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Power Oval Flat-Wirewound Resistors - ZR Series

Oval Flat-Wirewound Power Resistors

wirewound,power

A flat tubular ceramic has two terminals and is wound with either copper wire or chromium alloy wire as a resistance element. It is coated with a high-temperature non-flammable resin. When cooled and dried, it is encapsulated in insulation through a high-temperature process before the final installation of the component mounts. It is mainly utilized for industrial installations where height is limited. Features excellent windings, taps adding, low impedance, and PC board insertable. These resistors are suitable for educational modeling applications, load testing, industrial machinery, electric power distribution, instruments, automation control installations, etc. For custom specifications, please contact us to discuss the details.

ZDR 40W ~ 300W Set-Type Wirewound
Wattage
Rating		 Dimensions(mm) Resistance
Range(Ω)
A B C D E F G H I J K
40W 83 70 50 28 11 5.2 4.1 13 6.5 12 42 0.1~5KΩ
55W 123 110 90 28 11 5.2 4.1 13 6.5 12 42 0.1~6KΩ
70W 153 140 120 28 11 5.2 4.1 13 6.5 12 42 0.1~7KΩ
95W 183 170 150 28 11 5.2 4.1 13 6.5 12 42 0.1~10KΩ
100W 193 180 160 28 11 5.2 4.1 13 6.5 12 42 0.1~12KΩ
120W 218 205 185 28 11 5.2 4.1 13 9 12 42 0.1~15KΩ
150W 218 205 185 35 11 5.2 5.2 13 9 13 48 0.1~18KΩ
200W 243 230 210 35 11 5.2 5.2 13 9 13 48 0.1~25KΩ
250W 287 274 254 35 11 5.2 5.2 13 9 13 48 0.1~30KΩ
300W 333 320 300 35 11 5.2 5.2 13 9 13 48 0.1~35KΩ

ZQR 60W ~ 450W Wave-Type Wirewound
Wattage
Rating		 Dimensions(mm) Resistance
Range(Ω)
A B C D E F G H I J K
60W 83 70 50 28 11 5.2 4.1 13 6.5 12 42 1~4Ω
80W 123 110 90 28 11 5.2 4.1 13 6.5 12 42 1~5Ω
100W 153 140 120 28 11 5.2 4.1 13 6.5 12 42 1~7Ω
140W 183 170 150 28 11 5.2 4.1 13 6.5 12 42 1~9Ω
150W 193 180 160 28 11 5.2 4.1 13 6.5 12 42 1~10Ω
180W 218 205 185 28 11 5.2 4.1 13 9 12 42 1~12Ω
225W 218 205 185 35 11 5.2 5.2 13 9 13 48 1~15Ω
300W 243 230 210 35 11 5.2 5.2 13 9 13 48 1~20Ω
375W 287 274 254 35 11 5.2 5.2 13 9 13 48 1~25Ω
450W 333 320 300 35 11 5.2 5.2 13 9 13 48 1~30Ω
  • All dimensions might bZDN 40W ~ 300W Set-Type Non-Inductive Wirewound
ZDN 40W ~ 300W Set-Type Non-Inductive Wirewound
wirewound power Wattage
Rating		 Dimensions(mm) Resistance
Range(Ω)
A B C D E F G H I J K
40W 83 70 50 28 11 5.2 4.1 13 6.5 12 42 0.1~2KΩ
55W 123 110 90 28 11 5.2 4.1 13 6.5 12 42 0.1~2.5KΩ
70W 153 140 120 28 11 5.2 4.1 13 6.5 12 42 0.1~3KΩ
95W 183 170 150 28 11 5.2 4.1 13 6.5 12 42 0.1~4.5KΩ
100W 193 180 160 28 11 5.2 4.1 13 6.5 12 42 0.1~5.5KΩ
120W 218 205 185 28 11 5.2 4.1 13 9 12 42 0.1~7KΩ
150W 218 205 185 35 11 5.2 5.2 13 9 13 48 0.1~8.5KΩ
200W 243 230 210 35 11 5.2 5.2 13 9 13 48 0.1~12KΩ
250W 287 274 254 35 11 5.2 5.2 13 9 13 48 0.1~14KΩ
300W 333 320 300 35 11 5.2 5.2 13 9 13 48 0.1~16KΩ

ZQN 60W ~ 450W Wave-Type Non-Inductive Wirewound
Wattage
Rating		 Dimensions(mm) Resistance
Range(Ω)
A B C D E F G H I J K
60W 83 70 50 28 11 5.2 4.1 13 6.5 12 42 1~4Ω
80W 123 110 90 28 11 5.2 4.1 13 6.5 12 42 1~5Ω
100W 153 140 120 28 11 5.2 4.1 13 6.5 12 42 1~7Ω
140W 183 170 150 28 11 5.2 4.1 13 6.5 12 42 1~9Ω
150W 193 180 160 28 11 5.2 4.1 13 6.5 12 42 1~10Ω
180W 218 205 185 28 11 5.2 4.1 13 9 12 42 1~12Ω
225W 218 205 185 35 11 5.2 5.2 13 9 13 48 1~15Ω
300W 243 230 210 35 11 5.2 5.2 13 9 13 48 1~20Ω
375W 287 274 254 35 11 5.2 5.2 13 9 13 48 1~25Ω
450W 333 320 300 35 11 5.2 5.2 13 9 13 48 1~30Ω
  • All dimensions might be changed or modified, please refer to last updating specification.

How to Order
ZDR55W10RJ
1234
1 Part Number
Part Number
ZDR
ZQR
ZDN
ZQN
2 Rated wattage
Part NumberRated wattage
ZDR type40W~300W
ZQR type60W~450W
ZDN type40W~300W
ZQN type60W~450W
3 Resistance Value (Ω)
CodeResistance Value (Ω)
0R10.1Ω
1R1Ω
10R10Ω
12R12Ω
12K12KΩ
4 Resistance Tolerance (%)
CodeResistance Tolerance (%)
H±3%
J±5%
K±10%

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