resistors BGR, BWR, BSR rectangular type wirewound resistors with glass core rectangular type wirewound resistors with ceramic core rectangular type metal oxide film resistors EU features • High Power Resistors • Uses flame-retardant insulated ceramic case • Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. • Excellent in anti-pulse and in rush current applications and ratings Type Power Rating BWR1 BWR2 BWR3 BWR5 BWR7 BWR10 BWR15 BWR20 BGR5 BGR7 BGR10 BGR15 BGR20 BGR30 BGR40 BSR2 BSR3 BSR5 BSR7 BSR10 BSR15 BSR20 1W 2W 3W 5W 7W 10W 15W 20W 5W 7W 10W 15W 20W 30W 40W 2W 3W 5W 7W 10W 15W 20W Resistance Range (Ω) E24 F±1% G±2% J±5% K±10% N E 1 - 56 1 - 160 1 - 300 1 - 300 1 - 360 1 - 390 1 - 390 1 - 390 — — — — — — — — — — — — — — 0.22 - 75 0.22 - 200 0.22 - 390 0.22 - 390 0.22 - 390 0.22 - 390 0.22 - 390 0.22 - 390 — — — — — — — — — — — — — — 0.1 - 75 0.1 - 200 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 10 - 390 10 - 390 10 - 390 10 - 390 10 - 390 10 - 390 10 - 390 430 - 13k 430 - 27k 430 - 39k 430 - 56k 430 - 75k 430 - 56k 430 - 56k — — — — — — — — 0.39 - 9.1 0.39 - 9.1 0.39 - 9.1 0.51 - 9.1 0.51 - 9.1 2.2 - 9.1 2.2 - 9.1 — — — — — — — — 3.2 6.0 6.6 10.0 15.2 — — — — — — — — — 3.2 6.0 6.6 10.0 15.2 — — — — — 5.7 — — — — — — — — — — — — — 5.7 — — — — Power Rating Type BWR1 B R2 B R3 B R5 B R7 B R10 B R15 B R20 BGR30 BGR40 Style & Weight (g/1 piece) 1W 2W 3W 5W 7W 10W 15W 20W 30W 40W Max. Working Voltage (V) BSR BGR,BWR — 250 300 350 500 E=√P•R 700 700 750 — — X Y — — — — — — — — — — — — — — — — 6.5 7.2 8.3 9.0 11.5 12.0 18.0 — 23.0 — — — — — — — — — 6.5 7.2 8.3 9.0 11.5 12.0 18.0 — 23.0 — Max. Overload Voltage (V) BGR,BWR BSR — 500 600 700 1000 E=√P•R•10 1400 1400 1500 — — YS Z P — — — — — — — — 6.8 8.5 11.7 — — — — — — 6.8 8.5 11.7 — — — — — — — — — — 6.5 8.3 12.0 18.5 24.0 — — — — 6.5 8.3 12.0 18.5 24.0 — — — 5.6 — — — — — — — — — — — — — — — — — — H Q T.C.R. (x10-6/K) BWR BSR — S HA — — 1.3 — — — 2.1 — — — 3.7 — — — 5.7 — — — 7.7 — — — 11.3 — — — 18.3 — — — 22.5 — — — — — — — — — 10.8 — — 14.5 16.5 16.8 — 22.5 22.0 22.2 — 28.0 59.6 — — 73.5 69.6 — — 83.5 — — 2.1 — — — 3.7 — — — 5.7 — — — 7.7 — 10.8 — 11.3 14.5 16.5 — 18.5 22.5 22.0 — 22.5 28.0 BGR HB QA QB — — — — — — — — — — — — — — — — — — — — — — 25.5 22.8 31.0 28.2 83.8 — 93.8 — — — — — — — — — — — 25.5 — 31.0 — — — — — — — — — — — — 25.8 31.2 — — — — — — — — — Rated Operating Ambient Temperature Temperature Range — +70°C ±100 ±300 -40°C to +155°C ±250 +25°C — — Rated voltage= √Power Rating × Resistance value or Max. working voltage, whichever is lower. Represents the space to designate product type via character G, W, or S. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 146 1/30/11 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com rectangular type wirewound resistors with glass core rectangular type wirewound resistors with ceramic core rectangular type metal oxide film resistors ordering information New Part # BWR Type BGR: Wirewound (glass core) BWR: Wirewound (ceramic core) BSR: Metal oxide film 1 2 3 C Power Rating See table Termination1 Material C: SnCu T: Sn Lead-Free plated terminal symbols. C (SnCu) N, E, S and P styles T (Sn) X, Y, YS, Z, H and Q styles No indication on style means S style. N 100 Style2 T X: X style Y: Y style YS: YS style Z: Z style H: H style Q: Q style HA: HA style HB: HB style QA: QA style QB: QB style C Nil: S style N: N style E: E style P: P style dimensions and construction S Style 1.5Max. 1.5Max. H ød L W Dimensions millimeters W H Type L B R1 13.0±1.0 5.5±1.0 B R2 18.0±1.5 6.3±1.0 6.3±1.0 8.0±1.0 8.0±1.0 9.5±1.0 9.5±1.0 B R3 B R5 22.0±1.5 B R7 35.0±1.5 B R10 B R10 W D H H D R D 30.0±3.0 0.6±0.1 35.0±3.0 0.8±0.1 12.5±1.2 12.5±1.2 12.5±1.5 12.5±1.5 Type W B R2N 11.0±1.0 7.0±1.0 20.5±1.5 B R3N 12.0±1.0 8.0±1.0 25.0±1.5 Dimensions millimeters D H 2 4.5± 1 5.0 -1+2 13.0±1.0 9.0±1.0 25.5±1.5 38.5±1.5 B R10N 16.0±1.0 12.0±1.0 35.0±1.5 7.5 -1+2 P 1MAX. B R5E 9.5±1.0 9.5±1.0 23.5±1.5 5.0 -1+2 Y Style (15W, 20W) W 10±0.5 P YS Style W 7.3±0.5 5±0.3 7±0.5 7.5±0.3 Dimensions millimeters L W, H P B R5X, B R5Y, B R5YS 27.0±1.5 B R7X, B R7Y, B R7YS 35.0±1.5 B R10X, B R10Y, B R10YS 48.0±1.5 B R15X B R20X 63.5±1.5 1.6±0.2 1.4±0.2 0.85±0.1 4.5±0.5 1.6±0.2 1.4±0.2 4.5±0.5 1.0 0.7 Type 0.5 0.5 0.75 3±0.2 2.7±0.2 4.5±0.5 1.6±0.1 H P P 1.4±0.1 2 1 2 P t 0.4 W 25± 1 15±1.5 2 10± 1 0.5 L H L L H H 1±0.5 W 0.75 X Style (5W, 10W) 10± ø 0.8±0.1 P B R5N B R7N 2 P 4.5± 1 F: ±1% G: ±2% J: ±5% K: ±10% 63.5±1.5 E Style W 5.5±1.0 Tolerance 48.0±1.5 B R10 N Style J Nominal Resistance F: 4 digits G,J,K: 3 digits 0.85±0.1 15.0±1.5 9.5±1.0 12.5±1.0 22.5±1.5 35.0±1.5 32.5±1.5 47.5±1.5 Represents the space to designate product type via character G, W, or S. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/05/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 147 resistors BGR, BWR, BSR resistors BGR, BWR, BSR rectangular type wirewound resistors with glass core rectangular type wirewound resistors with ceramic core rectangular type metal oxide film resistors dimensions and construction (continued) P Style (P) 1±0.5 H1 W H1 Z Style (5W, 10W) H 1±0.5 L W P 2 1 30± P 9.5±1.5 –– 20 B R10P 48.0±1.5 9.5±1.5 9.5±1.5 6.5±0.5 44 B R15P B R30P 48.0±1.5 12.5±1.5 12.5±1.5 7.0±0.5 44 75.0±2.5 19.0±1.5 19.0±1.5 10.0±0.5 67 2±0.4 1.5±0.2 3.5 5.0 1.5 0.5 1.5±0.4 1±0.2 0.85±0.1 B R5Z Dimensions millimeters L W, H P 15.0 +6 27.0±1.5 -2 B R7Z 35.0±1.5 B R10Z B R15Z 48.0±1.5 B R20Z 63.5±1.5 Type 10±0.3 7.3±0.3 0.5 H Style 9.5±1.5 5±0.5 2 1 4.5±0.5 22± t 0.5 t 0.5 (P) 23.0±1.5 Parenthesized dimensions are for reference. Please refrain from using these parts as a board-insertion type. * Soldering only does not allow enough joint strength. Additional fixation is recommended. (15W, 20W) W H1 B R5P H L Dimensions millimeters W H L Type H 15±3 ø1±0.1 (5P,10P: ø0.8) 22.5 +6 -2 9.5±1.0 35.0 +6 -2 32.5 +4 -0 12.5±1.0 47.5 +4 -0 1.1±0.1 W1 (P) Q Style W1 (P) 3.2 H2 L1 L2 L2 1±0.5 1±0.5 H H H2 øh1 L1 H3 H1 t H1 R0.65 t W L W L Type Dimensions millimeters L1 L1 L B R10H B R15H B R20H B R30H B R40H BGR15Q BGR20Q 4.5 48.0±1.5 25.0±1.0 48.0±1.5 63.5±2.0 W1 H H1 H2 5 9.5±1.0 6.0 -0+2 16.5 -1+2 H3 7.0 12.5±1.2 6 12.5±1.5 7.5 -0+2 21.0 -1+2 40.0±1.2 10.0 19.0±1.5 7.5 19.0±1.5 10.0 +2 -0 30.0 +2.5 -1.5 25.0±1.0 7.0 12.5±1.2 4.75 12.5±1.5 12.0 -0+2 25.0 -1+2 63.5±2.0 75.0±2.5 90.0±2.5 W 9.5±1.0 (P) t øh1 35 0.4 2.0 32.5 –– 56 71 6.35 2.5 47.5 0.5 32.5 3.0 –– 47.5 Parenthesized dimensions are for reference. HA, QA Style HB, QB Style Type (P2) P3 Dimensions millimeters (W2) W3 K P3 (P2) B R10HA W3 P3 (P2) ø4.2 (10W: ø4) (W2) W3 (W2) t1 ø4.2 B B B B B R15HA, B R15HB, B R20HA, B R20HB, B R30HA, B R15QA R15QB R20QA R20QB R30HB B R40HA, B R40HB K t1 0.6 8.0 6.0±1.0 12.0 3.0±0.3 2.8±0.3 0.8 10.0 8.0±1.0 18.0 3.0±0.3 3.0±0.3 K Parenthesized dimensions are for reference. t1 Represents the space to designate product type via character G, W, or S. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 148 12/30/10 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com rectangular type wirewound resistors with glass core rectangular type wirewound resistors with ceramic core rectangular type metal oxide film resistors dimensions and construction (continued) Derating Curve Measuring Point 5w 3w 150 2w 100 150 20w 15w 10w 7w 5w 3w 2w 100 50 0 50 100 Power Rating (%) 50 0 Measuring Point 10w 7w 5w 100 20w 15w 50 0 3w 2w 50 100 50 Power Rating (%) A B 150 100 50 0 50 100 Power Rating (%) 200 Measuring Point 100 50 10w 7w 5w 0 50 100 Power Rating (%) Z Style 150 10w 7w 5w YS Style 200 Temperature Rise (C°) Temperature Rise (C°) 200 B 200 100 0 Y Style Measuring Point 150 50 100 Power Rating (%) X Style 150 200 Temperature Rise (C°) 200 E Style A Measuring Point Measuring Point Temperature Rise (C°) Temperature Rise (C°) 250 N Style 200 Temperature Rise (C°) 20w 15w 10w 7w Temperature Rise (C°) S Style 150 Measuring Point 100 10w 7w 5w 50 0 50 100 Power Rating (%) 50 100 Power Rating (%) H Style 100 100 20w 15w 10w 7w 5w 50 0 50 100 Power Rating (%) Temperature Rise (C°) Temperature Rise (C°) Measuring 150 Point Measuring Point 300 200 40w 30w 20w 15w 10w 100 0 % Percent rated power 1W~10W 200 80 15W~40W 60 40 20 0 -40 -20 50 100 Power Rating (%) 40 0 20 25 60 70 80 100 120 140 160 180 200 220 240 260 280 155 275 Ambient temperature (°C) environmental applications Performance Characteristics Parameter Resistance Limit Requirement ∆ R ±% Typical Within regulated tolerance T.C.R. Within specified T.C.R. Resistance to Solder Heat 1%: BWR, BSR 2%: BGR Moisture Resistance 3%: BWR, BGR 5%: BSR Endurance @ 70°C 3%: BWR 5%: BGR, BSR — — 0.8%: BWR 1.7%: BGR 0.9%: BSR 2.4%: BWR 2.55%: BGR 4.5%: BSR 2.4%: BWR 4.25%: BGR 4.5%: BSR Test Method 25°C +25°C/-55°C and +25°C/+155°C 350°C ± 10°C for 3.5 seconds Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Rated voltage, 70°C, 1000 hours, 1.5 hours ON/ 0.5 hours OFF cycle Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/30/11 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 149 resistors BGR, BWR, BSR