Solid State Devices, Inc.
14701 Firestone Blvd * La Mira da, 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 VZ 7.5 - 510 V
Maximum Zener Current IZM 400 - 6 mA
Forward Surge Current
(8.3 msec Pulse) IFSM 8-0.04 A
Continuous
Power
L
SM, SMS PD 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
RθJL
RθJE
RθJA
42
32
50 ºC/W
Part Number/Ordering Information 7/
SZ3
__
__
__
__
__
└
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
│
│
│
│
│
│
│
│
│
│
└ Voltage/Family
7.5 thru 510 = 7.5V thru 510V
(See Table 1)
│
│
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│
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│
│
│
│
│
│
│
│
└ Voltage Tolerance
A = 10% Voltage Tolerance
B = 5% Voltage
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│
│
│
│
│
│
│
│
│
│
│
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└
Device Shape
G = Glass Sleeve (Cylindrical Shape)
F = Frit Glass (Prolate Spheroid 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) FRIT GLASS (F)
DIM MIN. MAX. MIN. MAX.
A --- .085” --- .145”
B --- .170” --- .175”
C .028” .034” .028” .034”
D 1.00” --- 1.00” ---
AXIAL(L) 5/
B
C
ØA
GLASS SLEEVE (G)
DIM MIN MAX
A .077” .083”
B .130” .146”
C .010” .022”
ROUND TAB (SM) 5/
All dimensions are prior to soldering
GLASS SLEEVE
(G)
FRIT GLASS
(F)
DIM MIN. MAX. MIN. MAX.
A .090” .100” .145” .155”
B .175” .215” .200” .220”
C .022” .028” .022” .028”
D .002” --- .002” ---
SQUARE TAB (SMS) 5/
All dimensions are prior to soldering
DATA SHEET #: Z00004F DOC