NSxT, NSFxT, NSBxT
Vishay Semiconductors
for merly General Semiconductor
Glass Passivated General Purpose
Plastic Rectifier Rever se V oltage 50 to 1000
Forward Current 8.0A
0.08
(2.032)
0.24
(6.096)
0.42
(10.66)
0.63
(17.02)
0.12
(3.05)
0.33
(8.38)
Mounting Pad Layout TO-263AB
0.380 (9.65)
0.411 (10.45)
0.320 (8.13)
0.360 (9.14)
0.591 (15.00)
0.624 (15.85)
12
0.245 (6.22)
MIN
K
0.027 (0.686)
0.037 (0.940)
0.105 (2.67)
0.095 (2.41) 0.205 (5.20)
0.195 (4.95)
K
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.021 (0.53)
0.014 (0.36)
0.110 (2.79)
0.140 (3.56)
0.090 (2.29)
0.110 (2.79)
0.047 (1.19)
0.055 (1.40)
PIN 1
PIN 2 K - HEATSINK
0-0.01 (0-0.254)
0.060 (1.52)
0.405 (10.27)
0.383 (9.72)
0.191 (4.85)
0.171 (4.35)
0.600 (15.5)
0.580 (14.5)
0.560 (14.22)
0.530 (13.46)
0.037 (0.94)
0.027 (0.69)
0.140 (3.56)
0.130 (3.30)
0.350 (8.89)
0.330 (8.38)
0.188 (4.77)
0.172 (4.36)
0.110 (2.80)
0.100 (2.54)
0.131 (3.39)
0.122 (3.08)
0.110 (2.80)
0.100 (2.54)
0.022 (0.55)
0.014 (0.36)
0.205 (5.20)
0.195 (4.95)
12
PIN
DIA.
DIA.
PIN 1
PIN 2
0.676 (17.2)
0.646 (16.4)
ITO-220AC (NSFxT)
TO-220AC (NSxT)
Dimensions in inches
and (millimeters)
TO-263AB (NSBxT)
0.154 (3.91)
0.148 (3.74) DIA.
0.113 (2.87)
0.103 (2.62)
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
0.145 (3.68)
0.135 (3.43)
0.350 (8.89)
0.330 (8.38)
0.160 (4.06)
0.140 (3.56)
0.037 (0.94)
0.027 (0.68)
0.205 (5.20)
0.195 (4.95)
0.560 (14.22)
0.530 (13.46)
0.022 (0.56)
0.014 (0.36)
0.110 (2.79)
0.100 (2.54)
12 1.148 (29.16)
1.118 (28.40)
0.105 (2.67)
0.095 (2.41)
0.410 (10.41)
0.390 (9.91) 0.635 (16.13)
0.625 (15.87)
0.603 (15.32)
0.573 (14.55)
PIN
0.415 (10.54) MAX.
PIN 1
PIN 2 CASE
0.370 (9.40)
0.360 (9.14)
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” (4.06mm) lead
length
Mechanical Data
Case: JEDEC T O-220A C, ITO-220A C &
TO-263AB molded plastic body
Terminals: Plated leads solderable per
MIL-STD-750, Method 2026
Polarity: As marked
Mounting T orque: 10 in. -lbs. max.
Mounting Position: Any
Weight: 0.064 ounce, 1.81 grams
Document Number 88690 www.vishay.com
08-Jul-02 1
NSxT, NSFxT, NSBxT
Vishay Semiconductors
for merly General Semiconductor
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
NS8 NS8 NS8 NS8 NS8 NS8 NS8
Parameter Symbols AT BT DT GT JT KT MT Units
Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V
Maximum average forward rectified current
at TC=100°C IF(AV) 8.0 A
Peak forward surge current
8.3ms single half sine-wave superimposed on IFSM 125 A
rated load (JEDEC Method)
Operating junction and storage temperature range TJ, TSTG -55 to +150 °C
RMS Isolation voltage (NSF type only) 4500(1)
from terminals to heatsink VISOL 3500(2) V
with t = 1.0 second, RH ≤30% 1500(3)
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
NS8 NS8 NS8 NS8 NS8 NS8 NS8
Parameter Symbols AT BT DT GT JT KT MT Units
Maximum instantaneous forward voltage at 8.0A VF1.1 V
Maximum DC reverse current
at rated DC blocking voltage TC=25°C IR10 µA
TC=100°C 100
Typical junction capacitance at 4.0V, 1MHz CJ55 pF
Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbols NSxT NSFxt NSBxt Units
Typical ther mal resistance(4) RΘJC 3.0 5.0 3.0 °C/W
Notes:
(1) Clip mounting (on case), where lead does not overlap heatsink with 0.110” offset
(2) Clip mounting (on case), where leads do overlap heatsink
(3) Screw mounting with 4-40 screw, where washer diameter is ≤4.9mm (0.19”)
(4) Thermal resistance from junction to case mounted on heat sink
www.vishay.com Document Number 88690
208-Jul-02
NSxT, NSFxT, NSBxT
Vishay Semiconductors
for merly General Semiconductor
Ratings and
Characteristic Curves(TA= 25°C unless otherwise noted)
Case Temperature (°C)
Fig. 1 – Forward Current
Derating Curve
Average Forward Current (A)
Fig. 3 – Typical Instantaneous
Forward Characteristics
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
Percent of Rated Peak Reverse Voltage (%)
Instantaneous Reverse Current (µA)
Fig. 4 – Typical Reverse
Characteristics
110 100
50
25
0
75
100
125
150
175
Number of Cycles at 60 HZ
Fig. 2 – Maximum Non-Repetitive
Peak Forward Surge Current
Peak Forward Surge Current (A)
Reverse Voltage (V)
Junction Capacitance (pF)
Fig. 5 – Typical Junction
Capacitance Per Leg
050 100 150
0
2.0
4.0
6.0
8.0
10 60 HZ Resistive or Inductive Load
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0.1
1
10
100
020 40 60 80 100
0.1
1
10
100
0.1 110 100 1,000
0
20
40
60
80
100
120
TJ = 25°C
f = 1.0MHZ
Vsig = 50MVp-p
1.0 Cycle
TJ = TJ max.
8.3ms Single Half Sine-Wave
(JEDEC Method)
TJ = 75°C
TJ = 25°C
TJ = 100°C
Pulse Width = 300µs
1% Duty Cycle
Document Number 88690 www.vishay.com
08-Jul-02 3
