Wirewound Resistors

· Advanced Isabellenhütte alloy technology made precision wire wound resistors
· Very low TCR: lower than ±10ppm/℃.
· Tolerance up to ±0.1%
· Excellent overall stability: Class 1
· Very low noise and voltage coefficient
· Non-inductance winding available under request
· Perfect pulse loading capability: over 25 times rated power loading
· Extremely high dielectric strength: stand over 3000VDC insulation voltage
Thunder Precision Resistor Co., Ltd. is capable to make replacement parts

Thunder Precision Resistor Co., Ltd. has been making RXE series high precision wire wound resistors with both very low Ohm value and very high Ohm value as well as very low temperature coefficient.

Thunder Precision Resistor Co., Ltd. can make wire wound resistance up to 38k with a small size 5W core.

RXE series high precision wire wound resistors are of molding type with black encapsulation that is one kind of thermosetting plastics made by phenolic resin as adhesive with mineral filler and other additives. RXE series high precision wire wound resistors are highly isolated and could withstand over 1000V.

The temperature of RXE series high precision wire wound resistors could be lower than ±10ppm/℃ and the tolerance could be high than ±0.05%.

Thunder Precision Resistor Co., Ltd. makes RXE series high precision wire wound resistors to meet the requirements for current sensor and sample circuits in high precision instruments.

Thunder Precision Resistor Co., Ltd. makes RS series precision power wire wound resistors that are surface mounted (SMT) wire wound resistors with high power loading capability and suitable for automatic welding construction.
The temperature coefficient of the RS series SMT wire wound resistors are very low that could be lower than ±25ppm/ºC upon request for certain resistance range.
RS series power wire wound resistors are sealed with Flameproof UL94V0 materials mould encapsulation for resistant to heat, humidity and insulation.

Feature of precision wire wound resistors
1. small size
2. high resistance value up to 40k Ohm with 20mm ceramic core.
3. tighten tolerance available upon request up to ±0.1% and ±0.05%
4. temperature coefficient is up to ±10ppm/℃ upon request.

1.PRODUCT

Fusible wire wound resistors

FEATURES

· Advanced alloy wire technology
· Fusible less than 60 seconds when against 25 times power abnormal applied or according to customer’s request
· Reliable in pulse / transient / abnormal surge applications
· Non-inductance winding available upon request
· Flame retardant coating

APPLICATIONS

· Safety priority request environment
· Power supply with high reliability
· Power adapters with high reliability
· Components burn-in devices
· Pulse load and in rush current protector
· Medical equipment

HIGH STABILITY PRECISION WIREWOUND RESISTORS

TRAPEZIUM ALUMINA HOUSED WIRE WOUND RESISTORS

FEATURES

Advanced alloy technology

· Very low TCR: lower than ±10ppm/℃.

· Tolerance up to ±0.5%

· Excellent overall stability: Class 0.5

· Suitable for the atrocious environment:

such as high attitude area and extreme cold area.

· Very low noise and voltage coefficient

· Non-inductance winding available under request

· Perfect pulse loading capability

· Compliant to RoHS directive 2011/65/EU

· Compliant to REACH (EC No. 1907/2006)) (last updated: 27/06/2018)

RXG1 series special power wire wound resistors are of high power wire wound resistors with high power density and power dissipation is up to 15W. Rated power over 15W is available upon request.
RXG1 series special high power wire wound resistors are encapsulated by vitreous enamel coating with bright green looking that are specially used in high power system control utilities.
The temperature coefficient of the RXG1 series high power wire wound resistors could be low to ±50ppm/ºC for some special utilities.
RXG1 series high power wire wound resistors are quite high stabilized resistors with high pulse loading performance and high reliability

Thunder Precision Resistor Co., Ltd. makes high power cement resistors SQM series wire wound resistors with excellent performance as following FEATURES

· Advanced alloy technology
· Low TCR: lower than ±20ppm/℃.
· Tolerance up to ±1.0%
· Excellent overall stability: Class 1.0
· Very low noise and voltage coefficient
· Non-inductance winding available under request
· Perfect pulse loading capability

Thunder Precision Resistor Co., Ltd. makes SQP series wire wound resistors that are of cement sealed in ceramic cases. This is high power wire wound resistors with rated power over 30W and of quite high cost performance ratio.
The feature of the cement wire wound resistors are as following.
· Advanced American alloy technology
· Low TCR: lower than ±50ppm/℃.
· Tolerance up to ±1.0%
· Excellent overall stability: Class 1.0
· Very low noise and voltage coefficient
· Non-inductance winding available under request
· Perfect pulse loading capability