25NS(R) Naina Semiconductor Ltd. Standard Recovery Diodes (Stud and Lead Type), 25A Features Diffused Series Industrial grade Available in Normal and Reverse polarity Metric and UNF thread type • • • • Electrical Specifications (TE = 25oC, unless otherwise noted) Symbol IF(AV) VFM IFSM IFRM 2 It Parameters Values Units 25 A 1.3 V 400 A o Maximum avg. forward current @ TE = 150 C Maximum peak forward voltage drop @ rated IF(AV) Maximum peak one cycle (non-rep) surge current @ 10 msec Maximum peak repetitive surge current 2 Maximum I t rating (non-rep) for 5 to 10 msec 150 800 A 2 A sec DO-203AB (DO-5) Voltage Ratings (TE = 25oC, unless otherwise noted) Type number Voltage Code 25NS(R) 10 20 40 60 80 100 120 140 160 VRRM, Maximum repetitive peak reverse voltage (V) 100 200 400 600 800 1000 1200 1400 1600 VR(RMS), Maximum RMS reverse voltage (V) 70 140 280 420 560 700 840 980 1120 VR, Maximum DC blocking voltage (V) 100 200 400 600 800 1000 1200 1400 1600 Recommended RMS working voltage (V) IR(AV), Maximum avg. reverse leakage current (µA) 40 80 160 240 320 400 480 560 640 150 Thermal & Mechanical Specifications (TE = 25oC, unless otherwise noted) Symbol Rth(JC) TJ Tstg F W Parameters Maximum thermal resistance, junction to case Operating junction temperature range Storage temperature Mounting torque (non-lubricated threads) Approximate allowable weight Values 1.5 -65 to 150 -65 to 150 0.14 (min) - 0.17 (max) 7 Units C/W o C o C o g Naina Semiconductor Ltd. Package Outline ALL DIMENSIONS IN MM Ordering Table 25 1 NS 2 R 3 120 4 1 – Current Rating = IF (AV) 2 – Rectifier Diode 3 – Polarity: > None = Normal (Cathode to Stud) > R = Reverse (Anode to Stud) 4 – Voltage Code x 10 = VRRM (See Voltage Ratings Table) 25NS(R)