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Specifications
Type:
Wirewound Resistor
Resistance:
3.9Ω
Voltage-Supply(Max):
1kV
Power(Watts):
2W
Temperature Coefficient:
±300ppm/℃
Tolerance:
±5%
Mfr. Part #:
NWS02J3R90A520NH
Package:
Through Hole,D4.5xL12mm
Key Attributes
Model Number:
NWS02J3R90A520NH
Product Description
Futaba Electric Co., Ltd. - Product Catalog
Company History
- 1973, March: Signed technical cooperation agreement with Fukushima Futaba in Japan.
- 1973, October: Founded as Futaba Electric Co., Ltd.
- 1974, September: Began mass production of Metal Oxide Film Resistors.
- 1997, June: Established Shenzhen plant in China (Shenzhen Futaba Electronics Co., Ltd.).
- 1997, October: Futaba Taiwan HQ achieved ISO 9000:1994 certification.
- 1998, January: Began mass production of High Meg Metal Glaze Resistors.
- 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 and RoHS compliance.
- 2003, April: Futaba Taiwan HQ achieved SONY Green Partner certification.
- 2003, September: Established Suzhou plant in China (Futaba Electronics (Suzhou) Co., Ltd.).
- 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 plants achieved ISO 9001:2008 certification.
- 2010, February: Suzhou plant achieved TS 16949:2009 certification.
- 2012, July: Shuangya renamed to Futaba Electronics Co., Ltd.
Product Categories
The catalog includes a wide range of fixed resistors, categorized by their construction and material:
- Film Resistors (Metal Oxide Film, Fixed Metal Film, Metal Film Precision)
- High Resistance and Surge Resistors
- Fusing Resistors (Fusible, Rated Current Fusible, High Energy Surge Wire Wound Fusible, Non-Smoke Thermal Fuse, Anti-Burst)
- Wire Wound Resistors (Standard, Non-Inductive)
- Ceramic Cased Resistors (Metal Plate Cement Resistors)
- Aluminum Cased Resistors (Aluminum Cased Power, Flat Type Metal Clad, Square Shape Aluminum Shell, Trapezoid Aluminum Shell)
- High Power Resistors (Power Wire Wound)
- Other Resistors (Coated Insulated Zero Ohm, Low Resistance)
- Power Chip Resistors
Technical Specifications - Metal Oxide Film Resistor (RS Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| METAL OXIDE FILM RESISTOR | 4-5 | <1/4, 1/4, 1/2, 1, 2, 3, >3 | 0.01%, 0.05%, 0.1%, 0.5%, 1%, 2%, 5%, >5% | Europe RoHS: , China RoHS: |
Metal Oxide Film Resistor (RSU / RSU) - Features
- Uses non-flammable coating for safety (UL94 V-0).
- Compact size suitable for high-density applications.
- High reliability.
- Good thermal stability with low surface temperature rise.
- Complies with EU RoHS requirements.
Technical Specifications - Fixed Metal Film Resistor (RN Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| FIXED METAL FILM RESISTOR | 6-7 | 1/8, 1/6, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3, 3 | 0.05%, 0.1%, 0.5%, 1%, 2%, 5% | Europe RoHS: , China RoHS: |
Fixed Metal Film Resistor (RNU / RNS) - Features
- High precision and low T.C.R.
- Excellent long-term stability.
- Suitable for automatic insertion.
- Complies with EU RoHS requirements.
Technical Specifications - Metal Film Precision Resistor (RP Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| METAL FILM PRECISION RESISTOR | 8-9 | 1/8, 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3 | 0.01%, 0.02%, 0.05%, 0.1%, 0.5%, 1%, 2%, 5% | Europe RoHS: , China RoHS: |
Metal Film Precision Resistor (RPU / RPS) - Features
- High precision and low T.C.R. with resistance tolerance as tight as 0.01%.
- Excellent long-term stability.
- Complies with EU RoHS requirements.
Technical Specifications - Metal Glaze Resistor (RM Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| METAL GLAZE RESISTOR | 10-11 | 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3, H1 | 1%, 2%, 5% | Europe RoHS: |
Metal Glaze Resistor (RMU / RMS / RMH) - Features
- Uses non-flammable coating for safety (UL94 V-0).
- Complies with EU RoHS requirements.
- Approvals: UL 1676 & c-UL, EN 60065, SEMKO & CB.
Technical Specifications - Surge Resistor (RV Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| SURGE RESISTOR | 12-13 | 1/2, S1, 1, S2, 2, S3 | 5% | Europe RoHS: |
Surge Resistor (RVU / RVS) - Features
- Resistance value range: 680K to 3G.
- Excellent long-term stability.
- Can withstand 10KV pulse impacts.
- Low temperature coefficient.
- Complies with EU RoHS requirements.
Technical Specifications - High Resistance Resistor (RR Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| HIGH RESISTANCE RESISTOR | 14-15 | 1/6, S1/4, 1/4, S1/2, 1/2, S1, 1, S2, 2, S3, 5W, S7W | 1%, 2%, 5% | Europe RoHS: |
High Resistance Resistor (RRU / RRS) - Features
- Resistance value range: 101M to 3G.
- Low T.C.R. down to 50ppm (normal is 200ppm).
- Long load life and long-term stability.
- Complies with EU RoHS requirements.
Technical Specifications - Fusible Resistor (RF Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| FUSIBLE RESISTOR | 16-17 | 1/6, S1/4, 1/4, 1/3, S1/2, 1/2, S1, P2, 1, S2, 2, S3 | 5% | Europe RoHS: |
Fusible Resistor (RFU / RFS) - Features
- Uses non-flammable coating for safety (UL94 V-0).
- Functions as a resistor under normal conditions.
- Quickly fuses to protect circuits from excessive overload.
- Complies with EU RoHS requirements.
Technical Specifications - Rated Current Fusible Resistor (RFA Series)
| Type | Page | Rated Current (A) | RoHS Compliance |
|---|---|---|---|
| RATED CURRENT FUSIBLE RESISTOR | 18-19 | 3A, >3A | Europe RoHS: |
Rated Current Fusible Resistor (RFA) - Features
- Uses non-flammable coating for safety (UL94 V-0).
- Combines time delay performance with reliability.
- Complies with EU RoHS requirements.
Technical Specifications - High Energy Surge Wire Wound Fusible Resistor (WF Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| HEAT ENERGY SURGE WIRE WOUND FUSIBLE RESISTOR | 20-21 | S1/2, 1/2, S1, 1, S2, 2, S3 | 5% | Europe RoHS: |
High Energy Surge Wire Wound Fusible Resistor (WFU / WFS) - Features
- Provides reliable fusing behavior and stable performance.
- Endures surge voltage.
- Complies with EU RoHS requirements.
Technical Specifications - Non-Smoke Thermal Fuse Resistor (RFT Series)
| Type | Page | Rated Power (W) | RoHS Compliance |
|---|---|---|---|
| NON-SMOKE THERMAL FUSE RESISTOR | 22-23 | 3W, 5W, 7W, 10W, 10WS | Europe RoHS: |
Non-Smoke Thermal Fuse Resistor (RFT) - Features
- Compact type with safety design of non-flammability and insulation.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
- Approvals: UL 1412, CUL.
Technical Specifications - Anti-Burst Fusible Resistor (RFB/RFF Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| ANTI-BURST FUSIBLE RESISTOR (Wire Type) | 24-25 | 1/4, 1/2, 1, 2, 3 | 5% | Europe RoHS: |
| ANTI-BURST FUSIBLE RESISTOR (Film Type) | 24-25 | 1/4, 1/2, 1, 2, 3 | 5% | Europe RoHS: |
Anti-Burst Fusible Resistor (RFB/RFF) - Features
- Anti-burst wire wound or film type fusible resistors.
- Safe fusing characteristics without explosion, protecting the environment.
- Durable high stability under rated power.
- Complies with EU RoHS requirements.
- Approvals: UL 1412.
Technical Specifications - Wire Wound Resistor (RW Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| WIRE WOUND RESISTOR | 26-27 | P1, 1/2, S1, P2, 1, S2, P3, 2, S3, P5, 3, S5, 7, 10 | 1%, 2%, 5%, 10%, 20% | Europe RoHS: |
Wire Wound Resistor (RWU / RWS / RWP) - Features
- Uses non-flammable coating for safety (UL94 V-0).
- Compact size suitable for high-density applications.
- Stable long service life.
- Complies with EU RoHS requirements.
- Approvals: RWP1W Series UL1412.
Technical Specifications - Non-Inductive Resistor (NW/NM/NV Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| NON INDUCTIVE RESISTOR (Wirewound standard Type) | 28-29 | P1, 1/2, S1, P2, 1, S2, P3, 2, S3, P5, 3, S5, 7, 10 | 2%, 5%, 10%, 20% | Europe RoHS: |
| NON INDUCTIVE PRECISION RESISTOR (Film Type) | 28-29 | P1, 1/2, S1, P2, 1, S2, P3, 2, S3, P5, 3, S5, 7, 10 | 1%, 2%, 5%, 10% | Europe RoHS: |
Non-Inductive Resistor (NWU/NMU/NWS/NMS/NWP/NMP/NVU/NVS/NVP) - Features
- Uses non-flammable coating for safety (UL94 V-0).
- Compact size suitable for high-density applications.
- Ultra-low inductance value (under 3H at 1KHz).
- Complies with EU RoHS requirements.
Technical Specifications - Metal Plate Cement Resistor (MPC/MPH Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| METAL PLATE CEMENT RESISTOR (MPC Type) | 30-31 | 1, 2, 3, 5, 10 | 1%, 2%, 5%, 10% | Europe RoHS: |
| METAL PLATE CEMENT RESISTOR (MPH Type) | 30-31 | 4 | 5%, 10% | Europe RoHS: |
Metal Plate Cement Resistor (MPC/MPH) - Features
- Safety design with non-flammability and insulation.
- Low resistance and resilient to surge current.
- Non-inductive.
- Complies with EU RoHS requirements.
Technical Specifications - Metal Plate Cement Resistor (MPM Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| METAL PLATE CEMENT RESISTOR | 32-33 | 4, 5, 7 | 1%, 5%, 10% | Europe RoHS: |
Metal Plate Cement Resistor (MPM) - Features
- Safety design with non-flammability and insulation.
- Low resistance, resilient to surge current, and suitable for current sensor applications.
- Non-inductive.
- Complies with EU RoHS requirements.
Technical Specifications - Metal Plate Cement Resistor (MPT/MPQ Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| METAL PLATE CEMENT RESISTOR (MPT Type) | 34-35 | 3 | 1%, 2%, 5%, 10% | Europe RoHS: |
| METAL PLATE CEMENT RESISTOR (MPQ Type) | 34-35 | 5 | 1%, 2%, 5%, 10% | Europe RoHS: |
Metal Plate Cement Resistor (MPT/MPQ) - Features
- Safety design with non-flammability and insulation.
- Low resistance and resilient to surge current.
- Non-inductive.
- Complies with EU RoHS requirements.
- Customizable options available.
Technical Specifications - Cement Resistor (RG Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| CEMENT RESISTOR (Wire Type) | 36-37 | 1, 2, 3, 5, 7, 10, 15, 20, 25, 30, 40 | 1%, 2%, 5%, 10% | Europe RoHS: |
| CEMENT RESISTOR (Film Type) | 36-37 | 1, 2, 3, 5, 7, 10, 15, 20, 25, 30, 40 | 1%, 2%, 5%, 10% | Europe RoHS: |
Cement Resistor (RGW / RGF) - Features
- Safety design with non-flammability and insulation.
- Low inductance available.
- Stable long life.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
Technical Specifications - Cement Resistor (RGK Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| CEMENT RESISTOR (High Insulation) | 38-39 | 4, 5, 6, 7, 9, 11, 17 | 1%, 2%, 5%, 10% | Europe RoHS: |
Cement Resistor (RGK) - Features
- Safety design with non-flammability and insulation.
- Low inductance available.
- Stable long life.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
Technical Specifications - Current Sensor Resistor (RGC Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| CURRENT SENSOR RESISTOR | 40-41 | 1, 2, 3, 4, 5, 7, 9, 10, 20 | 1%, 2%, 5%, 10% | Europe RoHS: |
Current Sensor Resistor (RGC) - Features
- Safety design with non-flammability and insulation.
- Low inductance available.
- Stable long life.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
Technical Specifications - High Pulse Wire Wound Resistor (HVW Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| HIGH PULSE WIRE WOUND RESISTOR | 42-43 | 1, 2, 3, 4, 5 | 5%, 10%, 20% | Europe RoHS: |
High Pulse Wire Wound Resistor (HVW) - Features
- Anti-burst wire wound type with high pulse characteristics.
- Can withstand 25KV pulse impacts.
- High reliability.
- Complies with EU RoHS requirements.
Technical Specifications - Aluminum Cased Power Resistor (GR Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| ALUMINUM CASED POWER RESISTOR | 44-45 | 5, 10, 25, 50, 100 | 1%, 2%, 5%, 10% | Europe RoHS: |
Aluminum Cased Power Resistor (GRR) - Features
- High stability strong construction and anti-surge up to 20KV.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
- Low inductance available.
Technical Specifications - Flat Type Metal Clad Wire Wound Resistor (GH Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| FLAT TYPE METAL CLAD WIRE WOUND RESISTOR | 46-47 | 60, 100, 150, 200, 250, 300, 400, 500 | 5% | Europe RoHS: |
Flat Type Metal Clad Wire Wound Resistor (GHR) - Features
- High power rating and ultra precision.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
- Low inductance (1KHz: 3H) available.
Technical Specifications - Square Shape Aluminum Shell Resistor (RA Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| SQUARE SHAPE ALUMINUM SHELL RESISTOR | 48-49 | 60, 80, 100, 120, 150, 200, 300, 400, 500, 600, 800 | 5% | Europe RoHS: |
Square Shape Aluminum Shell Resistor (RAR) - Features
- High power rating and ultra precision.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
- Low inductance available.
Technical Specifications - Trapezoid Aluminum Shell Resistor (RAMH Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| TRAPEZOID ALUMINUM SHELL RESISTOR | 50-51 | 60, 80, 100, 120, 150, 200, 300, 400, 500, 600, 800 | 5% | Europe RoHS: |
Trapezoid Aluminum Shell Resistor (RAMH) - Features
- High power rating and ultra precision.
- Customizable (dimensions, power, inductance) according to customer requests.
- Complies with EU RoHS requirements.
- Low inductance available.
Technical Specifications - Power Wire Wound Resistor (RQ Series)
| Type | Page | Rated Power (W) | Resistance Tolerance | RoHS Compliance |
|---|---|---|---|---|
| POWER WIRE WOUND RESISTOR | 52-53 | 10, 20, 30, 50, 60, 80, 100, 120, 150, 160, 200, 250, 300, 400, 500, 600, 700, 800, 1000, 1300, 1500, 2000 | 5%, 10% | Europe RoHS: |
Power Wire Wound Resistor (RQR) - Features
- Fixed, non-inductive, and adjustable types available.
- Low inductance available.
- Anti-burst wire wound type with high pulse characteristics.
- Can withstand 25KV pulse impacts.
- High reliability.
- Complies with EU RoHS requirements.
Technical Specifications - Coated Insulated Zero Ohm Resistor (RZ Series)
| Type | Page | Rated Power (W) | Resistance Value | RoHS Compliance |
|---|---|---|---|---|
| FIRE PREVENTION COAT ZERO OHM RESISTOR (RZU) | 54-55 | 1/6, 1/4, 1/2, S1 | <20m | Europe RoHS: |
| INSULATION RESIN ZERO OHM RESISTOR (RZY) | 54-55 | 1/6, 1/4 | <20m | Europe RoHS: |
| IRON CORE ZERO OHM RESISTOR (RZT) | 54-55 | 1/6, 1/4 | <5m | Europe RoHS: |
Coated Insulated Zero Ohm Resistor (RZU/RZS/RZY/RZT) - Features
- Suitable for automatic insertion.
- Excellent long-term stability.
- Complies with EU RoHS requirements.
Technical Specifications - Low Resistance Resistor (ST Series)
| Type | Page | Diameter (mm) | Max. Current Rating (A) | Resistance Range () | Tolerance | T.C.R. | Temperature Range | RoHS Compliance |
|---|---|---|---|---|---|---|---|---|
| LOW RESISTANCE RESISTOR | 56-57 | 0.8, 1, 1.2 | 6, 8, 10 | 1m10m, 10m200m, 100m300m | 1%, 3%, 5% | 50ppm/C, 100ppm/C, 200ppm/C, 300ppm/C | -55C to 150C | Europe RoHS: |
Low Resistance Resistor (STR) - Features
- Small size and light weight.
- Excellent soldering performance.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
Technical Specifications - Low Resistance Resistor (LR Series)
| Type | Page | Diameter (mm) | Max. Current Rating (A) | Resistance Range () | Tolerance | T.C.R. | Temperature Range | RoHS Compliance |
|---|---|---|---|---|---|---|---|---|
| LOW RESISTANCE RESISTOR | 58-59 | 0.4 to 2.3 | 2.0 to 14.0 | 3m to 200m | 1%, 2%, 3%, 5%, 10% | 50ppm/C, 100ppm/C, 200ppm/C | -55 to 200 | Europe RoHS: |
Low Resistance Resistor (LRR) - Features
- Small size and light weight.
- Excellent soldering performance.
- Customizable according to customer requests.
- Complies with EU RoHS requirements.
Technical Specifications - Power Chip Resistor (MR Series)
| Type | Page | Power Rating (W) | Voltage Rating (V) | Resistance Range () | Tolerances | T.C.R. | Package | RoHS Compliance |
|---|---|---|---|---|---|---|---|---|
| POWER CHIP RESISTOR | 60-61 | 20, 30, 35, 50 | 500 | 0.010.09, 0.151K | 1%, 5% | 150ppm/C, 200ppm/C | Strip (50 pcs) | Europe RoHS: |
Power Chip Resistor (MR) - Features
- High stability film or metal plate resistance elements.
- Low inductive (<50nH) at 100KHz test frequency.
- Available in 20W, 30W, 35W, 50W.
- Complies with EU RoHS requirements.
- Reference Standard: MIL-STD-202 Method 204.
Appendix - Forming Options
Various forming options are available for different resistor types, including L, C, FA5, FB5, FC5, FD5, M, D, Y, YT, and FT types. Specific dimensions and compatibility vary by resistor series and power rating.
Appendix - Resistance Tolerance / Basic Value E24 & E96
Details on resistance tolerances (V, L, U, A, B, C, D, F, G, J, K, M) and basic resistance values for E12, E24, and E96 series are provided.
Appendix - Resistor Loading Calculation and Surge Test Method
Information on calculating energy for single pulses (capacitor energy, triangle wave, sine wave, rectangle wave), power rate, temperature effects, loading ratios (continuous and impulse), and surge test circuits is included.
2410121236_Futaba-Elec-NWS02J3R90A520NH_C275100.pdf
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