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20 STERN AVE.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
!
N
2970B THRU 1N301 SB
10W ZENER DIODE
6.8 VOLTS TO 200 VOLTS
5% TOLERANCE
DO-4 CASE
DESCRIPTION
The New Jersey Semiconductor 1N2970B Series types are Silicon Zener diodes, manufactured in a hermetically
sealed metal case, designed for high reliability industrial application. Also available in reverse polarity connection
(must add an "R" suffix in part number - ex. 1N2970RB).
ITEM
SYMBOL
ABSOLUTE MAXIMUM RATINGS
TELEPHONE: (973) 376-2922
(212)227-6005
FAX: (973) 378-8960
Power Dissipation (@ TQ=55°C)
Operating and Storage Temperature
PD
TJ
.
T
STG
UNIT
W
-65 TO+175
Maximum Zener
Impedance
Z
ZT@'ZT
••c
ELECTRICAL CHARACTERISTICS
(T
r
=25°C), V
F
=1.5V MAX @ lp=2A FOR ALL TYPES
TYPE
MIN
Zener
Voltage
Test
Current
MAX
VZ@'ZT
NOM
"ZT
mA
370
335
305
275
250
230
210
190
180
170
155
145
140
130
125
115
105
100
95
85
75
70
65
Maximum
Reverse Leakage
Current
|R
@
V
R
Maximum
DC Zener
Current
Z
ZK
@ 'ZK
mA
1.0
1.0
1.0
1,0
10
1.0
1.0
1.0
1.0
IZM
mA
1,320
1,180
1.040
Volts
1N2970B
6.460
1N2971B
7.125
1N2972B
7,790
1N2973B
8.645
IN2974B
9,500
1N2975B
10.45
1N2976B
11.40
1N2977B
1235
13.30
1N2978B
1N2979B
14.25
1N2980B
1520
1N2981B
16.15
1N2982B
17,10
1N2983B
18.05
1N2984B
19.00
1N2985B
20,90
IN2986B
22.80
1N2987B
23.75
1N2988B
2565
1N2989B
2850
1N2990B
31 35
1N2991B
3420
1N2992B
37.05
Volts
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
Volts
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
MA
150
75
50
25
10
5.0
5.0
5.0
50
5.0
50
5.0
5.0
50
5.0
5.0
5,0
5.0
5.0
50
5.0
50
50
Volts
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
10.6
11.4
122
13.0
13.7
14.4
152
16.7
18.2
18.2
20.6
228
a
12
1.3
1.5
n
500
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
300
300
300
300
2.0
3.0
3.0
3.0
3.0
3.0
3.0
4.0
4.0
4.0
40
4.0
5.0
5.0
6.0
7.0
8.0
9.0
10
11
1,0
1.0
10
1.0
1.0
1.0
1,0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
36
39
26.25
28,35
31 50
3465
37.80
40.95
960
860
780
720
660
600
560
530
500
460
440
420
380
350
310
300
280
260
230
210
25.1
27.4
297
NJ Semi-Conductors reserves the right to change test conditions, parameters limits and package dimensions without
notice information fomished by NJ Semi-Conductors is believed to be both accurate and reliable at tlje time of going to
press. However NJ Semi-Conductors assumes no responsibility for any errors or omissions discovtod in its use N F
Semi-Conductors encourages customers to verify rhat datasheets are current before placing .trders.
ELECTRICAL CHARACTERISTICS (Tr:
B
25'
TYPE
MIN
, V
F
=1.5V MAX @ lp>2A FOR ALL TYPES
Maximum
Reverse Leakage
Current
Maximum Zener
Impedance
Z
ZT@«ZT
Q
Zaner
Voltage
Teat
Current
MAX
VZ@IZT
NOM
Maximum
DC Zener
Current
'ZT
mA
60
55
55
50
50
50
45
40
37
33
30
28
25
25
23
20
19
18
17
16
14
14
12
IR
MA
5.0
5.0
50
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
50
£
V
R
Volts
32.7
33.0
358
38.0
38.8
39.5
42.6
47.1
51.7
56.0
62.2
69.2
76.0
79.8
83,6
91.2
98.8
106.4
114.0
121.6
135.0
136.8
152.0
Z
ZK
@ >ZK
mA
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
IZM
mA
195
185
175
165
163
160
150
130
120
110
100
85
80
75
72
67
62
58
54
50
46
45
40
Volts
1N2993B
1N2994B
1N2995B
1N2996B
1N2997B
1N2998B
1N2999B
1N3000B
1N3001B
1N3002B
1N3003B
1N3004B
1N30058
1N3006B
1N3007B
1N3008B
1N3009B
1N3010B
1N3011B
1N3012B
1N3013B
1N3014B
1N3015B
40.85
42.75
44.65
47.50
48.45
49.40
53.20
5890
64.60
71.25
77,90
86.00
95.00
99.75
104.50
114.00
123.50
133.00
142.50
152.00
166.25
171.00
190.00
Volts
43
45
47
50
51
52
56
62
68
75
82
91
100
105
110
120
130
140
150
160
175
180
200
Volts
45.15
ii
400
400
400
500
500
500
500
600
600
600
700
800
900
1,000
1.100
1,200
1.300
1.400
1.500
1,600
1,750
1,850
12
13
14
15
15
15
16
17
18
22
25
35
40
45
55
75
100
125
175
200
250
260
300
47.25
49.35
52.50
53.55
54.60
58.80
65.10
71.40
78,75
86.10
95,55
105.00
110.25
115.50
126.00
136.50
147.00
157.50
168.00
183.75
18900
210.00
2,000
OCM CASE- MECHANICAL DRAWING
125(3.18)
.424(10.77)DIA.
All Dimensions in inches(mm)
175(4.45)
10-32 UNF-2A THREAD
_
TORQUE SPEC IS 30 IN-L8 MAX
.1697(4.31)
MAXIMUM
PCB Design
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