1N4148WT SURFACE MOUNT
FA
S
T
S
WIT
C
HIN
G
DI
O
DE
PRV : 100 Volts
Io : 125 mA
FEATURES :
* Fast switching diodes.
* Ultra-Small Surface Mount Package
* For General Purpose Switching Applications
* High Conductance
* Pb / RoHS Free
MECHANICAL DATA :
* Case : SOD-523 plastic
* Moisture Sensitivity : Level 1 per J-STD-020A
* Polarity : Cathode Band
* Terminals : Finish - Matte Tin
Solderable per MIL-STD-202, Method 208
* Marking Code : " WB"
MAXIMUM RATINGS AND THERMAL CHARACTERISTICS (TJ = 25 °C)
Parameter Symbol Unit
Non-Repetitive Peak Reverse Voltage VRM V
Reverse Voltage VRV
RMS Reverse Voltage VR(RMS) V
Forward Continuous Current IFM mA
Average Rectified Output Current IF(AV) mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0 µs
@ t = 100 µs
Power Dissipation Ptot mW
Thermal Resistance Junction to Ambient Air RӨJA °C/W
Operating Junction Temperature Range TJ°C
Storage Temperature Range TSTG °C
ELECTRICAL CHARACTERISTIC
S
(TJ = 25 °C)
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Reverse Breakdown Volta
ge
(
1
)
IR = 1.0 µA V(BR)R 75 - - V
Forward Voltage IF = 1.0 mA - - 0.715
IF = 10 mA - - 0.855
IF = 50 mA - - 1.00
IF = 150 mA - - 1.25
Peak Reverse Current
(
1
)
VR = 75 V - - 1.0 µA
VR = 75 V, TJ = 150 °C - - 50 µA
VR = 25 V, TJ = 150 °C - - 30 µA
VR = 20 V - - 25 nA
Total Capacitance VR = 0 V, f = 1MHz CT--2pF
Reverse Recovery Time Irr =0.1xIR, IF = IR =10 mA, RL = 100 Ω Trr - - 4 ns
Note : (1) Short duration pulse test used to minimize self- heating effect.
Page 1 of 2 Rev. 01 : May 22, 2006
VF
IR
V
IFSM
150
833
-65 to + 150
-65 to + 150
A
Value
100
53
75
250
125
2.0
1.0
0.70
0.60
0.135
0.127
0.85
0.75
1.65
1.55
0.4
0.3
1.25
1.15
Dimensions in millimeters
SOD-523
Certificate TH97/10561QM Certificate TW00/17276EM
RATING AND CHARACTERISTIC CURVES ( 1N4148WT )
FIG.1 - DERATING CURVE FIG.2 - TYPICAL CAPACITANCE
VS. REVERSE VOLTAGE
0 25 50 75 100 125 150 175 0 10 20 30 40
AMBIENT TEMPERATURE, ( °C) REVERSE VOLTAGE , (V)
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0 0.5 1.0 1.5 0 20 40 60 80 100
INSTANTANEOUS FORWARD VOLTAGE, (V) INSTANTANEOUS REVERSE VOLTAGE, (V)
Page 2 of 2 Rev. 01 : May 22, 2006
50
200
10000
1000
1.8
0
2.0
0
1.0
1.
0.2
0.1
0.01
10
1.0
100
TOTAL CAPACITANCE , (pF)
POWER DISSIPATION, (mA)
INSTANTANEOUS FORWARD
CURRENT, (A)
INSTANTANEOUS REVERSE
CURRENT, (nA)
RӨJA = 833 °C/W
0.00
100
150
0.4
0.6
0.8
1.
1.
f = 1.0 MHz
Ta = 150 °C
Ta = 75 °C
Ta = 25 °C
Ta = 25 °C
Ta = 75 °C
Ta = 150
Certificate TH97/10561QM Certificate TW00/17276EM
