WILLAS MD7S

MD1S
WILLAS
THRU
MD7S
SINGLE-PHASE GLASS PASSIVATED
SILICON BRIDGE RECTIFIER
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
MD-S
* RoHS product for packing code suffix "G"
Halogen free product for packing code suffix "H"
MECHANICAL DATA
1
2
3
4
M D
* Epoxy: Device has UL flammability classification 94V-O
* UL listed under the recognized component directory, file #E94233.
0.028(0.9)
.004(0.10) MAX.
0.020(0.5)
0.106(2.7)
0.091(2.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
0.152(3.6)
0.157(4.0)
0.014(0.35)
0.006(0.15)
0.193(4.9)
0.177(4.5)
For capacitive load, derate current by 20%.
0.145(3.6)
0.193(4.9)
0.177(4.5)
0.260(6.6)
0.092(2.34)
0.157(4.0)
2.756(7.0)
0.108(2.74)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T A = 25oC unless otherwise noted)
SYMBOL
MD1S
MD2S
MD3S
MD4S
MD5S
MD6S
MD7S
UNITS
Maximum Recurrent Peak Reverse Voltage
RATINGS
VRRM
50
100
200
400
600
800
1000
Volts
Maximum RMS Bridge Input Voltage
VRMS
35
70
140
280
420
560
700
Volts
Maximum DC Blocking Voltage
VDC
50
100
200
400
600
800
1000
Maximum Average Forward Output Current at T A = 30 oC
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
Volts
IO
0.8
Amps
I FSM
30
Amps
R qJA
85
RqJL
20
T J, T STG
-55 to + 150
0
C/W
0
C
o
ELECTRICAL CHARACTERISTICS (At TA = 25 C unless otherwise noted)
CHARACTERISTICS
SYMBOL
Maximum Forward Voltage Drop per Bridge
VF
Element at 0.8A DC
o
Maximum Reverse Current at Rated
@T A = 25 C
DC Blocking Voltage per element
@T A = 125 o C
Note: 1.”Fully ROHS compliant”,”100% Sn plating(Pb-free).
2. Thermal Resistance: PCB mounted.
IR
MD1S
MD2S
MD3S
MD4S
1.05
MD5S
MD6S
MD7S
UNITS
Volts
10
mAmps
0.5
mAmps
RATING AND CHARACTERISTIC CURVES ( MD1S THRU MD7S )
POWER DISSIPATION
2.4
2
sine wave
pulse test
per one diode
0
Tj=150 C
2
1
0.5
POWER DISSIPATION PF(W)
INSTANTANEOUS FORWARD CURRENT, (A)
TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
0
TL=150 C
0
TL=25 C
(TYP)
(TYP)
0.2
0.1
0.05
1.6
1.2
0.8
0.4
0
0
0.2
0.4
0.6
0.8
1
1.2
INSTANTANEOUS FORWARD VOLTAGE, (V)
0
0.4
0.6
0.8
1
AVERAGE RECTIFIED FORWARD CURRENT, Io (A)
TYPICAL FORWARD CURRENT
DERATING CURVE
SURGE FORWARD CURRENT CAPABILITY
1.4
35
AVERAGE FORWARD CURRENT, (A)
sine wave
IFSM
PEAK FORWARD SURGE CURRENT, (A)
0.2
30
0
25
8.3ms 8.3ms
1 cycle
20
non-repetitive
0
Tj=25 C
15
10
5
sine wave
R-load
free in air
1.2
1.0
0.8
on aluminum
substrate
0.6
0.4
on glass
-epoxy substrate
0.2
0
0
1
2
5
10
20
50
NUMBER OF CYCLE
WILLAS ELECTRONIC CORP.
100
0
40
80
120
160
o
AMBIENT TEMPERATURE, ( C )
WILLAS
Mounting Pad Layout
.276 Max.
(7.0 Max.)
.105 (2.67)
.095 (2.41)
.035 Min.
(0.90 Min.)
Dimensions in inches and (millimeters)
.030 Min.
(0.76 Min.)