◆型号表示法 Part Number
FNR
10
K
181
B
B
S
N
1
NN
包装方式
Packing
压敏电压公差
Tolerance
引脚长度/编带孔距
Lead Length/Taping
Pitch-row
内部控制码
Internal
code
风华压敏电阻
Fenghua
Nonlinear Resistor
K
10%
B
Bluk
S
Long lead
Short lead
T
Taping
C
T
V
Taping Pitch-row
12.7mm
Taping Pitch-row
15.0mm
芯片标称直径
Diameter of
Element
产品级别 Product level
05
07
10
14
20
05mm
07mm
10mm
14mm
20mm
压敏电压
Varistor Voltage
N
E
Standard
180
18×100=18V
18×101=180V
18×102=1800V
High Energy
181
182
产品配置
Product Configuration
引脚形状
Lead Style
Conventional,no-jacket
and no-explosion-proof
A
B
F
Straight
1
2
Outward-Crimp
Inward-Crimp
Y-Crimp
Lucency jacket
Black jacket
3
Y
...
W
M
...
Horizontal explosion-proof
Vertical explosion-proof
...
...
◆结构及尺寸 Structure And Dimensions
*产品结构和主要材料 Construction and main materials of products
NO
1
主要结构 The main structure
瓷体 Ceramic disc
电极 Electrodes
焊点 Solder
物质成分 Material composition
氧化锌 ZnO
2
银 Ag
3
锡 Sn、银 Ag、铜 Cu
环氧树脂 Epoxy resin
4
包封层 Coating
镀锡铜包钢线或镀锡铜线
Tin-Plate steel wire or Tin-Plate Copper wire
5
引线 Leads
2