MSV
SZA33A
Silicon Planar Zener Diodes
PINNING
PIN
FEATURES
• Total power dissipation: Max. 1 W.
• Wide zener reverse voltag e 33 V .
• Small plastic package suitable for surface mounted design.
MECHANICAL DATA
• Case:SMAF
• Terminals: Solderable per MIL-STD-750, Method 2026
• A pprox. Weight: 27mg 0.00095oz
DESCRIPTION
1
Cathode
2
Anode
1
2
Simplified outline SMAF and symbol
Absolute Maximum Ratings And Characteristics (Ta = 25 °C)
Symbol
Value
Unit
Power Dissipation at T c =75°C
PD
1
W
Forward Voltage at I F = 200 mA
VF
1.2
V
Junction Temperature Range
TJ
- 55 to + 150
°C
Storage Temperature Range
TS
- 55 to + 150
°C
Parameter
Fig.1 Maximum Continuous Power Derating
1.2
Power Dissipation ( W )
1.0
0.8
0.6
0.4
0.2
0.0
25
50
75
100
125
150
175
T c ,Case Temperature (°C)
Characteristics at Ta = 25°C
Dynamic
Impedance
Zener Voltage Range (1)
Type
SZA33A
Marking
Z33
V ZT(at I ZT)
Reverse Current
I ZT
Z ZT(at I ZT)
IR
at V R
Admissible
Zener Current
Min(V)
Nom(V)
Max(V)
(mA)
Max (Ω)
Max(μA)
(V)
I ZM (mA)
31.3
33
34.9
7.5
45
5
25
28
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Page 1 of 2
MSV
SZA33A
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SMAF
∠ALL ROUND
C
A
∠ALL ROUND
HE
g
Top View
C
D
E
e
g
HE
max
1.2
0.20
3.7
2.7
1.6
1.2
4.9
min
0.9
0.12
3.3
2.4
1.3
0.8
4.4
max
47
7.9
146
106
63
47
193
min
35
4.7
130
94
51
31
173
∠
7°
The recommended mounting pad size
1.6
(63)
2.2
(86)
1.6
(63)
1.8
(71)
mil
Bottom View
A
UNIT
mm
g
pad
e
E
A
pad
D
E
A
V M
mm
Unit :
(mil)
www.mswdz.com
Page 2 of 2
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