TSC BZX84C18

BZX84C2V4 THRU BZX84C51
Surface Mount Zener Diode
Voltage Range
2.4 to 51 Volts
350m Watts Power Dissipation
SOT-23
Features
0.020(0.51)
0.015(0.37)
Planar die construction
350 mW power dissipation
Zener voltages from 2.4V – 51V
Ideally suited for automated assembly
processes
0.055(1.40)
0.047(1.19)
0.080(2.05)
0.070(1.78)
0.024(0.61)
0.018(0.45)
Mechanical Data
Case: Sot-23, Molding plastic
Terminals: Solderable per MIIL-STD-202,
Method 208
Polarity: See diagram
Marking: Marking Code (See table on Page 2)
Weight: 0.008 grams (approx.)
0.098(2.50)
0.083(2.10)
0.041(1.05)
0.047(0.89)
0.120(3.05)
0.104(2.65)
0.043(1.10)
0.035(0.89)
0.006(0.15)
0.001(0.013)
0.024(0.61)
0.018(0.45)
0.007(0.178)
0.003(0.076)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Forward Voltage
@ IF = 10mA
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air
(Note 1)
Operating and Storage Temperature Range
Symbol
VF
Pd
Value
0.9
350
Units
V
mW
RθJA
357
K /W
TJ, TSTG
-65 to + 150
Notes: 1. Valid Provided that Device Terminals are Kept at Ambient Temperature.
2. Tested with Pulses. Period = 5ms, Pulse Width = 300us.
3. f = 1KHz.
- 796 -
.
O
C
RATINGS AND CHARACTERISTIC CURVES (BZX84C2V4 THRU BZX84C51)
FIG.1- POWER DERATING CURVE
FIG.2- ZENER BREAKDOWN CHARACTERISTICS
50
O
Tj = 25 C
C2V7
See Note 1
300
200
100
0
100
0
30
20
Test Current IZ
5.0mA
10
0
1
2
Tj = 25 C
3
4
5
6
7
8
9 10
VZ, ZENER VOLTAGE (V)
FIG.3- ZENER BREAKDOWN CHARACTERISTICS
O
C6V8
C4V7
C8V2
0
200
C5V6
40
TA, AMBIENT TEMPERATURE, (OC)
30
C3V9
C3V3
400
IZ, ZENER CURRENT (mA)
Pd, POWER DISSIPATION (mW)
500
FIG.4- ZENER BREAKDOWN CHARACTERISTICS
10
C10
O
Tj = 25 C
C39
C47
C43
C51
IZ, ZENER CURRENT (mA)
IZ, ZENER CURRENT (mA)
C12
C15
20
C18
Test Current IZ
2mA
C22
10
0
C27
Test Current IZ
5mA
0
C33
10
20
C36
30
8
6
4
Test Current IZ
2mA
2
0
40
VZ, ZENER VOLTAGE (V)
VZ, ZENER VOLTAGE (V)
Cj, JUNCTION CAPACITANCE (pF)
FIG.5- JUNCTION CAPACITANCE VS NOMINAL ZENER VOLTAGE
1000
O
Tj = 25 C
VR = 1V
VR = 2V
100
VR = 1V
VR = 2V
0
0
10
0 10 20 30 40 50 60 70 80 90 100
100
VZ, NOMINAL ZENER VOLTAGE (V)
- 797 -
ELECTRICAL CHARACTERISTICS (TA=25OC
Zener Voltage Range (Note 2)
Vz @ Izt
IZT
unless otherwise noted)
Device
(Note 1)
mA
Ohms
Ohms
mA
BZX84C2V4
Z11
2.4
2.2
2.6
5.0
100
600
1.0
50
1.0
-3.5
0
BZX84C2V7
Z12
2.7
2.5
2.9
5.0
100
600
1.0
20
1.0
-3.5
0
BZX84C3V0
Z13
3.0
2.8
3.2
5.0
95
600
1.0
10
1.0
-3.5
0
BZX84C3V3
Z14
3.3
3.1
3.5
5.0
95
600
1.0
5.0
1.0
-3.5
0
BZX84C3V6
Z15
3.6
3.4
3.8
5.0
90
600
1.0
5.0
1.0
-3.5
0
BZX84C3V9
Z16
3.9
3.7
4.1
5.0
90
600
1.0
3.0
1.0
-3.5
0
BZX84C4V3
Z17
4.3
4.0
4.6
5.0
90
600
1.0
3.0
1.0
-3.5
0.0
BZX84C4V7
Z1
4.7
4.4
5.0
5.0
80
500
1.0
3.0
2.0
-3.5
0.2
BZX84C5V1
Z2
5.1
4.8
5.4
5.0
60
480
1.0
2.0
2.0
-2.7
1.2
BZX84C5V6
Z3
5.6
5.2
6.0
5.0
40
400
1.0
1.0
2.0
-2.0
2.5
BZX84C6V2
Z4
6.2
5.8
6.6
5.0
10
150
1.0
3.0
4.0
0.4
3.7
BZX84C6V8
Z5
6.8
6.4
7.2
5.0
15
80
1.0
2.0
4.0
1.2
4.5
BZX84C7V5
Z6
7.5
7.0
7.9
5.0
15
80
1.0
1.0
5.0
2.5
5.3
BZX84C8V2
Z7
8.2
7.7
8.7
5.0
15
80
1.0
0.7
5.0
3.2
6.1
BZX84C9V1
Z8
9.1
8.5
9.6
5.0
15
100
1.0
0.5
6.0
3.8
7.0
BZX84C10
Z9
10
9.4
10.6
5.0
20
150
1.0
0.2
7.0
4.5
8.0
BZX84C11
Y1
11
10.4
11.6
5.0
20
150
1.0
0.1
8.0
5.4
9.0
BZX84C12
Y2
12
11.4
12.7
5.0
25
150
1.0
0.1
8.0
6.0
10.0
BZX84C13
Y3
13
12.4
14.1
5.0
30
170
1.0
0.1
8.0
7.0
11.0
BZX84C15
Y4
15
13.8
15.6
5.0
30
200
1.0
0.1
10.5
9.2
13.0
BZX84C16
Y5
16
15.3
17.1
5.0
40
200
1.0
0.1
11.2
10.4
14.0
BZX84C18
Y6
18
16.8
19.1
5.0
45
225
1.0
0.1
12.6
12.4
16.0
BZX84C20
Y7
20
18.8
21.2
5.0
55
225
1.0
0.1
14.0
14.4
18.0
BZX84C22
Y8
22
20.8
23.3
5.0
55
250
1.0
0.1
15.4
16.4
20.0
BZX84C24
Y9
24
22.8
25.6
5.0
70
250
1.0
0.1
16.8
18.4
22.0
BZX84C27
Y10
27
25.1
28.9
2.0
80
300
0.5
0.1
18.9
21.4
25.3
BZX84C30
Y11
30
28
32
2.0
80
300
0.5
0.1
21.0
24.4
29.4
BZX84C33
Y12
33
31
35
2.0
80
325
0.5
0.1
23.1
27.4
33.4
BZX84C36
Y13
36
34
38
2.0
90
350
0.5
0.1
25.2
30.4
37.4
BZX84C39
Y14
39
37
41
2.0
130
350
0.5
0.1
27.3
33.4
41.2
BZX84C43
Y15
43
40
46
2.0
150
375
0.5
0.1
30.1
10.0
12.0
BZX84C47
Y16
47
44
50
2.0
170
375
0.5
0.1
32.9
10.0
12.0
BZX84C51
Y17
51
48
54
2.0
180
400
0.5
0.1
35.7
10.0
12.0
Nom (V) Min (V) Max (V)
Maximum Zener
Impedance (Note 3)
ZZK @ IZK
ZZT @ IZT
Notes: 1. Valid provided that device terminals are kept at ambient temperature.
2. Tested with pulses, 300us pulse width, period = 5ms.
3. f = 1KHz.
- 798 -
Maximum Reverse
Current
IR
VR
uA
V
Typical Temerature
Coefficient
@ IZT
mV / OC
Min
Max
Device
Marking
Code