Maida Development Company - sales@maida.com - (757) 723-0785
STANDARD MARKING
Minimum marking shall consist of an
abbreviated style designation and, when
space is available, the manufacturer’s
initials or company logo.
Example 1: Example 2:
MDC MDC
20HC R65
130V HZ131
Where:
MDC - Company Initials
20 - Disc Diameter
HC - High Current
130V - AC Voltage rating (130VAC)
MDC - Company Initials
R65 – Square Disc Diameter
HZ – High Current
131 – AC Voltage rating (130VAC)
A manufacturing date code and/or
special markings are available upon
request.
Other safety agency designations are
included where applicable.
Z
X
d NOM.
Lead Length
Y
H
D T
X
d
LEAD LENGTH
H
T
D
Z
Y
HC SERIES
INTRODUCTION
D 65 21 ZOV 131 HC
1. Coating Designation
D – Standard Epoxy Coating
P – Phenolic Coating
R/S – Square Disc Epoxy Coating
PR/PS – Square Disc Phenolic
Coating
Neither – Denote no conformal
coating.
2. Nominal Disk Diameter
68 – 8mm R61 – 9mm Square
61 – 10mm R71 – 10mm Square
71 – 11mm R62 – 11mm Square
62 – 12mm R69 – 12mm Square
69 – 14mm R64 – 14mm Square
79 – 15mm R65 – 17mm Square
64 – 16mm R80 – 20mm Square
63 – 18mm S66 – 25mm Square
65 – 20mm
66 – 25mm
3. Lead Configuration
(Refer to lead codes)
4. Material Identifier
Z
inc Oxide Varistor
5. AC Voltage Rating
Two significant figures plus nu mber
of zeroes that follow, i.e. 131 is 130 VAC
6. Special Instructions, HC is standard
The HC Series, or High Current Series, is our
specialized line of round and square disc, radial-
leaded varistors. These components consist of wire
leads and have nominal disk diameters from 8mm to
25mm. They are available with maximum continuous
operating voltages (MCOV) ranging from 130VAC to
550VAC.
The HC Series is designed for pulse repetition and/or
higher surge current environments including
requirements by many safety agency standards, such
as UL943. Most sizes are available in Tape and Reel
and ammo pack.
STYLE DESIGNATION
The Maida Style Number is the typical means to
identify our components when ordered. The style
number identifies several parameters that are
important for the characteristics of the device. An
alternative ordering method, if known, is by our Item
Number.
The following example is the standard part
numbering system when ordering our HC Series
components by the Maida Style Number:
17
Typical
Maida Nominal Minimum Cap.
Style Size Marking
Number 10 x 1000 8 x 20 1 V rms
μ
sec
μ
sec
1 2 Vmin Vmax @1kHz
A B C D E F (mm) (AC) (DC) (J) (J) (A) (A) (V) (V) (V) (A) (pF)
R61ZOV131HC X X 9 R61-HZ131 130 175 45 45 4500 3500 184 224 340 20 550
R71ZOV131HC X X 10 R71-HZ131 130 175 48 48 5200 3750 184 224 340 25 640
D71ZOV131HC X X 11 11HC130V 130 175 71 71 4700 3500 184 224 340 30 570
R62ZOV131HC X X 11 R62-HZ131 130 175 53 53 6500 5000 184 224 340 30 770
D62ZOV131HC X X 12 12HC130V 130 175 85 85 5600 4000 184 224 340 40 960
R69ZOV131HC X X 12 R69-HZ131 130 175 70 70 9000 7000 184 224 340 50 790
D69ZOV131HC X X 14 14HC130V 130 175 110 110 6500 5000 184 224 340 50 1040
R64ZOV131HC X X 14 R64-HZ131 130 175 100 100 10000 7000 184 224 340 50 1100
D79ZOV131HC X X 15 15HC130V 130 175 120 120 8200 6000 184 224 340 55 1210
D64ZOV131HC X X 16 16HC130V 130 175 145 145 10000 7500 184 224 340 60 1510
R65ZOV131HC X X 17 R65-HZ131 130 175 150 150 15000 12000 184 224 340 100 1800
D63ZOV131HC X X 18 18HC130V 130 175 200 200 12000 9000 184 224 340 80 1800
D65ZOV131HC X X 20 20HC130V 130 175 225 225 15000 12000 184 224 340 100 2310
R80ZOV131HC X X 20 R80-HZ131 130 175 160 160 17000 13000 184 224 340 100 2450
R66ZOV131HC X X 22 R66-HZ131 130 175 170 170 18000 14000 184 224 325 150 3200
D66ZOV131HC X X 25 HZ131-140UL 130 175 250 250 15000 12000 184 224 340 100 4000
S66ZOV131HC X X 25 S66-HZ131 130 175 235 235 22000 18000 184 224 325 200 4150
D71ZOV141HC X X 11 11HC140V 140 180 78 78 4700 3500 198 242 360 30 530
D62ZOV141HC X X 12 12HC140V 140 180 97 97 5600 4000 198 242 360 40 890
D69ZOV141HC X X 14 14HC140V 140 180 120 120 6500 5000 198 242 360 50 960
D79ZOV141HC X X 15 15HC140V 140 180 140 140 8200 6000 198 242 360 55 1120
D64ZOV141HC X X 16 16HC140V 140 180 155 155 10000 7500 198 242 360 60 1400
D63ZOV141HC X X 18 18HC140V 140 180 200 200 12000 9000 198 242 360 80 1680
D65ZOV141HC X X 20 20HC140V 140 180 255 255 15000 12000 198 242 360 100 2150
D66ZOV141HC X X 25 HZ141-150UL 140 180 270 270 15000 12000 198 242 360 100 3700
R61ZOV151HC X X 9 R61-HZ151 150 200 50 50 4500 3500 212 259 395 20 480
R71ZOV151HC X X 10 R71-HZ151 150 200 54 54 5200 3750 212 259 395 30 550
D71ZOV151HC X X 11 11HC150V 150 200 86 86 4700 3500 212 259 395 30 490
R62ZOV151HC X X 11 R62-HZ151 150 200 59 59 6500 5000 212 259 395 30 670
D62ZOV151HC X X 12 12HC150V 150 200 105 105 5600 4000 212 259 395 40 820
R69ZOV151HC X X 12 R69-HZ151 150 200 78 78 9000 7000 212 259 395 50 680
D69ZOV151HC X X 14 14HC150V 150 200 130 130 6500 5000 212 259 395 50 880
R64ZOV151HC X X 14 R64-HZ151 150 200 106 106 10000 7000 212 259 395 50 960
D79ZOV151HC X X 15 15HC150V 150 200 150 150 8200 6000 212 259 395 55 1030
D64ZOV151HC X X 16 16HC150V 150 200 175 175 10000 7500 212 259 395 60 1290
R65ZOV151HC X X 17 R65-HZ151 150 200 160 160 15000 12000 212 259 395 100 1600
D63ZOV151HC X X 18 18HC150V 150 200 200 200 12000 9000 212 259 395 80 1540
D65ZOV151HC X X 20 20HC150V 150 200 275 275 15000 12000 212 259 395 100 1970
R80ZOV151HC X X 20 R80-HZ151 150 200 170 170 17000 13000 212 259 395 100 2100
R66ZOV151HC X X 22 R66-HZ151 150 200 180 180 18000 14000 212 259 360 150 2800
D66ZOV151HC X X 25 HZ151-160UL 150 200 290 290 15000 12000 212 259 395 100 3500
S66ZOV151HC X X 25 S66-HZ151 150 200 240 240 22000 18000 212 259 360 200 3600
D68ZOV181HC X X 8 HZ181-03 180 230 55 55 2500 1750 255 311 465 15 250
R61ZOV181HC X X 9 R61-HZ181 180 230 60 60 4500 3500 255 311 465 20 400
D61ZOV181HC X X 10 HZ181-04 180 230 84 84 3500 2500 255 311 465 25 510
R71ZOV181HC X X 10 R71-HZ181 180 230 61 61 5200 3750 255 311 465 25 460
D71ZOV181HC X X 11 HZ181-05 180 230 92 92 4500 3500 255 311 465 30 700
R62ZOV181HC X X 11 R62-HZ181 180 230 62 62 6500 5000 255 311 465 30 560
D62ZOV181HC X X 12 HZ181-07UL 180 230 112 112 5200 3750 255 311 465 40 920
R69ZOV181HC X X 12 R69-HZ181 180 230 100 100 9000 7000 255 311 465 50 570
D69ZOV181HC X X 14 HZ181-09UL 180 230 140 140 6500 5000 255 311 465 50 880
R64ZOV181HC X X 14 R64-HZ181 180 230 145 145 10000 7000 255 311 465 50 800
D64ZOV181HC X X 16 HZ181-12UL 180 230 187 187 9000 7500 255 311 465 60 1180
R65ZOV181HC X X 17 R65-HZ181 180 230 190 190 15000 12000 255 311 465 100 1300
D63ZOV181HC X X 18 HZ181-100UL 180 230 252 252 10000 8000 255 311 465 80 1540
D65ZOV181HC X X 20 HZ181-20UL 180 230 293 293 13000 10000 255 311 465 100 1960
R80ZOV181HC X X 20 R80-HZ181 180 230 195 195 17000 13000 255 311 455 100 1800
R66ZOV181HC X X 22 R66-HZ181 180 230 200 200 18000 14000 255 311 455 150 2300
D66ZOV181HC X X 25 HZ181-200UL 180 230 300 300 15000 12000 255 311 465 100 2900
S66ZOV181HC X X 25 S66-HZ181 180 230 310 310 22000 18000 255 311 455 200 3000
NOTES:
Appendix A lists the single-pulse peak current and energy ratings on file with the Safety Agencies.
Maximum transient rating specified in this table are valid. They may differ from those shown in Appendix A.
A = UL1449 D = VDE
B = cUL E =
C = CSA F =
HC SERIES
SPECIFICATIONS
Continuous Transient
Varistor ClampingPeak
130VAC thru 180VAC VARISTORS
Max
Energy
8 x 20
μ
sec
Maximum Ratings Electrical Characteristics
Recognitions
Standards
(
8 x 20
μ
sec
)
Voltage
Agency # Pulses
Safety @1 mA DC (@Test Current)
VoltageVoltage To CurrentApplied
18