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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
Heat resistance
no deterioration of protective coatings or markings
JIS-C-5202 7-2 350℃ 2hours
Thermal shock
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
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
