参数资料
| 型号： | V321NA34 |
| 厂商： | Littelfuse Inc |
| 文件页数： | 4/5页 |
| 文件大小： | 0K |
| 描述： | VARISTR IND SQ DISC 320V 34MM NA |
| 标准包装： | 100 |
| 系列： | NA |
| 变阻器电压： | 510V |
| 电流 - 浪涌： | 40kA |
| 电路数： | 1 |
| 最大交流电压： | 320VAC |
| 最大直流电压： | 420VDC |
| 能量： | 460J |
| 封装/外壳： | 方形 34mm |
Varistor Products
High Energy Industrial Square Disc
NA Varistor Series
Pulse Rating Curves
50,000
1
DISC SIZE 34mm
20,000
10,000
2
10
V131NA34 - V751NA34
5,000
2,000
10 2
10 3
10 5
10 6
2
1,000
500
200
100
50
20
10 4
INDEFINITE
10
20
100
1,000
10,000
IMPULSE DURATION ( μ s)
FIGURE 4. SURGE CURRENT RATING CURVES FOR
V131NA34 - V751NA34
NOTE:If pulse ratings are exceeded, a shift of VN(DC) (at specified current) of more than ±10% could result. This type of shift, which normally results in a decrease of VN(DC),
may result in the device not meeting the original published specifications, but it does not prevent the device from continuing to function, and to provide ample protection.
NA SERIES
Mechanical Dimensions
VARISTOR THICKNESS
MILLIMETERS
INCHES
(MILLIMETERS)
MODEL
NUMBER
V131NA34
V141NA34
V151NA34
V251NA34
V271NA34
V321NA34
V421NA34
V481NA34
V511NA34
V571NA34
V661NA34
V751NA34
MIN
1.40
1.45
1.50
1.70
1.80
2.10
3.00
3.20
3.60
4.00
4.50
5.20
MAX
2.30
2.55
2.80
2.30
2.70
3.00
4.00
4.40
4.90
5.60
6.80
7.50
MIN
0.055
0.057
0.059
0.066
0.070
0.082
0.118
0.125
0.141
0.118
0.176
0.204
MAX
0.090
0.100
0.011
0.090
0.106
0.118
0.157
0.173
0.192
0.220
0.267
0.294
NOTE: Parts available encapsulated with soldered
tabs, to standard design or customer speci?c
requirements. Also see HB34 Series.
w w w. l i t t e l f u s e . c o m
125
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