This part is a kind of semiconductor called B3D090L.

Function of this product has (B3DxxxL) Surge Arrester.

Manufacturers : Bencent

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檳城電子 BENCENT Surge Arrester 1. Introduction Bencent gas-filled surge arresters are designed for protecting the telecommunication installations and power supply.The components are also used in switching equipments, CRT, CATV and household appliances. 2. Model Name B3D (1) XXX (2) L (3) (1) Bencent Ф5×7.6 Series 3-electrode surge arrester (2) DC Breakdown Voltage (e.g., 90V, 150V, 230V, 350V, 420V etc.) (3) Rating Surge Current (waveform8/20µS): L (5KA), M (10KA), H (20KA) 3. Features y y y y y High Current Handling Capability Low Capacitance Fast Response Long Service Life Reliable Performance 4.Applications y Telephone, FAX, Modem, MDF and PABX y Power Supply (e.g.: UPS, power strip and power supply for base station in mobile telephone system) y CRT(e.g., [ ... ]

B3D090L PDF Datasheet Download