1N4148 / LL4148 WTE POWER SEMICONDUCTORS FAST SWITCHING DIODE Features ! Fast Switching Speed ! ! ! Glass Package Version for High Reliability A B A High Conductance Available in Both Through-Hole and Surface Mount Versions C D A B C 1N4148 LL4148 Mechanical Data ! ! ! ! ! Case: DO-35, MiniMELF Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: DO-35 0.13 grams MiniMELF 0.05 grams Marking: Cathode Band Only DO-35 Dim Min Max A 25.40 -- B -- 4.00 C -- 0.60 D -- 2.00 All Dimensions in mm MiniMELF Dim MIn Max A 3.30 3.70 B 1.30 1.60 C 0.28 0.50 All Dimensions in mm Maximum Ratings @TA=25C unless otherwise specified Characteristic Symbol Value Unit VRM 100 V VRRM VRWM VR 75 V VR(RMS) 53 V Forward Continuous Current (Note 1) IFM 300 mA Rectified Current (Average), Half Wave Rectification with Resistive Load and f 50MHz (Note 1) IO 150 mA IFSM 1.0 2.0 A Pd 500 1.68 mW mW/C RJA 300 K/W Tj, TSTG -65 to +175 C Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0s Power Dissipation (Note 1) Derate Above 25C Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range 1N4148 / LL4148 1 of 3 (c) 2002 Won-Top Electronics Electrical Characteristics Characteristic Maximum Forward Voltage @TA=25C unless otherwise specified Symbol Min Max Unit Test Condition VFM -- 1.0 V IF = 10mA A A A nA VR = 75V VR = 70V, Tj = 150C VR = 20V, Tj = 150C VR = 20V Maximum Peak Reverse Current IRM -- 5.0 50 30 25 Capacitance Cj -- 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr -- 4.0 ns IF = 10mA to IR = 1.0mA VR = 6.0V, RL = 100 Note: 1. Diode on Ceramic Substrate 10mm x 8mm x 0.7mm. 1N4148 / LL4148 2 of 3 (c) 2002 Won-Top Electronics ORDERING INFORMATION Product No.! Package Type Shipping Quantity 1N4148-T3 DO-35 10000/Tape & Reel 1N4148-TB DO-35 5000/Tape & Box 1N4148 DO-35 1000 Units/Box LL4148-T1 MiniMELF 2500/Tape & Reel LL4148-T3 MiniMELF 10000/Tape & Reel Products listed in bold are WTE Preferred devices. ! T1 suffix refers to a 7" reel. T3 suffix refers to a 13" reel. TB suffix refers to Ammo Pack. Shipping quantity given is for minimum packing quantity only. For minimum order quantity, please consult the Sales Department. RECOMMENDED FOOTPRINT (MiniMELF) 0.043 MIN (1.10 MIN) 0.067 MIN (1.70 MIN) 0.106 MIN (2.70 MIN) inches(mm) Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein without further notice. WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life support devices or systems without the express written approval. Won-Top Electronics Co., Ltd. No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan Phone: 886-7-822-5408 or 886-7-822-5410 Fax: 886-7-822-5417 Email: sales@wontop.com Internet: http://www.wontop.com 1N4148 / LL4148 We power your everyday. 3 of 3 (c) 2002 Won-Top Electronics