SCHOTTKY RECTIFIER 21DQ06 2 Amp DO-41 Major Ratings and Characteristics Description/Features The 21DQ06 axial leaded Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. Characteristics 21DQ06 Units IF(AV) Rectangular waveform 2 A 60 V 0.55 V Very low forward voltage drop High frequency operation - 40 to 150 °C Guard ring for enhanced ruggedness and long term reliability Low profile, axial leaded outline VRRM VF @ 2 Apk, TJ = 125°C TJ range High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance CASE STYLE AND DIMENSIONS Conform to JEDEC Outline DO-204AL (DO-41) Dimensions in millimeters and inches 1 Web Site: WWW.PS-PFS.COM 21DQ06 Voltage Ratings Part number VR 21DQ06 Max. DC Reverse Voltage (V) 60 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 21DQ06 Units 2 A IF(AV) Max. Average Forward Current Conditions 50% duty cycle @ TC = 106°C, rectangular wave form * See Fig. 4 IFSM Max. Peak One Cycle Non-Repetitive 340 5µs Sine or 3µs Rect. pulse A Surge Current * See Fig. 6 60 10ms Sine or 6ms Rect. pulse EAS Non-Repetitive Avalanche Energy 4.0 mJ IAR Repetitive Avalanche Current 0.5 A Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 1 Amps, L = 8 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications 21DQ06 Parameters VFM IRM Max. Forward Voltage Drop (1) Max. Reverse Leakage Current (1) Units Conditions Typ. Max. 0.53 0.67 0.49 0.60 0.75 0.55 V V V @ 2A @ 4A @ 2A 0.61 0.67 V @ 4A 0.02 0.50 mA TJ = 25 °C 7.0 10 mA TJ = 125 °C TJ = 25 °C TJ = 125 °C VR = rated VR CT Typical Junction Capacitance 120 pF VR = 5VDC(test signal range100Khz to 1Mhz) 25°C LS Typical Series Inductance 8.0 nH Measured lead to lead 5mm from package body (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 21DQ06 Units Conditions TJ Max. Junction Temperature Range -40 to 150 °C Tstg Max. Storage Temperature Range -40 to 150 °C RthJA Max. Thermal Resistance Junction to Ambient 100 °C/W DC operation Without cooling fin RthJL Typical Thermal Resistance Junction to Lead 25 °C/W DC operation (See Fig. 4) wt Approximate Weight Case Style (*) dPtot dTj < 1 Rth( j-a) 0.33(0.012) g (oz.) DO-204AL(DO-41) thermal runaway condition for a diode on its own heatsink Web Site: WWW.PS-PFS.COM 2 21DQ06 1 00 Reverse C urrent - I R (m A) 10 T J = 150°C 10 125°C 1 100°C 75°C 0 .1 50°C 0.01 25°C 0 .000 1 0 20 J 60 Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T = 125°C J 1 40 Reverse V oltag e - VR (V ) T = 150°C T J = 25°C T (pF) 100 0 0.1 0 0.3 0.6 0.9 1 .2 Forward V olta ge D rop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Jun ction C apacitan ce - C Instantan eous Forw ard C urrent - I F (A) 0 .001 10 0 T J = 25°C 10 0 20 40 60 Reverse V olta ge - V R (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 3 Web Site: WWW.PS-PFS.COM 21DQ06 2 Average Power Loss - (W atts) DC 1 20 90 Square w ave (D = 0.50) 80% Rated V R applied 60 30 = 1/8 inch D D D D D 1.6 1.2 0.8 = = = = = 0.20 0.25 0.33 0.50 0.75 DC RM S Lim it 0.4 see note (2) 0 0 0 1 2 0 3 Average Forw ard C urren t - I F(AV ) (A) 1 2 3 Average Forw ard C urren t - I F(AV) (A) Fig. 4 - Maximum Allowable Lead Temperature Vs. Average Forward Current Fig. 5 - Forward Power Loss Characteristics 1000 Non-Repe titive Surge C urren t - I FSM (A) Allowa ble Lead Te m pe ratu re - (° C ) 1 50 100 At Any Rated Load C ondition And W ith Rated V RRM Applied Follow ing Surge 10 10 100 1000 10000 Square W ave Pulse D uration - t p (m icrosec) Fig. 6 - Maximum Non-Repetitive Surge Current (2) Formula used: TL = TJ - (Pd + PdREV) x RthJL ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 5); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR Web Site: WWW.PS-PFS.COM 4