Description
Features
n INEXPENSIVE
n GLASS PASSIVATED DIE
Mechanical Dimensions
n AVALANCHE VOLTAGE 24 TO
32 VOLTS
Electrical Characteristics @ 25
o
C.
Maximum Ratings
FR2528 & 3528
FR2528 & 3528
V
RRM
20
Volts
V
RWM
2 0
Volts
V
DC
2 0
Volts
I
RSM
110
Amps
150
Amps
I
O
2 5
Amps
3 5
Amps
I
FSM
250
Amps
600
Amps
800
Amps
Symbol
Value
Units
Data Sheet
F
AST
O
RB
- 25 & 35 Amp
Avalanche AUTOMOTIVE
RECTIFIERS
"
7.5
C / W
"
1 0
C / W
"
1 3
C / W
.8 Typ
C / W
Instantaneous Forward Voltage (I
F
= 100 Amps, T
C
= 25
C)...V
F
Instantaneous Reverse Current (V
R
= 20 V
DC
, T
C
= 25
C)...I
R
Breakdown Voltage (I
R
= 100 mAmps, T
C
= 25
C)...V
BR
Clamping Voltage (I
R
= 90 Amps, T
C
= 150
C, PW = 80
S)...V
BR
Breakdown Voltage Temperature Coefficient...V
(br)
T
C
Forward Voltage Temperature Coefficient...(I
F
= 10 mA) V
F(tc)
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Length
Length
Length
Length
Length
Max.
Max.
Max.
Max.
Max.
Units
Units
Units
Units
Units
N/A
1.10
Volts
N/A
1.0
Amps
24
32
Volts
N/A
40
Volts
N/A
0.096
% /
C
N/A
2
mV /
C
Min.
Min.
Min.
Min.
Min.
Max.
Max.
Max.
Max.
Max.
Units
Units
Units
Units
Units
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Repetitive Peak Reverse Surge Current
FR2528
FR3528
Average Forward Rectified Current
FR2528
FR3528
Non-Repetitive Peak Forward Surge Current
Surge Supplied @ Rated Load Conditions, Wave, Single Phase
FR2528
FR3528
Thermal Resistance, Junction to Lead
Both Equal Length Leads to Heat Sink
R
JL
Thermal Resistance, Junction to Case
R
JC
Replaces MR2535 & MR3525
8
Page 2-20
FR2500S
.337
.220
.241
.175
Leads 1.00 typ. .05 Dia.
FR2528S
.337
FR2528
.395
Options - Add Suffix to Part #:
FR2528L = 2 Leads; FR3528L = 2 Leads
For 1 Lead Small Pkg:
FR2528SC = Lead On Cathode
FR2528SA = Lead On Anode
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Surge Current Characteristics
I
RRM
(EXP)
I
RRM
(EXP)
0 10
30
50
Note: Ring Markings on Cathode
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