1N5221B-LCC3
TOB-LCC
1N5281B-LCC3
MECHANICAL DATA
Dimensions in mm (inches)
5.59 ± 0.13
(0.22 ± 0.005)
0.25 ± 0.03
(0.01 ± 0.001)
1.40 ± 0.15
(0.055 ± 0.006)
0.64 ± 0.08
(0.025 ± 0.003)
0.23 rad.
(0.009)
3
2
1.27 ± 0.05
(0.05 ± 0.002)
ZENER VOLTAGE REGULATOR
DIODE IN HERMETIC CERAMIC
SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY
APPLICATIONS
0.23 min.
(0.009)
3.81 ± 0.13
(0.15 ± 0.005)
4
1
FEATURES
• Military Screening Options available
1.02 ± 0.20
(0.04 ± 0.008)
2.03 ± 0.20
(0.08 ± 0.008)
1 = CATHODE
2 = N/C
3 = N/C
4 = ANODE
ABSOLUTE MAXIMUM RATINGS
T
case
T
stg
P
TOT
R
THJ-A
Operating temperature Range
Storage Temperature Range
Power Dissipation T
A
= 25°C
Thermal resistance (Junction to Ambient)
-55 to +175°C
-65 to +175°C
500mW
300°C/W
ELECTRICAL CHARACTERISTICS
@ 25°C
Nominal
Zener Voltage
Test
Current
I
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Max Zener Impedance
Z
ZT
@ I
ZT
Ohms
30
30
30
30
29
28
24
23
22
19
17
11
7.0
7.0
5.0
Max Reverse Leakage Current
Max Zener Voltage
I
R
m
A
Part No.
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
ZK
@ I
ZK
= 0.25mA
Ohms
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
@
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
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
Temp. Coeff
1N5221
1N5222
1N5223
1N5224
1N5225
1N5226
1N5227
1N5228
1N5229
1N5230
1N5231
1N5232
1N5233
1N5234
1N5235
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
– 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
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
Prelim. 1/99
SEME-LAB [ SEME LAB ]
