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			3B28 3B28 USA USA NOS except RCA Audio half wave rectifier. Data– Vf=2.5V, If=5000ma, Va=5000V, Ik=500ma www.tubedata.org . Available boxes: tick the boxes to select your choice(s) OB WB Product availability: This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability