SBR 25A/35A SERIES
SILICON / GLASS
PASSIVATED THREE PHASE
BRIDGE RECTIFIERS
CHENG- YI
ELECTRONIC
REVERSE VOLTAGE -50 to 1600 Volts
FORWARD CURRENT -25/35 Amperes
FEATURES
Diffused Junction
Low Forward Voltage Drop
High Current Capability
High Reliability
High Surge Current Capability
Ideal for Printed Circuit Boards
MECHANICAL DATA
Cass: Epoxy Cass With Heat Sink Internally
Mounted in Bridge Encapsulation
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: As Marked on Body
Weight: 20 grams (approx.)
Mounting Position:
Bolt Down on Heatsink With Siloicone Thermal
Compound Between Bridge and Mounting Surface
for Maximum Heat Transfer Efficiency
Mounting Torque: 20 in Ibs. Max.
Marking: Type Number
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
VOLTAGE RATINGS
Characteristics
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Peak Non-Repetitive Reverse Voltage
RMS Reverse Voltage
Symbol
V
RRM
V
RWM
V
R
V
RSM
V
R(RMS)
Symbol
-00
50
75
35
-01
100
150
70
-02
200
275
140
-04
400
500
280
-06
600
725
420
-08
800
900
560
-10
1000
1100
700
-12
1200
1300
840
-14
1400
1500
980
-16
1600
1700
1120
UNIT
V
V
V
FORWARD CONDUCTION
Characteristics
MT25
25
375
360
314
300
580
635
410
450
1.26
10
5.0
2500
-40 to +150
-40 to +150
1.42
0.2
MT35
35
500
475
420
400
1030
1130
730
800
UNIT
A
Maximum Average Forward
Rectified Current @T
C
=100
o
C
Non-Repetitive Peak Forward Surge Current
(No Voltage Reapplied t = 8.3ms at 60Hz)
(No Voltage Reapplied t = 10ms at 50Hz)
(100% V
RRM
Reapplied t = 8.3ms at 60Hz)
(100% V
RRM
Reapplied t = 10ms at 50Hz)
I t Rating for Fusing
(No Voltage Reapplied t = 8.3ms at 60Hz)
(No Voltage Reapplied t = 10ms at 50Hz)
(100% V
RRM
Reapplied t = 8.3ms at 60Hz)
(100% V
RRM
Reapplied t = 10ms at 50Hz)
Forward Voltage (per element)
@T
J
= 25
o
C, @I
FM
= 40A
PK
Per single
junction
Peark Reverse Current (per leg) @T
J
= 25
o
C
At Rated DC Blocking Voltage
@T
J
= 125
o
C
RMS Isolation Voltage from Case to Lead
2
I
O
I
FSM
A
I
2
t
A
2
S
V
F
I
R
V
ISO
T
J
T
STG
R
R
JC
CS
1.19
V
A
mA
V
0
0
THERMAL CHARACTERISTICS
Operating Temperature Range
Storage Temperature Range
Temperature Resistance Junction to Case at
DC Operation per Bridge
Temperature Resistance Case to Heatsing
Monting Surface, Smooth, Flat and Greased
C
C
1.16
K/W
K/W
SBR 25A/35A SERIES
SILICON / GLASS
PASSIVATED THREE PHASE
BRIDGE RECTIFIERS
RATING AND CHARACTERISTICS CURVES
SBR 25A/35A SERIES
FIG. 1- Current Rating Characteristics
150
1000
CHENG- YI
ELECTRONIC
FIG. 2- Forward Voltage Drop Characteristics
Maximum
Allowable Case Temperature ( C)
o
130
Instantaneous Forward Current (A)
100
Per Junction
T
J
= 150
o
C
110
120
o
C
(Rect)
90
10
-
70
-
-
-
-
+
-
~
-
T
J
= 25 C
o
50
0
5
10
15
20
25
30
1
0
0.5
1
1.5
2
2.5
3
3.5
4
Total Output Current (A)
Instantaneous Forward Voltage (V)
FIG. 3- Total Power Loss Characteristics
55
50
R
t
1 K/W
T
J
=150
o
C
2 K/W
A
hS
Maximum Total Power Loss (W)
=
45
40
35
30
25
20
/
7K
0.
W
at
-D
a
120 C
(Rect)
o
3 K/W
4 K/W
5 K/W
7 K/W
R
15
10
5
0
0
5
10
15
20
10 K/W
25
25
50
75
100
125
o
150
Total Output Current (A)
Maximum Allowable Ambient Temperature, (C)
FIG. 4- Maximum Non-Repetitive Surge Current
320
FIG. 5- Maximum Non-Repetitive Surge Current
400
Peak Half Sine-Wave Forward Current (A)
300
280
260
240
220
200
180
160
140
120
100
80
1
At Any Rated Load Condition And With
Rated V
RRV
Applied Following Surge
Initial T
J
=150
o
C
Peak Half Sine-Wave Forward Current (A)
360
320
280
240
200
160
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration
Initial T
J
=150
o
C
@ 60 Hz 0.0083s
No Voltage Reapplied
@ 50 Hz 0.0100s
Rated V
RRM
Reapplied
120
80
10
100
0.01
0.1
1
Number OF Equal Amplitude Half Cucle Current Puses (N)
Pulse Train Duration (s)
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