Elektronische Bauelemente
MMBD318A / MMBD318C / MMBD318S
350V 225mA
Surface Mount High Vitlage Switching Diode
http://www.SeCoSGmbH.com/ Any changes of specifica tion will not be informed individually.
24-Dec-2010 Rev. B Page 1 of 3
Top View
A
L
C B
D
G
H J
F
K E
1
2
3
1
2
3
RoHS Compliant Product
A suffix of “-C” specifies halogen and lead free
FEATURES
RoHS Compliant Product
High Reverse Breakdown Voltage
Ultra high speed Switching
High Conductance
MECHANICAL DATA
Case: SOT-23, Molded Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Polarity: See Diagrams Below
Weight: 0.008 g (approx.)
Mounting Position: Any
MARKING
PACKAGE INFORMATION
Package MPQ LeaderSize
SOT-23 3K 7’ inch
MAXIMUM RATINGS (T
A
= 25°C unless otherwise specified)
Parameter Symbol Ratings Unit
Repetitive peak reverse voltage
V
RRM
350 V
Working peak reverse voltage
Continuous Reverse voltage
V
RWM
V
R
300 V
RMS reverse voltage
VR(RMS) 212 V
Forward continuous current
IF 225
mA
Peak repetitive forward current
IFRM 625
mA
@t=1.0μs 4
Non-Repetitive peak forward
surge current
@t=1.0s
I
FSM
1
A
Power dissipation
P
d 350 mW
Thermal resistance junction to ambient air
R
θJA 357 /W℃
Operating and storage temperature range
T
j,TSTG -65 ~ +150 ℃
Part Name
MMBD318A MMBD318C MMBD318S
Marking
KAD / LD7 KAC / LD8 KAE / LD9
Circuit
SOT-23
Millimete
r
Millimete
r
REF.
Min. Max.
REF.
Min. Max.
A 2.80 3.04 G 0.09 0.18
B 2.10 2.55 H 0.45 0.60
C 1.20 1.40 J 0.08 0.177
D 0.89 1.15 K 0.6 REF.
E 1.78 2.04 L 0.89 1.02
F 0.30 0.50
Elektronische Bauelemente
MMBD318A / MMBD318C / MMBD318S
350V 225mA
Surface Mount High Vitlage Switching Diode
http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually.
24-Dec-2010 Rev. B Page 2 of 3
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise specified)
Parameter Symbol Min. Typ. Max. Unit Test Conditions
Reverse Breakdown Voltage
V
(BR)
350 V I
R
=150μA
0.78 0.87
I
F
=20mA
0.93 1.0
I
F
=100mA
Forward Voltage
V
F
1.03 1.25
mV
I
F
=200mA
30 100
nA
V
R
=240V
Reverse Current
I
R
35 100
μA V
R
=240V Tj=150℃
Total capacitance
C
T
1.0 5.0 pF V
R
=0V,f=1MHz
Reverse Recovery Time
t
rr
50 ns
I
F
=I
R
=30mA,
Irr=0.1×I
R
,RL=100Ω