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Zowie Technology Corporation Monolithic Dual Switching Diode
3 CATHODE 1 2 3 2 ANODE ANODE 1
MMBD2837
SOT-23
MAXIMUM RATINGS
Rating Peak Reverse Voltage D.C Reverse Voltage Peak Forward Current Average Rectified Current Symbol VRM VR IFM IO Value 75 30 450 300 150 100 Unit Vdc Vdc mAdc mAdc
THERMAL CHARACTERISTICS
Characteristic Total Device Dissipation FR-5 Board o Derate above 25 C
(1)
Symbol TA=25 C
o
Max. 225 1.8 556 300 2.4 417 -55 to +150
Unit mW mW / oC
o
PD R JA
Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, o Derate above 25 C Thermal Resistance, Junction to Ambient Junction and Storage Temperature
(2)
C/W
TA=25 C
o
PD R JA TJ,TSTG
mW mW / oC
o
C/W o C
DEVICE MARKING MMBD2837=A5 ELECTRICAL CHARACTERISTICS (TA=25 C unless otherwise noted) (EACH DIODE)
Characteristic Symbol Min. Max. Unit
o
OFF CHARACTERISTICS
Reverse Breakdown Voltage ( IBR=100 uAdc ) Forward Voltage ( IF=10 mAdc ) ( IF=50 mAdc ) ( IF=100 mAdc ) V(BR) 35 0.1 1000 1000 1200 Vdc
VF
mVdc
Reverse Voltage Leakage Current ( VR=30 Vdc )
IR
uAdc
Diode Capacitance ( VR=0, f=1.0MHZ ) Reverse Recovery Time ( IF=IR=10 mAdc, IR(REC=1.0mAdc, measured at IR=1.0mA RL=100
(1) FR-5=1.0 x 0.75 x 0.062in. (2) Alumina=0.4 x 0.3 x 0.024in. 99.5% alumina.
REV. : 0
CJ
-
4.0
pF
)
trr
-
4.0
nS
Zowie Technology Corporation
Zowie Technology Corporation
MMBD2837
FIGURE 1. RECOVERY TIME EQUIVALENT TEST CIRCUIT 820 +10 V 2k 100uH 0.1uF D.U.T. OUTPUT PULSE GENERATOR 50 50 INPUT SAMPLING OSCILLOSCOPE 90% VR INPUT SIGNAL IR iR(REC) = 1mA OUTPUT PULSE (I F = I R = 10 mA; measured at iR(REC) = 1mA IF 0.1uF IF trr T
tr 10%
tp
T
Notes: 1. A 2.0k variable resistor adjusted for a Forward Current (IF) of 10mA. 2. Input pulse is adjusted so IR(peak) is equal to 10mA. 3. tp trr
FIGURE 2. FORWARD VOLTAGE
100 10
FIGURE 3. LEAKAGE CURRENT
TA=150 C
o
IF, FORWARD CURRENT ( mA )
IR, REVERSE CURRENT ( uA )
TA=85 C 10 TA= -40 C
o
o
TA=125 C 1.0
o
TA=85 C 0.1 TA=55 C 0.01
o o
o
1.0
TA=25 C
o
TA=25 C 0.1 0.2 0.001 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50
VF, FORWARD VOLTAGE ( VOLTS )
VR, REVERSE VOLTAGE ( VOLTS )
FIGURE 4. CAPACITANCE
1.0
DIODE CAPACITANCE ( pF )
0.9
0.8
0.7
0.6 0 2 4 6 8
VR, REVERSE VOLTAGE ( VOLTS )
REV. : 0
Zowie Technology Corporation

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