MC4148 [DIOTECH]
SMALL SIGNAL SWITCHING DIODE; 小信号开关二极管
| 型号： | MC4148 |
| 厂家： | 
DIOTECH COMPANY. |
| 描述： | SMALL SIGNAL SWITCHING DIODE |
| 文件： | 总2页 (文件大小：882K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MC4148 / MCL4448
SMALL SIGNAL SWITCHING DIODE
FEATURES
MICRO-MELF
● Silicon epitaxial planar diode
● Fast switching diodes
● 500mw power dissipation
● High temperature soldering guaranteed
250℃/10S at terminals
MECHANICAL DATA
.008(0.2)
.043(1.1)
.008(0.2)
Case: MICRO MELF, Glass
Terminals: Solderable per MIL-STD-750, Method 2026
Polarity : Color band denotes cathode end
Mounting Position: Any
.079(2.0)
.071(1.8)
Weight :0.011 grams
Dimensions in inches and (millimeters)
Maximum Ratings ( T =25 C Unless otherwise noted)
A
SYMBOL
VRM
PARAMETER
Peak Reverse Voltage
MCL4148 / MCL4448
UNITS
V
100
150
500
500
1.0
Maximum Average Forward Current at Ta=25 OC And f >50Hz
Surge Forward Current at t < 1s and Tj= =25 OC
Power Dissipation at Tamb= 25 OC
IF(AV)
IFSM
mA
mA
mW
V
PTOT
VF
Maximum Forward Voltage at IF =10mA
Maximum Leakage Current
at VR=20V
nA
µA
µA
25
5
50
IR
at VR=75V
at VR=20V ,T
J
= 150OC
Maximum Capacitance at VF =VR=0
CJ
trr
4
4
pF
ns
Maximum Reverse Recovery Time From
IF =-IR =10mA to IRR=-1mA ,VR=6V RL=100 Ω
Typical Thermal Resistance
RθJA
300
OC / W
OC
Junction Temperature and Storage Temperature Range
TJ,TS
-65 to +175
NOTE:
1. CJ at VR=0, f=1MHZ
2. From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω
MCL4148 / MCL4448
RATINGS AND CHARACTERISTIC CURVES
FIG. 2-REVERSE CURRENT VERSUS CONTINUOUS
FIG. 1-ADMISSIBLE POWER DISSIPATION
VERSUS AMBIENT TEMPERATURE
REVERSE VOLTAGE (TYPICAL VALUES)
800
700
600
500
400
300
200
100
0
1
0.1
0.01
TJ=25 C
0.001
0.0001
0
100
200℃
AMBIENT TEMPERATURE,℃
40
60
80
100
120
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 3-FORWARD CHARACTERISTICS
FIG. 4-RELATIVE CAPACTANCE VERSUS
REVERSE VOLTAGE
16
14
12
10
8
1.2
1.0
0.8
0.6
0.4
6
4
2
0
0
1
2V
INSTANTANEOUS FORWARD VOLEAGE,
V0LTS
0
5
10V
REVERSE VOLTAGE,VOLTS.
FIG. 5-ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION
100
n=tp/T
V=tp/T T=1/fp
tp
IFRM
10
n=0
0.1
0.2
T
1
0.5
0.1
0.01
0.1
1
10
100
1000ms
tp,PULSE DURATION,ms
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