DB151 thru DB157
1.5 A Single-Phase Glass Passivated Bridge Rectifiers
Rectifier Reverse Voltage 50 to 1000V
DB
Features
This series is UL listed under the Recognized
Component Index, file number E142814
The plastic material used carries Underwriters Laboratory
flammability recognition 94V-0
Surge overload ratings to 50 amperes
Ideal for printed circuit board application
High temperature soldering guaranteed 260 C /5
seconds at 5 lbs (2.3kg) tension
_
~
+
~
6.35
+
0.15
7.62
+
0.38
0.2± 0.05
8.25
+
0.65
8.15
+
0.15
2.35
+
0.15
1.01
+
0.13
0.52
+
0.06
5.1
+
0.1
6.0
+
0.2
Mechanical Data
Case: Molded plastic
Terminals: Plated leads solderable per MIL-STD-202,
Method 208
Polarity: Marked on body
Mounting Position: Any
Weight: 0.34 grams (approx)
Dimensions in millimeters ( 1mm =0.0394" )
Maximum Ratings & Thermal Characteristics
Rating at 25 C ambient temperature unless otherwise specified, Resistive or Inductive load, 60 Hz.
For Capacitive load derate current by 20%.
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS bridge input voltage
Maximum DC blocking voltage
Maximum average forward rectified
output current at T
A
=40 C
Peak forward surge current single sine-wave
superimposed on rated load (JEDEC Method)
Rating for fusing ( t<8.3ms)
Typical thermal resistance per element
(1)
Typical junction capacitance per element
(2)
Operating junction and storage temperature
range
Symbol
DB151 DB152 DB153 DB154 DB155 DB156 DB157
unit
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
I t
R
eJA
C
j
T
J
,
T
STG
2
50
35
50
100
70
100
200
140
200
400
280
400
1.5
50
6.35
58
25.0
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
A
sec
C/W
p
F
2
-55 to + 150
C
Electrical Characteristics
Rating at 25 C ambient temperature unless otherwise specified. Resistive or Inductive load, 60Hz.
For Capacitive load derate by 20 %.
Parameter
Maximum instantaneous forward voltage drop
per leg at 1.5A
Maximum DC reverse current at rated T
A
=25 C
DC blocking voltage per element
T
A
=125 C
Symbol
DB151 DB152 DB153 DB154 DB155 DB156 DB157
Unit
V
F
I
R
1.1
10
500
V
A
Notes:
(1)Thermal resistance from Junction to Ambemt on P.C.board mounting.
(2)Measured at 2.0MHz and applied reverse voltage of 4.0 volts.
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Rating and Characteristic Curves
( T
A
=25
DB151 thru DB157
C Unless otherwise noted )
2.0
Peak Forward Surge Current,
Amperes
Fig. 1 Derating Curve for
Output Rectified Current
60Hz Resistive of
Inductive Load
1.5
Fig. 2 Maximum Non-repetitive Peak
Forward Surge Current
60
50
40
30
20
10
0
1
10
100
8.3ms
Single half-sine-Wave
[JEDEC Method]
Average Forward Output
Current, Amperes
1.0
0.5
Number of Cycles at 60H
Z
Fig. 4 Typical Revers Characteristics
0
40
60
80
100
120
140
100
Tj=125 C
Instantaneous Reverse
Current ,Amperes
Case Temperature, C
10
1.0
Fig. 3 Typical Instantaneous
Forward Characteristics
10
0.1
Tj=25 C
.01
Tj=25 C
Pulse Width=300us
2% duty cycle
Instantaneous Forward Current,
Amperes
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse
Voltage, %
1.0
Fig. 5 Typical Junction Capacitance
100
Tj=25 C
f=1.0MHz
Vsig =50mV p.p.
0.1
.01
0.4
Capacitance, pF
0.6
0.8
1.0
1.2
1.4
10
Instantaneous Forward
Voltage, Volts
1
1.5 2
10
100
Reverse Voltage, Volts
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