TAK CHEONG SE M I CO N DU CTO R 500 mW LL-34 Hermetically Sealed Glass Fast Switching Diodes SURFACE MOUNT LL34 Absolute Maximum Ratings Symbol TA = 25°C unless otherwise noted Parameter PD Power Dissipation TSTG Storage Temperature Range TJ Operating Junction Temperature WIV IO IFM IFSURGE Value Units 500 mW -65 to +200 °C +175 °C Working Inverse Voltage 75 V Average Rectified Current 150 mA Non-repetitive Peak Forward Current 450 mA 2 A 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 1st band indicates negative polarity Electrical Characteristics TA = 25°C unless otherwise noted Parameter Symbol Limits Test Condition Min BV IR VF TRR Breakdown Voltage Reverse Leakage Current Forward Voltage Reverse Recovery Time IR=100µA 100 IR=5µA 75 Unit Max Volts VR=20V 25 nA VR=75V 5 µA TCLL4448, TCLL914B IF=5mA TCLL4148, TCLL4148 IF=10mA 1.0 TCLL4448, TCLL914B IF=100mA 1.0 0.62 0.72 Volts IF=IR=10mA RL=100Ω 4 nS 4 pF IRR=1mA C Capacitance VR=0V, f=1MHZ March 2002 / A Page 1 TCLL4148/TCLL4448/TCLL914B ® ® TAK CHEONG SE M I CO N DU CTO R Electrical Symbol Definition Typical Characteristics I Symbol Parameter (mA) IF BV Breakdown Voltage @ IR IR Reverse Leakage Current @ VR VR Reverse Voltage IF Forward Current VF Forward Voltage @ IF (mV) VR BV IR (V) VF V IR (nA) (µA) Ordering Information Pack Option Package Quantity 7” Reel Tape and Reel 2,500 13” Reel Tape and Reel 10,000 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. March 2002 / A Page 2 ® TAK CHEONG SE M I CO N DU CTO 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 178cm diameter reel. The reels are blue in color and made of recyclable plastic. Other option comes in 10,000 units per 13” or 330cm 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. March 2002 / A Page 3 ® TAK CHEONG SE M I CO N DU CTO 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 March 2002 / A Page 4 ® TAK CHEONG SE M I CO N DU CTO 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. March 2002 / A Page 5