40v 3.0a MBRA340T3 1 of 3 web site: www.taychipst.com features e-mail: sales@taychipst.com maximum ratings and electrical characteristics m e c h a n i c a l d a t a surface mount schottky power rectifier ? small compact surface mountable package with j-bent leads ? rectangular package for automated handling ? highly stable oxide passivated junction ? very low forward voltage drop ? guardring for stress protection ? pb-free package is available ? case: epoxy, molded ? weight: 70 mg (approximately) ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? lead and mounting surface temperature for soldering purposes: 260 c max. for 10 seconds ? shipped in 12 mm tape, 5000 units per 13 inch reel ? polarity: cathode lead indicated by polarity band maximum ratings rating symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 40 v average rectified forward current (at rated v r , t l = 100 c) i o 3.0 a non?repetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60 hz) i fsm 100 a storage/operating case temperature t stg , t c ?55 to +150 c operating junction temperature t j ?55 to +125 c voltage rate of change (rated v r , t j = 25 c) dv/dt 10,000 v/ s thermal characteristics characteristic symbol value unit thermal resistance ? junction?to?lead (note 1) thermal resistance ? junction?to?ambient (note 1) r q jl r q ja 15 81 c/w electrical characteristics maximum instantaneous forward voltage (note 2) v f t j = 25 c t j = 100 c volts maximum instantaneous forward voltage (note 2) (i f = 3.0 a) 0.450 0.390 maximum instantaneous reverse current i r t j = 25 c t j = 100 c ma maximum instantaneous reverse current (v r = 40 v) 0.3 15 1. mounted on 2 square pc board with 1 square total pad size, pc board fr4. 2. pulse test: pulse width 250 m s, duty cycle 2.0%.
ratings and characteristic curves MBRA340T3 2 of 3 e-mail: sales@taychipst.com web site: www.taychipst.com surface mount schottky power rectifier 40v 3.0a MBRA340T3 figure 1. typical forward voltage figure 2. maximum forward voltage figure 3. typical reverse current figure 4. maximum reverse current 10 1 0.1 v f , instantaneous forward voltage (volts) 0.10 0.30 0.50 t j = 125 c t j = ?55 c t j = 25 c i f , instantaneous forward current (amps) v r , reverse voltage (volts) 100e?3 10e?3 10e?6 100e?6 30 40 20 10 0 i r , reverse current (amps) 100e?9 100e?12 t j = 125 c 0.20 0.40 0.60 t j = 100 c 10 1 0.1 v f , maximum instantaneous forward voltage (volts) 0.10 0.30 0.50 t j = 125 c t j = ?55 c t j = 25 c i f , instantaneous forward current (amps) 0.20 0.40 t j = 100 c 0.60 1e?3 1e?6 10e?9 1e?9 t j = ?55 c t j = 25 c t j = 100 c v r , reverse voltage (volts) 100e?3 10e?3 10e?6 100e?6 30 40 20 10 0 i r , maximum reverse current (amps) t j = 125 c 1e?3 1e?6 t j = ?55 c t j = 25 c t j = 100 c figure 7. capacitance figure 8. typical operating temperature derating v r , reverse voltage (volts) 30 25 20 15 10 5 0 100 1000 c, capacitance (pf) 40 v r , dc reverse voltage (volts) 30 25 20 15 10 5 0 115 105 95 85 75 65 55 125 t j , derated operating temperature ( c) 35 t j = 25 c 40 35 r ja = 22 c/w r ja = 43 c/w r ja = 96 c/w r ja = 81 c/w r ja = 63 c/w
ratings and characteristic curves MBRA340T3 3 of 3 e-mail: sales@taychipst.com web site: www.taychipst.com surface mount schottky power rectifier 40v 3.0a MBRA340T3 figure 7. capacitance figure 8. typical operating temperature derating v r , reverse voltage (volts) 30 25 20 15 10 5 0 100 1000 c, capacitance (pf) 40 v r , dc reverse voltage (volts) 30 25 20 15 10 5 0 115 105 95 85 75 65 55 125 t j , derated operating temperature ( c) 35 t j = 25 c 40 35 r ja = 22 c/w r ja = 43 c/w r ja = 96 c/w r ja = 81 c/w r ja = 63 c/w figure 9. thermal response, junction?to?ambient (min pad) t, time (s) 0.0001 0.001 0.1 0.00001 0.01 1 10 100 1000 r (t) , transient thermal resistance ( c/w) 0.1 1 10 100 d = 0.5 0.2 0.1 single pulse 0.05 0.02 0.01 figure 10. thermal response, junction to ambient (1 inch pad) t, time (s) 0.0001 0.001 0.1 0.00001 0.01 1 10 100 1000 r (t) , transient thermal resistance ( c/w) 0.1 1 10 100 d = 0.5 0.2 0.1 single pulse 0.05 0.02 0.01
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