DB251GS
THRU
DB257GS
SINGLE PHASE
2.5
AMP SURFACE MOUNT BRIDGE RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
2.5
Ampere
DB-S
.310(7.9)
.290(7.4)
.255(6.5)
.245(6.2)
~
~
FEATURES
* Ideal for printed circuit board
* Reliable low cost construction utilizing molded
plastic technique
* High surge current capability
* Polarity: marked on body
* Mounting position: Any
* Weight: 1.0 grams
* Both normal and Pb free product are available:
* Normal:80~95%Sn,5~20%Pb
* Pb free:99 Sn above can meet Rohs enviroment substance
directive request
.205(5.2)
.195(5.0)
+
.042(1.1)
.038(1.0)
.346(8.8)
.323(8.2)
.013(.33)
.003(.08)
.410(10.4)
.360(9.4)
.060(1.5)
.040(1.0)
.
098
(2.
5
)
.
087
(2.
2
)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=40 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Forward Voltage Drop per Bridge Element at
2.5A
D.C.
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Operating Temperature Range, Tj
Storage Temperature Range, TSTG
Ta=125 C
DB251GS DB252GS DB253GS DB254GS DB255GS DB256GS DB257GS UNITS
50
35
50
100
70
100
200
140
200
400
280
400
2.5
85
1.1
5
500
-65 +150
-65 +150
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
V
υA
υA
C
C
RATING AND CHARACTERISTIC CURVES (DB251GS THRU DB257GS)
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
2.5
2.5
1.5
1.0
0.5
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
FIG.2-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
85
AVERAGE FORWARD CURRENT,(A)
68
51
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
34
17
0
25
50
75
100 125
150
175
AMBIENT TEMPERATURE ( C)
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL FORWARD
CHARACTERISTICS
50
INSTANTANEOUS FORWARD CURRENT,(A)
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
50
3.0
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
REVERSE LEAKAGE CURRENT, (uA)
10
10
3.0
1.0
0.1
0.1
Tj=25 C
.01
0
.2
.4
.6
.8
1.0
1.2
1.4
.01
20
40
60
80
100 120 140
FORWARD VOLT
AGE,(V)
PERCENTAGE OF PEAK REVERSE VOLT
AGE, (%)
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