RMB2S
THRU
RMB4S
1/2 Amp Fast Recovery
Glass Passivated
Bridge Rectifier
200 to 400 Volts
Features
• Surface Mount Package
• Glass Passivated Diode Construction
• Moisture Resistant Epoxy Case
• Fast Recovery, Low Switching Loss
Maximum Ratings
• Operating Temperature: -55to +150
• Storage Temperature: -55to +150
MCC
Part
Number
Device
Marking
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
RMB2S RB2S 100V 70V 100V
RMB4S RB4S 200V 140V 200V
Electrical Characteristics @ 25 Unless Otherwise Specified
Average Forward
Current IF(AV) 0.5A(1)
0.8A(2) TA=30
Peak Forward Surge
Current IFSM 30A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage VF1.25V IFM =0.4A;
TA=25
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR5.0µA
100µATA=25
TA= 125
Typical Thermal
Resistance Per Leg
RθJA
RθJA
RθJL
85/W(1)
70/W(2)
20/W(1)
PC board with
12mm2copper pads
Typical Junction
Capacitance CJ13pF Measured at
1.0MHz, VR=4.0V
Maximum Reverse
Recovery Time trr 150ns IF=0.5A, IR=1.0A,
Irr=0.25A
Rating For Fusing I2t5.0A
2st<8.30ms
(1) On glass epoxy P.C.B. mounted on 0.05 x 0.05”(1.3 x 1.3mm)
pads
(2) 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”(1.3x 1.3mm) solder pad
MBS-1
Notch in case
B
C
D
A
F
G
H
E
+
-
∼∼∼∼
∼∼∼∼
L
K
JM
N

INCHES MM

.252 .272 6.40 6.91



.017 .029 0.45 0.75
.090 .106 2.30 2.70
.004 .008 0.10 0.20
.021 .023 0.53 0.58
.058 .062 1.47 1.57
K .195 .205 4.95 5.21
N .008 .014 0.15 0.35
L .110 .114 2.80 2.90
M .039 .049 0.99 1.24
www.mccsemi .com
omponents
20736 Marilla Street Chatsworth
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MCC
Revision: 3 2003/04/30
www.mccsemi .com
110 100
0
5.0
10
15
20
25
30
35
020 40 60 80 100
0.01
0.1
1
10
100
0.2 0.4 0.6 0.8 1.0 1.2 1.4
0.01
0.1
1
10
0.1 110 100
0
5.0
10
15
20
25
30
200
020 40 60 80 100 120 140 160
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current
Peak Forward Surge Current (A)
Number of Cycles
Fig. 1 – Maximum Forward Current
Derating Curve
Average Forward Rectified Current (A)
Ambient Temperature (°C)
Instantaneous Forward Voltage (V)
Fig. 3 – Typical Instantaneous
Forward Characteristics Fig. 4 – Typical Reverse Leakage
Characteristics Per Leg
Instantaneous Reverse Leakage Current
(µA)
Percent of Rated Peak Reverse Voltage (%)
Resistive or Inductive Load
Aluminum Substrate
Glass Epoxy P.C.B.
TA = 40°C
Single Half Sine-Wave
(JEDEC Method)
Pulse Width = 300 s
1% Duty Cycle
Instantaneous Forward Current (A)
TJ = 125°C
TJ = 25°C
Reverse Voltage (V)
Junction Capacitance (pF)
Fig. 5 – Typical Junction Capacitance
1.0 Cycle
f = 60Hz
f = 50Hz
TJ = 150°C
TJ = 25°C
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
MCC
RMB2S thru RMB4S
Revision: 3 2003/04/30