NTE NTE5248AK, NTE5254A, NTE5240AK, NTE5241AK, NTE5249A Datasheet

NTE5240A thru NTE5296A

50 Watt Zener Diodes

±5% Tolerance

Features:

D Zener Voltage 3.9 to 200V
D Low Zener Impedance
D Highly Reliable and Rugged
D Also Available in Reverse Polarity (NTE5240AK thru NTE5296AK)

Maximum Ratings:

Operating Junction Temperature Range, T

opr

–65° to +175°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage Temperature Range, T

stg

–65° to +175°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Power Dissipation, P

D

50W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Derate Above 75°C 0.5W/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Forward Voltage (I

F

= 10A), V

F

1.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note 1. Suffix “A” denotes anode to case polarity, “AK” denotes cathode to case.

Electrical Characteristics:

(TC = +30°C, unless otherwise specified)

Nominal Zener

Maximum Dynamic

Impedance

(Note 3)

Maximum Typical Maximum

NTE Type

Number

Zener Voltage

V

z

@ I

zt

(Note 2)

Test

Current

(I

zt

)

Zzt @ I

zt

Zzk @

1mA (I

zk

)

DC Zener

Current

(I

zm

)

Temperature

Coefficient

α

vz

Leakage

Current

I

R

@ V

R

Volts mA Ohms Ohms mA %/°C µA Volts

NTE5240A 3.9 3200 0.16 400 11900 –0.046 150 0.5
NTE5241A 4.3 2900 0.16 500 10650 –0.033 150 0.5
NTE5242A 4.7 2650 0.12 600 9700 –0.015 100 1.0
NTE5243A 5.1 2450 0.12 650 8900 ±0.010 20 1.0
NTE5244A 5.6 2250 0.12 900 8100 +0.030 29 1.0
NTE5245A 6.0 2125 0.13 950 7700 +0.040 20 1.5
NTE5246A 6.2 2000 0.14 1000 7300 +0.049 20 2.0
NTE5247A 6.8 1850 0.20 70 6600 0.040 300 4.5
NTE5248A 7.5 1700 0.30 70 5900 0.045 125 5.0
NTE5249A 8.2 1500 0.40 70 5200 0.048 50 5.4