
Switching Diodes
1
Publication date: February 2005
SKF00028CED
MA3S137 (MA137)
Silicon epitaxial planar type
For high-speed switching circuits
■ Features
Two isolated elements contained in one package, allowing high-
density mounting
Two diodes are connected in series in the package
■ Absolute Maximum Ratings T
a = 25°C
Unit: mm
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Forward voltage
VF
IF = 100 mA
1.2
V
Reverse voltage
VR
IR = 100 A80
V
Reverse current
IR
VR
= 75 V
100
nA
Terminal capacitance
Ct
VR = 0 V, f = 1 MHz
2
pF
Reverse recovery time *
trr
IF = 10 mA, VR = 6 V
3
ns
Irr
= 0.1 I
R , RL
= 100
■ Electrical Characteristics T
a = 25°C ± 3°C
Marking Symbol: MS
1
3
2
Bias Application Unit (N-50BU)
90%
Pulse Generator
(PG-10N)
R
s = 50
Wave Form Analyzer
(SAS-8130)
R
i = 50
t
p = 2 s
t
r = 0.35 ns
δ = 0.05
I
F = 10 mA
V
R = 6 V
R
L = 100
10%
Input Pulse
Output Pulse
I
rr = 0.1 IR
t
r
t
p
t
rr
V
R
I
F
t
A
Internal Connection
Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7031 measuring methods for diodes.
2. Absolute frequency of input and output is 100 MHz.
3. *: trr measurement circuit
Note) The part number in the parenthesis shows conventional part number.
Note) *:t
= 1 s
Parameter
Symbol
Rating
Unit
Reverse voltage
VR
80
V
Maximum peak reverse voltage
VRM
80
V
Forward current
Single
IF
100
mA
Series
65
Peak forward
Single
IFM
225
mA
current
Series
145
Non-repetitive peak
Single
IFSM
500
mA
forward surge current *
Series
325
Junction temperature
Tj
150
°C
Storage temperature
Tstg
55 to +150
°C
1: Anode 1
2: Cathode 2
3: Cathode 1
Anode 2
EIAJ: SC-81
SSMini3-F2 Package
0.28±0.05
3
12
0.28±0.05
(0.80)
1.60
+0.05
–0.03
0.12
+0.05
–0.02
0.60
+0.05
–0.03
(0.80)
(0.51)
0
to
0.1
(0.15)
3
(0.44)
0.88
(0.375)
+0.05
–0.03
0.80
±
0.05
(0.80)
1.60
±
0.05
3
This product complies with the RoHS Directive (EU 2002/95/EC).
Ma
int
en
an
ce
/
Dis
co
nti
nu
ed
Maintenance/Discontinued
includes
following
four
Product
lifecy
cle
stage.
planed
maintenance
type
maintenance
type
planed
discontinued
typed
discontinued
type
Please
visit
following
URL
about
latest
information.
http://panasonic.net/sc/en