RX20-T wire-wound glaze -coating adjustable resistor glaze
RX20-T wire-wound glaze -coating adjustable resistor glaze
   
RX20-T wire-wound glaze -coating adjustable resistor glaze
E-mail: skemgr@ske.com.cn
Parameter

Product name:  RX20-T wire-wound glaze -coating adjustable resistor glaze

Type:  RX20-T

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                  

≤325℃
the highest temperature on the surface

JIS-C-5202  5-4

Short-time overload

ΔR≤±(5%R+0.05Ω)
no evidence of mechanical damage

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

 

■环境特性 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
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% 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

h

i

k

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

 

10

41±1.5

   0
31
-5.0

+1.0
20
-2.0

+2.0
6
0

5.1—220

16

45±1.5

17±2.0

8±0.5

0
34
-5.0

31±2.5

+1.0
23
-2.0

5.1—300

20

51±2

+1.0
30
-2.0

5.1—390

25

21±2.5

12±0.6

0
39
-5.0

35±2.5

10—510

30

71±2.2

+1.0
44
-3.0

10—910

40

87±2.2

+1.0
57
-3.0

20—1100

50

91±2.4

29±3.0

20±1.1

   0
47
-5.0

43±3.0

+1.0
60
-3.0

+2.0
7
0

4.5±1

6

2.5

20—1500

75

140±3.2

+1.0
110
-3.0

24—2400

100

170±3.5

+1.0
140
-3.0

24—3300

150

215±4.0

+1.0
185
-3.0

20-4700

200

270±5.0

19±1.1

+1.0
240
-3.0

20-6500

■  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

 




         
 
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