1N5938B-LFR datasheet(2/2 Pages) FRONTIER

Part #	1N5938B-LFR

Description	1.5 WATT SILICON ZENER DIODE

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Manufacturer	FRONTIER [Frontier Electronics.]

Direct Link	http://www.frontierusa.com

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1N5921B-LFR THRU 1N5956B-LFR

Page: 2

RATINGS AND CHARACTERISTIC CURVES 1N5921B-LFR THRU 1N5956B-LFR

TEMPERATURE COEFFICIENT RANGES (90% of the Units are in the Ranges Indicated)

ZENER VOLTAGE versus ZENER CURRENT

10

8

6

4

2

0

-2

-4

3

4

5

6

7

8

9

10

11

12

VZ, ZENER VOLTAGE

＠I

ZT(VOLTS)

RANGE

Figure. 1 - Units To 12 Volts

80

70

60

50

40

30

20

10

0

1/8

1/4

3/8

1/2

5/3

3/4

7/8

1

L, LEAD LENGTH TO HEAT SINK (INCH)

PRIMARY PATH OF CONDUCTION IS

THROUGH THE CATHODE LEAD

TL

L

Figure. 6 - Typical Thermal Resistance

1000

500

200

100

50

20

10

20

50

100

200

400

1000

VZ, ZENER VOLTAGE

＠I

ZT(VOLTS)

Figure. 2 - Units 10 To 1400 Volts

100

50

30

20

10

5

3

2

1

0.5

0.3

0.2

0.1

0

1

2

3

4

5

6

7

8

9

10

VZ, ZENER VOLTAGE

＠I

ZT(VOLTS)

Figure. 3 - VZ=3.3thru 10 Volts

Figure. 7 - Power Temperature Derating Curve

2.5

2.0

1.5

1.0

0.5

0

20

40

60

80

100

120

140

160

180

200

TL, LEAD TEMPERATURE (

OC)

10

5

2

1

0.5

0.2

0.1

100

150

200

250

300

350

400

450

VZ, ZENER VOLTAGE

＠I

ZT(VOLTS)

Figure. 5 - VZ=100 thru 400 Volts

100

50

30

20

10

5

3

2

1

0.5

0.3

0.2

0.1

VZ, ZENER VOLTAGE

＠I

ZT(VOLTS)

Figure. 4 - VZ=12 thru 82 Volts

0

10

20 30

40

50

60 70

80

90

100

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