TAK CHEONG SEM IC O N DU C TO R 500 mW LL-34 Hermetically Sealed Glass Fast Switching Diodes SURFACE MOUNT LL34 Absolute Maximum Ratings Symbol PD TSTG TJ WIV TA = 25C unless otherwise noted Parameter Power Dissipation Storage Temperature Range Operating Junction Temperature Value Units 500 mW -65 to +200 C +175 C Working Inverse Voltage 75 V IO Average Rectified Current 150 mA IFM Non-repetitive Peak Forward Current 450 mA 2 A IFSURGE Peak Forward Surge Current DEVICE MARKING DIAGRAM Cathode Band Color : Black These ratings are limiting values above which the serviceability of the diode may be impaired. Specification Features: Fast Switching Device (TRR <4.0 nS) LL-34 (Mini-MELF) Package Surface Device Type Mounting Anode Cathode Hermetically Sealed Glass Compression Bonded Construction All external surfaces are corrosion resistant and leads are readily solderable ELECTRICAL SYMBOL st 1 band indicates negative polarity Electrical Characteristics Symbol TA = 25C unless otherwise noted Parameter Limits Test Condition Min BV IR VF TRR Breakdown Voltage Reverse Leakage Current Forward Voltage Reverse Recovery Time IR=100A 100 IR=5A 75 Unit Max Volts VR=20V 25 nA VR=75V 5 A 0.62 0.72 TCLL4448, TCLL914B IF=5mA TCLL4148, TCLL4148 IF=10mA 1.0 TCLL4448, TCLL914B IF=100mA 1.0 Volts IF=10mA, VR=6V RL=100 4 nS 4 pF IRR=1mA C Capacitance VR=0V, f=1MHZ October 2005 / C Page 1 TCLL4148/TCLL4448/TCLL914B (R) (R) TAK CHEONG SEM IC O N DU C TO R Electrical Symbol Definition Typical Characteristics I Symbol Parameter (mA) IF BV Breakdown Voltage @ IR IR Reverse Leakage Current @ VR BV VR Reverse Voltage IF Forward Current VF Forward Voltage @ IF (V) (mV) VR IR VF V IR (nA) (A) Ordering Information Device Pack Option Package Quantity TCLLxxxx 7" Reel Tape and Reel 2,500 TCLLxxxxR13 13" Reel Tape and Reel 10,000 TCLLxxxx Others (...contact Tak Cheong sales representatives) LL34 (Mini-MELF) Tape Packaging Standards This standard practices for surface-mount tape packaging of leadless (Mini-MELF) components meets the requirements of EIA Standard RS-481-A. October 2005 / C Page 2 (R) TAK CHEONG SEM IC O N DU C TO R LL-34 (Mini-MELF) Tape & Reel Packaging Information LL-34 Packaging Outline Packaging Description: Label Antistatic Cover Tape Static Dissipative Embossed Carrier Tape LL34 parts are shipped in tape and reel. The carrier tape is made from a dissipative (carton filled) polycarbonate resin. The cover tape is a multiplayer film (Heat Activated Adhesive in nature) primarily composed of polyester film, adhesive layer, sealant, and anti-static sprayed agent. These reeled parts in standard option are shipped with 2,500 units per 7" or 178mm diameter reel. The reels are blue in color and made of recyclable plastic. Other option comes in 10,000 units per 13" or 330mm diameter reel Cathode LL34 UNIT ORIENTATION Label LL-34 Leader and Trailer Carrier Tape Cover Tape Components Trailer Tape 80mm minimum or 20 empty pockets. Leader Tape 500mm minimum or 125 empty pockets. October 2005 / C Page 3 (R) TAK CHEONG SEM IC O N DU C TO R LL-34 (Mini-MELF) Tape & Reel Packaging Information LL-34 Reel Outline Dimensions are in millimeters Tape Size QTY Option Dim A Dim B Dim C Dim D Dim N W1 W2 W3 2,500 178 1.5 13 20.2 55 8.4 14.4 7.9 - 10.9 10,000 330 1.5 13 20.2 100 8.4 14.4 7.9 - 10.9 8mm October 2005 / C Page 4 (R) TAK CHEONG SEM IC O N DU C TO R Package Outline Package Case Outline LL-34 DIM Millimeters Inches Min Max Min Max A 3.302 3.505 0.130 0.138 B 1.397 1.499 0.055 0.059 C 0.350 0.500 0.014 0.020 LL34 Notes: 1. 2. LL34 polarity denoted by a band. `Expansion Gap' has no relation to the location of polarity. October 2005 / C Page 5