Dated : 01/12/2005
H
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
DB151 THRU DB157
SINGLE-PHASE GLASS PASSIVATED
SILICON BRIDGE RECTIFIER
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
• Low forward voltage drop
• Glass passivated chip junction
Mechanical data
• Case Molded plastic, DB
• Mounting position: Any
Maximum Ratings and Electrical Characteristics
Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Parameter
Symbols DB151 DB152 DB153 DB154 DB155 DB156 DB157 Units
Maximum recurrent peak reverse voltage
VRRM
50
100 200 400 600 800 1000
V
Maximum RMS voltage
VRMS
35
70
140 280 420 560 700
V
Maximum DC blocking voltage
VDC
50
100 200 400 600 800 1000
V
Maximum average forward rectified current
at TA = 40 OC
2)
I(AV)
1.5
A
Peak forward surge current 8.3 ms single half-
sine-wave superimposed on rated load
(JEDEC method)
IFSM
50
A
Maximum forward voltage
at 1.5A DC and 25 OC
VF
1.1
V
@TA = 25 OC
5
Maximum reverse current at
rated DC blocking voltage
@TA =125 OC
IR
500
µA
Typical junction capacitance
1)
CJ
25
pF
Typical thermal resistance
2)
RθJA
40
O
C/W
Typical thermal resistance
2)
RθJL
15
O
C/W
Operating and storage temperature range
TJ ,TSTG
-55 to +150
O
C
1) Measured at 1 MHz and applied reverse voltage of 4 VDC.
2) Thermal resistance from junction to ambient and junction to lead mounted on P.C.B. with 0.5 x 0.5"
(13x13mm) copper pads.
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