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MMBD914
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
A
Unit:mm
TOP VIEW
B
C
E
G H
D
K L
J
M
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
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MMBD914
Maximum Ratings
Rating Reverse Voltage Forward Current Peak Forward Surge Current Symbol VR IF IFM(Surge) Value
100 200 500
Unit Vdc mAdc mAdc
Thermal Characteristics
Characterictics Total Device Dissipation FR-5 Board TA=25 C Derate Above 25 C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate,(2)TA=25 C Derate Above 25 C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD R qJA PD R qJA TJ, Tstg Max 225 1.8 556 300 2.4 417 -55 to + 150 Unit mW mW/ C C/W mW mW/ C C/W C
Electrical Characteristics (TA=25 C Unless Otherwise note)
Characterictics Symbol Min Max Unit
Off Characteristics
Reverse Breakdown Votalge (IR=100Adc) Forward Voltage(IF=10mAdc) Reverse Voltage Leakage Current (VR=20Vdc) (VR=75Vdc) V(BR) VF IR CT trr 100 1000 0.025 5.0 4.0 4.0 Vcc mVdc Adc pF ns
Diode Capacitance (VR=0, f=1.0MHz) Revarse Recover Time (IF=IR=10mAdc) 1. FR-5=1.0x0.75x0.062 in
2.Alumina=0.4x0.3x0.024 in. 99.5% alumina.
Device Marking
Item MMBD914 Marking 5D Eqivalent Circuitdiagram
3 1
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MMBD914
820 +10V 2.0K 100 H 0.1F D.U.T. 50 OUTPUT PULSE GENERATOR 501/2 INPUT SAMPLING OSCILLOSCOPE VR IF 0.1F tr 10% tp t IF trr t
90% INPUT SIGNAL IR 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
100
IF, FORWARD CURRENT (mA)
10 IR, REVERSE CURRENT (A)
TA=150 C
1.0
TA=85 C 10 TA= -40 C
TA=125 C
0.1
TA=85 C
1.0
TA=25 C
TA=55 C
0.01
0.1
0.2
0.4
0.6
0.8
1.0
1.2
0.001
TA=25 C 0 10 20 30 40 50
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Forward Voltage
VF, FORWARD VOLTAGE (VOLTS)
Figure 3. Leakage Current
0.68 CD, DIODE CAPACITANCE (pF)
0.64
0.60
0.56
0.52
0
2
4
6
8
VR, REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
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