Product Overview
This series of high-power resistors, including Rectangular Type Wirewound Resistors (with Glass or Ceramic Core) and Rectangular Type Metal Oxide Film Resistors, are designed for demanding applications. They feature robust construction, excellent anti-pulse and inrush current capabilities, and meet EU RoHS requirements. These resistors are suitable for general industrial use, with specific precautions advised for automotive, medical, and aerospace applications.
Product Attributes
- Brand: KOA (implied by www.koaglobal.com)
- Certifications: EU RoHS compliant
- Core Material: Glass (BGR), Ceramic (BWR)
- Technology: Wirewound (BGR, BWR), Metal Oxide Film (BSR)
- Terminal Plating: SnCu (C), Sn (T)
Technical Specifications
| Type | Power Rating (W) | Resistance Range () | Tolerance | Weight (g/1pcs) | Max. Working Voltage (V) | Max. Overload Voltage (V) | T.C.R. (10-6/K) | Operating Temp. Range () |
|---|---|---|---|---|---|---|---|---|
| BWR1 | 1 | 156 (F), 0.2275 (G, J, K), 0.175 (S) | 1%, 2%, 5%, 10% | 1.3 (S) | E = PR | E = PR10 | 100 | -40 ~ +155 |
| BWR2 | 2 | 1160 (F), 0.22200 (G, J, K), 0.1200 (S) | 1%, 2%, 5%, 10% | 2.1 (S) | 250 | 500 | 300 | -40 ~ +155 |
| BWR3 | 3 | 1300 (F), 0.22390 (G, J, K), 0.1390 (S) | 1%, 2%, 5%, 10% | 3.9 (S) | 300 | 600 | 300 | -40 ~ +155 |
| BWR5 | 5 | 1300 (F), 0.22390 (G, J, K), 0.1390 (S) | 1%, 2%, 5%, 10% | 5.1 (S) | 350 | 700 | 250 | -40 ~ +155 |
| BWR7 | 7 | 1360 (F), 0.22390 (G, J, K), 0.1390 (S) | 1%, 2%, 5%, 10% | 7.5 (S) | 500 | 1000 | 250 | -40 ~ +155 |
| BWR10 | 10 | 1390 (F), 0.22390 (G, J, K), 0.1390 (S) | 1%, 2%, 5%, 10% | 10.2 (S) | 700 | 1400 | 250 | -40 ~ +155 |
| BWR15 | 15 | 1390 (F), 0.22390 (G, J, K), 0.1390 (S) | 1%, 2%, 5%, 10% | 18.8 (S) | 700 | 1400 | 250 | -40 ~ +155 |
| BWR20 | 20 | 1390 (F), 0.22390 (G, J, K), 0.1390 (S) | 1%, 2%, 5%, 10% | 23.3 (S) | 750 | 1500 | 250 | -40 ~ +155 |
| BGR5 | 5 | 10390 (F), 0.399.1 (G, J, K) | 1%, 2%, 5%, 10% | 6.1 (F) | E = PR | E = PR10 | 100 | -40 ~ +70 |
| BGR7 | 7 | 10390 (F), 0.399.1 (G, J, K) | 1%, 2%, 5%, 10% | 8.2 (F) | E = PR | E = PR10 | 100 | -40 ~ +70 |
| BGR10 | 10 | 10390 (F), 0.399.1 (G, J, K) | 1%, 2%, 5%, 10% | 11.0 (F) | E = PR | E = PR10 | 100 | -40 ~ +70 |
| BGR15 | 15 | 10390 (F), 0.519.1 (G, J, K) | 1%, 2%, 5%, 10% | 18.8 (F) | 700 | 1400 | 250 | -40 ~ +70 |
| BGR20 | 20 | 10390 (F), 0.519.1 (G, J, K) | 1%, 2%, 5%, 10% | 22.3 (F) | 750 | 1500 | 250 | -40 ~ +70 |
| BGR30 | 30 | 10390 (F), 2.29.1 (G, J, K) | 1%, 2%, 5%, 10% | - | - | - | 250 | -40 ~ +70 |
| BGR40 | 40 | 10390 (F), 2.29.1 (G, J, K) | 1%, 2%, 5%, 10% | - | - | - | 250 | -40 ~ +70 |
| BSR2 | 2 | 43013k (F) | 1% | 2.1 (S) | 250 | 500 | 300 | -40 ~ +155 |
| BSR3 | 3 | 43027k (F) | 1% | 3.9 (S) | 300 | 600 | 300 | -40 ~ +155 |
| BSR5 | 5 | 43051k (F) | 1% | 5.1 (S) | 350 | 700 | 250 | -40 ~ +155 |
| BSR7 | 7 | 43056k (F) | 1% | 7.4 (S) | 500 | 1000 | 250 | -40 ~ +155 |
| BSR10 | 10 | 43075k (F) | 1% | 10.2 (S) | 700 | 1400 | 250 | -40 ~ +155 |
| BSR15 | 15 | 43056k (F) | 1% | 18.8 (S) | 700 | 1400 | 250 | -40 ~ +155 |
| BSR20 | 20 | 43056k (F) | 1% | 23.3 (S) | 750 | 1500 | 250 | -40 ~ +155 |
| Type | Dimensions (mm) L | Dimensions (mm) W | Dimensions (mm) H | Dimensions (mm) P | Dimensions (mm) D | Dimensions (mm) t | Dimensions (mm) d | Dimensions (mm) |
|---|---|---|---|---|---|---|---|---|
| BGR5TX, BSR5TX, BGR5TY, BSR5TY, BGR5TYS, BSR5TYS | 27 | 9.51 | 9.5 | 15 | - | - | - | - |
| BGR7TX, BSR7TX, BGR7TY, BSR7TY, BGR7TYS, BSR7TYS | 35 | - | 22.5 | - | - | - | - | - |
| BGR10TX, BSR10TX, BGR10TY, BSR10TY, BGR10TYS, BSR10TYS | 48 | - | 35 | - | - | - | - | - |
| BGR15TX, BSR15TX | - | 12.51.5 | 12.5 | 32.5 | - | - | - | - |
| BGR20TX, BSR20TX | 63.5 | - | 47.5 | - | - | - | - | - |
| BWR1C | 131.0 | 5.51.0 | 5.51.0 | - | - | - | 0.6 | 30 |
| BWR2C, BSR2C | 181.5 | 6.31.0 | 6.31.0 | - | - | - | 0.8 | 35 |
| BWR3C, BSR3C | 221.5 | 8.01.0 | 8.01.0 | - | - | - | - | - |
| BWR5C, BSR5C | - | 9.51.0 | 9.51.0 | - | - | - | - | - |
| BWR7C, BSR7C | 351.5 | - | - | - | - | - | - | - |
| BWR10C, BSR10C | 481.5 | - | - | - | - | - | - | - |
| BWR15C, BSR15C | 12.51.2 | 12.51.2 | - | - | - | - | - | - |
| BWR20C, BSR20C | 12.51.5 | 12.51.5 | - | - | - | - | - | - |
| BWR5CP | 231.5 | 9.5 | 9.5 | 20 | - | - | - | - |
| BWR2CN, BSR2CN | - | 11 | 7 | 20.5 | 5 | - | - | - |
| BWR3CN, BSR3CN | - | 12 | 8 | 25 | - | - | - | - |
| BWR5CN, BSR5CN | - | 13 | 9 | 25.5 | - | - | - | - |
| BWR7CN, BSR7CN | - | - | - | 38.5 | - | - | - | - |
| BWR10CN, BSR10CN | - | 16 | 12 | 35 | 7.5 | - | - | - |
| BWR5CE, BSR5CE | - | 9.5 | 9.5 | 23.5 | 5 | - | - | - |
| BGR10TH, BSR10TH | 481.5 | 9.51.0 | 9.51.0 | - | - | - | - | - |
| BGR15TH, BSR15TH | 12.51.2 | 12.51.5 | - | - | - | - | - | - |
| BGR20TH, BSR20TH | 63.52 | - | - | - | - | - | - | - |
| BGR30TH | 752.5 | 401.2 | 10.0 | 19.01.5 | 7.5 | - | - | - |
| BGR40TH | 902.5 | - | - | - | - | - | - | - |
| BGR5TQ, BSR5TQ | 271.5 | 9.51.0 | 9.51.0 | - | - | - | - | - |
| BGR7TQ, BSR7TQ | 351.5 | - | - | - | - | - | - | - |
| BGR10TQ, BSR10TQ | 481.5 | 251.0 | 4.5 | 35.0 | - | - | - | - |
| BGR15TQ, BSR15TQ | 12.51.2 | 12.51.5 | 12.0 | 6.35 | 3.2 | - | - | - |
| BGR20TQ, BSR20TQ | 63.52 | - | - | - | - | - | - | - |
| BGR30TQ | 752.5 | 401.2 | 10.0 | 19.01.5 | 7.5 | - | - | - |
| BGR40TQ | 902.5 | - | - | - | - | - | - | - |
| Performance Test Item | Performance Requirements | R (%) | Test Methods |
|---|---|---|---|
| Resistance | Within specified tolerance | 25 | |
| T.C.R. | Within specified T.C.R. | +25/+125 | |
| Resistance to soldering heat | 1BWR, BSR; 2BGR | 0.8 (BWR), 1.7 (BGR), 0.9 (BSR) | 35010, 3.5s |
| Moisture resistance | 3BWR; 5BGR, BSR | 2.4 (BWR), 2.55 (BGR), 4.5 (BSR) | Power rating1/10, 40, 90%95%RH, 1000h (1.5h ON/0.5h OFF cycle) |
| Endurance at 25 or 70 | 3BWR; 5BGR, BSR | 2.4 (BWR), 4.25 (BGR), 4.5 (BSR) | 25 or 70, rated voltage, 1000h (1.5h ON/0.5h OFF cycle) |
Derating Curve
For resistors operated at or above the rated ambient temperature, power shall be derated in accordance with the provided derating curve.
Temperature Rise (Reference)
Graphs illustrating temperature rise based on power rating ratio and measuring point temperature for various styles (S, N, E, P, X, Y, YS, Z, H, Q, HA, QA, HB, QB).
Precautions for Use
- Ionic impurities can negatively affect moisture resistance and corrosion resistance. Handle, store, and mount with care.
- Pulses including surges may cause disconnection. Consult in advance for usage conditions.
- In AC circuits, inductance or parasitic capacitance may cause abnormal phenomena like oscillation. Consider the dispersion of constants of other components.
2504101957_KOA-BGR30TQY14NH600J_C344212.pdf
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