1N4148

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1N4148
HIGH SPEED SWITCHING DIODE
DO - 35
PRV : 100 Volts
Io : 150 mA
FEATURES :
*
*
*
*
*
*
Silicon Epitaxial Planar Diode
High reliability
Low reverse current
Low forward voltage drop
High speed switching
Pb / RoHS Free
1.00 (25.4)
min.
0.079(2.0 )max.
0.150 (3.8)
max.
1.00 (25.4)
min.
0.020 (0.52)max.
MECHANICAL DATA :
* Case : DO-35 Glass Case
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.13 gram (approximately)
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING
SYMBOL
VALUE
UNIT
VRRM
100
V
VR
75
V
Maximum Average Forward Current
IF(AV)
150 1)
mA
Maximum Surge Forward Current at t < 1s and Tj = 25°C
IFSM
500
mA
Maximum Power Dissipation , Ta = 25 °C
PD
500
mW
Maximum Forward Voltage at IF = 10 mA
VF
1.0
V
25
nA
5
µA
50
µA
Vfr
2.5
V
Trr
4
ns
350 1)
K/W
Junction Temperature Range
RθJA
TJ
175
°C
Storage Temperature Range
TSTG
- 65 to + 175
°C
Maximum Repetitive Peak Reverse Voltage
Maximum Reverse Voltage
Maximum Reverse Current
at VR = 20V
at VR = 75V
IR
at VR = 20V, Tj = 150°C
Maximum Voltage Rise when switching ON
test with 50mA Pulses
tp = 0.1µs, Rise Time <30ns fp = 5 to 100kHz
Maximum Reverse Recovery Time
from IF = 10mA to IR = 1mA , VR = 6V , RL = 100Ω
Thermal Resistance Junction to Ambient Air
Note : 1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature (DO-35)
Page 1 of 2
Rev. 03 : March 25, 2005
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RATING AND CHARACTERISTIC CURVES ( 1N4148 )
FIG.2 - POWER DARATING CURVE
250
200
150
100
50
0
500
POWER DISSIPATION , mW
AVERAGE FORWARD OUTPUT
CURRENT, mA
FIG.1 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
0
25
50
75
100
125
150
400
300
200
100
0
175
0
AMBIENT TEMPERATURE, ( °C)
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
75
75
100
125
150
175
10
REVERSE CURRENT,
MICROAMPERES
FORWARD CURRENT, mA
50
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
100
10
Ta = 25 °C
1
Ta = 100 °C
1.0
0.1
Ta = 25 °C
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
FORWARD VOLTAGE, VOLTS
Page 2 of 2
25
AMBIENT TEMPERATURE, ( °C)
1.8
2.0
0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
Rev. 03 : March 25, 2005