1N5221B-1N5279B Rev. E

2003 Fairchild Semiconductor Corporation

Absolute Maximum Ratings*

T

Tolerance = 5%

Electrical Characteristics

T

NOTES:

1) These ratings are based on a maximum junction temperature of 200 degrees C.

2) These are steady state limits. The factory should be consulted on applications involving pulsed

or low duty cycle operations.

Zeners

1N5221B - 1N5279B

Symbol

Parameter

Value

Units

Power Dissipation

Derate above 75

°C

500

4.0

mW

mW/

°C

T

STG

Storage Temperature Range

-65 to +200

°C

Maximum Junction Operating Temperature

+ 200

°C

Lead Temperature (1/16” from case for 10

seconds)

+ 230

°C

DO-35 Glass case

COLOR BAND DENOTES CATHODE

Device

V

Z

(V)

Z

Z

(

Ω

Ω

Ω

Ω)

I

Z

(mA)

Z

ZK

(

Ω

Ω

Ω

Ω)

I

ZK

(mA)

I

R

(

µµµµA)

V

R

(V)

T

C

(%/

°°°°C)

1N5221B

1N5222B

1N5223B

1N5224B

1N5225B

2.4

2.5

2.7

2.8

3.0

30

30

30

30

29

20

20

20

20

20

1,200

1,250

1,300

1,400

1,600

0.25

0.25

0.25

0.25

0.25

100

100

75

75

50

1.0

1.0

1.0

1.0

1.0

- 0.085

- 0.085

- 0.080

- 0.080

- 0.075

1N5226B

1N5227B

1N5228B

1N5229B

1N5230B

3.3

3.6

3.9

4.3

4.7

28

24

23

22

19

20

20

20

20

20

1,600

1,700

1,900

2,000

1,900

0.25

0.25

0.25

0.25

0.25

25

15

10

5.0

2.0

1.0

1.0

1.0

1.0

1.0

- 0.07

- 0.065

- 0.06

+/- 0.055

+/- 0.03

1N5231B

1N5232B

1N5233B

1N5234B

1N5235BT

5.1

5.6

6.0

6.2

6.8

17

11

7.0

7.0

5.0

20

20

20

20

20

1,600

1,600

1,600

1,000

750

0.25

0.25

0.25

0.25

0.25

2.0

3.0

3.5

4.0

5.0

2.0

3.0

3.5

4.0

5.0

+/- 0.03

0.038

0.038

0.045

0.05

1N5236BT

1N5237BT

1N5238BT

1N5239BT

1N5240BT

7.5

8.2

8.7

9.1

10

6.0

8.0

8.0

10

17

20

20

20

20

20

500

500

600

600

600

0.25

0.25

0.25

0.25

0.25

6.0

6.5

6.5

7.0

8.0

6.0

6.5

6.5

7.0

8.0

0.058

0.062

0.065

0.068

0.075

1N5241BT

1N5242BT

1N5243BT

1N5244BT

1N5245BT

11

12

13

14

15

22

30

13

15

16

20

20

9.5

9.0

8.5

600

600

600

600

600

0.25

0.25

0.25

0.25

0.25

8.4

0.1

0.1

0.1

0.1

8.4

9.1

9.9

10

11

0.076

0.077

0.079

0.080

0.082

@

@

@