MMBL4148H

MMBL4148H Surface Mount Switching Diode SWITCHING DIODE 200mAMPERS 100VOLTS Features: *High Speed 4ns *Low Rever Leakage Current *Small Outline Surface Mount SOD-323 Package WEITRON http://www.weitron.com.tw MMBL4148H 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 Thermal Characteristics 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=100uAdc) Forward Voltage(IF=10mAdc) Reverse Voltage Leakage Current (VR=20Vdc) (VR=75Vdc) V(BR) VF IR CT trr 2.Alumina=0.4x0.3x0.024 in. 99.5% alumina. 100 1000 0.025 5.0 4.0 4.0 Vcc mVdc uAdc pF ns Diode Capacitance (VR=0, f=1.0MHz) Reverse Recover Time (IF=IR=10mAdc) 1. FR-5=1.0x0.75x0.062 in Device Marking Item MMBL4148H Marking 5D Eqivalent Circuitdiagram 1 2 WEITRON http://www.weitron.com.tw MMBL4148H 820 Ω +10V 2.0K 100 µH 0.1uF D.U.T. 50 Ω OUT P UT P ULS E G E NE R AT OR 50 Ω INP UT S AMP LING OS C ILLOS C OP E VR 90% IR INP UT S IG NAL IF 0.1µF tr 10% tp t IF W E IT R ON trr t I R (R E C ) =1.0mA OUT P UT P ULS E (I F =I R =10mA, ME AS UR E D AT I R (R E C ) =1.0mA Notes :1. A 2.0 k Ω variable res is tor for a F orward C urrent (I F ) 0f 10 mA 2 . Input pules is adjus ted s o I R (peak) is equal to 10 mA » 3 . tp trr F igure 1. R ec overy T ime E quivalent T es t C irc uit 100 I R , R E V E R S E C UR R E NT (µA ) I F , F OR WA R D C UR R E NT (mA ) 10 T A =150 C 1.0 T A =85 C 10 T A =-40 C T A =125 C 0.1 T A =85 C 1.0 T A =25 C T A =55 C 0.01 0.1 0.2 T A =25 C 0.001 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 V F , F OR WA R D V OLT A G E (V OLT S ) V R , R E V E R S E V OLT A G E (V OLT S ) F igure 2. F orward V oltage 0.68 C D , DIODE C A P A C IT A NC E (pF ) F igure 3. L eakage C urrent 0.64 0.60 0.56 0.52 0 2 4 6 8 V R , R E V E R S E V OLT A G E (V OLT S ) F igure 4. C apac itanc e WEITRON http://www.weitron.com.tw