MMBD914

MMBD914 Surface Mount Switching Diode SWITCHING DIODE 200mAMPERS 100VOLTS Features: *High Speed 4ns *Low Rever Leakage Current *Small Outline Surface Mount SOT-23 Package 3 1 2 SOT-23 SOT-23 Outline Dimensions A Unit:mm TOP VIEW B C E G H D K L J 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 http://www.weitron.com.tw WEITRON MMBD914 Maximum Ratings Rating Reverse Voltage Forward Current Peak Forward Surge Current Symbol VR IF IFM(Surge) Value 100 200 500 Unit Vdc mAdc mAdc Thermal Characteristics Characterictics Total Device Dissipation FR-5 Board TA=25 C Derate Above 25 C 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 Symbol PD R qJA PD R qJA TJ, Tstg Max 225 1.8 556 300 2.4 417 -55 to + 150 Unit mW mW/ C C/W mW mW/ C C/W C Electrical Characteristics (TA=25 C Unless Otherwise note) Characterictics Symbol Min Max Unit Off Characteristics Reverse Breakdown Votalge (IR=100µAdc) Forward Voltage(IF=10mAdc) Reverse Voltage Leakage Current (VR=20Vdc) (VR=75Vdc) V(BR) VF IR CT trr 100 1000 0.025 5.0 4.0 4.0 Vcc mVdc µAdc pF ns Diode Capacitance (VR=0, f=1.0MHz) Revarse Recover Time (IF=IR=10mAdc) 1. FR-5=1.0x0.75x0.062 in 2.Alumina=0.4x0.3x0.024 in. 99.5% alumina. Device Marking Item MMBD914 Marking 5D Eqivalent Circuitdiagram 3 1 http://www.weitron.com.tw WEITRON MMBD914 820 +10V 2.0K 100 µH 0.1µF D.U.T. 50 OUTPUT PULSE GENERATOR 50½ INPUT SAMPLING OSCILLOSCOPE VR IF 0.1µF tr 10% tp t IF trr t 90% INPUT SIGNAL IR IR(REC)=1.0mA OUTPUT PULSE (IF=IR=10mA, MEASURED AT IR(REC)=1.0mA Notes:1. A 2.0 k 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 Figure 1. Recovery Time Equivalent Test Circuit 100 IF, FORWARD CURRENT (mA) 10 IR, REVERSE CURRENT (µA) TA=150 C 1.0 TA=85 C 10 TA= -40 C TA=125 C 0.1 TA=85 C 1.0 TA=25 C TA=55 C 0.01 0.1 0.2 0.4 0.6 0.8 1.0 1.2 0.001 TA=25 C 0 10 20 30 40 50 VR, REVERSE VOLTAGE (VOLTS) Figure 2. Forward Voltage VF, FORWARD VOLTAGE (VOLTS) Figure 3. Leakage Current 0.68 CD, DIODE CAPACITANCE (pF) 0.64 0.60 0.56 0.52 0 2 4 6 8 VR, REVERSE VOLTAGE (VOLTS) Figure 4. Capacitance http://www.weitron.com.tw WEITRON