1N5333BG ON Semiconductor, 1N5333BG Datasheet - Page 6

• Manufacturer Part Number: 1N5333BG
• Description: DIODE ZENER 3.3V 5W AXIAL
• Manufacturer: ON Semiconductor
• Series: Surmetic™r
• Type: Voltage Regulatorr

Specifications of 1N5333BG

• Voltage - Zener (nom) (vz): 3.3V
• Voltage - Forward (vf) (max) @ If: 1.2V @ 1A
• Current - Reverse Leakage @ Vr: 300µA @ 1V
• Tolerance: ±5%
• Power - Max: 5W
• Impedance (max) (zzt): 3 Ohm
• Mounting Type: Through Hole
• Package / Case: Axial
• Operating Temperature: -65°C ~ 200°C
• Number Of Elements: Single
• Package Type: Case 017AA-01
• Zener Voltage (typ): 3.3V
• Zener Test Current: 380mA
• Voltage Tolerance: 5%
• Power Dissipation: 5000mW
• Knee Impedance: 3Ohm
• Operating Temperature Classification: Military
• Rev Curr: 300uA
• Mounting: Through Hole
• Pin Count: 2
• Operating Temp Range: -65C to 200C
• Zener Voltage: 3.3 V
• Zener Current: 1440 mA
• Maximum Reverse Leakage Current: 300 uA
• Maximum Zener Impedance: 3 Ohms
• Maximum Operating Temperature: + 200 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 65 C
• Voltage Regulation Accuracy: 850 mV
• Current, Forward: 1 A
• Current, Reverse: 380 mA
• Current, Surge: 20 A
• Primary Type: Zener
• Temperature, Junction, Maximum: +200 °C
• Temperature, Operating: -65 to +200 °C
• Voltage, Forward: 1.2 V
• Voltage, Reverse: 3.3 V
• Zener Voltage Vz Typ: 3.3V
• Power Dissipation Pd: 5W
• Operating Temperature Range: -65°C To +200°C
• Diode Case Style: 017AA
• No. Of Pins: 2
• Breakdown Voltage: 3.3V
• Diode Type: Zener
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1N5333BG; 1N5333BGOS

diode is temperature dependent, it is necessary to determine
junction temperature under any set of operating conditions
in order to calculate its value. The following procedure is
recommended:
q
power dissipation.
DT
temperature and may be found from Figure 4 for a train of
power pulses or from Figure 1 for dc power.
LA
Since the actual voltage available from a given Zener
Lead Temperature, T
Junction Temperature, T
JL
is the lead‐to‐ambient thermal resistance and P
is the increase in junction temperature above the lead
T
T
L
DT
L
J
= q
, should be determined from:
= T
JL
J
LA
, may be found from:
= q
L
P
+ DT
JL
D
+ T
100
P
0.1
10
JL
D
1
80
A
Figure 9. Zener Voltage versus Zener Current
100
APPLICATION NOTE
120
D
1N5333B Series
http://onsemi.com
V
is the
Z
V
= 82 thru 200 Volts
Z
, ZENER VOLTAGE (VOLTS)
140
6
of P
Changes in voltage, V
q
from Figures 2 and 3.
vary with time and may also be affected significantly by the
zener resistance. For best regulation, keep current
excursions as low as possible.
capability. Surge limitations are given in Figure 5. They are
lower than would be expected by considering only junction
temperature, as current crowding effects cause temperatures
to be extremely high in small spots resulting in device
degradation should the limits of Figure 5 be exceeded.
160
VZ
For worst‐case design, using expected limits of I
Under high power‐pulse operation, the Zener voltage will
Data of Figure 4 should not be used to compute surge
, the Zener voltage temperature coefficient, is found
D
and the extremes of T
180
200
Z
DV = q
, can then be found from:
220
VZ
J
DT
(DT
J
J
) may be estimated.
Z
, limits