MMBD4148/SE/CC/CA
MMBD4148/SE/CC/CA
Connection Diagram
4148 3
3 3
4148SE 3
2 1 1
5H
2
MARKING 5H MMBD4148CA D6 MMBD4148 MMBD4148CC D5 MMBD4148SE D4
1 4148CC 3
1 3
2 4148CA
SOT-23
1
2
1
2
Small Signal Diode Absolute Maximum Ratings *
Symbol VRRM IF(AV) IFSM
TA = 25°C unless otherwise noted
Parameter Maximum Repetitive Reverse Voltage Average Rectified Forward Current Non-repetitive Peak Forward Surge Current Pulse Width = 1.0 second Pulse Width = 1.0 microsecond Storage Temperature Range Operating Junction Temperature
Value 100 200 1.0 2.0 -55 to +150 150
Units V mA A A °C °C
TSTG TJ
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Thermal Characteristics
Symbol PD RθJA Parameter Power Dissipation Thermal Resistance, Junction to Ambient Value 350 357 Units mW °C/W
Electrical Characteristics
Symbol VR VF IR
TA=25°C unless otherwise noted
Parameter Breakdown Voltage Forward Voltage Reverse Leakage Current
Test Conditions IR = 5.0µA IR = 100µA IF = 10mA VR = 20V VR = 20V, TA = 150°C VR =75V VR = 0V, f = 1.0MHz IF = 10mA, VR = 6.0V, IRR = 1.0mA, RL = 100Ω
Min. 75 100
Max.
Units V V V nA µA µA pF ns
1.0 25 50 5.0 4.0 4.0
CT trr
Total Capacitance Reverse Recovery Time
©2004 Fairchild Semiconductor Corporation
MMBD4148/SE/CC/CA, Rev. A1
MMBD4148/SE/CC/CA
Typical Characteristics
150
Ta= 25 °C
300
Ta= 25 ° C
Reverse Voltage, V R [V]
Reverse Current, IR [nA]
1 2 3 5 10 20 30 50 100
140
250
200
130
150
120
100
50
110
0
Reverse Current, IR [uA]
10
20
30
50
70
100
Reverse Volta g e, V R [V ]
Figure 1. Reverse Voltage vs Reverse Current BV - 1.0 to 100uA
Figure 2. Reverse Current vs Reverse Voltage IR - 10 to 100 V
Ta= 25 °C
450 700
Ta= 25 ° C
Forward Voltage, VF [ mV]
1 2 3 5 10 20 30 50 100
Forward Voltage, VF [mV]
650
400
600
350
550
300
500
250 450
0.1
0.2
0.3
0.5
1
2
3
5
10
Forward Current, IF [uA]
Forward Current, IF [ mA]
Figure 3. Forward Voltage vs Forward Current VF - 1.0 to 100 uA
Figure 4. Forward Voltage vs Forward Current VF - 0.1 to 10 mA
1.3
Ta= 25 ° C
Ta= 25 ° C
Forward Voltage, VF [V]
Total Capacitance [pF]
10 20 30 50 100 200 300 500
1.4
1.2
1.2
1.0
1.1
0.8
0.6
1.0 0 2 4 6 8 10 12 14
Forw ard C urrent, I F [ m A ]
R everse V oltage [V]
Figure 5. Forward Voltage vs Forward Current VF - 10 - 800 mA
Figure 6. Total Capacitance vs Reverse Voltage
©2004 Fairchild Semiconductor Corporation
MMBD4148/SE/CC/CA, Rev. A1
MMBD4148/SE/CC/CA
Typical Characteristics
(continued)
4.0
400
Ta= 25 °C
Reverse Recovery Time [nS]
3.5
300
3.0
Current [mA]
2.5
200
IF
(AV
)
-A V
ER
AG
2.0
ER E
CT
100
IF IE
DC U
RR
1.5
0
EN
Tm
A
1.0 10 20 30 40 50 60
0
50
100
150
Reverse Current [mA]
Ambient Temperature, T A [ ° C ]
Figure 7. Reverse Recovery Time vs Reverse Current TRR - IR 10 mA vs 60 mA
Figure 8. Average Rectified Current (IF(AV)) versus Ambient Temperature (TA)
500
Power Dissipation, P [ mW ] D
400
DO-35 Pkg
300
SOT-23 Pkg
200
100
0 0 50 100 150 200
Average T em perature, I O [ ° C ]
Figure 9. Power Derating Curve
©2004 Fairchild Semiconductor Corporation
MMBD4148/SE/CC/CA, Rev. A1
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks.
ACEx™
ActiveArray™ Bottomless™ CoolFET™ CROSSVOLT™ DOME™ EcoSPARK™ E2CMOS™ EnSigna™ FACT™ FACT Quiet Series™
FAST® FASTr™ FPS™ FRFET™ GlobalOptoisolator™ GTO™ HiSeC™ I2C™ i-Lo™ ImpliedDisconnect™
Across the board. Around the world.™ The Power Franchise® Programmable Active Droop™
ISOPLANAR™ LittleFET™ MICROCOUPLER™ MicroFET™ MicroPak™ MICROWIRE™ MSX™ MSXPro™ OCX™ OCXPro™ OPTOLOGIC® OPTOPLANAR™ PACMAN™ POP™
Power247™ PowerSaver™ PowerTrench® QFET® QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ µSerDes™ SILENT SWITCHER® SMART START™ SPM™ Stealth™
SuperFET™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic® TINYOPTO™ TruTranslation™ UHC™ UltraFET® VCX™
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life support 1. Life support devices or systems are devices or systems device or system whose failure to perform can be which, (a) are intended for surgical implant into the body, reasonably expected to cause the failure of the life support or (b) support or sustain life, or (c) whose failure to perform device or system, or to affect its safety or effectiveness. when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
PRODUCT STATUS DEFINITIONS Definition of Terms
Datasheet Identification Advance Information Product Status Formative or In Design First Production Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
©2004 Fairchild Semiconductor Corporation
Rev. I11
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