MMBD4148

WEITRON Surface Mount Switching Diode Features: *High Speed 4ns *Low Rever Leakage Current *Small Outline Surface Mount SOT-23 Package MMBD4148 SWITCHING DIODE 200mAMPERS 100VOLTS 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 Min Max A 0.35 0.51 B 1.19 1.40 C 2.10 3.00 D 0.85 1.05 E 0.46 1.00 G 1.70 2.10 H 2.70 3.10 J 0.01 0.13 K 0.89 1.10 L 0.30 0.61 M 0.076 0.25 WEITRON http://www.weitron.com.tw MMBD4148 Maximum Ratings Rating Reverse Voltage Forward Current Peak Forward Surge Current Symbol VR IF IFM(Surge) Value 100 200 500 W E IT R ON Unit Vdc mAdc mAdc T her mal C har acter istics Characterictics Total Device Dissipation FR-5 Board TA=25 C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD R qJA TJ, Tstg Max 500 Unit mW C/W C 556 -55 to + 150 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 MMBD4148 Marking 5D Eqivalent Circuitdiagram 3 1 WEITRON http://www.weitron.com.tw MMBD4148 820 +10V 2.0K 100 µH 0.1µF D.U.T. 50 OUTPUT PULSE GENERATOR 50 INPUT SAMPLING OSCILLOSCOPE VR IF 0.1µF tr 10% tp t IF W E IT R ON 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