RMB2S & RMB4S
Document Number 88705
12-Jul-05
Vishay General Semiconductor
www.vishay.com
1
TO-269AA (MBS)
~
~
~
~
Miniature Glass Passivated Fast Recovery
Surface Mount Bridge Rectifier
Major Ratings and Characteristics
IF(AV) 0.5 A
VRRM 200 V, 400 V
IFSM 30 A
trr 150 ns
VF1.25 V
Tj max. 150 °C
Features
• UL Recognition, file number E54214
• Saves space on printed circuit boards
• Ideal for automated placement
• Fast recovery, low switching loss
• High surge current capability
• Meets MSL level 1, per J-STD-020C
• Solder Dip 260 °C, 40 seconds
Typical Applications
General purpose use in ac-to-dc bridge full wave rec-
tification for Power Supply, Lighting Ballaster, Battery
Charger, Home Appliances, Office Equipment, and
Telecommunication applications
Mechanical Data
Case: TO-269AA (MBS)
Epoxy meets UL-94V-0 Flammability rating
Terminals: Matte tin plated (E3 Suffix) leads, solder-
able per J-STD-002B and JESD22-B102D
Polarity: As marked on body
Maximum Ratings
(TA = 25 °C unless otherwise noted)
Parameter Symbol RMB2S RMB4S Unit
Device marking code 2R 4R
Maximum repetitive peak reverse voltage VRRM 200 400 V
Maximum RMS voltage VRMS 140 280 V
Maximum DC blocking voltage VDC 200 400 V
Maximum average forward output rectified current at TA = 30 °C
on glass-epoxy P.C.B.
on aluminum substrate
IF(AV) 0.5(1)
0.8(2)
A
Peak forward surge current 8.3 msec single half sine-wave
superimposed on rated load
IFSM 30 A
Rating for fusing (t < 8.3 ms) I2t5.0 A2sec
Operating junction and storage temperature range TJ, TSTG - 55 to + 150 °C
www.vishay.com
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Document Number 88705
12-Jul-05
RMB2S & RMB4S
Vishay General Semiconductor
Electrical Characteristics
(TA = 25 °C unless otherwise noted)
Thermal Characteristics
(TA = 25 °C unless otherwise noted)
Notes:
(1) On glass epoxy P.C.B. mounted on 0.05 x 0.05" (1.3 x 1.3 mm) pads
(2) On aluminum substrate P.C.B. with an area of 0.8" x 0.8" (20 x 20 mm) mounted on 0.05 x 0.05" (1.3 x 1.3 mm) solder pad
Ratings and Characteristics Curves
(TA = 25 °C unless otherwise noted)
Parameter Test condition Symbol RMB2S RMB4S Unit
Maximum instantaneous forward
voltage drop per leg
at 0.4 A VF 1.25 V
Maximum DC reverse current at rated
DC blocking voltage per leg
TA = 25 °C
TA = 125 °C
IR 5.0
100
µA
Maximum reverse recovery time at IF = 0.5 A, IR = 1.0 A,
Irr = 0.25 A
trr 150 ns
Typical junction capacitance per leg at 4.0 V, 1 MHz CJ 13 pF
Parameter Symbol RMB2S RMB4S Unit
Typical thermal resistance per leg RθJA
RθJA
RθJL
85(1)
70(2)
20(1)
°C/W
Figure 1. Maximum Forward Current Derating Curve
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
Per Leg
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
Average Forward Rectified Current (A)
Ambient Temperature (°C)
Resistive or Inductive Load
Aluminum Substrate
Glass Epoxy P.C.B.
110 100
0
5.0
10
15
20
25
30
35
Peak Forward Surge Current (A)
Number of Cycles
TA=40 °C
Single Half Sine-Wave
1.0 Cycle
f=60Hz
f=50Hz
Figure 3. Typical Instantaneous Forward Characteristics Per Leg
Figure 4. Typical Reverse Leakage Characteristics Per Leg
0.2 0.4 0.6 0.8 1.0 1.2 1.4
0.01
0.1
1
10
Instantaneous Forward Volta
g
e
(
V
)
Pulse Width = 300 µs
1% Duty Cycle
Instantaneous Forward Current (A)
TJ= 150°C
TJ=25°C
020 40 60 80 100
0.01
0.1
1
10
100
Instantaneous Reverse Leakage Current
(µA)
Percent of Rated Peak Reverse Voltage (%)
TJ= 125 °C
TJ=25°C
RMB2S & RMB4S
Document Number 88705
12-Jul-05
Vishay General Semiconductor
www.vishay.com
3
Package outline dimensions in inches (millimeters)
Figure 5. Typical Junction Capacitance Per Leg
0.1 110 100
0
5.0
10
15
20
25
30
200
Reverse Voltage (V)
Junction Capacitance (pF)
TJ=25 °C
f = 1.0 MHz
Vsig = 50mVp-p
0.029 (0.74)
0.017 (0.43)
0-8o
0.049 (1.24)
0.039 (0.99)
0.062 (1.57)
0.058 (1.47)
0.016 (0.41)
0.006 (0.15)
0.018 (0.46)
0.014 (0.36)
0.008 (0.20)
0.004 (0.10)
0.114 (2.90)
0.110 (2.80)
0.058 (1.47)
0.054 (1.37)
0.252 (6.40)
0.272 (6.90)
0.106 (2.70)
0.090 (2.30)
0.0075 (0.19)
0.0065 (0.16)
0.105 (2.67)
0.095 (2.41)
0.195 (4.95)
0.179 (4.55)
0.144 (3.65)
0.161 (4.10)
0.205 (5.21)
0.195 (4.95)
0.114 (2.90)
0.094 (2.40) 0.038 (0.96)
0.019 (0.48)
0.272 MAX.
(6.91 MAX.)
0.105(2.67)
0.095(2.41)
0.030 MIN.
(0.76 MIN.)
0.023 MIN.
(0.58 MIN.)
TO-269AA (MBS)
Mounting Pad Layout
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
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or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
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