WILLAS
VOLTAGE RANGE 50 to 1000 Volts CURRENT 0.8 Ampere
FEATURES
*
*
*
*
*
*
*
Surge overload rating - 30 amperes peak
Ideal for printed circuit board
Reliable low cost construction utilizing molded
Glass passivated device
Polarity symbols molded on body
Mounting position: Any
Weight: 0.134 gram
MD1S
THRU
MD7S
SINGLE-PHASE GLASS PASSIVATED
SILICON BRIDGE RECTIFIER
MD-S
*
RoHS product for packing code suffix "G"
Halogen free product for packing code suffix "H"
* Epoxy: Device has UL flammability classification 94V-O
* UL listed under the recognized component directory, file #E94233.
0.028(0.9)
0.020(0.5)
0.108(2.74)
0.092(2.34)
0.193(4.9)
0.177(4.5)
0.157(4.0)
2.756(7.0)
0.260(6.6)
0.157(4.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
0.193(4.9)
0.177(4.5)
o
0.106(2.7)
0.091(2.3)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T
A
= 25 C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Bridge Input Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Output Current at T
A
= 30 C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 2)
Operating and Storage Temperature Range
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
CHARACTERISTICS
Maximum Forward Voltage Drop per Bridge
Element at 0.8A DC
Maximum Reverse Current at Rated
DC Blocking Voltage per element
@T
A
= 25 C
@T
A
= 125 C
o
o
o
o
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
q
JA
R
q
JL
T
J,
T
STG
MD1S
50
35
50
MD2S
100
70
100
MD3S
200
140
200
MD4S
400
280
400
0.8
30
85
20
-55 to + 150
MD5S
600
420
600
MD6S
800
560
800
0.145(3.6)
0.014(0.35)
0.006(0.15)
MD7S
1000
700
1000
0.152(3.6)
SYMBOL
V
F
I
R
MD1S
MD2S
Note: 1.”Fully ROHS compliant”,”100% Sn plating(Pb-free).
2. Thermal Resistance: PCB mounted.
M D
.004(0.10) MAX.
MECHANICAL DATA
1
2
3
4
UNITS
Volts
Volts
Volts
Amps
Amps
C/W
0
0
C
MD3S
MD4S
1.05
10
0.5
MD5S
MD6S
MD7S
UNITS
Volts
mAmps
mAmps
WILLAS [ WILLAS ELECTRONIC CORP ]
