Product Overview
This document provides detailed technical specifications for a range of resistors manufactured by Futaba Electric Co., Ltd. The product line includes various types of fixed resistors such as Metal Oxide Film Resistors, Fixed Metal Film Resistors, Metal Film Precision Resistors, Metal Glaze Resistors, Surge Resistors, High Resistance Resistors, and Fusible Resistors. It also covers Wire Wound Resistors, Ceramic Cased Resistors, Aluminum Cased Resistors, High Power Resistors, and specialized types like Current Sensor Resistors and High Pulse Wire Wound Resistors. The company emphasizes flameproof and insulating properties, small size for high-density applications, high reliability, and compliance with EU-RoHS requirements.
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 products, Halogen-Free products
Technical Specifications
| Product Type | Model | Power Rating (W) | Resistance Range () | Tolerance | Max. Working Voltage (V) | Max. Overload Voltage (V) | Dielectric Withstanding Voltage (V) | T.C.R. (ppm/C) | Dimensions (mm) | Weight (g/1000pcs) | Construction | Coating Color | Marking |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Metal Oxide Film Resistor | RSU / RSS / RSP | 1/4, S1/2, P1, 1/2, S1, P2, 1, S2, P3, 2, S3, P5, 3, S5 | 0.1 ~ 910K (RSU) | F1%, G2%, J5% | 250-500 | 500-1000 | 250-500 | 100 to 350 | L: 6.0-25, L1: 7-28, D: 2.4-8.5, d: 0.6-0.8 | 210-3768 | Ceramic base, Conductive film, Cap, Helical cutting groove, Insulation coat | Standard: Gray, Small/Super Small: Pink | Color Code (1/4W, S1/2W), Alphanumeric (1/2W~S5W) |
| Fixed Metal Film Resistor | RNU / RNS | 1/8, 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3 | 10~1M (S1/4) | F1%, G2%, J5% | 200-500 | 400-700 | 300-500 | 100 | L: 3.5-16, L1: 5-18, D: 1.7-5.5, d: 0.45-0.8 | 110-1380 | Ceramic base, Conductive film, Cap, Helical cutting groove, Insulation coat | Standard: Dark blue, Small: Light blue | Color Code (1/8,S1/4,1/4,S1/2), Alphanumeric (1/2W) |
| Metal Film Precision Resistor | RPU / RPS | 1/8, 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3 | 10~100K (S1/4) | F1%, D0.5%, B0.1% | 200-350 | 250-700 | 300-700 | 100 | L: 3.5-16, L1: 5-18, D: 1.7-5.5, d: 0.45-0.8 | 110-1380 | Ceramic base, Conductive film, Cap, Helical cutting groove, Insulation coat | Standard: Blue epoxy paint (1/6W), RPU/Gray; RPS/Pink (1/4W) | Color Code (S1/2), Alphanumeric (1/2~S3) |
| Metal Glaze Resistor | RMU / RMS / RMH | 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3, H1 | 10~<100M (1/6,S1/4) | F1%, G2%, J5% | 300-10000 | N/A | N/A | 100 to 200 | L: 3.3-16, L1: 4-18, D: 1.8-5.5, d: 0.45-0.8 | 120-1450 | Ceramic base, Metal glaze film, Cap, Helical cutting groove, Insulation coat | Standard: Dark blue (1/6W, 1/4W), Pink (others) | Color Code (S1/2W), Alphanumeric (1/2W~S3W, H1W) |
| Surge Resistor | RVU / RVS | 1/2, S1, 1, S2, 2, S3 | 680K~3G | J5% | 3500-10000 | 700-10000 | N/A | 200 | L: 9-16, L1: 11-18, D: 3.3-5.5, d: 0.6-0.8 | 285-1380 | Ceramic base, Metal glaze film, Cap, Helical cutting groove, Insulation coat | N/A | Alphanumeric |
| High Resistance Resistor | RRU / RRS | 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3, 5W, S7W | 100M~3G | F1%, G2%, J5% | 500-15000 | 700-15000 | N/A | 200 (50ppm/C available) | L: 3.3-25, L1: 4-28, D: 1.8-8.5, d: 0.45-0.8 | 120-3800 | Ceramic base, Metal glaze film, Cap, Helical cutting groove, Insulation coat | RRU: Dark blue (1/6W, 1/4W), Pink (others) | Color Code (S1/2W), Alphanumeric (1/2W~S3W) |
| Fusible Resistor | RFU / RFS | 1/6, S1/4, 1/4, 1/3, S1/2, S1, P2, 1/2, 1, 2, S2, S3 | 0.1~1K (1/6,S1/4) | J5% | 100-350 | 150-500 | 200-300 | 350 | L: 3.3-16, L1: 4-18, D: 1.7-5.5, d: 0.45-0.8 | 120-1450 | Ceramic base, Fusible film, Cap, Helical cutting groove, Insulation coat | Standard: Gray, Small: Pink | Color Code (1/6W,1/4W,1/3W,S1/2W), Alphanumeric (1/2W~S3W) |
| Rated Current Fusible Resistor | RFA | 3A, 3A | N/A | F1%, G2%, J5% | 100-200 | N/A | N/A | 350 | L: 6.0-9.0, L1: 7-11, D: 2.4-3.0, d: 0.6-0.8 | 218-320 | Ceramic base, Fusible film, Cap, Helical cutting groove, Insulation coat | Gray | Color Code |
| Heat Energy Surge Wire Wound Fusible Resistor | WFU / WFS | S1/2, 1/2, S1, 1, S2, 2, S3 | 0.1 ~ 150 | J5% | 100-500 | 150-1000 | 100-1000 | 300 to 500 | L: 6.0-16, L1: 7-18, D: 2.4-5.5, d: 0.6-0.8 | 200-1380 | Ceramic base, Wire wound, Cap, Insulation coat | Standard: Gray, Small: Pink | Color Code (S1/2W), Alphanumeric (1/2W~S3W) |
| Non-Smoke Thermal Fuse Resistor | RFT | 3W, 5W, 7W, 10W, 10WS | 0.1~1K | F1%, G2%, J5%, K10% | AC 250V | N/A | 1000V | 350 | H: 5-7, W: 12-13.5, P: 5-5, Fuse d1: 0.6-1.0, Wire d2: 0.8 | N/A | Ceramic case, Resistor, Thermal fuse, Lead wire, Silicon cement | White | Alphanumeric |
| Anti-Burst Fusible Resistor | RFB / RFF | 1/4, 1/2, 1, 2, 3 | 0.1 ~ 100 (1/4) | J5% | 100-250 | 150-500 | 1500-2000 | 300 to 500 | L: 6.6-17, L1: 10-20, D: 3.6-7.0, d: 0.6-0.8 | 310-2300 | Wire wound / Film, Cap, Ceramic base/tube, Insulation coat | White | Color Code (1/4W), Alphanumeric (1/2W~3W) |
| Wire Wound Resistor | RWU / RWS / RWP | P1, 1/2, S1, P2, 1, S2, P3, 2, S3, P5, 3, S5, 7, 10 | 0.05 ~ 15K | F1%, G2%, J5% | 250-500 | N/A | 1000-1500V (UL) | 300 to 500 | L: 6-44, L1: 7-46, D: 2.4-8, d: 0.6-0.8 | 210-6200 | Ceramic base, Wire wound, Cap, Insulation coat | Standard: Gray, Small/Super Small: Pink | Color Code (RWP1W), Alphanumeric (1/2W~10W) |
| Non Inductive Resistor | NWU/NMU/NWS/NMS/NWP/NMP (Wire), NVU/NVS/NVP (Film) | P1, 1/2, S1, P2, 1, S2, P3, 2, S3, P5, 3, S5, 7, 10 | 0.1~10 (NW), 2~12M (NM), 10~3G (NV) | G2%, J5% | 350-10000 | N/A | N/A | 200 to 350 | L: 6-40, L1: 7-42, D: 2.4-8.5, d: 0.6-0.8 | 210-6434 | Ceramic base, Wire wound/Conductive film, Cap, Insulation coat | Standard: Gray, Small/Super Small: Pink | Color Code (S1/2W), Alphanumeric (1/2W~7W) |
| Metal Plate Cement Resistor | MPC / MPH | MPC: 1, 2, 3, 5, 10; MPH: 4 | MPC: 0.01~3.3; MPH: 0.1~33 | F1%, G2%, J5%, K10% | 500-700 | N/A | N/A | 100 to 350 | MPC: L: 8.0-18, W: 8.0-26, H: 4-5; MPH: L: 21, W: 15, H: 2.0 | 1250-5900 | Ceramic case, Silicon cement, Metal board, Lead wire | White | Alphanumeric |
| Metal Plate Cement Resistor | MPM | 4, 5, 7 | 0.01~100M | F1%, J5%, K10% | 500 | N/A | N/A | 25 to 350 | MPM 4W: A: 18, B: 15, C: 2.0; MPM 7W: A: 32, B: 15, C: 3(MAX) | N/A | Ceramic base, Metal shell, Plating layer, Insulation coat | Green (Body), White (Coating) | Alphanumeric |
| Metal Plate Cement Resistor | MPT / MPQ | MPT: 3W; MPQ: 5W | MPT: 36~100M; MPQ: 0.01~0.5 | F1%, G2%, J5%, K10% | 500 | N/A | N/A | 350 | MPT: L: 15, W: 13, H: 0.7; MPQ: L: 16, W: 16, H: 6.0 | 630-3110 | Ceramic case, Silicon cement, Metal board, Lead wire | MPT: White (Body), Blue (Coating); MPQ: White (Body), Green (Coating) | Alphanumeric |
| Cement Resistor (Wire/Film) | RGW / RGF | 1, 2, 3, 5, 7, 10, 15, 20, 25, 30, 40 | Film: 4~39K; Wire: 0.1~330 | F1%, G2%, J5%, K10% | 150-1000 | 500-1500 | 1000-1500 | 350 to 600 | L: 14-60, W: 6.5-14, H: 6.5-13.5, : 23-42, d: 0.6-0.8 | N/A | Ceramic case, Wire wound/Film, Cap, Insulation coat | White | Alphanumeric |
| Cement Resistor (RGK Type) | RGK | 4, 5, 6, 7, 9, 11, 17 | 0.01~9.1K (4W) | F1%, G2%, J5%, K10% | 1000-2000 | 2000-2000 | 2000V | 350 | W: 6.8-9.5, H: 6.8-9.0, : 25-75, L: 25-75 | N/A | Ceramic case, Wire wound/Film, Cap, Insulation coat | White | Alphanumeric |
| Current Sensor Resistor | RGC | 1, 2, 3, 4, 5, 7, 9, 10, 20 | 0.001~0.1 | 20ppm/C, 50ppm/C, 100ppm/C, F1%, G2%, J5%, K10% | 2000V | N/A | N/A | 20 to 100 | L: 11.5-42, L1: 15-46, D: 4.3-10, : 26-30, d: 0.6-1.0 | N/A | Ceramic base, Wire wound, Cap, Ceramic tube/case, Insulation coat | White | Alphanumeric |
| High Pulse Wire Wound Resistor | HVW | 1, 2, 3, 4, 5 | 10~390K (1W) | J5%, K10%, M20% | 300-550 | 600-1000 | 250-350 | 300 | L: 14-43, L1: 18-48, D: 5-7, : 0.80.05, d: 353 | 1250-5500 | Ceramic base, Wire wound, Cap, Ceramic tube, Insulation coat | White | Alphanumeric |
| Aluminum Cased Power Resistor | GRR | 5, 10, 25, 30, 50, 100, 300 | Film: 1.5K~1G; Wire: 0.1~1.5K | F1%, G2%, J5%, K10% | 1000-1500 | N/A | N/A | 25 to 350 | Dimensions vary significantly by power rating. | N/A | Aluminum case, Ceramic base, Wire wound/Film, Silicon cement, Cap | Gold | Alphanumeric |
| Flat Type Metal Clad Wire Wound Resistor | GHR | 100, 150, 250, 300, 400, 500 | 0.1~500 | J5% | 500-1000 | 1500 | 1500V/DC | 350 | Dimensions vary by power rating. | N/A | Aluminum case, Ceramic base, Wire wound, Insulation coat | Silver | Alphanumeric |
| Square Shape Aluminum Shell Resistor | RAR | 60, 80, 100, 120, 150, 200, 300, 400, 500, 600, 800 | 0.001~30K | J5% | 1000V | 2000V AC | 1500V AC | 350 | Dimensions vary by power rating. | N/A | Aluminum case, Insulation plate, Wire wound, Silicone rubber wire, Ceramic tube | Silver | Alphanumeric |
| Trapezoid Aluminum Shell Resistor | RAMH | 60, 80, 100, 120, 150, 200, 300, 400, 500, 600, 800, 1000 | 0.001~30K | J5% | 1000V | 2000V AC | 1500V AC | 350 | Dimensions vary by power rating. | N/A | Aluminum case, Insulation plate, Wire wound, Silicone rubber wire, Ceramic tube | Silver | Alphanumeric |
| Power Wire Wound Resistor | RQR | 10W to 2000W | 1-500K | J5%, K10% | 1500V | 750V | N/A | 350ppm/C | Dimensions vary by power rating. | N/A | Ceramic base, Wire wound, Cap, Insulation coat, Iron stand | Green | Alphanumeric |
| Coat-Insulated Zero Ohm Resistor | RZU / RZS / RZY / RZT | 1/6W, 1/4W, 1/2W, S1 | <20m (RZU/RZY), <5m (RZT) | 0 | 300-500V | N/A | N/A | N/A | L: 3.3-9.0, L1: 4-11.1, D: 1.8-3.0, d: 0.45-0.6 | 120-320 | Ceramic base, Iron core, Insulation coat | RZU: Gray, RZS: Pink, RZY: Yellowish, RZT: Blue | Color Code (S1/2W), Alphanumeric (1/2W, 1W) |
| Low Resistance Resistor | STR | N/A | 1m~300m | F1%, H3%, J5% | N/A | Max. Current Rating (A): 6-10 | N/A | 50 to 300ppm/C | d: 0.8-1.2mm | N/A | Resistive wire, Solder coat, Lead wire | Silver | N/A |
| Low Resistance Resistor | LRR | N/A | 3m~200m | F1%, H3%, J5%, K10% | N/A | Max. Current Rating (A): 2.0-14.0 | N/A | 50 to 200ppm/C | d: 0.4-2.3mm | N/A | Resistive wire, Solder coat | Silver | N/A |
| Power Chip Resistor | MR | 20W, 30W, 35W, 50W | 0.01~51K | 1%, 5% | 500V | N/A | N/A | 150 to 200ppm/C | Dimensions vary by power rating. | N/A | Aluminum alloy flange, Alumina substrate, Resistance element, Copper alloy terminal, Molded resin | Black | Alphanumeric |
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