2 each NIB Sarkes-Tarzian S5251/1N2389, 1600 PRV, 600ma OK for all but not for 5R4 $14 ea pp 2 each FAA SSD1/1N1239, 2800 PRV, 500ma 1 each Semicon.Inc 1N1239, 2800 PRV, 500ma OK for all including 5R4 $12 ea pp Prefer sell all 5 for $55 pp 73 John W7ZFB