2003 Fairchild Semiconductor Corporation
Electrical Characteristics
Absolute Maximum Ratings*
*
**
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
These ratings are limiting values above which the serviceability of the diode may be impaired.
P
T
T
Symbol
Non-recurrent square wave PW= 8.3 ms, TA= 50 degrees C.
or low duty cycle operations.
STG
J
D
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
Device
Power Dissipation
Storage Temperature Range
Maximum Junction Operating Temperature
Lead Temperature (1/16” from case for 10
seconds)
Derate above 75 C
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
V
(V)
10
11
12
13
14
15
Z
Parameter
( )
7.0
7.0
5.0
6.0
8.0
8.0
Z
30
30
30
30
29
28
24
23
22
19
17
11
10
17
22
30
13
15
16
Z
1N5221B - 1N5279B
@
T
A
= 25°C unless otherwise noted
(mA)
9.5
9.0
8.5
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
I
Z
T
A
= 25°C unless otherwise noted
Zeners
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
Z
750
500
500
600
600
600
600
600
600
600
600
( )
ZK
-65 to +200
Value
+ 200
+ 230
500
4.0
@
(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
I
ZK
Units
mW/ C
mW
C
C
C
( A)
100
100
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
75
75
50
25
15
10
I
R
COLOR BAND DENOTES CATHODE
@
DO-35 Glass case
Tolerance = 5%
V
(V)
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
R
1N5221B-1N5279B Rev. E
+/- 0.055
+/- 0.03
+/- 0.03
- 0.085
- 0.085
- 0.080
- 0.080
- 0.075
- 0.065
(%/ C)
- 0.07
- 0.06
0.038
0.038
0.045
0.058
0.062
0.065
0.068
0.075
0.076
0.077
0.079
0.080
0.082
0.05
T
C