Silicon Planar Zener Diodes
• Total power dissipation: Max. 500mW.
• Wide zener reverse voltage range 2.4V to 51V.
• Small plastic package suitable for surface mounted design.
•
MECHANICAL DATA
▪Case: SOD-123W
▪Terminals: Solderable per MIL-STD-750, Method 2026
▪ Approx. Weight:16mg/0.00056oz
FEATURES
Tolerance approximately±5%
PINNING
PIN
1
2
DESCRIPTION
Cathode
Anode
Absolute Maximum Ratings And Characteristics Ta = 25（ °C）
Parameter
Power Dissipation
Operating and Storage Temperature Range
Symbol
Value
Unit
P
tot
500
mW
°C
-55 ~ +150
T , T
j
stg
Forward Voltage at IF = 10 mA
V
F
0.9
V
Typical thermal resistance juncting to ambient
R
θJA
°C/W
340
(1)
Fig.1 Maximum Continuous Power Derating
0.1
0.2
0.3
0.4
0.5
0.6
0.0
25 50
75
100 125 150 175
Power Dissipation (W)
T °C)
A
, Temperature (
(1) .0" X 2.0" (5 X 5 cm)Thermal resistance from junction to ambient at P.C.B. mounted with 2 copper areas pads.
0.01
100
10
100
1000
Fig.2 Typical Transient Thermal Impedance
Transient Thermal Impedance（ /W）°C
t, Pulse Duration（sec）
0.1 1 10
2000
Simplified outline SOD-123W and symbol
1
2
BZT52C2V4 THRU BZT52C51
1
www.slkormicro.com
Characteristics at Ta = 25°C
（1）
VZT is tested with pulses (20 ms)
Type Marking
Zener Voltage Range
（1）
V
ZT
（at I ）
ZT
I
ZT
Dynamic
Impedance
Reverse Current
Z
ZT
（at I ���
ZT
I
R
at V
R
Max (Ω)
Max（μA）
（V）Nom（V）Min（V） Max（V）
(mA)
3.3
3.6
3.9
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
4.3
24
2.4
2.7
3.0
2.28
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28
31
34
37
40
44
48
2.56
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32
35
38
41
46
50
54
30
27
43
47
51
33
36
39
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2.5
2.5
2.5
2.5
100
110
120
130
130
130
130
130
130
80
50
30
30
30
30
30
30
35
35
40
40
45
50
55
60
70
80
80
90
100
130
150
180
120
120
50
20
10
5
5
2
2
1
1
0.5
0.5
0.5
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
2
2
2
1
1
1
1
1
1
1
1
1
1.5
2.5
3
3.5
4
5
6
7
8
9
10
11
12
13
15
17
19
21
23
25
27
30
33
36
39
BZT52C2V4
BZT52C2V7
BZT52C3V0
BZT52C3V3
BZT52C3V6
BZT52C3V9
BZT52C4V3
BZT52C4V7
BZT52C5V1
BZT52C5V6
BZT52C6V2
BZT52C6V8
BZT52C7V5
BZT52C8V2
BZT52C9V1
BZT52C10
BZT52C11
BZT52C12
BZT52C13
BZT52C15
BZT52C16
BZT52C18
BZT52C20
BZT52C22
BZT52C24
BZT52C27
BZT52C30
BZT52C33
BZT52C36
BZT52C39
BZT52C43
BZT52C47
BZT52C51
WX
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
WG
WH
WI
WJ
WK
WL
WM
WN
WO
WP
WR
WS
WT
WU
WV
WW
WQ
BZT52C2V4 THRU BZT52C51
2
www.slkormicro.com