IW3527A, IW3527K, IW3549A, IW3549K, IW3563A, IW3563K RECTIFIER-LIMITER DIODES Functionality and application description Rectifier-limiter diodes IW3527A, IW3527K, IW3549A, IW3549K, IW3563A, IW3563K (further on the diodes), are designed for rectifying current and limiting reverse voltage in automobile and tractor alternators, as well as in equipment of wide application made for national economy and export. The diodes are fabricated in two options: IW3527A, IW3549A, IW3563A – anode on package, IW3527K, IW3549K, IW3563K – cathode on package. Package DO-21, KD-36. Electrical parameters Parameter, unit Symbol Test conditions min Diode break-down voltage, V for IW3527A, IW3527K for IW3549A, IW3549K for IW3563A, IZ3563K Impulse diode limiting voltage, V Ubr. for IW3563A, IW3563K Uforw imp ** Irev. Iforw = 100 A Urev = 15 V for IW3549A, IW3549K, Urev = 30 V for IW3563A, IW3563K Urev = 42 V Thermal resistance junction-case, °C/W 25±10 - for IW3549A, IW3549K Diode reverse current, mkA for IW3527A, IW3527K 25±10 Rth j-c ___________ * Pulse duration tи ≤ 1 ms, Q ≥ 1000. ** Pulse duration tи ≤ 10 ms, Q ≥ 100. *** Case temperature Korzhenevskogo 12, Minsk, 220108 Republic of Belarus Fax: +375 (17) 278 28 22, Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61, 1 212 69 16 E-mail: [email protected] URL: www.bms.by 24 46 60 Irev = 45 A for IW3527A, IW3527K Impulse diode forward voltage, V max Irev = 5 mA 18 36 50 Ulim imp* Temperature, о С Value - 30 33 30 52 57.2 52 66 72.6 66 1.1 175*** -60*** 25±10 175*** -60*** 25±10 175*** -60*** 25±10 - 50 500 50 50 500 50 50 500 50 25±10 175*** -60*** 25±10 175*** -60*** 25±10 175*** -60*** - 1 IW3527A, IW3527K, IW3549A, IW3549K, IW3563A, IW3563K Maximum ratings of diode operation within case temperature range from - 60 to +175 °С Parameter, unit Maximum rectified current, A (at f = 50 Hz, Tc = 175°C) Maximum junction temperature, °С Non-recurrent impulse forward current of rectified diode, A Constant diode reverse voltage, V: - for IW3527A, IW3527K - for IW3549A, IW3549K - for IW3563A, IW3563K Symbol Irec max Value 35 Tj max Iforw non-rec 200 400 Urev 15 30 42 Typical values of diodes electrical parameters Parameter, unit Break-down voltage, V for IW3527A, IW3527K for IW3549A, IW3549K for IW3563A, IW3563K Limiting impulse voltage, V for IW3527A. IW3527K Value min typical 18 36 50 21 41 55 24 46 60 - 27 29.7 27 49 53.9 49 63 69.3 63 1.0 30 33 30 52 57.2 52 66 72.6 66 1.1 25 175** -60** 25 175** -60** 25 175** -60** 25 - 0.5 100 0.3 0.5 100 0.3 0.5 100 0.3 50 500 50 50 500 50 50 500 50 25 175** -60** 25 175** -60** 25 175** -60** αUforw - 2.0 - αUforw - 0.09 - Symbol Ubr Test conditions Irev = 5 mA Irev = 45 A Ulim imp* for IW3549A, IW3549K for IW3563A, IW3563K Impulse forward voltage, V Reverse current, mkA for IW3527A, IW3527K Uforw imp*** Irev Iforw = 100 А Urev = 15 V for IW3549A, IW3549K Urev = 30 V for IW3563A, IW3563K Urev = 42 V Temperature coefficient of forward voltage, mV/°C Temperature coefficient of reverse voltage,%/°C Ambient Tempera ture, оС 25 max - _______ * tи ≤ 1 ms, Q ≥ 1000. ** Case temperature *** tи ≤ 10 ms, Q ≥ 100 Korzhenevskogo 12, Minsk, 220108 Republic of Belarus Fax: +375 (17) 278 28 22, Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61, 2 212 69 16 E-mail: [email protected] URL: www.bms.by - IW3527A, IW3527K, IW3549A, IW3549K, IW3563A, IW3563K Package KD-36 (DO-21) dimension General view All linear dimension are in millimeters Korzhenevskogo 12, Minsk, 220108 Republic of Belarus Fax: +375 (17) 278 28 22, Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61, 3 212 69 16 E-mail: [email protected] URL: www.bms.by