NTE4900
Surge Clamping, Overvoltage Transient Suppressor,
Unidirectional
Description:
The NTE4900 is a zener overvoltage transient suppressor in an axial lead type package designed
to protect voltage sensitive components from high voltage, high energy transients. This device has
excellent clamping capability, high surge capability, low zener impedance, and fast response time
making the NTE4900 ideal for use in communication systems, numerical controls, process controls,
medical equipment, business machines, power supplies and many other industrial/consumer ap-
plications, to protect CMOS, MOS and Bipolar integrated circuits.
Features:
D
Peak Power: 1500W @ 1.0ms
D
Maximum Clamp Voltage @ Peak Pulse Current
D
Low Leakage: < 5.0碌A(chǔ) Above 10V
Absolute Maximum Ratings:
Peak Power Dissipation (Non鈥揜epetitive Current Pulse, T
L
鈮?/div>
+25擄C), P
PK
. . . . . . . . . . . . . . 1500W
Steady State Power Dissipation (T
L
鈮?/div>
+75擄C, Lead length = 3/8鈥?, P
D
. . . . . . . . . . . . . . . . . . . . . 5W
Derate Above T
L
= +75擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mW/擄C
Forward Curent Current (T
A
= +25擄C, Note 1), I
FSM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200A
Operating Junction Temperature Range, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +175擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +175擄C
Lead Temperature (During Soldering, 1/16鈥?from case, 10sec), T
L
. . . . . . . . . . . . . . . . . . . . . +230擄C
Note 1. 1/2 Square Wave (or equivalent), PW = 8.3ms, Duty Cycle = 4 Pulses per minute maximum.
Electrical Characteristics:
(T
A
= +25擄C, V
F
= 3.5V Max, I
F
(Note 1) = 100A unless otherwise
specified)
Parameter
Breakdown Voltage
Reverse Stand鈥揙ff Voltage
Reverse Leakage Current
Reverse Voltage (Clamping Voltage
Clamping Voltage
Symbol
V
BR
V
RWM
I
R
V
RSM
V
C
Note 2
V
RWM
= 5V
I
RSM
= 120A
I
PP
= 30A
I
PP
= 60A
Test Conditions
I
T
= 1mA
Min
6
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Max
鈥?/div>
5
300
8.5
7.6
8.0
Unit
V
V
碌A(chǔ)
V
V
V
Note 1. 1/2 Square Wave (or equivalent), PW = 8.3ms, Duty Cycle = 4 Pulses per minute maximum.
Note 2. A Transient Suppressor is normally selected according to the maximum reverse stand鈥搊ff
voltage (V
RWM
), which should be equal to or greater than the DC or continuous peak operat-
ing voltage level.
NTE4900 產(chǎn)品屬性
NTE
置換半導(dǎo)體
詳細(xì)信息
1
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