BZX84C18 Fairchild Semiconductor, BZX84C18 Datasheet - Page 3

• Manufacturer Part Number: BZX84C18
• Description: DIODE ZENER 18V 350MW SOT-23
• Manufacturer: Fairchild Semiconductor

Specifications of BZX84C18

• Voltage - Zener (nom) (vz): 18V
• Voltage - Forward (vf) (max) @ If: 900mV @ 10mA
• Current - Reverse Leakage @ Vr: 50nA @ 12.6V
• Tolerance: ±5%
• Power - Max: 350mW
• Impedance (max) (zzt): 45 Ohm
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
• Operating Temperature: -55°C ~ 150°C
• Zener Voltage: 17.95 V
• Voltage Tolerance: 5 %
• Voltage Temperature Coefficient: 14.2 mV / K
• Zener Current: 5 mA
• Power Dissipation: 350 mW
• Maximum Reverse Leakage Current: 0.05 uA
• Maximum Zener Impedance: 45 Ohms
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Characteristics
12 Zener Voltage vs. Zener Temperature
15
10
35
30
25
20
15
10
5
4
3
2
1
5
0
5
1
3.3 Zener Voltage vs. Temperature
1
1
Zener Current vs. Zener Voltage
T = -25 C
V = 12.0V
A
Z
V = 12.0V
V = 5.1V
Z
Z
V = 33.0V
º
Z
2
2
2
I - ZENER CURRENT (mA)
I - ZENER CURRENT (mA)
I - ZENER CURRENT (mA)
T = 25 C
Z
Z
Z
A
º
V = 3.3V
Z
5
5
5
T = -25 C
T = 25 C
T = 85 C
A
A
A
º
º
º
10
10
10
T = 125 C
T = 100 C
T = 125 C
A
T = 85 C
A
A
A
T = 100 C
A
T = 25 C
A
º
º
V = 3.3V
º
º
20
Z
20
20
º
º
30
30
30
33 Zener Voltage vs. Zener Temperature
5.1 Zener Voltage vs. Temperature
Zeners (BZX84C 3V3 - BZX84C 33)
40
35
30
25
20
5000
2000
1000
5.5
4.5
500
200
100
Zener Current vs. Zener Impedence
6
5
4
50
20
10
1
5
2
1
1
T = -25 C
V = 33.0V
0.1
T = 100 C
A
T = -25 C
V = 5.1V
Z
A
A
V = 12.0V
Z
V = 3.3V
Z
Z
º
0.2
º
º
2
V = 5.1V
2
T = 25 C
Z
I - ZENER CURRENT (mA)
A
I - ZENER CURRENT (mA)
Z
I - ZENER CURRENT (mA)
Z
Z
V = 33.0V
0.5
Z
T = 100 C
T = 25 C
º
A
A
º
5
1
º
5
2
10
10
T = 125 C
T = 85 C
T = 125 C
A
A
T = 85 C
A
A
5
º
º
BZX84 Series Rev. C
T = 25 C
º
º
20
A
(continued)
20
10
º
30
30
20