semtech electronics ltd. 1n4148w

1N4148W
Silicon Epitaxial Planar Switching Diode
PINNING
Features
• SOD-123 package
• Fast switching
• These diodes are also available in other case
style including the DO-35 case with the type
designation 1N4148, the MiniMELF case with the
type designation LL4148 and the MicroMELF case
with the type designation MCL4148.
DESCRIPTION
PIN
1
Cathode
2
Anode
2
1
W1
Top View
Marking Code: "W1"
Simplified outline SOD-123 and symbol
Absolute Maximum Ratings (Ta = 25℃)
Parameter
Symbol
Peak Reverse Voltage
Unit
100
V
75
V
150
mA
0.5
1
4
A
400
mW
312
℃/W
Tj
150
℃
Tstg
- 65 to + 150
℃
VRM
Reverse Voltage
E
T
VR
Average Rectified Forward Current
Non-repetitive Peak Forward Surge Current
Power Dissipation
IF(AV)
at t = 1 s
at t = 1 ms
at t = 1 μs
M
E
Thermal Resistance from Junction to Ambient Air
Junction Temperature
Storage Temperature Range
S
Characteristics at Ta = 25℃
Parameter
H
C
Value
IFSM
Ptot
RθJA
Symbol
Min.
Max.
Unit
V(BR)R
75
-
V
-
0.715
0.855
1
1.25
-
1
25
50
30
µA
nA
µA
µA
Reverse Breakdown Voltage
at IR = 1 µA
Forward Voltage
at IF = 1 mA
at IF = 10 mA
at IF = 50 mA
at IF = 150 mA
Peak Reverse Current
at VR = 75 V
at VR = 20 V
at VR = 75 V, TJ = 150℃
at VR = 25 V, TJ = 150℃
VF
IR
V
Total Capacitance
at VR = 0 V, f = 1 MHz
CT
-
2
pF
Reverse Recovery Time
at Irr = 0.1 X IR, IF = IR = 10 mA, RL = 100 Ω
trr
-
4
ns
SEMTECH ELECTRONICS LTD.
®
Dated: 02/04/2015 Rev: 04
1N4148W
Forward characteristics
3
102
Rectification Efficiency Measurement Circuit
I F ( m A)
Vo
5K
~
~
~
2nF
60
VRF =2V
10
10
Tj=100 C
Tj=25 C
1
10-2
10-1
0
H
C
2
1
VF (V)
Power Dissipation vs Ambient Temperature
Leakage current vs. junction temperature
10
4
E
T
5
600
Power Dissipation: Ptot (mW)
2
103
500
400
300
M
E
200
100
0
0
S
25
50
75
100
125
150
Ambient Temperature: Ta ( C)
O
I R (nA)
5
2
102
5
2
10
5
VR=20V
2
1
0
100
200
Tj ( C)
Reverse
Reverse capacitance
capacitance vs.
vs. reverse
reverse voltage
voltage
1.1
1.1
Ctot
tot ((VR)
R)
V)
(0 V)
Ctot
tot (0
1.0
1.0
Tj=25
Tj=25 CC
f=1MHz
f=1MHz
0.9
0.9
0.8
0.8
0.7
0.7
00
22
44
66
88
10
10
VVRR (V)
(V)
SEMTECH ELECTRONICS LTD.
®
Dated: 02/04/2015 Rev: 04
1N4148W
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SOD-123
c
A
∠ ALL ROUND
HE
D
E
bp
M
E
S
E
T
A
UNIT
A
bp
c
D
E
HE
v
∠
mm
1.15
1.05
0.6
0.5
0.135
0.100
2.7
2.6
1.65
1.55
3.85
3.55
0.2
5
H
C
O
SEMTECH ELECTRONICS LTD.
®
Dated: 02/04/2015 Rev: 04