1N4149 HIGH SPEED SWITCHING DIODE
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
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)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at
25
°
.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL VALUE UNIT
Maximum Repetitive Peak Reverse Voltage VRRM 100 V
Maximum Reverse Voltage VR75 V
Maximum Average Forward Current IF(AV) 150 1) mA
Maximum Surge Forward Current at t < 1s and Tj = 25°CIFSM 500 mA
Maximum Power Dissipation , Ta = 25 °CPDmW
Maximum Forward Voltage at IF = 10 mA VF1.0 V
Maximum Reverse Current at VR = 75V IR5 nA
Maximum Reverse Recovery Time
from IF = 10mA to IR = 1mA , VR = 6V , RL = 100Ω
Junction Temperature Range TJ175 °C
Storage Temperature Range TSTG - 65 to + 175 °C
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. 02 : March 25, 2005
ns
RATING
500
Trr 4
DO - 35
0.079(2.0 )max.
0.150 (3.8)
max.
0.020 (0.52)max.
Dimensions in inches and ( millimeters )
1.00 (25.4)
min.
1.00 (25.4)
min.
RATING AND CHARACTERISTIC CURVES ( 1N4149 )
FIG.1 - DERATING CURVE FOR OUTPUT FIG.2 - POWER DARATING CURVE
RECTIFIED CURRENT
0 25 50 75 100 125 150 175 0 25 50 75 75 100 125 150 175
AMBIENT TEMPERATURE, ( °C) AMBIENT TEMPERATURE, ( °C)
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE, VOLTS
Page 2 of 2 Rev. 02 : March 25, 2005
200
150
100
50
250
10
1.0
400
0
500
0
300
200
100
80
10
0.01
100
0.1
100
020 40 60 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
POWER DISSIPATION , mW
AVERAGE FORWARD OUTPUT
CURRENT, mA
FORWARD CURRENT, mA
REVERSE CURRENT,
MICROAMPERES
Ta = 25 °C
Ta = 100 °C
1
T
a
=
25
°
C
140