Metal Oxide Varistors - MERITEK
Description
Metal Oxide Varistors
MVR Series
Description
MERITEK
FEATURES
• • • • Fast response to rapidly rising surge voltage High performance clamping voltage characteristics Operating / storage temperature: -40 ~ +85°C / -40 ~ +125°C Varistor voltage: 18V to 1800 V
APPLICATI ON S
• • • •
Transistor, diode, IC, thyristor and triac semiconductor protection Surge protection in consumer electronics , industrial electronics, communication, home appliances Electrostatic discharge and noise spike suppression Relay and electromagnetic valve surge absorption
UL1414 E197475 CSA 225125 VDE 40013638 UL1449 3rd Edition E326004
PART NUMBERING SYSTEM MVR
Meritek Series Element Dia
CODE mm 05 Ø5.
0 07 Ø 7.
0 10 Ø 10.
0 14 Ø 14.
0 18 Ø 18.
0 20 Ø 20.
0 25 Ø 25.
0 32 Ø 32.
0 40 Ø 40.
0 53 Ø 53.
0 34 Ø 34.
0
05
D
471
K
Y
-S
CODE
D Disk or dual square
S Single square
A Bare
X Special
Varistor Voltage
The first two digits are significant figures and the third one denotes the number of zeros following.
Decimal point is represented by R:
CODE 330 33 x 10º = 33V 471 47 x 10 ¹ = 470V 102 10 x 10² = 1000V
Tolerance
CODE K ±10% M ±20% Customer special requirement
Lead Type
CODE Blank
Straight Wire: Less than 25mm Strap: More than 25mm
Q
G
Y
O
I
Strap Wire Y kink Out kink In kink
… - S High Surge
* Notes: A suffix may be added to denote custom features.
Specifications are subject to change without notice.
rev.
6b
Metal Oxide Varistors
05D SPECIFICATION
Maximum Allowable Voltage Acrms (V) 05D 180K 05D 220K 05D 270K 05D 330K 05D 390K 05D 470K 05D 560K 05D 680K 05D 820K 05D 101K 05D 121K 05D 151K 05D 181K 05D 201K 05D 221K 05D 241K 05D 271K 05D 301K 05D 331K 05D 361K 05D 391K 05D 431K 05D 471K 05D 511K 05D 561K 11 14 17 20 25 30 35 40 50 60 75 95 115 130 140 150 175 190 210 230 250 275 300 320 350 DC (V) 14 18 22 26 31 38 45 56 65 85 100 125 150 170 180 200 225 250 275 300 320 350 385 415 460 Varistor Voltage V@1ma (V)
18(15~21) 22(20~24) 27(24~30) 33(30~36) 39(35~43) 47(42~52) 56(50...
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