Fairchild 1N5221B, 1N5279B service manual

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Zeners (1N5221B - 1N5279B)

Zeners

1N5221B - 1N5279B

Absolute Maximum Ratings* T

Symbol

Parameter

= 25°C unless otherwise noted

A

Value Units

PD Power Dissipation

Derate above 75°C

T

Storage Temperature Range -65 to +200

STG

TJ Maximum Junction Operating Temperature + 200
Lead Temperature (1/16” from case for 10

seconds)

*These ratings are limiting values above which the serviceability of the diode may be impaired.
**Non-recurrent square wave PW= 8.3 ms, TA= 50 degrees C.

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.

Electrical Characteristics T

Device

1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235BT
1N5236BT
1N5237BT
1N5238BT
1N5239BT
1N5240BT
1N5241BT
1N5242BT
1N5243BT
1N5244BT
1N5245BT

V

(V)

Z

2.4

2.5

2.7

2.8

3.0

3.3

3.6

3.9

4.3

4.7

5.1

5.6

6.0

6.2

6.8

7.5

8.2

8.7

9.1
10
11
12
13
14
15

Z

(ΩΩΩΩ)

30
30
30
30
29
28
24
23
22
19
17
11

7.0

7.0

5.0

6.0

8.0

8.0
10
17
22
30
13
15
16

Z

= 25°C unless otherwise noted

A

I

Z

@

(mA)

20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20

9.5

9.0

8.5

Z

ZK

(ΩΩΩΩ)

1,200
1,250
1,300
1,400
1,600
1,600
1,700
1,900
2,000
1,900
1,600
1,600
1,600
1,000

750
500
500
600
600
600
600
600
600
600
600

500

4.0

+ 230

@

I

ZK

(mA)

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

mW

mW/°C

C

°

C

°

C

°

Tolerance = 5%

DO-35 Glass case

COLOR BAND DENOTES CATHODE

I

R

(µµµµA)

100
100

75
75
50
25
15
10

5.0

2.0

2.0

3.0

3.5

4.0

5.0

6.0

6.5

6.5

7.0

8.0

8.4

0.1

0.1

0.1

0.1

V

(V)

R

@

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

2.0

3.0

3.5

4.0

5.0

6.0

6.5

6.5

7.0

8.0

8.4

9.1

9.9
10
11

T

C

(%/°°°°C)

- 0.085

- 0.085

- 0.080

- 0.080

- 0.075

- 0.07

- 0.065

- 0.06

+/- 0.055

+/- 0.03
+/- 0.03

0.038

0.038

0.045

0.05

0.058

0.062

0.065

0.068

0.075

0.076

0.077

0.079

0.080

0.082

2003 Fairchild Semiconductor Corporation

1N5221B-1N5279B Rev. E

Zeners (1N5221B - 1N5279B)

(continued)

Zeners (1N5221B - 1N5279B)

Electrical Characteristics (Continued) T

Device

1N5246BT
1N5247BT
1N5248BT
1N5249BT
1N5250BT
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
1N5268B
1N5269B
1N5270B
1N5271B
1N5272B
1N5273B
1N5274B
1N5275B
1N5276B
1N5277B
1N5278B
1N5279B

Forward Voltage = 1.2 V Max. @ I

V

F

V

Z

(V)

16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
85
87

91
100
110
120
130
140
150
160
170
180

Z

Z

(ΩΩΩΩ)

17
19
21
23
25
29
33
35
41
44
49
58
70
80

93
105
125
150
170
185
230
270
330
370
400
500
750
900

1100
1300
1500
1700
1900
2200

@

(mA)

0.95

0.90

0.85

0.80

0.74

0.68

= 200 mA

F

I

7.8

7.4

7.0

6.6

6.2

5.6

5.2

5.0

4.6

4.5

4.2

3.8

3.4

3.2

3.0

2.7

2.5

2.2

2.1

2.0

1.8

1.7

1.5

1.4

1.4

1.3

1.1

1.0

Z

= 25°C unless otherwise noted

A

Z

ZK

(ΩΩΩΩ)

600
600
600
600
600
600
600
600
600
600
600
700
700
800

900
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
2600
3000
4000
4500
4500
5000
5500
5500
6000

I

ZK

@

(mA)

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

V

(V)

12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
76
84
91

99
106
114
122
129
137

R

I

R

@

(µµµµA)

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

T

C

(%/°°°°C)

0.083

0.084

0.085

0.085

0.086

0.087

0.088

0.088

0.089

0.090

0.091

0.092

0.093

0.094

0.095

0.095

0.096

0.096

0.097

0.097

0.097

0.098

0.098

0.099

0.099

0.099

0.11

0.11

0.11

0.11

0.11

0.11

0.11

0.11

2003 Fairchild Semiconductor Corporation

1N5221B-1N5279B Rev. E

TRADEMARKS

The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.

ACEx™
ActiveArray™
Bottomless™
CoolFET™
CROSSVOL T™
DOME™
EcoSPARK™
E2CMOS
EnSigna

TM

TM

FACT™
FACT Quiet Series™



FAST
FASTr™
FRFET™
GlobalOptoisolator™
GTO™
HiSeC™

I2C™
Across the board. Around the world.™
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Programmable Active Droop™

ImpliedDisconnect™
ISOPLANAR™
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MicroPak™
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MSX™
MSXPro™
OCX™
OCXPro™
OPTOLOGIC



OPTOPLANAR™

PACMAN™
POP™
Power247™
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

QFET



QS™
QT Optoelectronics™
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RapidConfigure™
RapidConnect™
SILENT SWITCHER
SMART START™

SPM™
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SuperSOT™-6
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

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

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DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:

1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.

PRODUCT STATUS DEFINITIONS

Definition of Terms

Datasheet Identification Product Status Definition

Advance Information

Preliminary

No Identification Needed

Formative or
In Design

First Production

Full Production

2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or

effectiveness.

This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.

This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.

This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.

Obsolete

Not In Production

This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.

Rev. I3