Dated : 23/02/2005
H
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
MD1S THRU MD7S
MINIATURE GLASS PASSIVATED SINGLE PHASE SURFACE MOUNT BRIDGE RECTIFIER
Reverse Voltage – 50 to 1000 Volts
Forward Current – 0.5 Ampere
Features
• Surge overload rating: 30 amperes peak
• Ideal for printed circuit board
• Low leakage
• Reliable low cost construction utilizing molded
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
Mechanical Data
• Case: MD-S, molded plastic.
• Terminals: Leads solderable per MIL-STD-202, method 208.
• Mounting position: Any.
• Weight: 0.008 ounce, 0.22 grams.
Absolute Maximum Ratings and Characteristics
Ratings at 25
0C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Symbols MD1S MD2S MD3S MD4S MD5S MD6S MD7S 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
See Fig .1
On glass epoxy P.C.B(Note 2)
On aluminum substrate(Note 3)
I(AV)
0.5
0.8
A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC method)
IFSM
30
A
Maximum forward voltage at 0.4A DC
VF
1.0
V
Maximum reverse current
@TA = 25
OC
at rated DC blocking voltage
@TA = 125
OC
IR
5.0
500
µA
Typical junction capacitance (Note 1)
CJ
13
pF
Typical thermal resistance (Note 3)
RθJA
70
OC/W
Typical thermal resistance (Note 2)
RθJL
20
OC/W
Operating and storage temperature range
TJ ,TS
-55 to+150
OC
Notes: (1) Measured at 1 MHZ and applied Vr = 4volts.
(2) On glass epoxy P.C.B. mounted on 0.05 x 0.05” (1.3 x 1.3 mm) pads.
(3) On aluminum substrate P.C.B. with an area of 0.8 x 0.8” (20 x 20mm) mounted on 0.05 x 0.05” (1.3 x 1.3mm) solder pad.
+
-
~ (1):-
(4):
+
(3):
~
(2):
~
~
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