Production specification
Schottky Barrier Rectifiers
Features
Metal silicon junction, majority carrier conduction
High surge capability
High temperature soldering guaranteed:
260°C/10 seconds
High current capability, low forward voltage drop
RoHS Compliant
Case: SMBF molded plastic
Molding compound, UL flammability classification rating 94V-0
Terminals: Solder plated, solderable per MIL- STD-202,Method 208
Polarity: Color band denotes cathode end
SS25BF--SS26BF
Mechanical Data
Maximum Ratings
(@T
A
= 25°C unless otherwise specified)
Characteristic
Peak repetitive reverse voltage
RMS reverse voltage
DC blocking voltage
Maximum average forward output current
Peak forward surge current,
8.3ms single half-sine-wave
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
SS25BF
50
35
50
2.0
50
SS26BF
60
42
60
Units
V
V
V
A
A
Thermal Characteristics
Parameter
Typical thermal resistance
(Note 1)
Operating junction temperature range
Storage temperature range
Symbol
R
R
R
ΘJA
ΘJC
ΘJL
SS25BF
65
16
15
SS26BF
Units
°C /W
T
J
T
STG
- 55 ---- + 125
- 55 ---- + 150
°C
°C
Note:
1. Device mounted on PCB with 10 mm x 20 mm x 0.1mm copper pad areas
SBF435AA
Rev.B
www.gmesemi.com
Production specification
Schottky Barrier Rectifiers
SS25BF--SS26BF
Electrical Characteristics
(@T
A
= 25°C unless otherwise specified)
Parameter
Maximum instantaneous
forward voltage(Note 1)
Maximum Reverse current
(Note 2)
@T
J
=25°C
I
R
Rated V
R
,
@T
J
=100°C
--
20
mA
--
500
μA
Symbol
V
F
Test
I
F
=2.0A
conditions
@T
A
=25°C
Typ.
--
Max.
0.75
Units
V
Note:
1.Pulse test: 300us pulse width, 1 % duty cycle
2.Pulse test: Pulse width 40ms
SBF435AA
Rev.B
www.gmesemi.com
Production specification
Schottky Barrier Rectifiers
Fig.1-Forward Current Derating Curve
I
FSM
,Peak Forward Surge Current (A)
2
SS25BF--SS26BF
Ratings and Characteristic Curves
(T
A
=25°C unless otherwise noted)
Fig.2- Surge Current Derating Curve
50
40
30
20
10
0
1
10
Number of Cycles at 60H
Z
100
Average Current (A)
1.5
1
0.5
0
0
25
50
75
100
125
150
Case Temperature( °C)
Fig.3- Typical Forward Voltage Characteristic
10
Forward Current I
F
(A)
Fig.4- Typical Reverse Characteristic
10000
Tj=125℃
Tj=125℃
Tj=25℃
1
Reverse Current ,I
R
(μ A)
1000
=
100
℃
Tj
100
Tj=75℃
Tj=75℃
=
100
℃
Tj
0.1
0.1
0.3
0.5
0.7
0.9
1.1
10
Tj=25℃
1
10
20
30
40
50
60
70
80
90 100
Forward Voltage ,V
F
(V)
Reverse Voltage ,V
R
(%)
SBF435AA
Rev.B
www.gmesemi.com
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