1N5944B datasheet(3/4 Pages) EIC

Part #	1N5944B

Description	SILICON ZENER DIODES

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Manufacturer	EIC [EIC discrete Semiconductors]

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RATING AND CHARACTERISTIC CURVES ( 1N5913B - 1N5957B )

FIG. 1 - POWER TEMPERATURE DERATING CURVE

FIG. 2 - TYPICAL THERMAL RESPONSE L, LEAD LENTGTH = 3/8 INCH

FIG. 3 - MAXIMUM SURGE POWER

FIG. 4 - TYPICAL REVERSE LEAKAGE

Page 3 of 4

Rev. 07 : June 7, 2006

1

L = LEAD

LENGTH

TO HEAT SINK

5

3

2

4

L = 1/8"

L = 1"

0

TL, LEAD TEMPERATURE (°C)

0

40

80

120

160

200

t, TIME (SECONS)

0.0001

0.1

1

10

20

30

0.001

0.01

0.1

1

10

1

10

100

1000

0.0001

0.001

0.01

0.1

1

3

2

NOMINAL VZ (VOLTS)

PW, PULS WIDTH (ms)

0.1

1

10

100

1000

100

10

RECTANGULAR

NONREPETITIVE

WAVEFORM

TJ = 25 °C PRIOR

TO INITIAL PULSE

L = 3/8"

D = 0.5

D = 0.2

D = 0.1

D = 0.05

D = 0.02

D = 0.01

D = 0

Note : Below 0.1 second, Thermal

response curve is

applicable

to any lead length (L).

t2

PPK

t

1

D =

t

2

t2

Single Pulse ΔTJL = ӨJL(t)PPK

Repetitive Pulse ΔTJL = ӨJL(t,D)PPK

Ta = 125 °C

Ta = 25 °C

Certificate TH97/10561QM

Certificate TW00/17276EM

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