R1A1 THRU R1A7
Features
Mechanical Data
The plastic package carries Underwrites Laboratory
Flammability Classification 94V-0
Construction utilizes void-free molded plastic technique
Low reverse leakage
High forward surge current capability
High reliability
Maximum Ratings And Electrical Characteristics
Case : R-1 molded plastic body
Terminals : Lead solderable per MIL-STD-750,
method 2026
Polarity : Color band denotes cathode end
Mounting Position: Any
Weight : 0.007 ounce, 0.19 gram
(Ratings at 25 ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive
load. For capacitive load, derate by 20%)
Notes:
(1) Measured at 1MHz and applied reverse voltage of 4.0V dc.
(2) Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length, p.c.b. mounted
CURRENT 1.0 Ampere
VOLTAGE 50V to 1000 Volts
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Volts
Peak forward surge current 8.3ms half sing
wave superimposed on rated load
(JEDEC method) at T
A
=75
V
DC
Maximum average forward rectified current
0.375"(9.5mm) lead length T
A
=25
Maximum instantaneous forward voltage
at 1.0A
V
RRM
50
Volts
Symbols
R1A1
Units
1.0
V
F
V
RMS
1.0
Amps
25.0
I
FSM
T
J
T
STG
50.0
-50 to +175
Volts
Amp
Maximum reverse
current at rated voltage
Typical thermal resistance (Note 2)
Typical junction capacitance (Note 1)
Operating and Storage temperature Range
R1A2 R1A3 R1A4 R1A5 R1A6 R1A7
35
50
5.0
50.0
15.0
100
70
100
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
1000
Volts
A
/W
pF
I
(AV)
I
R
C
J
R
JA
T
A
=25
T
A
=100
Dimensions in inches and (millimeters)
R-1
0.787(20.0)
MIN.
0.787(20.0)
MIN.
0.126(3.2)
0.106(2.7)
0.025(0.65)
0.021(0.55)
DIA.
0.102(2.6)
0.091(2.3)
DIA.
FIG.1-FORWARD CURRENT DERATING CURVE
FIG.2-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG.3-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.5-TYPICAL JUNCTION CAPACITANCE
FIG.4-TYPICAL REVERSE CHARACTERISTICS
100
0
25
175
150
125
75
50
0.8
0
0.2
1.0
0.6
0.4
LEAD TEMPERATURE ( )
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
A
M
P
E
R
E
S
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
1.4
0.6
0.8
1.5
1.2
1.0
20
0.01
0.1
10
1
LEAD TEMPERATURE ( )
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(
A
M
P
E
R
E
S
)
T
J
=25
PULSE WIDTH=300
S
1% DUTY CYCLE
10
1
100
40
0
10
50
30
20
NUMBER OF CYCLES AT 60Hz
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
(
A
M
P
E
R
E
S
)
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0.01
0.1
10
1.0
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
C
U
R
R
E
N
T
(
A
)
100
0
20
140
120
80
60
40
1
10
100
REVERSE VOLTAGE. VOLTS
J
U
N
C
T
I
O
N
C
A
P
A
C
I
T
A
N
C
E
(
p
F
)
10
1
100
0.1
T
J
=25
T
J
=25
RATINGS AND CHARACTERISTIC CURVES R1A1 THRU R1A7
PDF 
ZIP