概述
数据手册1N4148-LFR 概述
SILICON EPITAXIAL PLANAR DIODE 硅外延平面二极管
1N4148-LFR 数据手册
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SILICON EPITAXIAL PLANAR DIODE
1N4148-LFR
FEATURES
z FAST SWITCHING
z SMALL SIZE
z ROHS
0.52∅
1.9 ∅
3.9
MECHANICAL DATA
z CASE: GLASS, DO35, DIMENSIONS IN MILLIMETERS
z LEADS: SOLDERABLE PER MIL-STD-202, METHOD 208
z POLARITY: CATHODE INDICATED BY COLOR BAND
z WEIGHT: 0.13 GRAMS
27.5
MIN
RATINGS
SYMBOL
1N4148-LFR
UNITS
REVERSE VOLTAGE
VR
75
V
V
PEAK REVERSE VOLTAGE
VRM
100
RECTIFIED CURRENT (AVERAGE)
HALF WAVE RECTIFICATION WITH RESIST LOAD
AT Tamb=25 ºC AND f ≥ 50HZ (NOTE 1)
SURGE FORWARD CURRENT AT T<1 s AND TJ=25 ºC
POWER DISSIPATION AT Tamb=25 ºC
JUNCTION TEMPERATURE
IO
150
mA
IFSM
PTOT
TJ
500
500
mA
mW
ºC
200
STORAGE TEMPERATURE RANGE
TS
- 55 TO + 200
ºC
ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS @ TJ＝25 ºC
FORWARD VOLTAGE AT IF=10mA
SYMBOL
VF
MIN
-
TYP
-
MAX
1
UNITS
V
LEAKAGE CURRENT
AT VR=20V
AT VR=75V
AT VR=20V TJ=150 ºC
IR
IR
IR
-
-
-
-
-
-
25
5
50
nA
μA
μA
REVERSE BREAKDOWN VOLTAGE
TESTED WITH 100μA PULSES
CAPACITANCE AT VF=VR=0
VOLTAGE RISE WHEN SWITCHING ON
TESTED WITH 50mA FORWARD PULSES
VR
100
-
-
-
-
V
CTOT
4
PF
VFR
-
-
2.5
V
TP=0.1μS RISE TIME＜30ns FP=5 TO 100 KHZ
REVERSE RECOVERY TIME
FROM IF=10mA TO IR=1mA VR=6V RL=100Ω
THERMAL RESISTANCE
JUNCTION TO AMBIENT AIR (NOTE 1)
RECTIFICATION EFFICIENCY
AT f =100 MHZ VRF=2V
TRR
RTHA
NV
-
-
-
-
-
4
0.35
-
nS
K / mW
-
0.45
NOTE:
1. LEADS KEPT AT AMBIENT TEMP. AT 8mm LENGTH
1N4148-LFR
Page: 1
FIG.1A- Range for Units to 12 Volts
FIG.1B- Range for Units to 12 to 100 Volts
+12
+10
+8
100
70
50
30
20
+6
10
7
5
VZ@IZT
+4
RANGE
+2
0
VZ@IZT
RANGE
3
2
-2
-4
1
2
3
4
5
6
7
8
9
10 11 12
10
20
30
50
70
100
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
Figure 2. Temperature Coefficients (-55ºC to+150ºC temperature change; 90% of the units are in the ranges indicated.)
175
+6
VZ@IZ
TA=25ºC
150
125
100
+4
20mA
+2
0.01mA
75
50
25
0
0
1mA
-2
NOTE:BELOW 3 VOLTS AAND ABOCE 8
VOLTS
CHANGES IN ZENER CURRENT DO NOT
-4
3
4
5
6
7
8
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
L, LEAD LENGTH TO HEAT SINK (INCHES)
VZ, ZENER VOLTAGE (VOLTS)
Figure 3. Typical Thermal Resistance versus Lead Length
Figure 4. Effect of Zener Current
1000
700
500
400
300
200
Tj=25ºC
Iz(ms)=0.1Iz(do)
Iz=1mA
f=60hz
200
0VBIAS
100
70
50
100
50
5mA
0VBIAS
20
20mA
10
7
20
5
10
8
2
1
50%OF BREAKDOWNBIAS
4
1
2
3
5
7
10
20 30
50 70 100
1
2
5
10
20
50
100
VZ, ZENER CURRENT (mA)
VZ, NOMINAL VZ (VOLTS)
Figure. 7 - Power Temperature Derating Curve
1.25
1.0
0.75
0.5
0.25
0
20 40
60
80 100 120 140 160 180 200
T , LEAD TEMPERATURE (OC)
L
1N4148-LFR
Page: 1
1N4148-LFR 相关器件
| 型号 | 制造商 | 描述 | 价格 | 文档 |
| 1N4148-P | VISHAY | Small Signal Fast Switching Diodes | 获取价格 |
|
| 1N4148-P-TAP | VISHAY | SWITCHING DIODE GENPURP DO35-E2 - Tape and Reel | 获取价格 |
|
| 1N4148-P_12 | VISHAY | Small Signal Fast Switching Diodes | 获取价格 |
|
| 1N4148-T | ROHM | FAST SWITCHING DIODE | 获取价格 |
|
| 1N4148-T | RECTRON | Rectifier Diode, 1 Element, 0.15A, 100V V(RRM), Silicon, DO-35, HERMETIC SEALED, GLASS, MINIMELF-2 | 获取价格 |
|
| 1N4148-T26A | ONSEMI | Small Signal Diode | 获取价格 |
|
| 1N4148-T3 | WTE | FAST SWITCHING DIODE | 获取价格 |
|
| 1N4148-T3 | ROHM | FAST SWITCHING DIODE | 获取价格 |
|
| 1N4148-T3 | SENSITRON | Rectifier Diode, 1 Element, 0.15A, 75V V(RRM), Silicon, DO-35, GLASS PACKAGE-2 | 获取价格 |
|
| 1N4148-T3-LF | WTE | Rectifier Diode, 1 Element, 0.15A, 75V V(RRM), Silicon, DO-35, ROHS COMPLIANT, GLASS PACKAGE-2 | 获取价格 |
|
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