3.4 +0.3
-0.1 0.4±0.1
φ1.5±0.1
Cathode indif i ca tion
FEATURES
MECHANICAL DATA
MAXI MUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient t emperature unless other wise specif ied
MAXI MUM RATI NG S UNITS
Reverse volt age VRV
Peak reverse voltage V RM V
Average forward rectified current
Half w ave rectification w ith resistive load
at tamb=25oC and f50Hz
Forward surge current at t 1S and T
J=25oCI
FSM
mA
Power dissipaton at tamb=25oCP
tot
mW
Junction temperature TJoC
Storage temperature range TSTG oC
UNITS
Forw ard voltage @ IF=10mA
VF
V
Leakage current at VR=20V
IR
n A
at VR=75V IRA
111111111at VR=2 0V TJ=150oCIRA
Capacitance at VF=VR=0V
Ctot
pF
Voltag e rise wh en switchi n g on
tested with 50mA pulses
tp=0,1 S,rise time 30ns, fp=5 to 100KHz
Reverse re cover y time
from IF=10mA
VR=6V,RL=100 ,at IR=1mA
Thermal resistance junction to ambi ent RJA K/W
Rectification effciency at 100MHz,VRF=2V V -
ns
1)Valid provided that elec t rodes are k ept at am bient t em perat ure
350.01)
0. 45 - -
-
-2.5
- - 4.0
-
25.0
5.0
- - 4.0
- -50.0
-
150.0
-
-
mA
ELECTRICAL CHARACTERISTICS
1) Valid provided that elec trodes are k ept at am bi ent temperat ure.
MIN TYP MAX
I
Polar it y: Color band denotes cathode
Vfr
trr
-
-
175.0
500.00
500.01)
LL4148
LL4148
1111REVERSE VOLTAGE: 75 V
CURRENT: 0. 15 A
Case:MINI-MELF glass case
SMALL SIGNAL SWITCHING DIODE
Silicon epitaxial diode
MINI-MELF
500mW power dissipat ion
High speed swit c hing diode
GALAXY ELECTRICAL
V
Weight: Approx 0.031 grams
35-55--- +175
1.0
75.0
100.0
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BL
Document Number 0268010
1.
BLGALAXY ELECTRICAL
O
Document Number 0280010 2.
mA
IF
F
2
3
T =100 C
JO
T =25 C
JO
1
10
10
10
10
10-2
-1
V
012V
200
100
00
300
400
500
600
700
800
900
1000
mW
P
tot
TA
25 100 175200℃
0.3
0.1
0.2
tp
n=0 I
0.1
10 10
10
1
10
100
10
1
10S
FRM
V=tp/T T=1/tp
tp
T
I
FRM
I
-5 -3 -2 -1
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BLGALAXY ELECTRICAL
FIG.3-ADMISSIBLE REPETITIVE PEAK FORWORD CURRENT VERSUS PULSE DURATION
RATINGS AND CHARACTERISTIC CURVES LL4148
FIG.1 -- ADMISSIBLE POWER DISSIPATION VERSUS
AMBIENT TEMPERATURE FIG.2-- FORWARD C HARACTERISTICS
