Low Profile Power Resistor Type CJB Series Type CJB Series Characteristics Electrical The CJB range of power resistors are aluminium housed and wirewound, designed to withstand high adiabatic pulses in a compact package. These devices offer a high power dissipation capacity with the appropriate heatsink and superior environmental protection (IP64). Tyco can test resistors to conform Power Rating Free Air (W): Power Rating Mounted on Heatsink (W): Maximum Case Temperature (C): Stability at Rated Power (1000hrs): Resistance Range (): Tolerances Available: Insulation Resistance @ 500V (G): Isolation Voltage (1 minute ACrms): Series Inductance @ 10kHz (mH): Capacitance Terminal to Case @ 10kHz (pF): Operating Temperature (C): Overload Rating: Overload Rating: Terminations: Storage Temperature (C): IP Rating: Case Finish: Heat Dissipation: to relevant international MIL and customer specifications and will advise on the use of resistors for CJB250 100 250 CJB500 150 500 CJB750 200 750 CJB1000 250 1000 270 6.5% 1 - 30 1 - 60 1 - 100 1 - 130 5%, 10% >1.0 2.5kV <2.5 <4.5 <5.0 <13.0 <200 <300 <400 <500 -40 to +70 20x Rated Power For 1 Second Every Minute 4x Rated Power For 5 Seconds Every Minute Silicone Coated Flying Leads -40 to +270 64 Natural Anodised Although the use of proprietary heat sinks with lower thermal resistance is acceptable, up rating is not recommended. The use of proprietary heat sink compound to improve thermal conductivity is essential. pulse applications. Key Features High Power Dissipation * 1000W for under 1kg Low Profile * Fits where other resistors don't Dimensions L2 L3 IP64 Environmental Protection * Worldwide use in any industry High Pulse Capability * Fits todays dynamic braking requirements Overload 20 times rated power * Providing a size and cost effective solution 72.0 Applications Braking Capacitor Charging & Discharging Crowbar Filter Power Supplies Electrical Machinery Literature No. 1773034 Issued: 11-05 Dimensions are shown for reference purposes only. L3 o4.8 15 60.0 L1 Type L1 L2 CJB250 110 90 - CJB500 190 170 85 CJB750 270 250 125 CJB1000 350 330 165 Dimensions are in millimetres unless otherwise specified. L3 Specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com Low Profile Power Resistor Type CJB Series Derating Curves 1100 CJB1000 1000 900 800 CJB750 Power (W) 700 600 CJB500 500 400 300 CJB250 200 100 0 0 50 100 150 200 250 300 Heatsink Temp. (degC) Pulse Energy Adiabatic Pulse Power (Duration <0.2sec) 12000 CJB1000 10000 8000 Energy (J) CJB750 6000 CJB500 4000 2000 CJB250 0 0 50 100 150 Resistance (Ohms) How to Order CJB 250 2RO J Common Part Power Rating Resistance Value Tolerance 1ohm (1000 mille ohms) 1R0 J - 5% 250 CJB - Low Profile Power Resistor 500 750 K - 10% 1000 Literature No. 1773034 Issued: 11-05 Dimensions are shown for reference purposes only. Dimensions are in millimetres unless otherwise specified. Specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com