Product Overview
Futaba Electric Co., Ltd. (Taiwan) offers a comprehensive range of resistors, including Metal Oxide Film Resistors, Fixed Metal Film Resistors, Metal Film Precision Resistors, Metal Glaze Resistors, Surge Resistors, High Resistance Resistors, Fusible Resistors, Wire Wound Resistors, Ceramic Cased Resistors, Aluminum Cased Resistors, High Power Resistors, and Zero Ohm Resistors. These products are designed for various industrial applications, emphasizing reliability, safety, and compliance with international standards like RoHS.
Product Attributes
- Brand: Futaba
- Origin: Taiwan
- Certifications: ISO 9000:1994, ISO 9001:2000, ISO 9001:2004, ISO 14001:2004, TS 16949:2009, SONY Green Partner, UL, c-UL, EN 60065, SEMKO & CB
- Compliance: EU-RoHS, Lead-Free, Halogen-Free
Technical Specifications
| Product Type | Model Series | Description | Key Features | Reference Standards | Available Options |
|---|---|---|---|---|---|
| Metal Oxide Film Resistors | RSU, RSS, RSP | Standard, Small, Super Small Types | Flameproof (UL94 V-0), high reliability, low surface temperature rise | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Fixed Metal Film Resistors | RNU, RNS | Standard, Small Types | High precision, low T.C.R., excellent long-term stability | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Metal Film Precision Resistors | RPU, RPS | Standard, Small Types | High precision, low T.C.R., resistance tolerance 0.01% | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Metal Glaze Resistors | RMU, RMS, RMH | Standard, Small, Large-scale Types | Flameproof (UL94 V-0), safety features | JIS C 5201-1, UL 1676 & c-UL, EN 60065 | Various power ratings, resistances, tolerances, and packaging |
| Surge Resistors | RVU, RVS | Standard, Small Types | High resistance values (680K~3G), withstands 10KV pulse, small temp. coeff. | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| High Resistance Resistors | RRU, RRS | Standard, Small Types | Resistance range 101M~3G, low T.C.R. (down to 50ppm) | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Fusible Resistors | RFU, RFS | Standard, Small Types | Function as resistor normally, quick fusing under overload, flameproof | JIS C 5201-1 | Various power ratings, resistances, fusing characteristics, and packaging |
| Rated Current Fusible Resistors | RFA | Standard Type | Combines time delay performance with reliability, flameproof | JIS C 5201-1 | Various rated currents, voltages, and packaging |
| Heat Energy Surge Wire Wound Fusible Resistors | WFU, WFS | Standard, Small Types | High surge energy capability, reliable fusing behavior, stable performance | JIS C 5201-1 | Various power ratings, resistances, and packaging |
| Non-Smoke Thermal Fuse Resistors | RFT | Standard Type | Safety design (non-flammability, insulation), customizable options | JIS C 5201-1, UL 1412 | Various power ratings, temperatures, resistances, and packaging |
| Anti-Burst Fusible Resistors | RFB, RFF | Wire Type, Film Type | Safe fusing characteristics without explosion, reliable performance | JIS C 5201-1, UL 1412 | Various power ratings, resistances, and packaging |
| Wire Wound Resistors | RWU, RWS, RWP | Standard, Small, Super Small Types | Flameproof (UL94 V-0), high density application, stable long service life | JIS C 5201-1, RWP1W Series UL1412 | Various power ratings, resistances, tolerances, and packaging |
| Non-Inductive Resistors | NWU, NMU, NWS, NMS, NWP, NMP, NVU, NVS, NVP | Wire Wound & Film Types (Standard, Small, Super Small) | Flameproof (UL94 V-0), low inductance (<3H at 1KHz), high density application | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Metal Plate Cement Resistors | MPC, MPH | MPC Type, MPH Type | Non-flammable, low resistance, surge resilient, non-inductive | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Metal Plate Cement Resistors | MPM | MPM Type | Non-flammable, low resistance, surge resilient, suitable for current sensor | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Metal Plate Cement Resistors | MPT, MPQ | MPT Type, MPQ Type | Non-flammable, low resistance, surge resilient, non-inductive | JIS C 5201-1 | Various power ratings, resistances, tolerances, and packaging |
| Cement Resistors | RGW, RGF | Wire Type, Film Type | Non-flammable, low inductance available, stable long life, customizable | JIS C 5201-1 | Various power ratings, resistances, and packaging |
| High Insulation Cement Resistors | RGK | RGK Type | Non-flammable, low inductance available, stable long life, customizable | JIS C 5201-1 | Various power ratings, resistances, and packaging |
| Current Sensor Resistors | RGC | RGC Type | Non-flammable, low inductance available, stable long life, customizable | JIS C 5201-1 | Various power ratings, resistances, and packaging |
| High Pulse Wire Wound Resistors | HVW | Standard Type | Anti-burst wire wound, withstands 25KV pulse, high reliability | JIS C 5201-1 | Various power ratings, resistances, and packaging |
| Aluminum Cased Power Resistors | GRR | GR Type | High stability, high pulse capability (20KV), customizable | N/A | Various power ratings, resistances, and packaging |
| Flat Type Metal Clad Wire Wound Resistors | GHR | GH Type | High power rating, ultra precision, customizable | N/A | Various power ratings, resistances, and packaging |
| Square Shape Aluminum Shell Resistors | RAR | RA Type | High power rating, ultra precision, customizable, low inductance available | N/A | Various power ratings, resistances, and packaging |
| Trapezoid Aluminum Shell Resistors | RAMH | RAMH Type | High power rating, ultra precision, customizable (dimensions, power, inductance) | N/A | Various power ratings, resistances, and packaging |
| Power Wire Wound Resistors | RQR | Fixed & Non-inductive, Adjustable Types | Low inductance, anti-burst, high pulse capability, high reliability | N/A | Various power ratings, resistances, and packaging |
| Coat-Insulated Zero Ohm Resistors | RZU, RZS, RZY, RZT | Fire Prevention Coat, Insulation Resin, Iron Core Types | Automatic insertion applicable, excellent long-term stability | JIS C 5201-1 | Various power ratings, resistances, and packaging |
| Low Resistance Resistors | STR, LRR | ST Type, LR Type | Small size, light weight, excellent soldering performance, customizable | JIS C 5201-1 | Various resistances, tolerances, and packaging |
| Power Chip Resistors | MR R | Standard Type | High stability, low inductance (<50nH), available in 20W-50W | MIL-STD-202 Method 204 | Various power ratings, resistances, tolerances, and packaging |
Appendix: Forming and Resistance Tolerance
| Section | Details |
|---|---|
| Forming Styles | L, C, FA5, FB5, FC5, FD5, M, D, Y, YT, FT types available with various dimensions and power ratings. Taping options include A52, A64, A73. |
| RG Series Type Forming | P, Z, M, S, T, H types available with various dimensions and power ratings. |
| Resistance Tolerance | Symbols V, L, U, A, B, C, D, F, G, J, K, M indicate tolerances from 0.005% to 20%. |
| Basic Value (E24 & E96) | Standard resistance values for E12, E24, and E96 series are listed. |
| Color Code | Standard color codes for discrete resistors are provided. |
Appendix: Resistor Loading Calculation and Surge Test Method
| Section | Details |
|---|---|
| Energy Calculation | Formulas for calculating energy for single pulses (capacitor energy, triangle wave, sine wave, rectangle wave) are provided. |
| Power Rate Calculation | Formula for calculating power rate (W = E/T) is provided. |
| Temperature Effect | Ambient temperature affects loading ability; temperature factor (t) is mentioned. |
| Loading Ratio | Formulas for continuous and impulse loading ratios are provided, considering modified power rate (Wm). |
| Surge Test Circuit | A basic surge test circuit diagram is shown. Test method follows JISC5201 standard, requiring no damage and resistance variation <5% after 10000 cycles. |
2410121236_Futaba-Elec-RFS01J1000A520NH_C274980.pdf
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