Weitron MMBL4148H Surface mount switching diode Datasheet

MMBL4148H
Surface Mount Switching Diode
Features:
*High Speed 4ns
*Low Rever Leakage Current
*Small Outline Surface Mount SOD-323 Package
WEITRON
http://www.weitron.com.tw
SWITCHING DIODE
200mAMPERS
100VOLTS
WE IT R ON
MMBL4148H
Maximum Ratings
Rating
Symbol
Value
Unit
Reverse Voltage
VR
100
Vdc
Forward Current
IF
200
mAdc
IFM(Surge)
500
mAdc
Max
Unit
Peak Forward Surge Current
Thermal Characteristics
Characterictics
Symbol
Total Device Dissipation FR-5
Board TA=25 C
PD
500
mW
Thermal Resistance, Junction
to Ambient
R qJA
556
C/W
Junction and Storage
Temperature
TJ, Tstg
-55 to + 150
C
Electrical Characteristics (TA=25 C Unless Otherwise note)
Characterictics
Symbol
Min
Max
Unit
Reverse Breakdown Votalge
(IR=100uAdc)
V(BR)
100
Forward Voltage(IF=10mAdc)
VF
1000
mVdc
Reverse Voltage
Leakage Current
IR
0.025
5.0
uAdc
CT
4.0
pF
trr
4.0
ns
Off Characteristics
(VR=20Vdc)
(VR=75Vdc)
Diode Capacitance
(VR=0, f=1.0MHz)
Reverse Recover Time
(IF=IR=10mAdc)
1. FR-5=1.0x0.75x0.062 in
Vcc
2.Alumina=0.4x0.3x0.024 in. 99.5% alumina.
Device Marking
Item
MMBL4148H
WEITRON
http://www.weitron.com.tw
Marking
5D
Eqivalent Circuitdiagram
1
2
WE IT R ON
MMBL4148H
820Ω
+10V
2.0K
IF
tp
tr
0.1µF
100 µH
IF
t
trr
10%
t
0.1uF
D.U.T.
90%
50 Ω INP UT
S AMP LING
OS C ILLOS C OP E
50 Ω OUT P UT
P ULS E
G E NE R AT OR
I R (R E C ) =1.0mA
IR
VR
INP UT S IG NAL
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
10
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 )
100
T A =85 C
10
T A =-40 C
1.0
0.1
0.2
T A =25 C
T A =150 C
T A =125 C
1.0
T A =85 C
0.1
T A =55 C
0.01
T A =25 C
0.001
0.4
0.6
0.8
1.0
0
1.2
10
20
F igure 2. F orward V oltage
C D , DIODE C A P A C IT A NC E (pF )
0.64
0.60
0.56
0
2
4
6
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
40
F igure 3. L eakage C urrent
0.68
0.52
30
V R , R E V E R S E V OLT A G E (V OLT S )
V F , F OR WA R D V OLT A G E (V OLT S )
8
50
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