Dated : 10/12/2003
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
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 25
oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Symbols
DB
151S
DB
152S
DB
153S
DB
154S
DB
155S
DB
156S
DB
157S
Units
Maximum recurrent peak reverse voltage
VRRM
50
100
200
400
600
800
1000
Volts
Maximum RMS voltage
VRMS
35
70
140
280
420
560
700
Volts
Maximum DC blocking voltage
VDC
50
100
200
400
600
800
1000
Volts
Maximum average forward rectified current
at TA = 40
OC (Note 2)
IO
1.5
Amps
Peak forward surge current
8.3ms single half-sine-wave superimposed
on rated load (JEDEC method)
IFSM
50
Amps
Maximum forward voltage
at 1.5A DC and 25℃
VF
1.1
Volts
@TA = 25℃
5
µAmps
Maximum reverse current
at rated DC blocking
voltage
@TA =125 ℃
IR
500
mAmps
Typical junction capacitance(Note 1)
CJ
25
Pf
Typical thermal resistance(Note 2)
R0JA
40
℃/w
Typical thermal resistance(Note 2)
R0JL
15
℃/w
Operating and storage temperature range
TJ ,TSTG
-55 to +150
℃
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.
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