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DB151S THRU DB157S
SINGLE-PHASE GLASS PASSIVATED
SILICON SURFACE MOUNT BRIDGE RECTIFIERS
Reverse Voltage – 50 to 1000 Volts
Forward Current – 1.5 Ampere
Features
High surge overload rating of 50 amperes peak
Ideal for printed circuit board
Plastic material has Underwriters Laboratory
Flammability Classification 94V-O
Glass passivated chip junction
Mechanical data
Case Molded plastic, DB-S
Terminals: Leads solderable per MIL-STD-202,
method 208 guaranteed
Mounting position: Any
Maximum Ratings and Electrical Characteristics
Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at TA = 40 OC (Note 2)
Peak forward surge current
8.3ms single half-sine-wave superimposed
on rated load (JEDEC method)
Maximum forward voltage
at 1.5A DC and 25
Maximum reverse current
at rated DC blocking
voltage
@TA = 25
@TA =125
Typical junction capacitance(Note 1)
Typical thermal resistance(Note 2)
Typical thermal resistance(Note 2)
Operating and storage temperature range
DB DB DB DB DB DB DB
Symbols
151S 152S 153S 154S 155S 156S 157S
VRRM
VRMS
VDC
50 100 200 400 600 800 1000
35 70 140 280 420 560 700
50 100 200 400 600 800 1000
Units
Volts
Volts
Volts
IO
1.5
Amps
IFSM
50
Amps
VF
IR
CJ
R0JA
R0JL
TJ ,TSTG
1.1
5
500
25
40
15
-55 to +150
Volts
µAmps
mAmps
Pf
/w
/w
NOTES: 1.Measured at 1 MHz and applied reverse voltage of 4.0 VDC.
2.Units mounted on P.C.B. with 0.5*0.5”(13*13mm) copper pads.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 10/12/2003

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DB151S THRU DB157S
FIG.1-Derating curve output
rectified current
1.5
60Hz
Resistive or
Inductive Load
1.0
0.5
P.C.B.mounted on
0.51*0.51"(13*13mm)
Copper pads
0
20 40
60 80
100 120 140
Ambient Temperature( c)
F
ig.3-Typical forward characteristics
per leg
10
160
1
0.1
0.01
0.4
TJ=25 C
Pulse width=300 s
1% duty cycle
0.6 0.8
1.0 1.2
Instantaneous forward voltage(v)
1.4
Fig.5-Typical junction capacitance
per leg
100
TJ=25 C
f=1.0MHz
Vsig=50mVp-p
FIG.2-Maximum non-repetitive peak
forward surge current per leg
60
TJ=150 C
50 Single sine-wave
(JEDEC method)
40
30
20
10
0
1 10
Number of cycles at 60 Hz
100
100
(μA)
10
Fig.4-Typical reverse leakage
characteristics per leg
TJ=125 C
1
0.1
TJ=50 C
0.01
0
20 40 60 80
Percent of rated peak reverse voltage(v)
100
Fig.6-Typical transient thermal impedance
100
10
10
1
0.1
1 0.01 0.1 1 10 100
1 10 100
Reverse voltage(v)
t,Heating time(sec)
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 10/12/2003