153354500162198300501100
V180ZA2020180Z201151535265001621983001002400
V205ZA055Z2051301705.54001842263405100
†
V220ZA055Z2201401806400198253360590
†
V240ZA055Z2401502007400216264395580
†
V270ZA055Z2701752257.5400243311455570
†
V330ZA055Z3302102759400297380540560
†
V360ZA055Z3602303009.5400324396595555
†
V390ZA055Z39025033010400351449650550
†
V430ZA055Z43027536911400387495710545
†
V470ZA055Z47030038512400420517775535
†
V620ZA055Z620385505134005586821025533
V680ZA055Z680420560144006107481120532
†
V715ZA055Z71544058515.54006437871180531
V750ZA055Z750460615174006758251240530
NOTES:
1. Average power dissipation of transients not to exceed 0.2W, 0.25W, 0.4W, 0.6W or 1W for model sizes 5mm, 7mm, 10mm, 14mm and 20mm,
respectively.
2. Energy rating for impulse duration of 30ms minimum to one half of peak current (auto load dump).
3. 10mA DC test current.
4. Also rated to withstand 24V for 5 minutes.
5. Higher voltages available, contact Littelfuse.
Also listed to UL1449, Second Edition, “Transient Voltage Surge Suppressors” File #E75961.
†
SIZE
DISC
DIA. (mm)BRAND
(Note 1) (Continued)
MAXIMUM RATING (85
CONTINUOUSTRANSIENT
DC
ENERGY 10
x 1000 µ s
RMS
V
M(AC)
(V)(V)(J)(A)(V)(V)(A)(pF)
V
V
M(DC)
o
C)SPECIFICATIONS (25
PEAK
CURRENT
8 x 20 µ s
W
TM
I
TM
VARISTOR VOLT-
AGE AT 1mA DC
TEST CURRENT
V
MIN
NOM
V
NOM
MAXV
MAXIMUM
CLAMPING
VOLTAGE
8 x 20 µ s
C
o
C)
TYPICAL
CAPACI-
I
PK
TANCE
f = 1MHzV
C
4-37
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