
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773
ssdi@ssdi-power.com *
www.ssdi-power.com
DESIGNER’S DATA SHEET
FEATURES:
Hermetically Sealed in Glass
Axial Lead rated at 3 W
Surface Mount rated at 4W
Available Screening to TX, TXV, and Space Levels
6/
Voltage Tolerances of 10% (A) and 5% (B) Available.
Contact factory for other Voltage Tolerances
Voltage Range from 7.5V to 510V. For Other Voltages,
Contact Factory.
NOTE:
All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
Maximum Ratings
Symbol
Value
Units
Nominal Zener Voltage
Maximum Zener Current
Forward Surge Current
(8.3 msec Pulse)
V
Z
I
ZM
7.5 - 510
400 - 6
V
mA
I
FSM
8-0.04
A
Continuous
Power
L
SM, SMS
P
D
3.0
4.0
W
Operating and Storage
Temp.
Top
&Tstg
-65 to +175
oC
Thermal Resistance,
Junction to Lead, Axial, L=3/8
Junction to End Cap, SM, SMS
Junction to Ambient
Part Number/Ordering Information
7/
SZ3
__
__
__
__
│
│
│
│
│
└
│
│
│
│
│
└
Voltage/Family
7.5
thru
510
= 7.5V thru 510V
(See Table 1)
└
Voltage Tolerance
A
= 10% Voltage Tolerance
B
= 5% Voltage
│
└
G
= Glass Sleeve (Cylindrical Shape)
F
= Frit Glass (Prolate Spheroid Shape)
R
θ
JL
R
θ
JE
R
θ
JA
42
32
50
oC/W
__
└
Screening
6/
__
= Not Screened
TX = TX Level
TXV = TXV
S = S Level
Package Type
5/
L
= Axial Leaded
SM
= Surface Mount Round Tab
SMS
= Surface Mount Square Tab
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
Device Shape
SZ3GA7.5 thru SZ3GB510
and
SZ3FA7.5 thru SZ3FB510
3.0 W and 4.0 W
7.5 – 510 VOLTS
ZENER DIODES
GLASS SLEEVE (G)
MIN.
---
---
.028”
1.00”
FRIT GLASS (F)
MIN.
---
---
.028”
1.00”
DIM
A
B
C
D
MAX.
.085”
.170”
.034”
---
MAX.
.145”
.175”
.034”
---
AXIAL(L)
5/
B
C
A
GLASS SLEEVE (G)
DIM
A
B
C
MIN
.077”
.130”
.010”
MAX
.083”
.146”
.022”
ROUND TAB (SM)
5/
All dimensions are prior to soldering
GLASS SLEEVE
(G)
MIN.
.090”
.175”
.022”
.002”
FRIT GLASS
(F)
MIN.
.145”
.200”
.022”
.002”
DIM
A
B
C
D
MAX.
.100”
.215”
.028”
---
MAX.
.155”
.220”
.028”
---
SQUARE TAB (SMS)
5/
All dimensions are prior to soldering
DATA SHEET #: Z00004F
DOC