Fairchild MMBD4148, MMBD4148SE, MMBD4148CC, MMBD4148CA service manual
MMBD4148/SE/CC/CA
MMBD4148/SE/CC/CA
Connection Diagram
4148 4148SE
3
3
3
3
1
SOT-23
2
MMBD4148
MMBD4148CC
5H
12
MARKING
5HD5MMBD4148CA
MMBD4148SED6D4
1
3
2
1
1
Small Signal Diode
Absolute Maximum Ratings * T
Symbol Parameter Value Units
V
RRM
I
F(AV)
I
FSM
T
STG
T
J
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Maximum Repetitive Reverse Voltage 100 V
Average Rectified Forward Current 200 mA
Non-repetitive Peak Forward Surge Current
Pulse Width = 1.0 second
Pulse Width = 1.0 microsecond
Storage Temperature Range -55 to +150 °C
Operating Junction Temperature 150 °C
= 25°C unless otherwise noted
A
1.0
2.0
Thermal Characteristics
Symbol Parameter Value Units
P
D
R
θJA
Power Dissipation 350 mW
Thermal Resistance, Junction to Ambient 357 °C/W
2
1
4148CA4148CC
3
2
A
A
Electrical Characteristics T
=25°C unless otherwise noted
A
Symbol Parameter Test Conditions Min. Max. Units
V
R
V
F
I
R
C
T
t
rr
©2004 Fairchild Semiconductor Corporation MMBD4148/SE/CC/CA, Rev. A1
Breakdown Voltage IR = 5.0µA
I
= 100µA
R
75
100
Forward Voltage IF = 10mA 1.0 V
Reverse Leakage Current VR = 20V
V
= 20V, TA = 150°C
R
V
=75V
R
25
50
5.0
nA
µA
µA
Total Capacitance VR = 0V, f = 1.0MHz 4.0 pF
Reverse Recovery Time IF = 10mA, VR = 6.0V,
I
= 1.0mA, RL = 100Ω
RR
4.0 ns
V
V
T ypical Characteristics
]
MMBD4148/SE/CC/CA
150
140
[V]
R
130
120
Ta= 25 C
°
Reverse Voltage, V
110
1 2 3 5 10 20 30 50 1 0 0
Reverse Current, IR [uA]
Figure 1. Reverse Voltage vs Reverse Current
BV - 1.0 to 100uA
Ta= 25 C
450
[mV]
400
F
350
300
Forward Voltage, V
250
°
1 2 3 5 10 20 30 50 100
Forward Current, IF [uA]
Figure 3. Forward V oltage vs Forward Current
VF - 1.0 to 100 uA
°
Ta= 25 C
300
250
[nA]
R
200
150
100
Reverse Current, I
50
0
10 20 30 50 70 100
Reverse Voltage, V[V
Figure 2. Reverse Current vs Reverse Voltage
IR - 10 to 100 V
Ta= 25 C
700
650
[mV]
F
600
550
500
Forward Voltage, V
450
°
0.1 0.2 0.3 0.5 1 2 3 5 10
Forw a rd Current, IF [mA]
Figure 4. Forward Voltage vs Forward Current
VF - 0.1 to 10 mA
1.3
Ta= 25 C
°
Ta= 25 C
1.4
[V]
1.2
F
1.0
0.8
Forward Voltage, V
0.6
10 2 0 30 50 1 00 2 00 30 0 5 00
Forward Current, I
[mA]
Figure 5. Forward V oltage vs Forward Current
1.2
1.1
Total Capacitance [pF]
1.0
Figure 6. T otal Capacitance vs Reverse V oltage
°
0 2 4 6 8 10 12 14
Reverse Voltage [V]
VF - 10 - 800 mA
©2004 Fairchild Semiconductor Corporation MMBD4148/SE/CC/CA, Rev. A1
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