Product Overview
This document details a range of resistors manufactured by Futaba Electric Co., Ltd., including Metal Oxide Film Resistors, Fixed Metal Film Resistors, Metal Film Precision Resistors, Metal Glaze Resistors, Surge Resistors, High Resistance Resistors, Fusible Resistors, Rated Current Fusible Resistors, Heat Energy Surge Wire Wound Fusible Resistors, Non-Smoke Thermal Fuse Resistors, Anti-Burst Fusible Resistors, Wire Wound Resistors, Non-Inductive Resistors, Metal Plate Cement Resistors, Aluminum Cased Power Resistors, Flat Type Metal Clad Wire Wound Resistors, Square Shape Aluminum Shell Resistors, Trapezoid Aluminum Shell Resistors, Power Wire Wound Resistors, Coat-Insulated Zero Ohm Resistors, Low Resistance Resistors, Power Chip Resistors, and Current Sensor Resistors. The company has a history dating back to 1973, with a commitment to quality and compliance, evidenced by ISO certifications and RoHS compliance.
Product Attributes
- Brand: Futaba
- Origin: Taiwan (as indicated by company history)
- 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, China RoHS
Technical Specifications
| Product Type | Model Series | Key Features | Construction | Reference Standards | Available Power Ratings | Resistance Range | Tolerance | Temperature Coefficient | Max. Working Voltage | Max. Overload Voltage | Dielectric Withstanding Voltage | Dimensions (mm) | Weight (g/1000pcs) | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Metal Oxide Film Resistor | RSU, RSS, RSP | Flameproof, insulating, small size for high density, high reliability, good thermal stability, low surface temperature rise. | Ceramic base, conductive film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/4W, S1/2W, P1, 1/2W, S1, P2, 1W, S2, P3, 2W, S3, P5, 3W, S5 | 0.1 ~ 910K | 1%, 2%, 5% | 100ppm/C, 200ppm/C, 350ppm/C | 250V, 350V, 500V | 500V, 700V, 1000V | 250V, 350V, 500V | L: 6.00.5 to 251, D: 2.40.3 to 8.50.5 | 210 to 3768 | Taping/Ammo, Forming/Bulk pack |
| Fixed Metal Film Resistor | RNU, RNS | High precision, low T.C.R., excellent long-term stability, suitable for automatic insertion. | Ceramic base, conductive film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/8W, 1/6W, S1/4, 1/4W, S1/2, 1/2W, S1, 1W, S2, 2W, S3, 3W | 10 ~ 5.1M | 1%, 2%, 5% | 100ppm/C | 200V, 250V, 350V | 400V, 500V, 700V | 300V, 500V, 2000V | L: 3.50.5 to 161, D: 1.70.3 to 5.50.5 | 110 to 1380 | Taping/Ammo, Forming/Bulk pack |
| Metal Film Precision Resistor | RPU, RPS | High precision, low T.C.R., resistance tolerance 0.01%, excellent long-term stability. | Ceramic base, conductive film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/8W, 1/6W, S1/4, 1/4W, S1/2, 1/2W, S1, 1W, S2, 2W, S3 | 10 ~ 100K | 0.01%, 0.02%, 0.05%, 0.1%, 0.5%, 1%, 2%, 5% | 100ppm/C | 200V, 250V, 350V | 250V, 500V, 700V | 300V, 500V, 2000V | L: 3.50.5 to 161, D: 1.70.3 to 5.50.5 | 110 to 1380 | Taping/Ammo, Forming/Bulk pack |
| Metal Glaze Resistor | RMU, RMS, RMH | Flameproof, insulating, safety features (UL94 V-0). | Ceramic base, metal glaze film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/6W, S1/4, 1/4W, S1/2, 1/2W, S1, 1W, S2, 2W, S3, H1W | 10 ~ 100M | 1%, 2%, 5% | 100ppm/C, 200ppm/C, 200ppm/C | 300V, 700V, 3500V, 10000V | 500V, 700V, 10000V | N/A | L: 3.30.3 to 161, D: 1.80.2 to 5.50.5 | 120 to 1450 | Taping/Ammo, Forming/Bulk pack |
| Surge Resistor | RVU, RVS | Resistance value range 680K~3G, stable, long service life, acceptable pulse of 10KV discharge, small temp. coeff. | Ceramic base, metal glaze film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/2W, S1, 1W, S2, 2W, S3 | 680K ~ 3G | 5% | 200ppm/C | 3500V, 7000V, 10000V | 700V, 1000V | N/A | L: 90.5 to 161, D: 3.30.5 to 5.50.5 | 285 to 1380 | Taping/Ammo, Forming/Bulk pack |
| High Resistance Resistor | RRU, RRS | Resistance value range 101M~3G, low T.C.R. to 50ppm, long load life and long term stability. | Ceramic base, metal glaze film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/6W, S1/4, 1/4W, S1/2, 1/2W, S1, 1W, S2, 2W, S3, 5W, S7W | 100M ~ 3G | 1%, 2%, 5% | 200ppm/C (50ppm/C available) | 500V, 1600V, 3500V, 7000V, 15000V | 700V, 1000V | N/A | L: 3.30.3 to 241, D: 1.80.2 to 80.5 | 120 to 3800 | Taping/Ammo, Forming/Bulk pack |
| Fusible Resistor | RFU, RFS | Flameproof, insulating, functions as a resistor in normal operation, quick fusing protects circuits from overload. | Ceramic base, fusible film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 1/6W, S1/4, 1/4W, 1/3W, S1/2, 1/2W, S1, P2, 1W, S2, 2W, S3 | 0.1 ~ 1K | 5% | 350ppm/C | 100V, 250V, 300V, 350V | 150V, 300V, 500V | 200V, 250V, 300V | L: 3.30.3 to 161, D: 1.70.3 to 5.50.5 | 120 to 1450 | Taping/Ammo, Forming/Bulk pack |
| Rated Current Fusible Resistor | RFA | Flameproof, insulating, combines time delay performance with reliability, compliance with EU-RoHS. | Ceramic base, fusible film, cap, helical cutting groove, insulation coat. | JIS C 5201-1 | 3A, 3A | N/A | 1%, 2%, 5% | 350ppm/C | N/A | N/A | 100V, 200V | L: 6.00.3 to 90.5, D: 2.40.1 to 3.00.5 | 218 to 320 | Taping/Ammo, Forming/Bulk pack |
| Heat Energy Surge Wire Wound Fusible Resistor | WFU, WFS | Voltage type wire wound fusible, reliable fusing behavior, stable performance, endurance to surge voltage. | Ceramic base, wire wound, cap, insulation coat. | JIS C 5201-1 | S1/2, 1/2W, S1, 1W, S2, 2W, S3 | 0.1 ~ 150 | 5% | 1: 500ppm/C, 1: 300ppm/C | 100V, 200V, 350V, 500V | 150V, 2000V, 1000V | N/A | L: 6.00.3 to 161, D: 2.40.1 to 5.50.5 | 200 to 1380 | Taping/Ammo, Forming/Bulk pack |
| Non-Smoke Thermal Fuse Resistor | RFT | Safety design of non-flammability and insulation, can be produced according to customer's request. | Ceramic case, resistor, thermal fuse, lead wire, silicon cement. | JIS C 5201-1, UL 1412 | 3W, 5W, 7W, 10W, 10WS | 0.1 ~ 1K | 1%, 2%, 5%, 10% | 350ppm/C | AC 250V | N/A | N/A | Dimensions vary by power rating (e.g., H: 5-7mm, W: 12-13.5mm) | N/A | Bulk pack |
| Anti-Burst Fusible Resistor | RFB (Wire Type), RFF (Film Type) | Anti-burst wire wound or film type, safe fusing characteristics without explosion, reliable performance. | Wire wound or film on ceramic base, cap, ceramic tube, insulation coat. | JIS C 5201-1, UL 1412 | 1/4W, 1/2W, 1W, 2W, 3W | 0.1 ~ 100 | 5% | 500ppm/C, 300ppm/C | 250V, 100V | 500V, 150V | 1500V, 2000V | L: 6.60.5 to 171, D: 3.60.5 to 7.00.5 | 310 to 2300 | Taping/Ammo, Forming/Bulk pack |
| Wire Wound Resistor | RWU, RWS, RWP | Flameproof, insulating, small size for high density, stable long service life. | Ceramic base, wire wound, cap, insulation coat. | JIS C 5201-1, RWP1W Series UL1412 | P1, 1/2W, S1, P2, 1W, S2, P3, 2W, S3, P5, 3W, S5, 7W, 10W | 0.05 ~ 15K | 1%, 2%, 5%, 10%, 20% | 1: 500ppm/C, 1: 300ppm/C | 500V, 350V, 500V | 250V, 1000V, 1500V | UL1000V | L: 60.5 to 44MAX, D: 2.40.1 to 8MAX | 210 to 6200 | Taping/Ammo, Forming/Bulk pack |
| Non-Inductive Resistor | NWU, NMU, NWS, NMS, NWP, NMP, NVU, NVS, NVP | Flameproof, insulating, small size for high density, ultra low inductance (<3H at 1KHz). | Ceramic base, wire wound/conductive film, cap, insulation coat. | JIS C 5201-1 | P1, 1/2W, S1, P2, 1W, S2, P3, 2W, S3, P5, 3W, S5, 7W, 10W | NW (Wire): 2 ~ 12M; NM/NV (Film): 10 ~ 3G | NW: 2%, 5%; NM/NV: 1%, 5% | NW: 500ppm/C, 300ppm/C; NM/NV: 350ppm/C, 200ppm/C | NW: 350V, 750V, 1000V, 1500V; NM/NV: 500V, 1000V, 1500V | N/A | N/A | L: 60.3 to 401, D: 2.40.1 to 8.50.5 | 210 to 6434 | Taping/Ammo pack |
| Metal Plate Cement Resistor | MPC, MPH | Non-flammable, insulating, low resistance, resilient to surge current, non-inductive. | Ceramic case, silicon cement, metal plate, lead wire. | JIS C 5201-1 | MPC: 1W to 10W; MPH: 4W | 0.01 ~ 25 | 1%, 2%, 5%, 10% | 100ppm/C, 200ppm/C, 350ppm/C | 500V | N/A | N/A | Dimensions vary by model (e.g., MPC 01: L: 101.0, W: 101.0, C: 50.5) | 1250 to 6000 | Straight Forming, CP Wire |
| Metal Plate Cement Resistor | MPM | Non-flammable, insulating, low resistance, resilient to surge current, usable for current sensor application, non-inductive. | Ceramic base, metal shell, plating layer, ceramic base, metal plate, marking, insulation coat. | JIS C 5201-1 | 4W, 5W, 7W | 0.01 ~ 100M | 1%, 5%, 10% | 350ppm/C, 100ppm/C, 50ppm/C, 25ppm/C | 500V | N/A | N/A | Dimensions vary by model (e.g., MPM 4W: A: 180.5, B: 151.0, C: 2.00.5) | 1200 to 3110 | Straight Forming, CP Wire |
| Metal Plate Cement Resistor | MPT, MPQ | Non-flammable, insulating, low resistance, resilient to surge current, non-inductive. | MPT: Silicon cement, marking, lead wire, ceramic case. MPQ: Silicon cement, print impedance layer, lead wire, ceramic base. | JIS C 5201-1 | MPT: 3W; MPQ: 5W | MPT: 36 ~ 100M; MPQ: 0.01 ~ 0.5 | 1%, 2%, 5%, 10% | 350ppm/C | 500V | N/A | N/A | MPT: L: 151.0, W: 131.0, h: 0.70.1; MPQ: L: 161.0, W: 161.0, h: 6.00.5 | 630 to 3110 | Copper wire, CP Wire |
| Cement Resistor | RGW (Wire Type), RGF (Film Type) | Non-flammable, insulating, low inductance available, stable long life, can be produced per customer request. | Ceramic base, wire wound/film, cap, ceramic case, insulation coat. | JIS C 5201-1 | 1W to 40W | Film Type: 4 ~ 100K; Wire wound Type: 0.1 ~ 10K | 1%, 2%, 5%, 10% | 1: 600ppm/C, 1: 350ppm/C | 150V to 1000V | 500V to 1500V | 1000V to 1500V | Dimensions vary by power rating (e.g., P Type 1W: L: 141, W: 6.51, H: 6.51) | N/A | Forming (P, Z, M, S, T, H types) |
| Cement Resistor (High Insulation) | RGK | Non-flammable, insulating, low inductance available, stable long life, can be produced per customer request. | Ceramic base, wire wound/film, cap, ceramic case, insulation coat. | JIS C 5201-1 | 4W to 17W | 0.01 ~ 9.1K | 1%, 2%, 5%, 10% | 350ppm/C | 1000V to 2000V | 2000V | 2000V | Dimensions vary by power rating (e.g., 4W: W: 6.80.3, H: 6.80.3, L: 333) | N/A | Forming |
| Current Sensor Resistor | RGC | Non-flammable, insulating, low inductance available, stable long life, can be produced per customer request. | Ceramic base, wire wound, cap, ceramic tube/case, insulation coat. | JIS C 5201-1 | 1W to 20W | 0.001 ~ 0.1 (1m ~ 100m) | 1%, 2%, 5%, 10% | 20ppm/C, 50ppm/C, 100ppm/C | 2000V | N/A | N/A | Dimensions vary by power rating (e.g., 1W: L: 11.51, L1 Maxd: 15, D: 4.31) | N/A | Forming |
| High Pulse Wire Wound Resistor | HVW | Anti-burst wire wound, acceptable pulse of 25KV discharge, high reliability. | Ceramic base, wire wound, cap, ceramic tube, insulation coat. | JIS C 5201-1 | 1W to 5W | 10 ~ 390K | 5%, 10%, 20% | 300ppm/C | 300V to 500V | 600V to 1100V | 250V to 500V | L: 142 to 432, D: 51 to 71 | 1250 to 5900 | Forming |
| Aluminum Cased Power Resistor | GRR | High stability, high pulse resistance to 20KV, can be produced per customer request. | Aluminum case, ceramic base, wire wound/film, silicon cement, cap. | N/A | GR-5 (4.5W), GR-10 (8.5W), GR-25 (20W), GR-50 (45W), GR-100 (100W) | Film: 1.5K ~ 2G; Wire Wound: 0.02 ~ 40K | 1%, 2%, 5%, 10% | 25ppm/C, 50ppm/C, 100ppm/C, 350ppm/C | 1000V to 1500V | N/A | N/A | Dimensions vary by power rating (e.g., GR-5: A: 11.5, B: 12.5, C: 5.0) | N/A | Aluminum Straight Cased, P Terminal |
| Flat Type Metal Clad Wire Wound Resistor | GHR | High power rating, ultra precision, can be produced per customer request. | Insulation plate, wire wound, aluminum case, ceramic base, insulation coat. | N/A | 100W to 500W | 0.1 ~ 500 | 5% | 350ppm/C | 500V to 1000V | 1500V/DC | 1500V/DC | Dimensions vary by power rating (e.g., 100W: L1: 90, L2: 70, W1: 80) | N/A | Aluminum Wire, Aluminum Cased |
| Square Shape Aluminum Shell Resistor | RAR | High power rating, ultra precision, can be produced per customer request. | Insulation plate, wire wound, aluminum case, silicone rubber wire, ceramic tube, insulation coat. | N/A | 60W to 800W | 0.001 ~ 30K | 5% | 350ppm/C | 1000V | 2000V AC | 1500V AC | Dimensions vary by power rating (e.g., 60W: L1: 50, L2: 75) | N/A | No sense-end piece, Square Shape |
| Trapezoid Aluminum Shell Resistor | RAMH | High power rating, ultra precision, can be produced per customer request (dimensions, power, inductance). | Insulation plate, wire wound, aluminum case, silicone rubber wire, ceramic tube, insulation coat. | N/A | 60W to 800W | 0.001 ~ 30K | 5% | 350ppm/C | 1000V | 2000V AC | 1500V AC | Dimensions vary by power rating (e.g., 60W: L1: 50, L2: 80, P: 62) | N/A | Straight Ship Type |
| Power Wire Wound Resistor | RQR | Low inductance available, anti-burst wire wound, high pulse safe usage, high reliability. | Iron stand, ceramic washer, ceramic base, wire wound, marking, insulation coat. | N/A | 10W to 2000W | 1 ~ 750K | 5%, 10% | 350ppm/C | 750V to 1500V | N/A | N/A | Dimensions vary by power rating (e.g., 10W: L: 45, L1: 62, D: 12) | N/A | Fixed, Non-inductive, Adjustable, Horizontal, Vertical |
| Coat-Insulated Zero Ohm Resistor | RZU, RZS, RZY, RZT | Automatic insertion applicable, excellent long-term stability. | Ceramic base, cap, iron core (RZT), insulation coat. | JIS C 5201-1 | 1/6W, 1/4W, 1/2W, S1 | <20m (RZU, RZY), <5m (RZT) | N/A | N/A | 300V, 500V | N/A | N/A | L: 3.30.3 to 90.5, D: 1.80.3 to 3.00.5 | 120 to 320 | Taping/Ammo, Forming/Bulk pack |
| Low Resistance Resistor | STR | Small size, light weight, excellent soldering performance, can be produced per customer request. | Resistive wire, solder coat, lead wire. | JIS C 5201-1 | 0.8mm d to 1.2mm d | 1m ~ 300m | 1%, 3%, 5% | 50ppm/C to 300ppm/C | -55C to 150C | N/A | N/A | d: 0.8 to 1.2mm | N/A | Forming |
| Low Resistance Resistor | LRR | Small size, light weight, excellent soldering performance, can be produced per customer request. | Resistive wire, solder coat. | JIS C 5201-1 | 0.4mm d to 2.3mm d | 3m ~ 220m | 1%, 2%, 5%, 10% | 50ppm/C to 200ppm/C | -55 to 200 | N/A | N/A | d: 0.4 to 2.3mm | N/A | Forming (C, W, L, D, T090 types) |
| Power Chip Resistor | MR | High stability film or metal plate resistance elements, low inductive (<50nH), available in 20W, 30W, 35W, 50W. | Aluminum alloy flange, alumina substrate, resistance material (RuO2 or metal plate), lead terminal, molded resin. | MIL-STD-202 Method 204 | 20W, 30W, 35W, 50W | 0.01 ~ 51K | 1%, 5% | 150ppm/C, 200ppm/C | 500V | N/A | N/A | Dimensions vary by power rating (e.g., MR-20: A: 10.10.2, B: 150.2, C: 4.50.2) | 50 | Strip |
Company History
- 1973, March: Signed technical cooperation agreement with Fukushima Futaba in Japan.
- 1973, October: Founded as Futaba Electric Co., Ltd.
- 1974, September: Started mass production of Metal Oxide Film Resistor.
- 1997, June: Established Shenzhen plant in China.
- 1997, October: Futaba Taiwan HQ achieved ISO 9000:1994 certification.
- 1998, January: Started mass production of High Meg Metal Glaze Resistor.
- 1999, March: Shenzhen plant achieved ISO 9000:1994 certification.
- 1999, November: Established Shuangya Electronics Co. in China.
- 2002, August: Futaba Taiwan HQ achieved ISO 9001:2000 certification.
- 2003, January: Shenzhen plant achieved ISO 9001:2000 certification.
- 2003, January: Implemented Lead-Free products.
- 2003, April: Futaba Taiwan HQ achieved SONY green partner certification.
- 2003, September: Established Suzhou plant in China.
- 2004, August: Suzhou plant achieved ISO 9001:2004 certification.
- 2005, December: Shenzhen plant achieved ISO 14001:2004 certification.
- 2006, March: Suzhou plant achieved ISO 14001:2004 certification.
- 2008, August: Implemented Halogen-Free products.
- 2009, August: Taiwan, Shenzhen, Shuangya and Suzhou achieved ISO 9001:2008 certification.
- 2010, February: Suzhou plant achieved TS 16949:2009 certification.
- 2012, July: Shuangya renamed to Futaba Electronics Co., Ltd.
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