NTE5254A NTE ELECTRONICS, NTE5254A Datasheet - Page 3

• Manufacturer Part Number: NTE5254A
• Description: ZENER DIODE, 50W, 12V, DO-5
• Manufacturer: NTE ELECTRONICS

Specifications of NTE5254A

• Zener Voltage Vz Typ: 12V
• Power Dissipation Pd: 50W
• Operating Temperature Range: -65°C To +175°C
• Diode Case Style: DO-5
• No. Of Pins: 2
• Diode Type: Zener
• Vz Test Current, Izt: 1A
• Mounting Type: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics (Cont’d): (T
Note 2. Zener Voltage (V
Note 3.The zener impedance is derived from the 60 cycle A.C. voltage, which results when an AC
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Number
current having an RMS value equal to 10% of the DC zener current (I
posed on I
breakdown curve and to eliminate unstable units.
Zener Voltage
Zener Voltage
Nominal
V
(Note 2)
100.0
105.0
120.0
130.0
140.0
150.0
160.0
175.0
180.0
190.0
200.0
110.0
75.0
82.0
91.0
Volts
z
@ I
ZT
or I
zt
z
ZK
) is measured with junction in thermal equilibrium with 30°C stud temperature.
. Zener impedance is measured at 2 points to insure a sharp knee on the
Current
Zener
Test
Test
170
150
140
120
120
100
(I
mA
110
95
90
85
80
70
68
66
65
zt
)
(36.58)
1.440
Max
100.00
Z
(11.4)
(11.5)
.450
Max
Maximum Dynamic
.453
Max
Ohms
15.00
20.00
25.00
30.00
40.00
50.00
60.00
75.00
80.00
85.00
90.00
95.00
11.00
zt
9.00
C
@ I
= +30°C, unless otherwise specified)
Impedance
(Note 3)
zt
1mA (I
Ohms
Z
150
160
180
200
210
220
240
275
325
400
450
500
525
561
600
zk
@
zk
.150 (3.81) Dia Max
)
.667 (16.9) Dia Max
.375 (9.55) Max
.200 (5.08) Max
1/4−28 UNF−2A
(17.4)
.687
Max
Maximum
DC Zener
DC Zener
Current
(I
mA
540
490
420
400
380
365
335
310
290
270
250
230
220
210
200
zm
)
Temperature
Temperature
Coefficient
Typical
%/°C
α
0.090
0.090
0.090
0.090
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.098
0.100
vz
ZT
or I
ZK
) is superim-
µA
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
Maximum
I
Leakage
Leakage
Current
R
@ V
114.0
114.0
121.6
121.6
136.8
144.4
152.0
Volts
56.0
62.2
69.2
76.0
83.0
83.0
91.2
99.8
R