Coating Wire Wound Resistor

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Coating wire wound resistor is composed of circular ceramic resistor,with heat resisting material coated wound wire. Thus it is widely used inautomotive electronics, household appliances, communication equipment, energy-savinglamps, automatic control device (like converter) and other industries.

Performance Of Coating Wire Wound Resister

Item	Test Method		Requirement
Resistance Series, Tolerance			E24; ±5% ±10%
Solder Ability	265±5℃, 2s+0.5s, Immersion height:1.5~2.0mm	265±5℃; 2s+0.5s; 1.5-2.0mm	△R≤± (1%R+0.05Ω) No visible damage; Surface without solder>95%
Terminal Strength	10N: 30±1.5s	10N 30±1.5s	△R≤±(1%R+0.05Ω) No visible damage
Short Time Overload	10x Rated power: 5s	10x Rated power 5s	△R≤±(1%R+0.05Ω)
Resistance to Soldering Heat	350℃±10℃; Immersion height:3~3.5mm	350℃±10℃ 3-3.5mm	△R≤± (1%R+0.05Ω) No visible damage
Vibration	Min. (10-500Hz and 0.75mm, or 98m/s2 ) Direction: x、y and z, totally 6h	Min. (10-500Hz and 0.75mm, or 98m/s2 ) Direction: x、y and z, totally 6h	△R≤±(1%R+0.05Ω) No visible damage
Load Life Under Room Temperature	1.5h-on and 0.5h-off : 1000h	1.5h-on and 0.5h-off : 1000h	△R≤±(5%R+0.1Ω)
Moisture Resistance	40℃； RH=90~95%: 96h	40℃; RH: 90-95% ; 96h	△R≤±(5%R+0.1Ω)

Derating Curve

Optional Models
RX27-4HS / RX27-4HV

Type	Rated Power (W)	Resistance Range( Ω)	Dimensions (mm)
Type	Rated Power (W)	Resistance Range( Ω)	L	D	D
RX21-0.5	0.5	0.10-560	10±1	3.5±0.5	0.6
RX21-(1)	(1)	0.1-1k	14 ±1	33 ±0.5	0.8
RX21-2	2	0.15-5.1k	16±1	6±1	0.8
RX21-4	4	0.15-10k	26 ±2	9±1	0.8
RX21-8	8	0.15-33k	3412	10 ±1	1
RX2-（12）	(12)	1-33k	46 ±2	10 ±1	1
RX2t-（15）	(15)	1»39k	52 ±2	10±1	1

Nominal Resistance Allowable Deviation: ±2%(G);±5%(J); ±10%(K)
The power in brackets belongs to a non-standard power series.

RX25 Coating Wire Wound Resistor

Type	Rated Power (W)	Resistance Range (Ω)	Dimensions (mm)
Type	Rated Power (W)	Resistance Range (Ω)	L	D	I	T
RX25-3	3	0.1-2k	19±1	6±1	12±1	0.5
RX25-5	5(6)	0.1-5k	24±1	9±1	6±1	0.5

Resistance Tolerance: ±5%; ±10%

RX26 Coating Wire Wound Resistor

Type	Rated Power (W)	Resistance Range (Ω)	Dimensions (mm)
Type	Rated Power (W)	Resistance Range (Ω)	L	D	H	B	D	D1	T
RX26-30 RX26-80	30	0.1-1k	80±1.5	17±2	36±2.5	35 ±0.8	8±0.5	2	5.4
RX26-30 RX26-80	80	0.1-1.5k	91 ±2.4	29±3	46±3	4.5±1	20±1.1	2.5	8
RX26-100	100	0.5-2k	140 ±3.2	29±3	46±3	4.5±1	20±1.1	2.5	8
RX26-120	120	0.5-2.2k	160 ±3.5	29±3	46±3	4.5 ±1	20±1.1	2.5	8
RX26-150	150	0.5-4.3k	195 ±3.5	29±3	46±3	4.5±1	18±1.1	2.5	8
RX26-200	200	1-4.7k	215 ±6	29±3	46±3	4.5±1	18±1.1	2.5	8
RX26-2S0	250	1-6.1k	303 ±6	29±3	46±3	4.5±1	18±1.1	2.5	8
RX26-300	300	1.5-6.3k	254±6	45±4	63±4	6±1	24 ±1.2	4.5	8
RX26-400	400	1.5-6.8k	330 ±6	45±4	63±4	6±1	24 ±1.2	4.5	8
RX26-500	500	1.5-8.2k	303 ±6	55±4	73±4	6±1	35±3	4.5	10
RX26-600	600	1.5-9k	300 ±6	60±4	73±4	6±1	35±3	4.5	10
RX26-750	750	2-10k	390 ±6	60±4	73±4	7±1	35±3	4.5	12
RX26-1000	1000	5-12k	500 ±6	70±4	80±4	7±1	40±5	5	12

Note: coating wire wound resistor with corrugated ribbon can bemanufactured with a smaller size.

RXT Flat Type Coating Wire Wound Resistor

Nominal resistance allowable deviation: ±5% (J) ±10% ( K)

Nominal resistance series: the priorities are the E12 and E24 series of IEC63.
Various types of pin modes, resistance wire corrugated structure and multi-pin resistor are available based on clients’requirements.

Type

Rated Power (W)

Resistance Range (Ω)

Dimensions (mm)

RXT-20

0.1-1k

60±2

49±2

12±1

40±1

22±1

16±1

22±1

1.2

RXT-100

100

0.1-1.5k

100±2

86±2

14 ±1

40±1

24±1

16±1

22±1

3.5

1.2

RXT-300

300

0.5-3.6k

300 ±2

280 ±2

16±1

56±1

36±1

18±1

28±1

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