DC COMPONENTS CO., LTD.
R
RECTIFIER SPECIALISTS
DLM4148
DLM4448
TECHNICAL SPECIFICATIONS OF
SURFACE MOUNT SWITCHING DIODES
VOLTAGE RANGE - 100 Volts
CURRENT - 0.15 Ampere
FEATURES
*
*
*
*
*
*
Low power loss, high efficiency
Low leakage
Low forward voltage drop
High speed switching
High current capability
High reliability
Micro Melf
MECHANICAL DATA
* Case: Glass sealed case Micro Melf
* Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.05 grams Approx.
.008(0.2)
.079(2.0)
.071(1.8)
.008(0.2)
.049(1.25)
.047(1.20)
CATHODE MARK
.043(1.1)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
O
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
SYMBOL
Maximum Reverse Voltage
Maximum Recurrent Peak Reverse Voltage
Maximum Average Rectified Current
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Power Dissipation Tamb=25
o
C
Maximum Forward Voltage
Maximum Reverse Current at Rated DC Blocking Voltage @ T
A
=25
o
C
Maximum Reverse Recovery Time(Note 1)
Typical Junction Capacitance(Note 2)
Operating and Storage Temperature Range
Note: 1. Test conditions: I
F
=I
R
=10mA, R
L
=100Ω, measured at I
R
=1mA
2. Measured at 1MHz and V
R
=0
V
R
V
RRM
Io
I
FSM
Ptot
V
F
I
R
trr
C
J
T
J
,T
STG
DLM4148
75
100
150
0.5
500
1.0 / 10mA
5.0
4.0
4.0
-55 to + 125
DLM4448
UNITS
V
V
mA
A
mW
0.72 / 5mA
1.0 / 10mA
V
µA
ns
pF
o
C
RATING AND CHARACTERISTIC CURVES (DLM4148 AND DLM4448)
REF: DLM4148
A
100
I
FRM
5
3
2
10
5
3
2
1
5
3
2
2
10
-5
5
10
-4
2
5
10
-3
2
5
10
-2
tp
mA
10
3
2
5
10
-1
2
5
1
2
5
10
S
0.1
0.2
0.5
tp
Admissible repetitive peak forward current versus pulse duration
I
v=tp /T T=l /fp
I
FRM
t
T
v=0
Forward characteristics
10
4
5
2
10
3
Dynamic forward resistance
Ω
versus forward current
Tj=25
o
C
f=1kHz
IF
10
2
Rf
5
10
10
1
10
10
-1
10
-2
0
Tj=100
o
C~Tj=25
o
C
V
1
VF
mW
1000
900
Ptot
800
700
600
500
400
100
200
100
0
0
100
Tamb
200
o
2
2
5
2
5
2
1
2
10
-2
10
-1
1
10
IF
10
2
mA
Admissible power dissipation
versus ambient temperaturs
Ctot(VR)
Ctot(OV)
1.0
1.1
Relative capacitance
versus reverse voltage
Tj=25
o
C
f=1kHz
0.9
0.8
0.7
C
0
2
4
6
8
VR
10
V
DC COMPONENTS CO., LTD.
R
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