LESHAN RADIO COMPANY, LTD.
G201/2
1
3
2
CASE 31808, STYLE 12
SOT 23 (TO236AB)
MMBD2835LT1
MMBD2836LT1
MAXIMUM RATINGS
Rating
Symbol
Va l u e
Unit
Reverse Voltage MMBD2835LT1
V
R
35
Vdc
MMBD2836LT1
75
Forward Current
I
F
100
mAdc
THERMAL CHARACTERISTICS
Characteristic
Symbol
M a x
Unit
Total Device Dissipation FR 5 Board
(1)
P
D
225
mW
T
A
= 25°C
Derate above 25°C
1.8
mW/°C
Thermal Resistance, Junction to Ambient
R
JA
556
°C/W
Total Device Dissipation
P
D
300
mW
Alumina Substrate,
(2)
T
A
= 25°C
Derate above 25°C
2.4
mW/°C
Thermal Resistance, Junction to Ambient
R
JA
417
°C/W
Junction and Storage Temperature
T
J
, T
stg
55 to +150
°C
DEVICE MARKING
MMBD2835LT1 = A3X;MMBD2836LT1=A2X
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)( EACH DIODE )
Characteristic
Symbol
Min
M a x
Unit
OFF CHARACTERISTICS
Reverse Breakdown Voltage(I
R
= 100
µ
Adc) MMBD2835LT1
V
(BR)
35
--
Vdc
MMBD2836LT1
75
--
Reverse Voltage Leakage Current
I
R
nAdc
(V
R
= 30 Vdc) MMBD2835LT1
--
100
(V
R
= 50 Vdc) MMBD2836LT1
--
100
Diode Capacitance
C
T
--
4.0
pF
(V
R
= 0, f = 1.0 MHz)
Forward Voltage(I
F
= 10 mAdc)
V
F
--
1.0
Vdc
(I
F
= 50 mAdc)
--
1.0
(I
F
= 100 mAdc)
--
1.2
Reverse Recovery Time(I
F
= I
R
= 10 mAdc, I
R(REC)
= 1.0mAdc) (Figure 1)
t
rr
--
4.0
ns
1. FR5 = 1.0 x 0.75 x 0.062 in.
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
Monolithic Dual Switching Diodes
2
CATHODE
CATHODE
1
ANODE
3
LESHAN RADIO COMPANY, LTD.
G202/2
Notes: 1. A 2.0 k
variable resistor adjusted for a Forward Current (I
F
) of 10mA.
Notes:
2. Input pulse is adjusted so I
R(peak)
is equal to 10mA.
Notes:
3. t
p
» t
rr
Figure 1. Recovery Time Equivalent Test Circuit
+10 V
2.0 k
820
100
µ
H
0.1
µ
F
DUT
0.1
µ
F
50
OUTPUT
PULSE
GENERATOR
t
r
50
INPUT
SAMPLING
OSCILLOSCOPE
t
p
t
10%
90%
I
F
I
R
t
rr
t
i
R(REC)
= 1.0 mA
OUTPUT PULSE
(I
F
= I
R
= 10 mA; MEASURED
at i
R(REC)
= 1.0 mA)
INPUT SIGNAL
I
F
V
R
MMBD2835LT1 MMBD2836LT1
I
F
, FORWARD CURRENT (mA)
I
R
, REVERSE CURRENT (
µ
A)
10
1.0
0.1
0.01
0.001
0
10
20
30
40
50
100
10
1.0
0.1
0.2
0.4
0.6
0.8
1.0
1.2
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 3. Leakage Current
V
F
, FORWARD VOLTAGE (VOLTS)
Figure 2. Forward Voltage
T
A
= 40°C
T
A
= 85°C
T
A
= 25°C
T
A
=125°C
T
A
=150°C
T
A
=85°C
T
A
=55°C
T
A
=25°C
1.75
1.50
1.25
1.00
0.75
0
2.0
4.0
6.0
8.0
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
C
D
, DIODE CAP
ACIT
ANCE (pF)
CURVES APPLICABLE TO EACH CATHODE
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