MMBL4148H
SURFACE MOUNT SWITCHING DIODES
SWITCHING DIODES 100m AMPERES 100 VOLTS
SOD-323
.091(2.30)
1.63(2.70)
.063(1.60)
.071(1.80)
.045(1.15)
.053(1.35)
0.15R
.009(0.25)
.016(0.40)
1
2
.031(0.80)
.039(1.00)
.0035(0.089)
.015(0.377)
.00(0.00)
.004(0.10)
FEATURES
High Speed 4ns
4
Low Reverse Leakage Current .
Small Outline Surface Mount SOD-323 Package
MAXIMUM RATING
Rating
Reverse Voltage
Forward Current
Peak Forward Surge Current
Symbol
V
R
I
F
I
FM(Surge)
Value
100
200
500
Unit
Vdc
mAdc
mAdc
THERMAL CHARACTERISTICS
Characterictics
Total Device Dissipation FR-5
Board T
A
=25 C
Thermal Resistance, Junction
to Ambient
Junction and Storage
Temperature
Symbol
P
D
R
q
JA
TJ, T
stg
Max
500
556
-55 to + 150
Unit
mW
C/W
C
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1
MMBL4148H
SURFACE MOUNT SWITCHING DIODES
SWITCHING DIODES 100m AMPERES 100 VOLTS
ELECTRICAL CHARACTERISTICS
(T
A
=25 C unless otherwise noted)
o
Characterictics
Symbol
Min
Max
Unit
Off Characteristics
Reverse Breakdown Votalge
(IR=100µAdc)
Forward Voltage(IF=10mAdc)
Reverse Voltage
Leakage Current
(V
R
=20Vdc)
(V
R
=75Vdc)
V(BR)
V
F
I
R
C
T
trr
100
1000
0. 025
5.0
4.0
4.0
Vcc
mV dc
µAdc
pF
ns
Diode Capacitance
(V
R
=0 , f=1.0MHz)
Revarse Recover Time
(I
F
=I
R
=10mAdc)
1. FR-5=1.0x0.75x0.062 in
2.Alumina=0.4x0.3x0.024 in. 99.5% alumina.
DEVICE MARKING
Item
MMBL4148H
Marking
5D
Eqivalent Circuitdiagram
1
2
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2
MMBL4148H
SURFACE MOUNT SWITCHING DIODES
SWITCHING DIODES 100m AMPERES 100 VOLTS
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
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
IF
0.1µF
tr
10%
tp
t
IF
trr
t
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
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3
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