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參數資料
| 型號： | SZ3GB20SMTX |
| 廠商： | SOLID STATE DEVICES INC |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | 20 V, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE |
| 封裝： | HERMETIC SEALED, GLASS PACKAGE-2 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 120K |
| 代理商： | SZ3GB20SMTX |
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
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
Axial
SM, SMS
PD
3.0
4.0
W
Operating and Storage
Temp.
Top
&Tstg
-65 to +175
C
Thermal Resistance,
Junction to Lead, Axial, L=3/8
Junction to End Cap, SM, SMS
Junction to Ambient
RθJL
RθJE
RθJA
42
32
50
C/W
Part Number/Ordering Information 7/
SZ3 __
__
└ Screening 6/
__ = Not Screened
TX = TX Level
TXV = TXV
S = S Level (for SM, use –S)
│
└ Package Type 5/
___ = 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)
│
└ Voltage Tolerance
A = 10% Voltage Tolerance
B = 5% Voltage
│
└
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
.130”
.170”
---
.175”
C
.028”
.034”
.028”
.034”
D
1.00”
---
1.00”
---
AXIAL(___)
5/
B
C
A
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 #: Z00004L
DOC
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