ISSUED DATE :2005/05/26 REVISED DATE : GB840 SCHOTTKY BARRIER DIODE V O L T A G E 4 0 V, C U R R E N T 8 A R E C T I F I E R Description The GB840 is designed for switching power supplies, converters, free wheeling and reverse battery protection applications. Features *Low forward voltage drop *High frequency operation Package Dimensions TO-252 REF. A B C D E F S Millimeter Min. Max. 6.40 6.80 5.20 5.50 6.80 7.20 2.20 2.80 2.30 REF. 0.70 0.90 0.60 0.90 REF. G H J K L M R Millimeter Min. Max. 0.50 0.70 2.20 2.40 0.45 0.55 0 0.15 0.90 1.50 5.40 5.80 0.80 1.20 Absolute Maximum Ratings at Ta=25 Parameters DC Reverse Voltage Working Peak Reverse Voltage Average Forward Current Surge Forward Current Junction Temperature Storage Temperature Thermal Resistance, Junction to case Symbol VR(RMS) VRWM IF IFSM Tj Tstg R JC Ratings 40 40 8 380 -55 ~ +150 -55 ~ +175 5 Unit V V A A Condition 50% duty cycle @TC=119 , rectangular waveform 10ms Sine or 6ms Rect. pulse /W Electrical Characteristics Parameters Symbol Reverse Voltage Forward Voltage* Reverse Current* VR VF IR Junction Capacitance CT Series Inductance LS Ratings Unit Condition min typ max 40 V IR=3mA, Tj=25 0.53 V IF=8A, Tj=25 2.0 mA VR=40V, Tj=25 VR=5V,Tj=25 900 pF (test signal range 100KHz~1MHz) 10.0 nH Measure lead to lead 5mm form body Note *: Pulse Width <300 s, Duty Cycle <2%. GB840 Page: 1/2 ISSUED DATE :2005/05/26 REVISED DATE : Characteristics Curve T Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T Fig. 1 - Max. Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Important Notice: All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of GTM. GTM reserves the right to make changes to its products without notice. GTM semiconductor products are not warranted to be suitable for use in life-support Applications, or systems. GTM assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. Head Office And Factory: Taiwan: No. 17-1 Tatung Rd. Fu Kou Hsin-Chu Industrial Park, Hsin-Chu, Taiwan, R. O. C. TEL : 886-3-597-7061 FAX : 886-3-597-9220, 597-0785 China: (201203) No.255, Jang-Jiang Tsai-Lueng RD. , Pu-Dung-Hsin District, Shang-Hai City, China TEL : 86-21-5895-7671 ~ 4 FAX : 86-21-38950165 GB840 Page: 2/2