1
Publication date: April 2004 SKH00061BED
Schottky Barrier Diodes (SBD)
MA3S781D (MA781WA), MA3S781E (MA781WK)
Silicon epitaxial planar type
For high speed switching
■Features
•Two MA3S781 (MA781) is contained in one package
•High-density mounting is possible
•Low forward voltage VF
■Absolute Maximum Ratings Ta = 25°C
Parameter Symbol Rating Unit
Reverse voltage VR30 V
Maximum peak reverse voltage
VRM 30 V
Forward current
Single IF30 mA
Double 20
Peak forward current
Single IFM 150 mA
Double 110
Junction temperature Tj125 °C
Storage temperature Tstg −55 to +125 °C
Parameter Symbol Conditions Min Typ Max Unit
Forward voltage VF1 IF = 1 mA 0.4 V
VF2 IF = 30 mA 1.0
Reverse current IRVR = 30 V 1 µA
Terminal capacitance CtVR = 1 V, f = 1 MHz 1.5 pF
Reverse recovery time *trr IF = IR = 10 mA 1.0 ns
Irr = 1 mA, RL = 100 Ω
Detection efficiency ηVIN = 3 V(peak) , f = 30 MHz 65 %
RL = 3.9 kΩ, CL = 10 pF
■Electrical Characteristics Ta = 25°C ± 3°C
Bias Application Unit (N-50BU)
90%
Pulse Generator
(PG-10N)
Rs = 50 Ω
Wave Form Analyzer
(SAS-8130)
Ri = 50 Ω
tp = 2 µs
tr = 0.35 ns
δ = 0.05
IF = 10 mA
IR = 10 mA
RL = 100 Ω
10%
Input Pulse Output Pulse
Irr = 1 mA
trtp
trr
VR
IF
t
t
A
EIAJ: SC-81
SSMini3-F2 Package
Marking Symbol
• MA3S781D: M2P • MA3S781E: M2R
Internal Connection
12
3
12
3
DE
MA3S781D MA3S781E
1 Cathode 1 Anode 1
2 Cathode 2 Anode 2
3 Anode Cathode
Unit: mm
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) (0.51)
0 to 0.1
(0.15)
3˚
(0.44)(0.44)
0.88
(0.375)
+0.05
–0.03
0.80±0.05
(0.80)
1.60±0.05
3˚
Note) 1.
Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7031 measuring methods for diodes.
2. This product is sensitive to electric shock (static electricity, etc.). Due attention must be paid on the charge of a human body
and the leakage of current from the operating equipment.
3.Absolute frequency of input and output is 2 GHz. 4. *: trr measurement circuit
Note) The part numbers in the parenthesis show conventional part number.
This product complies with the RoHS Directive (EU 2002/95/EC).