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 Type BWR1 B R2 B R3 B R5 B R7 B R10 B R15 B R20 BGR30 BGR40 Resistance Range (Ω) E24 F±1% G±2% J±5% K±10% S N E P 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 — — — — — — — 1.3 2.1 3.9 5.1 7.5 10.2 18.8 23.3 — — — — — — — 2.1 3.9 5.1 7.4 10.2 18.8 23.3 — 3.9 5.9 7.2 10.8 15.0 — — — — — — — — — 3.8 5.9 7.2 10.8 15.0 — — — — — 5.7 — — — — — — — — — — — — — 5.7 — — — — — — — 5.6 — — — — — — — — — — — — — — — — — — Power Rating 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 — — Max. Overload Voltage (V) BGR,BWR BSR — 500 600 700 1000 E=√P•R•10 1400 1400 1500 — — X Style & Weight (g/1 piece) Y YS — — — — — — — — — — — — — — — — — — — — — — — — 6.1 7.6 6.6 8.2 9.1 7.8 11.0 12.4 10.4 18.8 — — 22.3 — — — — — — — — — — — — — — 6.1 7.6 6.6 8.2 9.1 7.8 11.0 12.4 10.4 18.5 — — 22.0 — — BWR Z — — — — — — — — 7.6 9.1 11.4 20.5 24.0 — — — — 7.6 9.1 11.4 20.5 24.0 T.C.R. (x10-6/K) BSR — H QA QB — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — 9.9 — 13.6 — — 18.4 18.6 24.4 27.5 24.6 21.9 22.1 27.9 31.0 28.1 59.3 — 73.9 73.5 — 70.4 — 85.0 84.6 — — — — — — — — — — — — — — — — — — — — — 10.9 — 13.7 — — 18.4 — 24.4 27.5 — 21.9 — 27.9 31.0 — — — — — — — — — — — — 27.7 31.3 — — — — — — — — — BGR Q HA HB 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. 162 3/24/14 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 3 Power Rating See table Type BGR: Wirewound (glass core) BWR: Wirewound (ceramic core) BSR: Metal oxide film 1 2 C N Termination1 Material 100 Style C: SnCu Blank: S style2 N: N style E: E style P: P style T: Sn 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 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. J Nominal Resistance F: 4 digits G,J,K: 3 digits Tolerance F: ±1% G: ±2% J: ±5% K: ±10% dimensions and construction S Style 1.5Max. Type BWR1 1.5Max. ød BWR2, BSR2 H P L P BWR3, BSR3 BWR5, BSR5 W BWR7, BSR7 BWR10, BSR10 BWR15, BSR15 N Style W E Style W D 22.0±1.5 35.0±1.5 2 4.5± 1 P Dimensions millimeters W H 5.5±1.0 5.5±1.0 6.3±1.0 6.3±1.0 8.0±1.0 8.0±1.0 9.5±1.0 9.5±1.0 P D 30.0±3.0 0.6±0.1 35.0±3.0 0.8±0.1 48.0±1.5 63.5±1.5 Type BWR2N, BSR2N BWR10N, BSR10N 2 4.5± 1 1MAX. 18.0±1.5 BWR5N, BSR5N BWR7N, BSR7N P ø 0.8±0.1 13.0±1.0 BWR3N, BSR3N H H D BWR20, BSR20 L BWR5E, BSR5E 12.5±1.2 12.5±1.2 12.5±1.5 12.5±1.5 W 11.0±1.0 Dimensions millimeters D H P 7.0±1.0 20.5±1.5 8.0±1.0 25.0±1.5 13.0±1.0 9.0±1.0 25.5±1.5 38.5±1.5 16.0±1.0 12.0±1.0 35.0±1.5 7.5 -1+2 9.5±1.0 9.5±1.0 23.5±1.5 5.0 -1+2 12.0±1.0 Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 5.0 -1+2 2/11/15 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 163 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 (15W, 20W) L Y Style L YS Style W H BGR7X, BSR7X, BGR7Y, BSR7Y, BGR7YS, BSR7YS 27.0±1.5 BGR10X, BSR10X, BGR10Y, BSR10Y, BGR10YS, BSR10YS BGR15X, BSR15X 9.5±1.0 H 2 1 5.0 1.5 0.5 2±0.4 1.5±0.2 30± 0.85±0.1 1.1±0.1 Q Style 10±0.3 7.3±0.3 W1 t BGR7Z, BSR7Z BGR10Z, BSR10Z BGR15Z, BSR15Z 35.0±1.5 63.5±1.5 12.5±1.0 BGR20H, BSR20H BGR30H BGR40H BGR15Q BGR20Q 48.0±1.5 25.0±1.0 63.5±2.0 75.0±2.5 40.0±1.2 90.0±2.5 48.0±1.5 63.5±2.0 25.0±1.0 L1 4.5 4.5±0.5 9.5±1.0 12.5±1.0 22.5 +6 -2 35.0 +6 -2 32.5 +4 -0 47.5 +4 -0 H2 H2 1±0.5 H H BGR15H, BSR15H L1 0.75 9.5±1.0 +6 -2 R0.65 1±0.5 BGR10H, BSR10H L P 15.0 W1 (P) L2 W W L L Type 20 48.0±1.5 BGR20Z, BSR20Z L1 L2 (P) 27.0±1.5 t øh1 L1 H1 –– Dimensions millimeters H L W BGR5Z, BSR5Z H1 (P) 9.5±1.5 H1 H Style P 9.5±1.5 Type W 5±0.5 2 1 22± 4.5±0.5 P 23.0±1.5 Dimensions millimeters W H H3 H 15±3 BWR5P 1±0.5 H 1±0.5 L 3.5 L 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) t 0.5 47.5±1.5 Type W 1.5±0.4 1±0.2 22.5±1.5 12.5±1.0 63.5±1.5 ø1±0.1 (5P,10P: ø0.8) 0.5 t 0.5 0.85±0.1 0 35.0±1.5 32.5±1.5 48.0±1.5 (P) W 1.6±0.2 1.4±0.2 0.85±0.1 15.0±1.5 35.0±1.5 BGR20X, BSR20X L 0.75 0.7 BGR5X, BSR5X, BGR5Y, BSR5Y, BGR5YS, BSR5YS 0.5 0 Dimensions millimeters L W, H P Type Z Style (5W, 10W) 4.5±0.5 7±0.5 1.6±0.2 1.4±0.2 1.0 4.5±0.5 3±0.2 2.7±0.2 H1 2 1 7.3±0.5 7.5±0.3 0.5 5±0.3 H1 10± 2 P 7 P 10±0.5 P Style 2 P P t 0.4 1.6±0.1 W 25± 1 15±1.5 2 10± 1 0.5 P 1.4±0.1 L H W H H 1±0.5 W 3.2 X Style (5W, 10W) dimensions and construction (continued) W 9.5±1.0 7.0 12.5±1.2 10.0 19.0±1.5 7.0 12.5±1.2 W1 5 6 Dimensions millimeters H1 H 9.5±1.0 6.0 -0+2 12.5±1.5 7.5 -0+2 7.5 19.0±1.5 10.0 4.75 12.5±1.5 12.0 -0+2 +2 -0 H2 16.5 -1+2 21.0 -1+2 30.0 H3 35 t 0.4 32.5 –– 6.35 øh1 2.0 2.5 47.5 56 71 +2.5 -1.5 25.0 -1+2 (P) 0.5 32.5 47.5 3.0 –– Parenthesized dimensions are for reference. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 164 2/11/15 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) HA, QA Style HB, QB Style Type P3 (P2) P3 (P2) BGR10HA, BSR10HA W3 ø4.2 (10W: ø4) (W2) W3 ø4.2 (W2) t1 K K BGR15HA, BGR15HA, BGR15QA BGR15HB, BSR15HB, BGR15QB BGR20HA, BSR20HA, BGR20QA BGR20HB, BSR20HB, BGR20QB BGR30HA, BGR30HB BGR40HA, BGR40HB (P2) Dimensions millimeters P3 (W2) W3 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 Parenthesized dimensions are for reference. t1 Derating Curve 5w 3w 150 2w 100 150 20w 15w 10w 7w 5w 3w 2w 100 50 50 100 Power Rating (%) 50 X Style 50 100 Power Rating (%) Y Style Measuring Point 10w 7w 5w 100 20w 15w 50 0 Z Style 50 100 Power Rating (%) Temperature Rise (C°) Temperature Rise (C°) 150 150 Measuring Point 100 50 10w 7w 5w 0 H Style 50 0 20w 15w 10w 7w 5w 50 100 Power Rating (%) Temperature Rise (C°) Temperature Rise (C°) 100 10w 7w 5w 3w 2w 50 200 100 50 0 50 100 Power Rating (%) Measuring Point 100 10w 7w 5w 50 0 50 100 Power Rating (%) 100 1W~10W 80 40w 30w 20w 15w 10w 15W~40W 60 40 100 0 150 50 100 Power Rating (%) Measuring Point 300 50 100 Power Rating (%) A B 150 200 200 Measuring 150 Point B YS Style 200 A Measuring Point 200 150 0 200 Measuring Point 100 0 0 200 E Style Temperature Rise (C°) Measuring Point Measuring Point Temperature Rise (C°) 200 N Style 200 % Percent rated power Temperature Rise (C°) 250 Temperature Rise (C°) 20w 15w 10w 7w Temperature Rise (C°) S Style 20 0 -40 -20 50 100 Power Rating (%) 0 20 40 25 60 80 100 120 140 160 180 200 220 240 260 280 155 275 Ambient temperature (°C) 70 Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 2/11/15 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 165 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 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 25°C Test Method +25°C/-55°C and +25°C/+125°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. xxx 2/11/15 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com