Page 1
DC COMPONENTS CO., LTD.
R
RECTIFIER SPECIALISTS
MMB2505
THRU
MMB2510
TECHNICAL SPECIFICATION
S 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
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.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
.500
TYP.
(12.7)
1.181(30.0)
1.102(28.0)
.673(17.1)
.633(16.1)
.732(18.6)
.692(17.6)
Dimensions in inches and (millimeters)
AC
AC
.582(14.8)
.543(13.8)
.673(17.1)
.633(16.1)
MMB-25
.310(7.9)
.290(7.4)
.480(12.2)
.425(10.8)
HOLE FOR
NO. 8 SCREW
1.181(30.0)
1.102(28.0)
.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 = 50oC
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
I2t Rating for Fusing (t<8.3ms) I2t 374 A2Sec
Typical Junction Capacitance (Note1)
Typical Thermal Resistance (Note 2)
Operating and Storage Temperature Range
NOTES : 1.
Measured at 1 MHZ and applied reverse voltage of 4.0 volts.
2.Thermal Resistance from Junction to Case per leg.
@TA= 25oC
@TA= 100oC
TJ,T
MMB2505 MMB251 MMB252 MMB254 MMB256 MMB258 MMB251
V
RRM
V
RMS
V
DC
I
O
I
FSM
V
F
I
R
C
J
RθJC
STG
50 200 400100 600 800 1000
35 140 28070 420 560 700
50 200 400100 600 800 1000 Volts
25
400
1.1
10
500
300 pF
2.5
-55 to +150
0
UNITS
µAmps
REV-1,Apr/25/2013
Volts
Volts
Amps
Amps
Volts
0
C
/W
0
C
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RATING AND CHARACTERISTIC CURVES (MMB2505 THRU MMB2510)
FIG. 1 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
500
400
300
200
100
PEAK FORWARD SURGE CURRENT, (A)
0
1 2 5 10 20 50 100
NUMBER OF CYCLES AT 60Hz
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
100
8.3ms Single Half Sine-Wave
(JEDEC Mathod)
TJ=25oC
FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE
25
20
15
10
Single Phase Half Wave
60Hz Inductive or
Resistive Load
5
0
AVERAGE FORWARD OUTPUT CURRENT, (A)
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
10
50 100 150
CASE TEMPERATURE, (oC)
10
Pulse Width=300ms
1
INSTANTANEOUS FORWARD CURRENT, (A)
.1
.6 .7 .8 .9 1.0 1.3
INSTANTANEOUS FORWARD VOLTAGE, (V)
1% Duty Cycle
DC COMPONENTS CO., LTD.
R
1.0
.1
TJ=25oC
INSTANTANEOUS REVERSE CURRENT, (µA)
1.21.1
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
REV-1,Apr/25/2013
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