RB Series. Resistance range (Ohm) 415x1 RB K K. 930x1.5 RB K. 995x3 RB x3 RB K K.

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1 EN 21 Produkt dostpny w sklepie < kliknij RB SERIES 9 Fixed power wirewound resistors aluminium housed 1 W to 25 W FIXED POWER WIREWOUND RESISTORS ALUMINIUM HOUSED FEATURES Extruded aluminium housing provides superior heat conduction. Housing deep finned for maximum heat dissipation at natural or forced air convection. RB Series Gold anodized finish for maximum resistance to environmental conditions. Special thermosetting compound with high thermal conductivity. Winding designed to give maximum core coverage and uniformity for even heat dissipation. Core centerless ground for maximum winding uniformity. Marking at top surface for easy identification after mounting. Complete welded construction terminal to terminal. These resistors meet or exceed the requirements of MILPRF18546 G specifications. Specifications ELECTRICAL SPECIFICATIONS Ohmic values Serie E24. For out of range or not standard ohmic values, consult ATE Technical Dept. Tolerance Standard 5%. Available on request up to 1%. Temperature coefficient ±3 ppm R > 2 Ohm ±5 ppm 1 Ohm < R < 2 Ohm ±1 ppm.1 Ohm < R < 1 Ohm Dielectric strength 15 Vac for RB1 25 Vac for RB25 and RB5 35 Vac for RB75, RB11 and RB15 45 Vac for RB1 and RB25 Insulation resistance 1 MOhm minimum 1 MOhm after moisture test Overload 5s at 5 times rated power Non inductive Models of equivalent physical and electrical specifications are also available with non inductive AyrtonPerry winding MECHANICAL SPECIFICATIONS Terminal strength 1 lb. pull test; 3 Nm x RB1 and 4 Nm x RB25 max torque Solderability Satisfactory when tested in accordance with method 28 of MILSTD22. The use of high temperature solder is recommended when resistors work near the maximum specified ratings MATERIALS Core Ceramic steatite or alumina centerless ground Resistive Element Coppernickel alloy or nickelchrome alloy with specific temperature coefficient End caps Stainless steel Encapsulant High temperature thermosetting compound Housing Aluminium with hard anodic finish Standard terminals Copperweld RB1 to RB15 Stainless steel for RB1 and RB25 DERATING ATE RB resistors have and operative temperature range from 55 C to +25 C Derating is required for reduced chassis area and for high ambient temperature ATE Type MILPRF G Type Rated power (W) Max power no heatsink (W) Resistance range (Ohm) Voltage limit (V) Temp. rise with heatsink (W) Weight (g) Heatsink dimensions (cm² x mm) RB1 RE K x1 RB25 RE K x1 RB5 RE K x1.5 RB K x3 RB K x3 RB K x3 RB1 RE K x3 RB25 RE K x3

2 Produkt dostpny w sklepie < kliknij 1 RB SERIES EN 21 Fixed power wirewound resistors aluminium housed 1 W to 25 W F L only RB15 L only RB25 L N RB1 RB25 RB5 G A N RB75 RB11 RB15 G A N RB1 RB25 G A J F E B J F only RB15 = E = B J F M E only RB25 B D D D C H K C H K C H K ATE Type Dimensions (mm) A B C D E F G H J K L M N Ø RB RB RB RB RB RB RB M5 RB M6 Tol. ±.2 ±1 ±.2 ±.2 ±.5 ±.2 ±.2 ±.2 ±.5 ±.2 ±.2 ±.2 ±.2 ±.2

3 Produkt dostpny w sklepie < kliknijut1 Rev. 2 22/1/28 RB MASSIMA POTENZA VS. TEMPERATURA DISSIPATORE RB DERATING CURVES RB1 Derating 15 12,5 Power (W) 1 7,5 5 2, Heatsink Temperature ( C) Heatsink dimensions: 415cm 2 x 1mm RB25 Derating 3 25 Power (W) Heatsink Temperature ( C) Heatsink dimensions: 535cm 2 x 1mm The use of heat conductive grease / paste is recommended between the resistor case and heatsink. Further derating has to be applied for reduced heatsink / chassis area. Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 1 of 4

4 Produkt dostpny w sklepie < kliknijut1 Rev. 2 22/1/28 RB MASSIMA POTENZA VS. TEMPERATURA DISSIPATORE RB DERATING CURVES RB5 Derating 6 5 Power (W) Heatsink Temperature ( C) Heatsink dimensions: 93cm 2 x 1,5mm RB75 Derating Power (W) Heatsink Temperature ( C) Heatsink dimensions: 995cm 2 x 3mm The use of heat conductive grease / paste is recommended between the resistor case and heatsink. Further derating has to be applied for reduced heatsink / chassis area. Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 2 of 4

5 Produkt dostpny w sklepie < kliknijut1 Rev. 2 22/1/28 RB MASSIMA POTENZA VS. TEMPERATURA DISSIPATORE RB DERATING CURVES RB11 Derating 12 1 Power (W) Heatsink Temperature ( C) Heatsink dimensions: 995cm 2 x 3mm RB15 Derating Power (W) Heatsink Temperature ( C) Heatsink dimensions: 995cm 2 x 3mm The use of heat conductive grease / paste is recommended between the resistor case and heatsink. Further derating has to be applied for reduced heatsink / chassis area. Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 3 of 4

6 Produkt dostpny w sklepie < kliknijut1 Rev. 2 22/1/28 RB MASSIMA POTENZA VS. TEMPERATURA DISSIPATORE RB DERATING CURVES RB1 Derating Power (W) Heatsink Temperature ( C) Heatsink dimensions: 93cm 2 x 3mm RB25 Derating 3 25 Power (W) Heatsink Temperature ( C) Heatsink dimensions: 93cm 2 x 3mm The use of heat conductive grease / paste is recommended between the resistor case and heatsink. Further derating has to be applied for reduced heatsink / chassis area. Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 4 of 4

7 Produkt dostpny w sklepie < kliknijut4 Rev. 2 22/11/26 CARICHI IMPULSIVI PER RESISTORI CS E RB PULSE LOAD CAPABILITY FOR CS AND RB RESISTORS 1s t 1s RESISTORI CS / CS RESISTORS 24 A: 2CS, 3CS B: 5CS, 6CS, 7CS, 1CS, 12CS B k Pn A, Time (s) RESISTORI RB / RB RESISTORS A: RB1, RB25, RB5, RB75, RB11, RB15 B: RB1, RB k Pn A B, Time (s) Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 1 of 1

8 Produkt dostpny w sklepie < kliknijut5 Rev. 2 1/6/26 CARICHI IMPULSIVI PER RESISTORI CS E RB PULSE ENERGY FOR CS AND RB RESISTORS 1 6 s t 1s RESISTORI RB / RB RESISTORS Per valutare l energia massima che un resistore RB può sopportare per tempi compresi tra 1 6 s e 1s occorre tracciare una retta tra l energia adiabatica tipica per ogni valore ohmico (UT23, [punti ]) e l energia corrispondente a 1s (1Pn, [punti ]). In figura è riportato l esempio per il valore 1Ω. To value maximum load capability of a RB resistor, for application between 1 6 s and 1s, you have to draw a line that starts with the adiabatic energy of your ohmic value (UT23, [points ]) and ends with the energy load for 1s (1Pn, [points ]). The graph shows the1ω example. 1. Pulse Energy (J) 1. 1 RB25 RB1 RB15 RB11 RB75 RB5 RB25 RB E6 1E6 1E6 1E3 1E3 1E3 1E+ Time (s) Il grafico è valido per i resistori standard; per avvolgimenti particolari e antinduttivi, o per impulsi ripetuti nel tempo, consultare il supporto tecnico. The graph is valid for standard resistors; for special applications and non inductive winding, or for repetitive pulses, ask to the technical support. Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 2 of 2

9 Produkt dostpny w sklepie < kliknijut7 Rev. 1 22/1/28 DATI TERMICI PER RESISTORI CS E RB THERMAL DATA FOR CS AND RB RESISTOR Resistore Resistor Potenza max. Temp. sup. Temperatura filo Costante tempo Aumento Temp. Maximum Power Hot spot Wire temp. Time constant Temperature rise (W) ( C), amb.=25 C ( C), amb.=25 C (s) ( C/W) RESISTORI CS CS RESISTOR 2CS CS CS CS CS CS CS RESISTORI RB, SU PANNELLO STANDARD RB RESISTOR ON STANDARD HEATSINK RB ,1 RB , RB ,9 RB ,1 RB , RB , RB ,84 RB ,66 RESISTORI RB, SENZA PANNELLO RB RESISTOR WITHOUT HEATSINK RB RB25 12, RB RB , RB , RB , RB ,2 RB ,4 Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 1 of 1

10 Produkt dostpny w sklepie < kliknijut8 Rev. 1 5/4/27 RESISTORI RB: RISCALDAMENTO IN FUNZIONE DEL TEMPO RB RESISTORS: HEATING VERSUS TIME RESISTORI MONTATI SU DISSIPATORE STANDARD RESISTORS MOUNTED ON STANDARD HEATSINK RB15 14 RB11 Temp. ( C) RB1 RB25 RB5 RB time (min.) Temp. ( C) RESISTORI NON MONTATI SU DISSIPATORE RESISTORS WITHOUT HEATSINK RB1 RB time (min.) RB5 RB75 RB15 RB11 Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 1 of 2

11 Produkt dostpny w sklepie < kliknijut8 Rev. 1 5/4/27 RESISTORI RB: RISCALDAMENTO IN FUNZIONE DEL TEMPO RB RESISTORS: HEATING VERSUS TIME Temp. ( C) RESISTORI MONTATI SU DISSIPATORE STANDARD RESISTORS MOUNTED ON STANDARD HEATSINK time (min.) RB25 RB1 Temp. ( C) RESISTORI NON MONTATI SU DISSIPATORE RESISTORS WITHOUT HEATSINK time (min.) RB1 RB25 Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 2 of 2

12 Produkt dostpny w sklepie < kliknij RB VALORI INDUTTANZA PARASSITA RB PARASITIC INDUCTANCE VALUES UT2 Rev. 2/1/25 Type Value Ω RB1 RBN1 RB25 RBN25 RB5 RBN5 RB75 RBN75 RB11 RBN11 RB15 RBN15 RB1 RBN1 RB25 RBN25 R1,27,23,32,27,37,32 R22,28,23,32,29,39,32 R33,3,24,33,3,4,32 R47,33,25,39,32,42,35 R68,38,27,42,33,48,37 R1,41,3,5,36,57,4,7,4,62,43,73,44,72,3,61,32 R22,51,31,71,39,86,43,94,45,12,58,123,6,13,41,11,41 R33,6,34,89,42,12,49,115,54,17,63,21,66,18,49,158,48 R47,75,38,132,47,173,57,168,65,2,71,27,72,3,65,26,62 R68,89,39,158,51,23,61.25,71,25,83,5,87,4,82,34,74 1R,17,49,21,55,31,7,4,81,28,95,51,1,55,11,49,97 2R2,148,55,31,66,55,89,41,15,49,129,71,152 1,7,18,82,13 3R3,193,68,41,74,79,12 1,19,125,7,151 1,3,195 1,5,27 1,51,18 4R7,26,8,58,89 1,12,131 1,41,14 1,83,2 1,51,25 2,3,32 2,2,24 6R8,32,82,72,1 1,5,148 2,1,161 2,5,24 1,55,3 3,1,53 2,9,32 1R,43,138,9,12 2,,19 3,4,2 4,4,3 4,5,37 4,3,76 4,1,43 22R,79,2 1,4,2 3,4,2 4,1,27 7,5,38 7,9,51 8,1 1,3 7,8,63 33R 1,2,32 1,9,3 4,9,32 5,6,36 8,4,44 11,4,78 11, 1,97 12,,85 47R 1,98 2,6,42 7,4,45 9,4,5 11,8,57 11,5 1,3 15, 3, 18, 1,2 68R 2,8 3,3,58 9,8,56 12,5,76 12, 1,2 18,4 2,5 24 4, 24 1,5 1R 4,8 4,3 12,,65 13,6 17, , pf 2K5 1 pf 1 pf,5 pf 1 pf 4 pf 8 pf 4 pf 18 pf 3 pf 5K 1 pf 1 pf,5 pf 2 pf 3,8 pf 6 pf 1 pf 1 pf 2 pf 2 pf 1K 2 pf 2 pf 4,9 pf 6 pf 12 pf 12 pf 2 pf 2 pf 2K 2 pf 2 pf 5,2 pf 6 pf 12 pf 12 pf Tutti i valori in tabella sono espressi in µh (1 6 Henry). Possono verificarsi variazioni di circa il 3% sui valori indicati a causa di variazioni della resistività del filo. Strumento di misura: Q Meter HP 4342A, frequenze: 7.96MHz & 25.15MHz Via Scaletta 13, IT194 Giaveno, Italy +39 () () All the above values are expressed in µh (1 6 Henry). Variation of about 3% can be expected from the indicated values due to variation of the wire resistivity. Measurement System: Q Meter HP 4342A, frequencies: 7.96MHz & 25.15MHz info@ateelectronics.com Page 1 of 1

13 MODEL VALUE Ω Produkt dostpny w sklepie < kliknij RB SERIES ENERGY CAPABILITY E ad (Joule) UT23 Rev. 1/6/26 RB1 RB25 RB5 RB75 RB11 RB1 RB15 RB25, ,9 245, ,4 171, ,5 16, ,8 12, ,9 85,9, ,5 96,3,1 15,7 5, ,15 15,1 53, ,6 76, ,22 12,4 34, , ,33 8,3 33, ,47 21,2 26, ,68 17,9 17, ,5 45, ,5 15,1 39,6 84,7 84, ,2 9,9 4,7 55,8 55, ,3 9,27 33, , ,7 8,65 32, ,8 7,86 3, ,76 18, ,55 18,4 67, ,22 14,9 62,1 99, ,2 16,5 6,9 6, ,36 19,9 54,2 54, ,47 16,8 6,5 6,5 78, ,3 13,4 5,3 36,6 95, ,96 14,2 55, 54, ,44 15,4 54,3 4,5 71, ,75 8,6 44, 31,1 81, ,75 7,22 44,4 44,3 62, ,72 5,68 43,5 28,7 64, ,k 1,72 5,85 26,3 42,3 42, , ,5k 1,38 6,2 23,2 39,5 39,5 2 63, ,2k 1,55 3,61 25,1 18,4 58, , ,3k 1,2 5,5 19,2 13,2 27, , 312 4,7k 1,2 2,41 12,2 12, 27, , ,8k 1,2 3,61 11,1 11,1 27, , k 1,3 2,58 16,5 16,5 26,4 83,5 4, k 1,55 2,41 1,8 7,74 14,4 87,2 38, k 2,24 8,8 7,91 16, ,2 88,7 33k 3,44 8,26 5, ,3 23, k 7,74 7,74 11,7 77,7 24, k 7,5 11,1 17,2 1k 1,3 52,2 16,5 52,3 Based on adiabatic formula E ad = m T C, where ΔT = 4 C; m = weight of wire; C = specific heat Via Scaletta 13, IT194 Giaveno, Italy +39 () () info@ateelectronics.com Page 1 of 1

14 Produkt dostpny w sklepie < kliknij MSDS RB25 / RBN25 % Peso tot (g) Peso (g) Ceramic core: Steatite % 1.24 End caps: Stainless steel % % % %.1 Aluminium case: Aluminium % 9.38 Terminals: Tinned copperweld % % % %. Insulation: Epoxy resin % % %.55 Resistive wire: CuNi44 R1 < R < 33R % % NiCr2Al 39R < R < Rmax % % % % % % Wire protection: Silicon coating.1 Alkyl silicone resins 36.% % %.2

15 Produkt dostpny w sklepie < kliknij MSDS RB5 / RBN5 % Peso tot (g) Peso (g) Ceramic core: Steatite % 6.48 End caps: Stainless steel % % % %.1 Aluminium case: Aluminium % 21. Terminals: Tinned copperweld % % % %. Insulation: Epoxy resin % % %.9 Resistive wire: CuNi44 R1 < R < 15R % % NiCr2Al 18R < R < Rmax % % % % % % Wire protection: Silicon coating.18 Alkyl silicone resins 36.% % %.3

16 Produkt dostpny w sklepie < kliknij MSDS RB11 % Peso tot (g) Peso (g) Ceramic core: Steatite % 16.1 End caps: Stainless steel % % % %.4 Aluminium case: Aluminium % 71.2 Terminals: Tinned iron % % % %.1 Insulation: Epoxy resin % % % 3.76 Resistive wire: CuNi44 R1 < R < 18R % % NiCr2Al 2R < R < Rmax % % % % % % Wire protection: Silicon coating.44 Alkyl silicone resins 36.% % %.8

17 Produkt dostpny w sklepie < kliknij SEDE LEGALE ED AMMINISTRATIVA VIA SCALETTA, GIAVENO (TO) TELEFONO : +39/()11/ TELEFAX : +39/()11/ E MAIL : info@ateelectronics.com SITO WEB : C.C.I.A.A. N TRIBUNALE TORINO N / 82 COD. ESPORTAZIONE N. TO PARTITA IVA N. IT COD. FISCALE N CAP. INT. VERSATO EURO 5., UNI EN ISO 91:2 CERTIFICATO N 917.ATEE ISO 91:2 REGISTRATION N IT 272 Maximum pulse voltage 1,2/5µsec. (non repetitive) Axial wire wound resistors CS Type 2kV 3kV 4kV 5kV 6kV 7kV 8kV 9kV 1kV 11kV 12kV 2CS 22R 1R 22R 47R 1K2 3CS 15R 68R 12R 39R 68R 1K5 5CS 4R7 22R 33R 47R 82R 15R 22R 33R 1K 6CS 3R3 1R 22R 39R 68R 1R 15R 22R 33R 56R 82R 7CS 1R5 3R3 6R8R 1R 22R 33R 47R 68R 1R 15R 22R 1CS 1R2 2R7 3R9 6R8 1R 22R 33R 47R 68R 82R 1R 12CS 1R 2R7 3R3 5R6 8R2 15R 22R 33R 47R 68R 82R Power wire wound resistors aluminium housed RB Type 2kV 3kV 4kV 5kV 6kV 7kV 8kV 9kV 1kV 11kV 12kV RB1 15R 68R 12R 39R 68R 1K5 RB25 4R7 22R 33R 47R 82R 15R 22R 33R 1K RB5 1R2 2R7 3R9 6R8 1R 22R 33R 47R 68R 82R 1R Note 1 : The table is effective only for standard resistors, for non inductive applications corresponding resistors are CSNC and RBNC Note 2 : Voltage limit is based on 8V/mm (winding length). 1 / 1