1N2970-1N3015B,
1N3993-1N4000A
10 WATT ZENER DIODES
High-reliability discrete products
and engineering services since 1977
FEATURES
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
MAXIMUM RATINGS
Parameter
Value
Junction temperature
Storage temperature
DC power dissipation
Power derating
-65°C to +175°C
-65°C to +200°C
10 watts
80 mW/°C above 50°C
@ 2.0 A: 1.5 volts
Forward voltage
Thermal resistance
Solder temperature
10°C/W (typical) junction to case (stud)
260°C for 10 s (max)
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Nominal
zener
voltage
VZ @ IZT
(note 2)
Max DC
zener
current (IZM
@ 75°C stud
temp
Typical
temp.
coefficient
Part
number
Max. dynamic impedance
Zener test
current
Max. reverse
current
)
(note 3)
(note 1)
(IZT)
IR @ VR
Polarity
αVZ
(note 4)
ZZK @ 1mA
ZZT @ IZT
Volts
mA
(IZK)
mA
%/°C
µA
Volts
ohms
ohms
1N3993A
1N3994A
1N3995A
1N3996A
1N3997A
1N3998A
1N3999A
1N4000A
1N2970B
1N2971B
1N2972B
1N2973B
1N2974B
1N2975B
1N2976B
1N2977B
1N2978B
1N2979B
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
6.8
7.5
8.2
9.1
10
640
580
530
490
445
405
370
335
370
335
305
275
250
230
210
190
180
170
2.0
1.5
1.2
1.1
1.0
1.1
1.2
1.3
1.2
1.3
1.5
2.0
3
400
2380
2130
1940
1780
1620
1460
1330
1210
1320
1180
1040
960
-.046
-.033
-.015
+/-.010
+.030
+.049
+.040
+.045
.040
100
100
50
0.5
0.5
1.0
1.0
1.0
2.0
2.0
3.0
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
10.5
11.4
400
500
550
600
750
500
250
500
250
250
250
250
250
250
250
250
250
Standard
polarity
cathode to
stud
10
10
10
10
10
150
100
50
.045
.048
.051
25
Standard
polarity
anode to
stud
860
.055
25
11
3
780
.060
10
12
3
720
.065
10
13
3
660
.065
10
14
3
600
.070
10
15
3
560
.070
10
Rev. 20150317