ROHM 1SR139-600, 1SR139-400 Datasheet
Diodes
Rectifier diode
1SR139-400 / 1SR139-600
Applications
!!!!
1) General purpose rectification
2) Surge absorption
Features
!!!!
1) Cylindrical mold. (MSR)
2) Outstanding reverse surge capability.
3) High reliability.
Construction
!!!!
Silicon diffused junction
1SR139-400 / 1SR139-600
External dimensions
!!!!
29±1
Type No. and date of manufacture stamped on body in
digital marking.
ROHM : MSR
EIAJ : −
JEDEC : DO-41mini
(Units : mm)
CATHODE BAND (GREEN)
3.0±0.2
Month of manufacture 1999.12 → 9. N
Product name 1SR139-400
29±1
φ0.6±0.1
φ2.5±0.2
1SR139-600
→
4
→
6
Absolute maximum ratings
!!!!
Parameter Symbol Limits Unit
Absolute peak
reverse voltage
Peak reverse
voltage
Mean rectifying current
Peak forward surge current
Junction temperature
Storage temperature
∗60 Hz for 1
Electrical characteristics
!!!!
Forward voltage
Reverse current
1SR139-400
1SR139-600 750
1SR139-400
1SR139-600 600
Parameter Symbol Min. Typ. Max. Unit Conditions
1SR139-400
1SR139-600
(Ta = 25°C)
∗
(Ta = 25°C)
V
F
I
R
RSM
V
V
RM
O
I
FSM
I
T
j
T
stg
−−1.1 V I
−−10
−−10 V
500
400
1.0 A
40 A
150
−40~+150
µA
°C
°C
V
V
F
=
1.0A
V
R
=
400V
R
=
600V
Diodes
Electrical characteristic curves
!!!!
10
1
(A)
F
100m
10m
1m
FORWARD CURRENT : I
100µ
10µ
50
A)
(
FSM
40
°C
°C
°C
°C
75
25
Ta=125
−25
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
FORWARD VOLTAGE : V
F
Fig. 1 Forward characteristics
(
V)
I
FSM
(Ta = 25°C)
10µ
A)
(
R
100n
REVERSE CURRENT : I
10n
Ta=125°C
1µ
0 100 200 300 400 500 600 700
REVERSE VOLTAGE : V
Ta=100°C
Ta=75°C
Ta=50°C
Ta=25°C
R
(
V)
Fig. 2 Reverse characteristics
1SR139-400 / 1SR139-600
1.0
A)
(
O
0.8
0.6
0.4
0.2
AVERAGE RECTIFIED CURRENT : I
0
RESISTIVE AND INDUCTIVE LOAD
CAPACITIVE LOAD
25 50 100 150 200
0
AMBIENT TEMPERATURE : Ta (°C)
Fig. 3 Derating curve
30
20
10
SURGE FORWARD CURRENT : I
0
1 3 5 10 30 50 100
CYCLES (60Hz)
Line indicating
beginning of failure
P=50%
Fig. 4 Surge current characteristics
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