Product name: RX20 wire-wound glaze -coating fixed resistor
Type: RX20
Product introduction: RX20 series resistor is vitreous enameled wire wound resistor, vitreous enameled product has the high ability of resistance to pollution ,chemic gas corroding and high temperature, and can be used in wicked environment. The structure of product is rationalization, and it has the ability of resistance to endurance and vibration, use fixing parts to fix resistor.
Purpose: It can be used as shunt and load resistor in DC or AC circuit of electric facility and electron instrument widely.
■ Electrical and Mechanical specifications
|
Characteristics |
Limits |
Test methods |
|
|
resistance and resistance tolerance |
10Ω≤R±5%（J） , 10Ω>R±10%（K） |
JIS-C-5202 5-1 |
|
|
Power rating load |
the highest temperature on the surface: ≤325℃ |
JIS-C-5202 5-4 |
|
|
短时过负荷
Short-time overload |
no evidence of mechanical damage, ΔR≤±（5%R+0.05Ω） |
JIS-C-5202 5-5
1000% rated power 5 seconds |
|
|
Insulation resistance |
R≥100MΩ 1min |
JIS-C-5202 5-6 DC500V |
|
|
Dielectric withstanding voltage |
ΔR≤±（0.1%R+0.05Ω）
no evidence of mechanical damage or insulation breakdown |
JIS-C-5202 5-7 |
|
|
Temperature coefficient |
±260PPM/℃ |
JIS-C-5202 5-2 b |
|
|
Terminal strength |
not loosely and no evidence of mechanical damage |
JIS-C-5202 6-1(2) |
|
|
Resistor strength |
no evidence of mechanical damage |
JIS-C-5202 6-2 |
|
|
Vibration |
ΔR≤±（0.1%R+0.05Ω）
no evidence of mechanical damage |
JIS-C-5202 6-3 |
|
|
Solderability |
95% coverage min. |
JIS-C-5202 6-5 270℃ 5 seconds |
|
■ Environmental specifications
|
Characteristics |
Limits |
Test methods |
|
|
Heat resistance |
no deterioration of protective coatings or markings |
JIS-C-5202 7-2 350℃ 2hours |
|
|
Thermal shock |
no evidence of mechanical damage |
JIS-C-5202 7-3
额定负载30分钟后-55℃温度下15min
After 30minutes rating load , 55℃ 15mintues |
|
|
Humidity |
ΔR≤±（5%R+0.05Ω），≥100MΩ
no deterioration of protective coatings or markings |
JIS-C-5202 7-5
DC100 40℃ 95%RH 500hours |
|
|
Humidity Load life
|
ΔR≤±（5%R±0.05Ω）
no evidence of mechanical damage
no deterioration of protective coatings or markings |
JIS-C-5202 7-10 100%负荷 rated power load 90 min ON 30 min OFF 500hours |
|
■ Specification
Configuration (m/m)
|
Power
(W) |
Size mm |
Resistance Range
（Ω） |
|
L |
D |
d |
h |
b |
t |
d1 |
|
8 |
35±1.5 |
14±2.0 |
5.5±0.5 |
28.5±2.5 |
3.5±0.8 |
4.5 |
2 |
5.1—3300 |
|
10 |
41±1.5 |
5.1—7500 |
|
16 |
45±1.5 |
17±2.0 |
8±0.5 |
31±2.5 |
5.1—10000 |
|
20 |
51±2 |
5.1—13000 |
|
25 |
21±2.5 |
12±0.6 |
35±2.5 |
10—16000 |
|
30 |
71±2.2 |
10—24000 |
|
40 |
87±2.2 |
20—33000 |
|
50 |
91±2.4 |
29±3.0 |
20±1.1 |
43±3.0 |
4.5±1 |
6 |
2.5 |
20—33000 |
|
75 |
140±3.2 |
24—43000 |
|
100 |
170±3.5 |
24—56000 |
|
150 |
215±4.0 |
20-75000 |
|
200 |
270±5.0 |
19±1.1 |
20-100000 |
■ Power Derating Curve
|
environment temperature |
0~20℃ |
above 20℃ |
|
power derating |
100% |
see the fig. |
■ classified standard
● how to order
● type explanation
RX20 is the wire-wound glaze -coating fixed resistor
RX20(T)is the wire-wound glaze -coating adjustable resistor glaze
