磐城無線研究所 List of Products and Services

The "Power Type Slim Resistor RF and RH Models" features an all-aluminum exterior for excellent heat dissipation and can withstand high-capacity loads, making it a slim resistor. Despite its slim design, it can handle a large power of 400W, making it ideal for embedded applications such as robots! Currently, in addition to the catalog for this "Slim Resistor," we are also offering a comprehensive catalog featuring our range of resistors! You can view it immediately by clicking "Download." 【Features of the Power Type Slim Resistor】 ■ Easy to mount ■ Ultra-slim, minimum class ■ Does not take up space even when attached to the back of a heat sink ■ Built-in thermostat is also possible

• Resistors

A free "Resistor Comprehensive Catalog" is being offered by the specialized manufacturer of resistors, Iwaki Musen Kenkyujo! It features over 30 high-performance resistors developed from more than 60 years of history. This comprehensive book allows you to choose based on product characteristics and applications. [Featured Products] ■ Thick Film ■ Molded Type ■ High Power Type ■ Coating Products ■ Cement Type ■ Power Type *If you would like the comprehensive catalog, please contact us.

• Resistors

It is an advanced circuit functional component that integrates various circuit elements (semiconductor ICs, transistors, diodes, SCRs, capacitors, resistors, etc.) into a compact form. 【Features】 ◆ Compact and Highly Integrated By using thick-film printing technology such as high-precision patterns and multilayer wiring, along with laser trimming methods, the substrate is completed with various circuit elements, resulting in a compact and highly integrated design. ◆ High Precision and High Stability In hybrid circuits, the characteristics of circuit elements are considered and configured as needed, using proven materials. Laser trimming and computer-based function trimming and precision trimming are performed, allowing for the uniformity of circuit characteristics and adjustment of necessary performance, resulting in high precision and high stability. ◆ Labor-saving and Cost Reduction Hybrid circuits integrate numerous elements such as semiconductor ICs, transistors, diodes, SCRs, capacitors, and resistors to consolidate necessary functions into a single package. This not only streamlines the assembly process but also significantly contributes to overall cost reduction, including service-related expenses.

• Other semiconductors

Thin cement resistor capable of taking a relatively large weight of resistance wire 【Features】 ○ Since it can take a relatively large weight of resistance wire, it is optimal for medium regenerative resistors, brake resistors, inrush current prevention resistors, etc., in circuits with pulse currents. ○ Uses a porcelain case ○ Resistance value tolerance: ±5%, ±10% ○ Resistance temperature characteristic: ±400PPM/℃ (for less than 20Ω), ±260PPM/℃ (for 20Ω and above) ○ Withstand voltage: AC2000V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ Insulation resistance: DC500V, over 20MΩ ○ Short-term overload: applies 10 times the rated power for 5 seconds ΔR: ±(2% + 0.05Ω) ○ RoHS compliant product ● For other functions and details, please download the catalog.

• Resistors

Resistors suitable for high voltage use, also excellent in oil resistance 【Features】 ○ Usable for high voltage applications ○ The topcoat is flame-retardant and also excellent in oil resistance ○ Inductance-free winding can also be manufactured ○ Easy to install due to end tap processing ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

Small and lightweight high-resistance terminal-type resistors can be manufactured. 【Features】 ○ Completely moisture-proof, with minimal aging changes and excellent stability. ○ Utilizes a group of resistors known as ceramic resistors, offering superior heat resistance, moisture resistance, and high insulation. ○ Inductance-free winding "N" can also be produced. ○ Compact and lightweight. ○ Capable of manufacturing high-resistance products. ○ RoHS compliant. ● For other functions and details, please download the catalog.

• Resistors

Flame-retardant coated with excellent heat resistance Flame-retardant ribbon resistors for high current applications 【Features】 ○ Uses ribbon-shaped resistance wire, making it optimal for resistors that require high current and high power ○ The ribbon-shaped resistance wire is shaped in a waveform to increase the contact area with the atmosphere, allowing the resistance wire itself to act as a cooling wing, resulting in very good heat dissipation ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

A rectangular resistor with excellent heat and humidity resistance, enclosed in a ceramic rectangular case. 【Features】 ○ High precision and high stability resistor ○ Rectangular shape, making it ideal for printed circuit board mounting due to its excellent insulation ○ Capable of producing particularly low resistance values with high precision ○ Inductance-free winding is also possible ○ RoHS compliant product ● For other functions and details, please download the catalog.

• Resistors

Cement resistors that can be easily mounted on printed circuit boards 【Features】 ○ The case is made of ceramic, ensuring extremely high safety ○ Resistance value tolerance: ±5% (for 1Ω and above), ±10% ○ Resistance temperature characteristics: ±400ppm/℃ (for less than 20Ω), ±260ppm/℃ (for 20Ω and above) ○ Voltage resistance: AC1000V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ Insulation resistance: DC500V, over 20MΩ ○ Short-term overload: 10 times the rated power applied for 5 seconds ΔR: ±(2% + 0.05Ω) ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

It has excellent cutoff characteristics and is a cement resistor with outstanding safety. 【Features】 ○ The resistance circuit and temperature fuse circuit are independent of each other. ○ CSA certified product (File No LR67576) ○ Resistance value tolerance: ±3%, ±5%, ±10% ○ Resistance temperature characteristics: ±400PPM/℃ (below 20Ω), ±260PPM/℃ (20Ω and above) ○ Dielectric strength: AC1000V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ Insulation resistance: DC500V 20MΩ or more ○ RoHS compliant product ● For other functions and details, please download the catalog.

• Resistors

Mass-produced axial terminal rectangular resistors designed and developed for production use 【Features】 ○ Completely sealed ○ Encased in a high insulation rectangular case with special cement ○ Excellent flame resistance ○ High mounting stability ○ Ideal for rectangular and printed wiring ○ Compatible with mass production ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

Temperature fuse cement resistor integrated with a resistor and temperature fuse 【Features】 ○ Eliminates the hassle of combining a resistor and temperature fuse ○ Has excellent cutoff characteristics, making it ideal for improving equipment safety ○ Designed with rush resistance in mind ○ RoHS compliant ○ Leaded version has a temperature of 135 ℃ RoHS compliant version has a temperature fuse of 142 ℃ or higher ● For other functions and details, please download the catalog.

• Resistors

Flame-retardant coated, this resistor excels in heat resistance and moisture resistance, with minimal aging changes. 【Features】 ○ Resistance value tolerance: ±5%, ±10% ○ Temperature coefficient of resistance: ±400 PPM/°C (for resistances below 20Ω), ±260 PPM/°C (for resistances above 20Ω) ○ Short-term overload: For resistors below 2W, apply 5 times the rated power for 5 seconds. For resistors above 3W, apply 10 times the rated power for 5 seconds. ΔR: ±(2% + 0.05Ω) ○ Lifespan: Rated for 1000 hours with 90 minutes ON and 30 minutes OFF. ΔR: ±(5% + 0.05Ω) ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

Small size and requires little installation space 4-terminal current sensing cement resistor 【Features】 ○ Low temperature coefficient (30ppm) ○ 4-terminal sensing resistor ○ RoHS compliant ○ Resistance value tolerance: ±1%, ±2%, ±3%, ±5% ○ Resistance temperature characteristic: ±30PPM/°C ○ Withstanding voltage: AC2000V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ Insulation resistance: DC500V 20MΩ or more ● For other functions and details, please download the catalog.

• Resistors

Based on the technology of mounting thick-film hybrid ICs, we supply printed circuit board units (single-sided and double-sided inserts) that integrate various individual components (resistors, capacitors, etc.) and circuit elements (semiconductors, ICs) into a compact form, fully adjusted through function trimming, in a short period of time. 【Features】 ○ We strictly adhere to circuit confidentiality. ○ We collaborate with customers on the design and review of printed circuit board units. Please feel free to consult with us. ○ We comply with RoHS requirements upon request. ● For other functions and details, please download the catalog.

• Other electronic parts

Compact and lightweight! Ideal for printed circuit boards, molded resistors. 【Features】 ○ Resistance value tolerance: ±5%, ±10% ○ Temperature coefficient of resistance: ±100PPM/℃ ○ Voltage withstand: AC200V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ Insulation resistance: DC100V 1000MΩ or more ○ Short time overload: Apply 5 times the rated power for 5 seconds ΔR: ±(2% + 0.05Ω) ○ Lifespan: 1000 hours with 90 minutes ON and 30 minutes OFF ΔR: ±(3% + 0.05Ω) ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

This is a vertical cement resistor with a long rectangular shape, designed for high surface mount density on printed circuit boards. 【Specifications】 Resistance value tolerance: ±5%, ±10% Resistance temperature characteristic: ±400ppm/°C (for resistances below 20Ω), ±260ppm/°C (for resistances of 20Ω and above) Dielectric strength: AC1000V for 1 minute, ΔR: ±(0.1% + 0.05Ω) Insulation resistance: DC500V, over 20MΩ Short-time overload: Apply 10 times the rated power for 5 seconds, ΔR: ±(2% + 0.05Ω) Lifetime: Rated for 1000 hours with 90 minutes ON and 30 minutes OFF, ΔR: ±(5% + 0.05Ω) Solderability: Must be covered with new solder for over 75% after immersion at 270°C for 5 seconds Flammability: Must not ignite when subjected to 10 times the rated power for 1 minute Operating temperature range: -25°C to 150°C Solvent resistance: No abnormalities after immersion in IPA for 3 minutes ■□■□■□■□■□■□■□■□■□■□■□■□ ＝＝＝＝＝ For more details, please contact us＝＝＝＝＝

• Resistors

This is an introduction to the horn terminal type resistors, SH special type, handled by the Iwaki Wireless Research Institute. We have a wide range of products available according to your needs. ◆◆ Product Lineup ◆◆ 　　○ 50SH (Rated Power: 50W) 　　○ 30SH×2 (Rated Power: 50W) 　　○ 20SH×3 (Rated Power: 60W) 　　○ 20SH×4 (Rated Power: 80W) ● For other functions and details, please download the catalog.

• Resistors

Power type thin cement resistor with built-in thermostat capability 【Features】 ○ Can accommodate a relatively large weight of resistance wire, making it ideal for medium regenerative resistors, brake resistors, and inrush current limiting resistors in circuits with pulse currents. ○ Built-in thermostat capability available. ○ RoHS compliant. ● For other functions and details, please download the catalog.

• Resistors

Small-sized surface mount wire-wound resistors 【Features】 ○ Molded with heat-resistant resin, providing excellent insulation ○ Available in taping specifications for compatibility with existing automatic mounting machines ○ Rated power: 2W ○ Resistance range: 0.01Ω to 360Ω ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

This is a high coat ohm CSP that satisfies the performance characteristics of MIL-R-26E and MIL-R26E/5A. 【Features】 ◆ It is designed to be particularly compact. ◆ To meet the above performance, materials with excellent thermal conductivity, such as winding cores and caps, have been selected, resulting in increased strength. ◆ The topcoat is flame-retardant and has excellent solvent resistance. ◆ Inductance-free windings can also be produced. ◆ Taping is available. ■□■□■□■□■□■□■□■□■□■□■□■□ ＝＝＝＝＝ For more details, please contact us＝＝＝＝＝

• Resistors
• Other electronic parts

Sealed in an aluminum finned metal case, this metal-clad resistor excels in moisture resistance, insulation, and voltage resistance. 【Features】 ○ Can be directly mounted to the chassis for improved heat dissipation ○ Made from heat-resistant resin, offering excellent vibration and shock resistance ○ Lightweight and compact for power applications ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

Flame-retardant and capable of being manufactured to extremely low resistance values, horn terminal type resistors. 【Features】 ○ Faston terminals also available ○ Mounting brackets also available ○ RoHS compliant ○ Resistance value tolerance: ±1% (10Ω and above), ±2% (1Ω and above), ±5%, ±10% ○ Resistance temperature characteristics: ±400 PPM/°C (below 20Ω), ±260 PPM/°C (20Ω and above) ○ Voltage withstand: AC2000V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ Insulation resistance: DC500V 20MΩ or more ○ Short time overload: Apply power 10 times the rated value for 5 seconds ΔR: ±(2% + 0.05Ω) ● For other functions and details, please download the catalog.

• Resistors

Flame-retardant coated resistors that can be directly replaced with enamel-coated resistors (JIS-C-6401) of the same dimensions and power. 【Features】 ○ Conventional enamel-coated resistors undergo high-temperature processes during manufacturing, which can lead to pitch irregularities and changes in wire characteristics. However, flame-retardant coated resistors do not have such issues and can also produce higher resistance values. ○ Resistance value tolerance: ±2%, ±3%, ±5% (for 1Ω and above), ±10% ○ Resistance temperature characteristics: ±400 PPM/°C (for less than 20Ω), ±260 PPM/°C (for 20Ω and above) ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

Compact, high-power, and easy to implement flat-type resistors 【Features】 ○ Being thin, it does not take up much space even when mounted on the back of a heat sink ○ With an all-aluminum exterior, it has good heat dissipation characteristics during ventilation and is suitable for high-capacity loads ○ Built-in type for thermoset mounting ○ Resistance value tolerance: ±5%, ±10% ○ Resistance temperature characteristics: ±400 PPM/°C (for less than 20Ω), ±260 PPM/°C (for 20Ω and above) ○ Voltage withstand: AC2000V for 1 minute ΔR: ±(0.1% + 0.05Ω) ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors

A compact power-type thin film resistor that provides high power and is easy to mount. 【Features】 ○ Thin design allows for installation on the back of a heat sink without taking up space. ○ Full aluminum exterior provides excellent heat dissipation characteristics during ventilation, making it ideal for high-capacity loads. ○ Built-in thermistor is possible. ○ RoHS compliant. ○ Compact design. ○ Easy to mount. ○ RoHS compliant. ● For other functions and details, please download the catalog.

• Resistors

A compact power-type cement resistor that provides high power and is easy to implement. 【Features】 ○ Inductance-free winding can also be manufactured ○ External type when installing a thermostat ○ Compact ○ High power ○ Easy to implement ○ RoHS compliant ● For other functions and details, please download the catalog.

• Resistors