Max Zener Impedance Max Reverse Leakage Current
Max Zener Voltage
Temp. Coeff
– 0.085
– 0.085
– 0.080
– 0.080
– 0.075
– 0.070
– 0.065
– 0.060
± 0.055
± 0.030
± 0.030
+ 0.038
+ 0.038
+ 0.045
+ 0.050
Prelim. 1/99
1N5221B-LCC3
TOB-LCC
1N5281B-LCC3
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
ZENER VOLTAGE REGULATOR
DIODE IN HERMETIC CERAMIC
SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY
APPLICATIONS
T
case
Operating temperature Range
T
stg
Storage Temperature Range
P
TOT
Power Dissipation T
A
= 25°C
RTH
J-A
Thermal resistance (Junction to Ambient)
-55 to +175°C
-65 to +175°C
500mW
300°C/W
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS @ 25°C
FEATURES
Military Screening Options available
MECHANICAL DATA
Dimensions in mm (inches)
1
23
4
5.59 ± 0.13
(0.22 ± 0.005)
0.23
(0.009)
rad.
1.02 ± 0.20
(0.04 ± 0.008)
2.03 ± 0.20
(0.08 ± 0.008)
1.40 ± 0.15
(0.055 ± 0.006)
0.25 ± 0.03
(0.01 ± 0.001)
0.23
(0.009)
min.
1.
27 ± 0.
05
(
0
.
05 ± 0.
002
)
3.
81 ± 0.
13
(
0
.
15 ± 0.
00
5)
0.
64 ± 0.
08
(
0
.
0
25 ± 0.
003)
1 = CATHODE 2 = N/C 3 = N/C 4 = ANODE
Nominal
Zener Voltage
V
z
@ I
ZT
Volts
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
Z
ZT
@ I
ZT
Ohms
30
30
30
30
29
28
24
23
22
19
17
11
7.0
7.0
5.0
Z
ZK
@ I
ZK
= 0.25mA
Ohms
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
I
R
G6DA
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
V
R
Volts
B, C & D
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
@
A
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
1.9
1.9
2.9
3.3
3.8
4.8
Test
Current
I
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Part No.
1N5221
1N5222
1N5223
1N5224
1N5225
1N5226
1N5227
1N5228
1N5229
1N5230
1N5231
1N5232
1N5233
1N5234
1N5235