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NSB8AT THRU NSB8MT

GLASS PASSIVATED GENERAL PURPOSE PLASTIC RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 8.0 Amperes

TO-263AA FEATURES
Plastic package has Underwriters Laboratory
0.380 (9.65) 0.160 (4.06) Flammability Classification 94V-0
High forward current capability
0.420 (10.67) 0.190 (4.83)

0.245 (6.22)
MIN
0.045 (1.14)
0.055 (1.40)
High surge current capability
Low forward voltage drop
K
Glass passivated chip junction
0.320 (8.13)
0.047 (1.19) High temperature soldering in accordance with
0.055 (1.40)
0.360 (9.14) 0.575 (14.60) CECC 802 / Reflow guaranteed
0.625 (15.88)
1 K 2

SEATING 0.090 (2.29)

-T-
PLATE 0.110 (2.79) MECHANICAL DATA
0.018 (0.46)
0.095 (2.41) 0.025 (0.64) Case: JEDEC TO-263AA molded plastic body
0.100 (2.54)
0.027 (0.686)
0.080 (2.03) Terminals: Plated leads solderable per MIL-STD-750,
0.110 (2.79)
0.037 (0.940) Method 2026
Polarity: As marked
Mounting Position: Any
PIN 1
K - HEATSINK Weight: 0.08 ounce, 2.24 grams
PIN 2

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25C ambient temperature unless otherwise specified.

NSB8 NSB8 NSB8 NSB8 NSB8 NSB8 NSB8

SYMBOLS AT BT DT GT JT KT MT UNITS

Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 Volts
Maximum RMS voltage VRMS 35 70 140 280 420 560 700 Volts
Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 Volts
Maximum average forward rectified current at TC=100C I(AV) 8.0 Amps
Peak forward surge current
8.3ms single half sine-wave superimposed on IFSM 175.0 Amps
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 8.0A VF 1.1 Volts
Maximum DC reverse current
at rated DC blocking voltage TC=25C IR 10.0 A
TC=100C 100.0
Typical junction capacitance (NOTE 1) CJ 55.0 pF
Typical thermal resistance (NOTE 2) RJC 3.0 C/W
Operating junction and storage temperature range TJ, TSTG -55 to +150 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 NSB8AT THRU NSB8MT

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD

FIG.1 - FORWARD CURRENT DERATING CURVE SURGE CURRENT
175
10
AVERAGE FORWARD CURRENT,

TJ=TJ max.

PEAK FORWARD SURGE CURRENT,

60 HZ RESISTIVE or
8.3ms SINGLE HALF SINE-WAVE
INDUCTIVE LOAD 150 (JEDEC Method)
8.0
125
AMPERES

1.0 CYCLE
6.0

AMPERES
100
4.0 75

2.0 50

0 25
0 50 100 150
CASE TEMPERATURE, C 0
1 10 100
NUMBER OF CYCLES AT 60 HZ

FIG. 3 - TYPICAL INSTANTANEOUS FIG. 4 - TYPICAL REVERSE CHARACTERISTICS

FORWARD CHARACTERISTICS 100
100
TJ=25C
PULSE WIDTH=300s
INSTANTANEOUS FORWARD CURRENT,

1% DUTY CYCLE

INSTANTANEOUS REVERSE CURRENT, TJ=100C

10 MICROAMPERES 10
AMPERES

1
TJ=75C
1

0.1
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
TJ=25C
INSTANTANEOUS FORWARD VOLTAGE, VOLTS 0.1
0 20 40 60 80 100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

120
TJ=25C
f=1.0 MHZ
100 Vsig=50mp-p
JUNCTION CAPACITANCE, pF

80

60

40

20

0
0.1 1 10 100 1,000
REVERSE VOLTAGE, VOLTS