MMBL4148H
MMBL4148H is Surface Mount Switching Diode manufactured by Weitron Technology.
Features
:
- High Speed 4ns
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- Low Rever Leakage Current
- Small Outline Surface Mount SOD-323 Package
WEITRON http://.weitron..tw
Maximum Ratings
Rating Reverse Voltage Forward Current Peak Forward Surge Current
..
WE IT R ON
Symbol VR IF IFM(Surge) Value
100 200 500
Unit Vdc m Adc m Adc
Thermal Characteristics
Characterictics Total Device Dissipation FR-5 Board TA=25 C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD R q JA TJ, Tstg Max
Unit m W 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=100u Adc) Forward Voltage(IF=10m Adc) 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 m Vdc u Adc p F ns
Diode Capacitance (VR=0, f=1.0MHz) Reverse Recover Time (IF=IR=10m Adc) 1. FR-5=1.0x0.75x0.062 in
Device Marking
Item MMBL4148H Marking 5D Eqivalent Circuitdiagram
1 2
WEITRON http://.weitron..tw
820 Ω +10V 2.0K 100 µH 0.1u F 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
WE IT R ON trr t
I R (R E C ) =1.0m A OUT P UT P ULS E (I F =I R =10m A, ME AS UR E D AT I R (R E C ) =1.0m A
Notes :1. A 2.0 k Ω variable res is tor for a F orward C urrent (I F ) 0f 10 m A 2. Input pules is adjus ted s o I R (peak) is equal to 10 m A » 3. tp trr
F igure 1. R ec overy T ime E quivalent T es t C irc uit
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 (m A )
T A =150 C
T A =85 C 10 T A =-40...