DC COMPONENTS CO., LTD.
R
RECTIFIER SPECIALISTS
MMB2505
THRU
MMB2510
TECHNICAL SPECIFICATIONS OF SINGLE-PHASE SILICON BRIDGE RECTIFIER
VOLTAGE RANGE - 50 to 1000 Volts
CURRENT - 25 Amperes
FEATURES
* Metal case for Maximum Heat Dissipation
* Diffused Junction
* High current capability
* Surge overload ratings - 400 Amperes
* Low forward voltage drop
* High Reliability
.500
(12.7)
TYP.
.310(7.9)
.290(7.4)
.480(12.2)
.425(10.8)
1.181(30.0)
1.102(28.0)
.673(17.1)
.633(16.1)
MMB-25
MECHANICAL DATA
* Case: Metal case, electrically isolated
* Epoxy: UL 94V-0 rate flame retardant
* Terminals: Plated .25"(6.35mm) Faston lugs, Solderable per
MIL-STD-202E, Method 208 guaranteed
* Polarity: As marked
* Mounting position: Any
* Weight: 25 grams approx.
.732(18.6)
.692(17.6)
AC
HOLE FOR
NO. 8 SCREW
AC
.673(17.1) 1.181(30.0)
.633(16.1) 1.102(28.0)
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.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
.582(14.8)
.543(13.8)
.033 x .250
(0.8 x 6.4)
SYMBOL
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Bridge Input Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Output Current at Tc = 55 C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Forward Voltage Drop per element at 12.5A DC
Maximum DC Reverse Current at Rated
DC Blocking Voltage per element
I
2
t Rating for Fusing (t<8.3ms)
Typical Junction Capacitance (Note1)
Typical Thermal Resistance (Note 2)
Operating and Storage Temperature Range
NOTES : 1.Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts.
2.Thermal Resistance from Junction to Case per leg.
@T
A
= 25 C
@T
A
= 100 C
I
2
t
C
J
RθJ C
T
J,
T
STG
o
o
o
MMB2505 MMB251 MMB252 MMB254 MMB256 MMB258 MMB2510
UNITS
50
35
50
100
70
100
200
140
200
400
280
400
25
400
1.1
10
500
374
300
2.5
-55 to +150
0
V
RRM
V
RMS
V
DC
I
O
I
FSM
V
F
I
R
600
420
600
800
560
800
1000
700
1000
Volts
Volts
Volts
Amps
Amps
Volts
µAmps
A
2
Sec
pF
C/W
0
C
RATING AND CHARACTERISTIC CURVES (MMB2505 THRU MMB2510)
FIG. 1 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, (A)
500
FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD OUTPUT CURRENT, (A)
25
400
8.3ms Single Half Sine-Wave
(JEDEC Mathod)
20
300
15
200
10
100
5
Single Phase Half Wave
60Hz Inductive or
Resistive Load
0
1
2
5
10
20
50
100
0
50
100
o
150
NUMBER OF CYCLES AT 60Hz
CASE TEMPERATURE, ( C)
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (µA)
INSTANTANEOUS FORWARD CURRENT, (A)
100
10
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
T
J
=25
o
C
10
1.0
Pulse Width=300ms
1% Duty Cycle
1
.1
T
J
=25
o
C
.1
.6
.7
.8
.9
1.0
1.1
1.2
1.3
.01
0
20
40
60
80
100
120
140
INSTANTANEOUS FORWARD VOLTAGE, (V)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
DC COMPONENTS CO., LTD.
R
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