按工业标准尺寸生产,小型化,组装密度高
Industry standard size,miniature,high density assembly
可靠性高,使用寿命长,防潮性、抗腐蚀性好
High reliability,long life excellentmoistureproof and cauterization
设计灵活,可根据用户要求生产
Free design,producting according to the consumer require
应用 于工 业设 备、 家用 电器 、医 疗设 备以 及测 试与 测量 设备
Application to Industrial equipment, household appliances, medical equipment and test and
measurement equipment
/331
A
H
08
473
电路结构
代码
Type Code
额定功率代号
Power Rating
Code
引 脚数
Pins
电阻值代号
电 阻值代号
Resistance Value
CodeI
Resistance
Value Code
A
B
C
D
E
F
G
H
T
代 号
Code
无 表示
Blank
H
功率
Power
1/8W
04~14
三位数:
3 digit
例如Example:
473=47KΩ
1/4W
E、F、H、
T型产 品
E, F, H, Ttype produ ct
三位数 :
3 digit
例如 Example:
331=330Ω
Y
J
电阻值误差精度代号
Resistance
Tolerance Code
代 号
Code
误差精度
Tolerance
F
±1%
G
±2%
J
±5%
J
(跨接电阻)
脚距代号
Code of Pin
Distance
无表 示
Blan k
环保代号
Code of
Lead-Free
2.54
mm
P
Y
≤50 mΩ
1、 外包封
Outercoating
P
1.778
mm
a
2、导 体
Conductor
3、 陶瓷基片
Ceramic substrate
4、电 阻体/保护 层
Resistor L ayer/ Protection coating
5、 引 脚
Load pin
c
b
d
1
n
2
P
g
1
环保品
Environ
mental
e
f
厚 膜网络电阻器
THIC K FIL M NE TWO RK RE SIST OR
型号
Type
型号
Type
等效 电 路
Equivalent Circuit
R1
R2
R1
Rn
A
型号
Type
等 效电 路
Equivalent Circuit
R2
Rn
R1
3
n+1
1
R 1 = R 2 = …… = R n
R1 R2
2
4
3
2n
R1
R1
1
R1
1
2
n
F
2
1
n+1
R1 = R 2 = … … = R n
4
3
G
H
n+1 n+2
R1
R1
R2
1
R1 = R 2 = … … = R n
2
3
R1
R1
n-1 n
5
R2
R2
2
1
R 1 = R 2 0R R 1 ≠ R 2
R2
n+1
R2
R2
E
1
2n+1
n
2
R1
R2
D
Rn
R1 = R 2 = … … = R n
R 1 = R 2 = …… = R n
Rn
Rn-1
R2
C
B
2
1
等 效 电路
Equivalent Circuit
R2
3
n- 1
n
R 1 = R 2 0R R 1 ≠ R 2
R1
R2
4
5
T
n
n+1
R 1 = R 2 0R R 1 ≠ R 2
R 1 = R 2 0R R 1 ≠ R 2
常规 尺寸
Normal Dimension
代号
Code
a
2.54×(n-1)+2.50max
5.80max
A、B、C、D、E、F、G、H 型 Type
b
9.20max
T 型 Type
c
3.20max
d
0.50±0.1
e
3.50±0.5
f
0.25±0.1
g
2.54×(n-1)±0.3
p
2.54±0.1
100
70℃
-55℃
75
额定负荷百分比
Percent Rated Load
使 用温 度 范围 :
Operating
Temperature Range:
-55℃ ~125℃
50
25
0
-75
-50
-25
0
25
50
75
100
125
155
环 境温 度 Ambient temperature (℃ )
注:当电阻使用的环境温度超过70℃时,其额定负荷(额定功率)按上述曲线下降。
Note: For resistors operated in ambient over 70℃,rated load (rated power) shall be derated in accordance with
the above figure.
2
试 验项目
Test Item
测试方法
Test Method
规定 值
Standard
按照GB/T 8976-1996 中4.5.12条的规定执行
According to GB / T 8976-1996 in the implementation
of the provisions of Article 4.5.12
Termi nal St rength
|△R|≤(1%R+0.05Ω),0Ω(跨接电阻)
|△R|≤(1%R+0.05Ω),0Ω(Jumper resistance)
≤50mΩ
可 焊性
Solderability
试验后外观无异常,且上锡率不小于95%
No abnormal appearance after the test, and
the rate of not less than 95%
耐焊接热
Resistance to
Soldering Heat
|△R|≤(1%R+0.05Ω),0Ω(跨接电阻)
|△R|≤(1%R+0.05Ω),0Ω(Jumper resistance)
≤50mΩ
电阻温度系数
T.C.R
在规定值内
within specified T.C.R
短时间过负载
Short Time
Overload
|△R|≤(2%R+0.05Ω),0Ω(跨接电阻 )
|△R|≤(2%R+0.05Ω),0Ω(Jumper resistance)
≤50mΩ
IEC 60115-1 4.13
施加2.5倍额定电压或最大过负荷电压(取较小者)持续5秒
Apply 2.5 times rated voltage or Max overload
voltage, whichever is lower, for 5 s.
温度快速变化
Rapid Change of
Temperature
|△R|≤(1%R+0.05Ω),0Ω(跨接电阻 )
|△R|≤(1%R+0.05Ω),0Ω(Jumper resistance)
≤50mΩ
IEC 60115-1 4.19
-55℃(30分钟)~ 常温(5分钟)~125℃(30分钟)5个循环
-55℃(30min)~mornaltemperature(5min)~125℃
(30min)5cycles
引 出 端强 度
70℃耐久性
Endurance at 70℃
稳态湿热
Damp Heat
Steady State
上限类 别温度 耐久性
Endurance at Upper
Category Temperature
耐溶 剂性
Component Solvent
Resistance
IEC 60115-1 4.17
在260±5℃的焊料槽内,浸入时间
2±0.5秒。Tem:260±5℃, Time: 2±0.5s.
IEC 60115-1 4.18
270℃±5℃,5s±1s
IEC 60115-1 4.8
+25℃/-55℃/+25℃/+125℃/+25℃
IEC 60115-1 4.25.1
|△R|≤(3%R+0.05Ω),0Ω(跨接电阻)
70℃±2℃,1000小时,额定电压或元件极限电压(取较小
|△R|≤(3%R+0.05Ω),0Ω(Jumper resistance) 值)通1.5小时/断0.5小时。
≤50mΩ
70℃±2℃,1000h,Rated voltage or limiting element
voltage whichever is lower 1.5h ON/0.5h OFF.
|△R|≤(3%R+0.05Ω),0Ω(跨接电阻)
|△R|≤(3%R+0.05Ω),0Ω(Jumper resistance)
≤50mΩ
|△R|≤(3%R+0.05Ω),0Ω(跨接电阻)≤50mΩ
|△R|≤(3%R+0.05Ω),0Ω(Jumper resistance)
≤50mΩ
试验后产品外观无异常,标志应清晰可见
No abnormal appearance of the product after
the test, signs should be clearly visible
IEC 60115-1 4.24
40℃±2℃,93%±3%RH,额定电压或最大工作电压(取较小者
)通1.5小时,断0.5小时,持续500小时。
Resistor should be exposed at 40℃±2 ℃,93% ±3%RH,
1000h and apply rated voltage or Max working voltage,
whichever is lower, for 1.5h on, 0.5h off for 1000h.
IEC 60115-1 4.25.3
125℃±2℃ 1000h
Resistor should be exposed at 125℃±3℃ for1000 h.
使用溶剂:异丙醇;溶剂温度:(23±2)℃;
浸泡时间:(10±1)h
Solvent: isopropyl alcohol; solvent temperature:
(23±2)℃; soaking time: (10±1)h
包 封 绝缘 耐 电压
Coating
Dielectric
W ithstandin g
Voltage
包 封绝 缘阻 抗
Coating
Insulation
Resistance
无弧光,燃烧或本体被击穿等现象
No arc, burning or other body is the
breakdown phenomenon
在引脚和包封层之间施加500VDC,持续时间:1min.
In the encapsulation layer is applied between the pin
and 500 VDC, Duration: 1min.
在引脚和包封层之间施加500VDC,持续时间:1min.
In the encapsulation layer is applied between the pin
and 500 VDC, Duration: 1min.
R≥100MΩ
3
厚 膜网络电阻器
THIC K FIL M NE TWO RK RE SIST OR
项目 Item
标 准 Specification
1/8W (1/4W)
额 定 功率 Power Rating
200V
最 大工 作电 压 Max.Operating Voltage
280V
最大过 负 荷电压 Max.Overload Voltage
跨 接电 阻额 定 电流 Jumper Rated Current
2A
电 阻温度 系数 Resistance Temperature
Coefficient (T.C.R)
10Ω≤R≤1MΩ:±100ppm/℃
1Ω ≤R
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