NS8AT THRU NS8MT
GLASS PASSIVATED GENERAL PURPOSE PLASTIC RECTIFIER
Reverse Voltage -
50 to 1000 Volts
TO-220AC
0.185 (4.70)
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
0.154 (3.91)
DIA.
0.148 (3.74)
0.055 (1.39)
0.045 (1.14)
0.175 (4.44)
Forward Current -
8.0 Amperes
FEATURES
♦
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦
High forward current capability
♦
High surge current capability
♦
Low forward voltage drop
♦
Glass passivated chip junction
♦
High temperature soldering guaranteed:
260°C/10 seconds, 0.160" (4.06 mm) lead length
0.113 (2.87)
0.103 (2.62)
0.145 (3.68)
0.135 (3.43)
0.560 (14.22)
0.530 (13.46)
0.410 (10.41)
0.390 (9.91)
PIN
1
0.160 (4.06)
0.140 (3.56)
0.560 (14.22)
0.530 (13.46)
2
0.635 (16.13)
0.625 (15.87)
0.350 (8.89)
0.330 (8.38)
1.148 (29.16)
1.118 (28.40)
0.110 (2.79)
0.100 (2.54)
MECHANICAL DATA
Case:
JEDEC TO-220AB molded plastic body over
passivated chip
Terminals:
Plated leads solderable per MIL-STD-750,
Method 2026
Polarity:
As marked
Mounting Torque:
5 in. - lbs. max.
Mounting Position:
Any
Weight:
0.064 ounce, 1.81 grams
0.105 (2.67)
0.095 (2.41)
0.037 (0.94)
0.027 (0.68)
0.022 (0.56)
0.014 (0.36)
PIN 1
0.205 (5.20)
0.195 (4.95)
PIN 2
CASE
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
NS8
AT
NS8
BT
NS8
DT
NS8
GT
NS8
JT
NS8
KT
NS8
MT
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at T
C
=100°C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 8.0A
Maximum DC reverse current
at rated DC blocking voltage
Typical junction capacitance
(NOTE 1)
Typical thermal resistance
(NOTE 2)
Operating junction and storage temperature range
T
C
=25°C
T
C
=100°C
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
C
J
R
ΘJC
T
J
, T
STG
50
35
50
100
70
100
200
140
200
400
280
400
8.0
125.0
1.1
10.0
100.0
55.0
3.0
-55 to +150
600
420
600
800
560
800
1000
700
1000
Volts
Volts
Volts
Amps
Amps
Volts
µA
pF
°C/W
°C
NOTES:
(1) Measured at 1.0 MHz and applied reversed voltage of 4.0 Volts
(2) Thermal resistance from junction to case mounted on heatsink
4/98
RATINGS AND CHARACTERISTIC CURVES NS8AT THRU NS8MT
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
FIG.1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,
AMPERES
60 H
Z
RESISTIVE or
INDUCTIVE LOAD
PEAK FORWARD SURGE CURRENT,
AMPERES
10
8.0
6.0
4.0
2.0
0
0
175
150
125
1.0 CYCLE
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
100
75
50
25
0
1
10
NUMBER OF CYCLES AT 60 H
Z
50
100
150
CASE TEMPERATURE, °C
100
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
100
100
INSTANTANEOUS FORWARD CURRENT,
AMPERES
T
J
=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
10
10
T
J
=100°C
1
T
J
=75°C
1
0.1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.1
0
20
40
T
J
=25°C
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
120
JUNCTION CAPACITANCE, pF
100
80
60
40
20
0
0.1
T
J
=25°C
f=1.0 MH
Z
Vsig=50mp-p
1
10
REVERSE VOLTAGE, VOLTS
100
1,000
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