MMBD2836 / MMBD2838 MMBD7000 Surface Mount Switching Diode SWITCHING DIODE 100-200m AMPERRES 75-100 VOLTS Features: *Low Current Leakage *Low Forward Voltage *Reverse Recover Time Trr 4ns *Small Outline Surface Mount SOT-23 Package 3 1 2 SOT-23 SOT-23 Outline Dimensions Unit:mm A B TOP VIEW E G C D H K J WEITRON http://www.weitron.com.tw L M Dim A B C D E G H J K L M Min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076 Max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25 MMBD2836 / MMBD2838 MMBD7000 Maximum Ratings (EACH DIODE) Symbol Characteristic Reverse Voltage Forward Current VR IF Peak Forward Surge Current IFM MMBD2836 MMBD2838 MMBD7000 75 100 100 200 Unit Volts mAdc mAdc 500 Thermal Characteristics Max Unit 225 1.8 556 mW mW/ C R qJA 300 2.4 417 mW mW/ C C/W TJ, Tstg -55 to + 150 Symbol Characteristic Total Device Dissipation FR-5 Board *1, TA=25 C Derate Above 25 C PD Thermal Resistance Junction to Ambient Total Device Dissipation Alumina Substrate*2 TA=25 C Derate Above 25 C Thermal Resistance Junction to Ambient Junction and Storage Temperature R qJA PD C/W C *1 ER-5=1.0x0.75x0.062 in *2 Alumina=0.4x0.3x0.024 in 99.5% Alumina Electrical Characteristics (TA=25 C Unless Otherwise Note) (Each Diode) Characteristic Symbol Min Max Unit - Vdc 0.1 1.0 Adc Off Characteristics Reverse Breakdown Voltage (IBR=100 Adc ) MMBD2836/MMBD2838 MMBD7000 VBR 75 100 Reverse Voltage Leakage Current VR=50V MMBD2836/MMBD2838 MMBD7000 VR=100V MMBD7000 VR=50V, TJ=125 C MMBD7000 WEITRON http://www.weitron.com.tw IR - 3.0 100 MMBD2836 / MMBD2838 MMBD7000 Off Characteristic Symbol Characteristic Diode Capacition MMBD2836/MMBD2838 CD (VR=0, f=1.0MHz)MMBD7000 Forward Voltage (IF=1.0 mAdc) MMBD7000 (I F =10 mAdc) MMBD2836/MMBD2838 VF MMBD7000 (IF=50 mAdc) MMBD2836/MMBD2838 (IF=100 mAdc) MMBD2836/MMBD2838 MMBD7000 Reverse Recovery Time (Figure 1.) trr IF=IR=10 mAdc, VR=5.0Vdc IR(REC)=1.0 mAdc, RL=100 Min Max Unit 4.0 1.5 PF 700 1000 820 1000 1200 1100 mVdc nS 4.0 Device Marking Marking Item Eqivalent Circuit diagram MMBD2838 A6 3 1 2 MMBD2836 A2 3 1 2 MMBD7000 M5C 3 1 2 Figure 1. Recovery Time Equivalent Test Circuit 820 +10V 2.0K IF tp tr 0.1F 100 H D.U.T. 50 OUTPUT PULSE GENERATOR trr t 90% 50 INPUT SAMPLING OSCILLOSCOPE Notes:1. A 2.0 k VR INPUT SIGNAL variable resistor for a Forward Current (IF) 0f 10 mA 2. Input pules is adjusted so IR(peak) is equal to 10 mA 3. tp trr WEITRON IF 10% 0.1F http://www.weitron.com.tw t IR IR(REC)=1.0mA OUTPUT PULSE (IF=IR=10mA, MEASURED AT IR(REC)=1.0mA MMBD2836 / MMBD2838 MMBD7000 FIGURE 3. LEAKAGE CURRENT FIGURE 2 .FORWARD VOLTAGE 10 IA. REVERSE CURRENT (A) IF, FORWARD CURRENT (mA) 100 TA=85 C TA=-40 C 10 TA=25 C 1.0 TA=150 C T A =125 C 1.0 TA=85 C 0.1 TA=55 C 0.01 TA=25 C 0.001 0.1 0.2 0.4 0.6 0.8 1.0 0 10 20 30 40 50 VR. REVERSE VOLTAGE (VOLTS) 1.2 VF, FORWARD VOLTAGE (VOLTS) FIGURE 5. CAPACITANCE(2838) FIGURE 4. CAPACITANCE(2836) 1.0 CD. DIODE CAPACITANCE (PF) CD. DIODE CAPACITANCE (PF) 1.75 1.50 1.25 1.00 0.75 0 2.0 4.0 6.0 8.0 0.9 0.8 0.7 0.6 0 2 FIGURE 6. CAPACITANCE(7000) CD. DIODE CAPACITANCE (PF) 0.68 0.64 0.60 0.56 0.52 0 2.0 4.0 6.0 VR. REVERSW VOLTAGE (VOLTS) WEITRON http://www.weitron.com.tw 4 6 VR. REVERSW VOLTAGE (VOLTS) VR. REVERSE VOLTAGE (VOLTS) 8.0 8