R28-900-BHL_14 OKAYA | Alldatasheet

Document overview

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Technical content

Features

Applications

  • Quick response for surge.
  • High impulse current capacity.
  • It can withstand alternating current.
  • Excellent insulation resistance and small capacitance.
  • Recommendation of ITU-T conformity.
  • Telephone, PBX, Wireless base station, Optical transmission equipments, CATV transmission equipments, Fire alarm systems and Home security systems.
  • Dimensions Unit: mm UL :UL497B :UL1449 E139599 E332107 Safety Standard File No. 25min. 25min. φ 1.0 +0.2 -0.1 φ 8.0±0.25A±0.2 Model Number R28-†††-BHL R28-†††-BJL R28-†††-BKL A 5.7 6.05 7.5 Electrical Specifications (High Voltage Type) R28-801-BHL R28-102-BHL R28-152-BHL R28-242-BJL R28-302-BKL R28-362-BKL R28-402-BKL R28-452-BKL 800V±20% 1,000V±20% 1,500V±20% 2,400V±20% 3,000V±20% 3,600V±20% 4,000V±20% 4,500V±20% Model Number AC1,250V 3s AC1,500V 60s AC1,800V 3s AC2,000V 60s (Conforms to ITU-T) DC Sparkover Voltage 500V/s (V) Impulse Discharge Current 8/20μs (A) 10,000 Impulse Life Test 8/20μs 1,000A (times) 300 10 4 1.5 Insulation Resistance min. (MΩ) Capacitance max. (pF) Withstand Voltage test Electrical Specifications (Low Voltage Type) R28-900-BHL R28-151-BHL R28-231-BHL R28-251-BHL R28-301-BHL R28-351-BHL R28-401-BHL R28-471-BHL R28-601-BHL 90V±20% 150V±20% 230V±20% 250V±20% 300V±20% 350V±20% 400V±20% 470V±20% 600V±20% 450 500 600 650 750 800 900 1,300 Model Number DC Sparkover Voltage 100V/s~2,000V/s (V) Safety Standard Impulse Sparkover Voltage 100V/μs (V) Impulse Discharge Current 8/20ms (A) 10,000 Alternating Discharge Current 50Hz, 1s 10 times (A) Impulse Life Test 10/1,000μs 100A (times) 300 10 4 1.5 Capacitance max. (pF) Insulation Resistance min. (MΩ) Ο Ο Ο Ο Ο Ο Ο Ο Ο UL 497B UL 1449 Safety Standard UL 1449 R28 SERIES SURGE PROTECTIVE DEVICES Length Type of wire
  • Model numbering system R28 5 31 H BL Series Name DC sparkover Voltage Type of taping 351 35X10¹=350V H J K O 5.7mm 6.05mm 7.5mm 10.0mm B Bulk L None With lead Without lead R28 R38 2 electrode arrester 3 electrode arrester *¹ Rated voltage AC125V: Approved if it is connected to UL approved varistor (V1.0mA≥270V, D≥φ 14mm). *² Rated voltage AC250V: Approved if it is connected to UL approved varistor (V1.0mA≥470V, D≥φ 14mm).