DIGITRON SEMICONDUCTORS
1N2970-1N3015B AND 1N3993 THRU 1N4000A
1N2991B
1N2992B
1N2993B
1N2994B
1N2995B
1N2996B
1N2997B
1N2998B
1N3099B
1N3000B
1N3001B
1N3002B
1N3003B
1N3004B
1N3005B
1N3006B
1N3007B
1N3008B
1N3009B
1N3010B
1N3011B
1N3012B
1N3013B
1N3014B
1N3015B
36
39
43
45
47
50
51
52
56
62
68
75
82
91
100
105
110
120
130
140
150
160
175
180
200
70
65
60
55
55
50
50
50
45
40
37
33
30
28
25
25
23
20
19
18
17
16
14
14
12
10
11
12
13
14
15
15
15
16
17
18
22
25
35
40
45
55
75
100
125
175
200
250
260
300
300
300
400
400
400
500
500
500
500
600
600
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1750
1850
2000
230
210
195
185
175
165
160
160
150
130
120
110
100
85
80
75
72
67
62
58
54
50
46
45
40
10 WATT ZENER DIODES
.085
.090
.090
.090
.090
.090
.090
.090
.090
.090
.090
.090
.090
.090
.090
.095
.095
.095
.095
.095
.095
.095
.095
.095
.100
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
27.4
29.7
32.7
33.0
35.8
36.0
38.8
39.0
42.6
47.1
51.7
56.0
62.2
69.2
76.0
76.0
83.6
91.2
98.8
100.0
114.0
121.6
135.0
136.8
152.0
Standard
polarity
anode to
stud
Note 1: 1N3993-1N4000 series: suffix A indicates +/-5% tolerance, no suffix indicates +/-10% tolerance.
1N2970-1N3015 series: suffix B indicates +/-5% tolerance, suffix A indicates +/-10% no suffix indicates +/-20% tolerance.
Note 2: The electrical characteristics are measured after allowing the device to stabilize for 90 seconds with 30°C base temperature
Note 3: The Zener impedance (Z
ZT
) is derived from the 60 Hz ac voltage, which results when an ac current having an rms value equal to 10% of the dc
zener current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK.
When making Zener impedance measurements at the I
ZK
test point, it may be necessary to insert a
60 Hz band pass filter between the diode and the voltmeter to avoid errors resulting from low level noise signals.
Note 4: These values of I
ZM
may be exceeded in the case of the individual diodes. The values shown are calculated for the worst case that is a unit of +/-
5% tolerance at the high voltage end of its tolerance range. Allowance has also been made for the rise in Zener voltage above V
ZT,
which results from
Zener impedance and the increase in junction temperature as power dissipation approaches 10 watts.
MECHANICAL CHARACTERISTICS
Case
Polarity
DO-4, 7/16” hex, stud with 10-32 threads, welded, hermetically sealed metal with glass
1N3993-1N4000 : standard polarity is cathode to stud. Reverse polarity (anode to stud) indicated by suffix “R”.
1N2970-1N3015: Standard polarity is anode to stud. Reverse polarity indicated by suffix “R”.
Available Non-RoHS (standard) or RoHS compliant (add PBF suffix).
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20120730
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