Surface Mount Switching Diode
SOT-23 Outline Dimensions
*Low Current Leakage
*Low Forward Voltage
*Reverse Recover Time Trr 4ns
*Small Outline Surface Mount SOT-23 Package
Features:
SWITCHING DIODE
100-200m AMPERRES
75-100 VOLTS
SOT-23
Unit:mm
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
Max
0.51
1.40
3.00
1.05
1.00
2.10
3.10
0.13
1.10
0.61
0.25
A
B
D
E
G
M
L
H
J
TOP VIEW
K
C
1
2
3
MMBD2836 / MMBD2838
MMBD7000
WEITRON
http://www.weitron.com.tw
MMBD2836 / MMBD2838
MMBD7000
Unit
Characteristic
Symbol
Min
Max
Electrical Characteristics
(TA=25 C Unless Otherwise Note) (Each Diode)
Off Characteristics
Adc
Reverse Breakdown Voltage
Adc
(IBR=100 )
MMBD7000
Reverse Voltage Leakage Current
VR=50V, TJ=125 C
VR=50V
MMBD2836/MMBD2838
MMBD2836/MMBD2838
MMBD7000
VBR
IR
75
100
Vdc
VR=100V
MMBD7000
MMBD7000
0.1
1.0
3.0
100
-
-
Maximum Ratings
(EACH DIODE)
Characteristic
Reverse Voltage
Forward Current
Peak Forward Surge Current
Symbol
VR
Unit
Volts
MMBD2836 MMBD2838
MMBD7000
75
100
200
500
mAdc
mAdc
IF
IFM
100
Thermal Characteristics
Characteristic
Symbol
Total Device Dissipation FR-5
Board *
1
, TA=25 C
Derate Above 25 C
Total Device Dissipation
Alumina Substrate*
2
TA=25 C
Derate Above 25 C
P
D
P
D
Max
Unit
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Ambient
Junction and Storage Temperature
R JA
TJ, Tstg
225
1.8
556
300
2.4
417
-55 to + 150
mW
mW/ C
mW
mW/ C
C/W
C/W
C
*1 ER-5=1.0x0.75x0.062 in
*2 Alumina=0.4x0.3x0.024 in 99.5% Alumina
q
R JA
q
WEITRON
http://www.weitron.com.tw
Off Characteristic
Unit
Characteristic
Symbol
Min
Max
Diode Capacition
(VR=0, f=1.0MHz)
MMBD2836/MMBD2838
MMBD7000
MMBD2836/MMBD2838
MMBD7000
MMBD2836/MMBD2838
MMBD7000
MMBD2836/MMBD2838
Forward Voltage
(IF=1.0 mAdc)
(IF=10 mAdc)
(IF=50 mAdc)
(IF=100 mAdc)
Reverse Recovery Time (Figure 1.)
IF=IR=10 mAdc, VR=5.0Vdc
IR(REC)=1.0 mAdc, RL=100
C
D
VF
trr
4.0
1.5
4.0
PF
mVdc
nS
Device Marking
Item
Marking
Eqivalent Circuit diagram
1
2
3
1
2
3
MMBD2838
MMBD2836
MMBD7000
A6
A2
M5C
1
2
3
MMBD2836 / MMBD2838
MMBD7000
MMBD7000
700
1000
820
1000
1200
1100
WEITRON
http://www.weitron.com.tw
+10V
820
2.0K
100 H
0.1F
50 OUTPUT
PULSE
GENERATOR
50 INPUT
SAMPLING
OSCILLOSCOPE
IF
D.U.T.
0.1F
VR
INPUT SIGNAL
tr
tp
10%
90%
t
IF
IR
trr
t
IR(REC)=1.0mA
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
0.2
0.4
0.6
0.8
1.0
1.2
VF, FORWARD VOLTAGE (VOLTS)
100
10
1.0
0.1
I F
,
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(
m
A
)
FIGURE 2 .FORWARD VOLTAGE
TA=-40 C
TA=25 C
TA=85 C
0
10
20
30
40
50
VR. REVERSE VOLTAGE (VOLTS)
I A
.
R
E
V
E
R
S
E
C
U
R
R
E
N
T
(
A
)
10
1.0
0.1
0.01
0.001
TA=150 C
T A=125 C
TA=25 C
TA=55 C
TA=85 C
FIGURE 3. LEAKAGE CURRENT
VR. REVERSE VOLTAGE (VOLTS)
C
D
.
D
I
O
D
E
C
A
P
A
C
I
T
A
N
C
E
( P
F
)
FIGURE 4. CAPACITANCE(2836)
0
2.0
4.0
6.0
8.0
1.75
1.50
1.25
1.00
0.75
VR. REVERSW VOLTAGE (VOLTS)
C
D
.
D
I
O
D
E
C
A
P
A
C
I
T
A
N
C
E
( P
F
)
FIGURE 6. CAPACITANCE(7000)
0
2.0
4.0
6.0
8.0
0.68
0.64
0.60
0.56
0.52
VR. REVERSW VOLTAGE (VOLTS)
C
D
.
D
I
O
D
E
C
A
P
A
C
I
T
A
N
C
E
( P
F
)
FIGURE 5. CAPACITANCE(2838)
0
2
4
6
8
1.0
0.9
0.8
0.7
0.6
MMBD2836 / MMBD2838
MMBD7000
WEITRON
http://www.weitron.com.tw
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