HIGH-SPEED TRANSIENT SURGE PROTECTORS UNI-IMPS DESCRIPTION CP Clare’s UNI-IMP high-speed transient surge protectors (0.55-20kV) provide the ultimate protection from highenergy, fast-rising transients such as Nuclear EMP. These devices are constructed using a proprietary semiconductor junction process that results in nanosecond response times combined with peak current ratings in excess of 20kA. A unique benefit of this technology is that the breakdown voltage is virtually independent of the rise time of the transient. In addition, the low capacitance of these devices allows for direct placement on highfrequency lines and antenna feeds without excessive loading. APPLICATIONS FEATURES ■ Fast impulse breakdown (≤120% of typical DC breakdown to 200kV/µs) ■ Tight DC breakdown voltage tolerance (±10%) ■ Non-radioactive ■ Low capacitance ■ ■ ■ ■ ■ Antenna feedlines Test equipment Video displays Medical electronics Instrumentation circuits STANDARD VOLTAGES Series DC Breakdown Unit Voltage (typ) UBD UBT and UGT 550 600 V V 650 V 750 V 850 V 1.0 1.2 1.5 2.0 2.5 3.0 4.0 4.0 5.0 6.0 7.5 10.0 12.0 15.0 20.0 kV kV kV kV kV kV kV kV kV kV kV kV kV kV kV (See detailed specifications for more information.) www.cpclare.com 561 HIGH-SPEED TRANSIENT SURGE PROTECTORS UNI-IMPS SPECIFICATIONS All characteristics at 25˚C PARAMETER UBD-550 CONDITIONS SYMBOL MIN TYP UBD-600 UBD-650 MAX MIN TYP MAX MIN TYP MAX UNITS Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5kV/µs 100V 1MHz V BD Vbd IR C 495 1010 - 550 - 605 660 20.0 540 1010 - 600 - 660 720 20.0 585 1010 - 650 - 715 780 20.0 V V Ω pF 3kA (PW=15µs) - 330 - - 420 - - 500 - - surges MAX MIN TYP MAX MIN TYP MAX UNITS Life Ratings Surge Life UBD-750 PARAMETER CONDITIONS SYMBOL MIN TYP UBD-850 UBD-1.0 Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5kV/µs 100V 1MHz V BD Vbd IR C 675 1010 - 750 - 825 900 20.0 765 1010 - 850 - 935 1020 20.0 900 1010 - 1000 - 1100 1200 15.0 V V Ω pF 660 - - 830 - - 1080 - - surges MAX MIN TYP MAX MIN TYP MAX UNITS 1.32 1.44 15.0 1.35 1010 - 1.50 - 1.65 1.80 15.0 1.80 1010 - 2.00 - 2.20 2.40 10.0 kV kV Ω pF - 1900 - - 2400 - - surges MAX MIN TYP MAX MIN TYP MAX UNITS 2.75 3.00 10.0 2.70 1010 - 3.00 - 3.30 3.60 5.0 3.60 1010 - 4.00 - 4.40 4.80 5.0 kV kV Ω pF - 2400 - - 2400 - - surges Life Ratings Surge Life 3kA (PW=15µs) UBD-1.2 PARAMETER CONDITIONS SYMBOL MIN TYP UBD-1.5 UBD-2.0 Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5kV/µs 100V 1MHz V BD Vbd IR C 3kA (PW=15µs) - 1.08 1.20 1010 - Life Ratings Surge Life 1410 - UBD-2.5 PARAMETER CONDITIONS SYMBOL MIN TYP UBD-3.0 UBD-4.0 Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5kV/µs 100V 1MHz V BD Vbd IR C 3kA (PW=15µs) - 2.25 2.50 1010 - Life Ratings Surge Life 2400 - UBT-4.0 UGT-4.0 PARAMETER CONDITIONS SYMBOL MIN TYP UBT-5.0 UGT5.0 UBT-6.0 UGT-6.0 MAX MIN TYP MAX MIN TYP MAX UNITS 4.40 4.80 5.0 4.50 1010 - 5.00 - 5.50 6.00 3.0 5.40 1010 - 6.00 - 6.60 7.20 3.0 kV kV Ω pF - 1300 - - 1300 - - surges Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5kV/µs 100V 1MHz V BD Vbd IR C 10kA (PW=5µs) - 3.60 4.00 1010 - Life Ratings Surge Life North America: 1-800-CPCLARE 562 Europe: 32-11-300868 1300 - Asia: 886-2-2523-6368 Japan: 81-3-3980-2212 HIGH-SPEED TRANSIENT SURGE PROTECTORS UNI-IMPS SPECIFICATIONS UBT-7.5 UGT-7.5 All characteristics at 25˚C PARAMETER CONDITIONS SYMBOL MIN TYP UBT-10.0 UGT-10.0 UBT-12.0 UGT-12.0 MAX MIN TYP MAX MIN TYP MAX UNITS 8.25 4.8 5.0 9.0 1010 - 10.0 - 11.0 6 3.0 10.8 1010 - 12.0 - 13.2 7.2 3.0 kV kV Ω pF - 1300 - - 1300 - - surges Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5KV/µs 100V 1MHz VBD Vbd IR C 10kA (PW=5µs) - 6.75 7.50 1010 - Life Ratings Surge Life 1300 - UBT-15.0 UGT-15.0 PARAMETER CONDITIONS SYMBOL MIN TYP UBT-20.0 UGT-20.0 MAX MIN TYP MAX UNITS 16.5 18.0 2.0 18.0 1010 - 20.0 - 22.0 24.0 2.0 kV kV Ω pF - 1300 - - surges Device Specifications DC Breakdown Impulse Breakdown Insulation Resistance Capacitance 100V/s 5KV/µs 100V 1MHz VBD Vbd IR C 10kA (PW=5µs) - 13.5 15.0 1010 - Life Ratings Surge Life 1300 - MECHANICAL DIMENSIONS DIMENSIONS mm (inches) UGT SERIES UBT SERIES 7.94 ± 1.59 (0.312 ± 0.063) 7.94 ± 1.59 (0.312 ± 0.063) 7.94 ± 1.59 (0.312 ± 0.063) 7.94 ± 1.59 (0.312 ± 0.063) 14.22 ± 0.79 DIA. (0.560 ± 0.031) 14.96 ± 0.79 DIA. (0.589 ± 0.031) 54.28 ± 1.59 (2.137 ± 0.063) 30.16 ± 1.59 (1.187 ± 0.063) ORDERING INFORMATION UNI-IMPS with other breakdown voltages in the 0.55 to 20kV range are available on request. All UNI-IMPs are available with .360 O.D. endcaps. UGTs are also available with .250 O.D. endcaps. UBDs are available with a threaded male termination (#8-20) on one end. UBD SERIES 6.32 ± 1.59 (0.249 ± 0.063) 14.29 ± 1.59 (0.562 ± 0.063) 14.96 ± 0.79 DIA. (0.589 ± 0.031) A complete part number is represented by the digits below. Breakdown voltages are expressed in Volts for devices <1000V and kV for devices ≥1kV. For example, UBD-550 is a 550V UBD series device, and UBT-10.0 is a 10kV UBT series device. UBT- X.X UBT-XX.X UGT- X.X UGT-XX.X 20.64 ± 1.59 (0.812 ± 0.063) Series UBD UBT UGT for 4.0-9.0kV for 10.0-20.0kV for 4.0-9.0kV for 10.0-20.0kV Breakdown Voltage See specifications tables www.cpclare.com 563