1N3305B THRU 1N3350B
www.centralsemi.com
SILICON ZENER DIODES
6.8 VOLT THRU 200 VOLT
50W, 5% TOLERANCE
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 1N3305B series
types are silicon Zener diodes manufactured in a
hermetically sealed metal case, designed for high
reliability industrial applications. Also available in
reverse polarity connection (replace “B” suffix with “RB”
suffix in part number - ex. 1N3305RB).
MARKING: FULL PART NUMBER
DO-5 CASE
MAXIMUM RATINGS: (T =75°C)
Power Dissipation
SYMBOL
UNITS
W
C
P
50
-65 to +175
2.0
D
Operating and Storage Junction Temperature
Thermal Resistance
T , T
°C
J
stg
Θ
°C/W
JC
ELECTRICAL CHARACTERISTICS: (T =30°C unless otherwise noted) V =1.5V MAX @ I =10A
C
F
F
MAXIMUM
ZENER
MAXIMUM
REVERSE
CURRENT
TYPICAL
TEMPERATURE
COEFFICIENT
ZENERVOLTAGE
@ I
TEST
MAXIMUM ZENER
IMPEDANCE
V
CURRENT
CURRENT
Z
ZT
TYPE
(T =75°C MAX)
C
I
Z
@ I
Ω
Z
@
I
I
@
V
I
V
MIN
NOM
MAX
ZT
ZT
ZT
ZK
ZK
R
R
ZM
Z
V
V
V
mA
1850
1700
1500
1370
1200
1100
1000
960
890
830
780
740
700
660
630
570
520
500
460
420
380
350
320
290
280
270
Ω
70
70
70
70
80
80
80
80
80
80
80
80
80
80
80
80
80
90
90
90
90
90
90
90
100
100
mA
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
μA
150
75
50
25
V
mA
%/°C
0.040
0.045
0.048
0.051
0.055
0.060
0.065
0.065
0.070
0.070
0.070
0.075
0.075
0.075
0.075
0.080
0.080
0.080
0.085
0.085
0.085
0.085
0.090
0.090
0.090
0.090
1N3305B
1N3306B
1N3307B
1N3308B
1N3309B
1N3310B
1N3311B
1N3312B
1N3313B
1N3314B
1N3315B
1N3316B
1N3317B
1N3318B
1N3319B
1N3320B
1N3321B
1N3322B
1N3323B
1N3324B
1N3325B
1N3326B
1N3327B
1N3328B
1N3329B
1N3330B
6.460
7.125
7.790
8.645
9.500
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
28.50
31.35
34.20
37.05
40.85
42.75
44.65
6.8
7.5
8.2
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
30
33
36
39
43
45
47
7.140
7.875
8.610
9.555
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
31.50
34.65
37.80
40.95
45.15
47.25
49.35
0.2
0.3
0.4
0.5
0.6
0.8
1.0
1.1
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.5
2.6
2.7
2.8
3.0
3.2
3.5
4.0
4.5
4.5
5.0
4.5
5.0
5.4
6.1
6.7
8.4
9.1
9.9
10.6
11.4
12.2
13.0
13.7
14.4
15.2
16.7
18.2
19.0
20.6
22.8
25.1
27.4
29.7
32.7
34.2
35.8
6600
5900
5200
4800
4300
3900
3600
3300
3000
2800
2650
2500
2300
2200
2100
1900
1750
1550
1500
1400
1300
1150
1050
975
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
930
880
R3 (21-March 2013)