Mounting Instructions
High temperature soldering guaranteed: 260 C 10 sc.
Recommended mounting torque: 8 Kg.cm.
FBI3.7B
1M1
100
40
FBI3.7B1M1.......FBI3.7M1M1
3.7 Amp. Glass Passivated Bridge Rectifier
Dimensions in mm.
Maximum Ratings, according to IEC publication No. 134
Recurrent peak forward current
10 ms. peak forward surge current
I
2
t value for fusing (t = 10 ms)
Dielectric strength
(terminals to case, AC 1 min.)
Operating temperature range
Storage temperature range
I
FRM
I
FSM
I
2
t
V
DIS
T
j
T
stg
3.7 A at 100 C
3.0 A at 25 C
20 A
150 A
110 A
2
sec
1500 V
40 to + 150 C
40 to +150 C
Voltage
100 to 1000 V.
Current
3.7 A.
V
RRM
V
R
I
F(AV)
Peak Recurrent Reverse Voltage (V)
Recommended Input Voltage (V)
Max. Average forward current with heatsink
without heatsink
FBI3.7D
1M1
200
80
FBI3.7F
1M1
300
125
FBI3.7J
1M1
600
250
FBI3.7L
1M1
900
380
FBI3.7M
1M1
1000
500
Plastic
Case
Electrical Characteristics at Tamb = 25C
V
F
Max. forward voltage drop per element at I
F
= 3 A
I
R
1.1 V
Max. reverse current per element at V
RRM
5 A
MAXIMUM THERMAL RESISTANCE
Junction-Case. With Heatsink.
Junction-Ambient. Without Heatsink.
5 C/W
22 C/W
R
th (j-c)
R
th (j-a)
25
3.2
7.5
7.5
10
1
0.7
3.5
1
+ 0.05
+
_
L
suffix
17.5
8
4
Glass Passivated Junction Chips.
UL recognized under component index file
number E130180.
Lead and polarity identifications.
Case: Molded Plastic.
Ideal for printed circuit board (P.C.B.).
High surge current capability.
The plastic material carries U/L recognition 94 V-O.
Jan - 00
70
V
RMS
Maximum RMS Voltage (V)
140
210
420
630
700
MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
Number of cycles at 50 Hz.
10
100
0
50
100
150
200
1
V
F
, instantaneous forward voltage (V)
0.6
1.0
1.4
0
0.1
1.0
10
Tamb = 25 C
Characteristic Curves
FBI3.7 - 1M1
TYPICAL FORWARD CHARACTERISTIC
Tamb, ambient temperature (C)
1
2
3
4
0
50
100
150 175
0
125
25
75
FORWARD CURRENT DERATING CURVE
heatsink
Tc
Tc
sine wave
R-load
on heatsink
+
_
on glass-epoxi substrate
P.C.B.
soldering land 5 mm
sine wave
R-load
free in air
Jan - 00
+
_
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