Weitron MMBD4148A Surface mount switching diode Datasheet

WEITRON
MMBD4148C/A/S
Surface Mount Switching Diode
SWITCHING DIODE
200mAMPERS
100VOLTS
Features:
*High Speed
4ns
*Low Rever Leakage Current
*Small Outline Surface Mount SOT-23 Package
3
1
2
SOT-23
SOT-23 Outline Dimensions
Unit:mm
A
B
TOP VIEW
E
G
C
D
H
K
J
WEITRON
http://www.weitron.com.tw
L
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
MMBD4148C/A/S
WE IT R ON
Maximum Ratings
Rating
Symbol
Value
Unit
Reverse Voltage
VR
100
Vdc
Forward Current
IF
200
mAdc
IFSM
2.0
1.0
Adc
Symbol
Max
Unit
@t=1.0us
Non-Repetitive Peak
Forward Surge Current @t=1.0s
T her mal C har acter istics
Characterictics
Total Device Dissipation FR-5
Board TA=25 C
PD
500
mW
Thermal Resistance, Junction
to Ambient
R qJA
556
C/W
-55 to + 150
C
Junction and Storage
Temperature
TJ, Tstg
Electrical Characteristics (TA=25 C Unless Otherwise note)
Characterictics
Symbol
Min
Max
Unit
Reverse Breakdown Votalge
(IR=100µAdc)
V(BR)
100
Forward Voltage(IF=10mAdc)
VF
1000
mVdc
IR
0.025
5.0
µAdc
CT
4.0
PF
trr
4.0
ns
Off Characteristics
Reverse Voltage
Leakage Current
(VR=20Vdc)
(VR=75Vdc)
Diode Capacitance
(VR=0, f=1.0MHz)
Revarse 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
Marking
Eqivalent Circuitdiagram
MMBD4148C
A4
3
MMBD4148A
A1
3
MMBD4148S
A7
3
WEITRON
http://www.weitron.com.tw
1
2
1
2
1
2
MMBD4148C/A/S
WE IT R ON
820
+10V
2.0K
IF
tp
tr
0.1µF
100 µH
IF
t
trr
10%
0.1µF
D.U.T.
t
90%
50
OUTPUT
PULSE
GENERATOR
50 INPUT
SAMPLING
OSCILLOSCOPE
VR
IR(REC)=1.0mA
IR
INPUT SIGNAL
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
10
IR, REVERSE CURRENT (µA)
IF, FORWARD CURRENT (mA)
100
TA=85 C
10
TA= -40 C
1.0
0.1
TA=25 C
0.2
0.4
0.6
0.8
1.0
1.2
TA=150 C
TA=125 C
1.0
TA=85 C
0.1
TA=55 C
0.01
0.001
TA=25 C
0
10
20
Figure 2. Forward Voltage
Figure 3. Leakage Current
CD, DIODE CAPACITANCE (pF)
0.68
0.64
0.60
0.56
0.52
0
2
4
6
VR, REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
WEITRON
http://www.weitron.com.tw
30
VR, REVERSE VOLTAGE (VOLTS)
VF, FORWARD VOLTAGE (VOLTS)
8
40
50
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