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
SZ1.5A220 thru SZ1.5B510
DESIGNER’S DATA SHEET
Part Number/Ordering Information
1/
SZ1.5
__
__
__
__
│
│
│ └
Screening
2/
__ = Not Screened
│
│
│
TX = TX Level
│
│
│
TXV = TXV Level
│
│
│
S = S Level
│
│
│
3/
│
│
└
Package Type
__
= Axial Leaded
│
│
SM = Surface Mount Round Tab
│
│
SMS = Surface Mount Square Tab
│
└
Voltage / Family
│
220 thru 510 = 220V thru 510V
│
(see Table 1)
│
└
Voltage Tolerance
A = 10 %
B = 5%
1.5 WATT
220 – 510 VOLTS
HIGH VOLTAGE
ZENER DIODES
FEATURES:
Hermetically sealed in glass
Axial lead rated at 1.5 W
TX, TXV, and S level screening available
2/
Voltage tolerances of 10% (A) and 5% (B) available;
contact factory for other voltage tolerances
Voltage range from 220V to 510V; for zener voltages
less than 220V, refer to data sheet # Z00008 / SSDI
part numbers SZN4460 thru SZN4496
For higher voltages up to 1200V, consult factory
Maximum Ratings
Nominal Zener Voltage
Maximum Zener Current
Zener Surge Current
(8.3 msec Pulse)
Continuous Power
Operating and Storage Temp.
Thermal Resistance
Junction to Lead, Axial, L=3/8”
Junction to End Cap, SM / SMS
NOTES:
1/ For ordering information, price, and availability- contact factory.
2/ Screening Based on MIL-PRF-19500. Screening Flows Available
on Request.
3/ SSDI standard marking consists of a contrasting color cathode
band and Zxxx where the xxx is the nominal Vz voltage. The full
part number information is included on packaging labels.
4/ All zener voltages are measured with an automated test set
using a 35 msec test time. Longer or shorter test time will have
a corresponding effect on the measured value due to heating
effects.
5/ Zener impedance is derived from the AC voltage divided by the
AC current with RMS value of 10% of DC zener test current
superimposed on the test current.
6/ Izsm values indicated are for a peak sinusoidal surge current of
8.3 msec duration, non-repetitive. The 8.3 msec square pulse
rating is 71% of the value shown.
Symbol
Value
Units
V
Z
I
ZM
I
ZSM
P
D
Top & Tstg
R
θJL
R
θJE
AXIAL
(__)
220 - 510
2.9 – 6.8
40 - 90
1.5
-65 to +175
65
32
ROUND TAB
(SM)
V
mA
mA
W
ºC
ºC/W
SQUARE TAB
(SMS)
NOTE:
All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: Z00017A
DOC
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
SZ1.5A220 thru SZ1.5B510
Table 1
ELECTRICAL SPECIFICATIONS @ 25°C
MAXIMUM RATINGS
Typical
Temperature
Coefficient
TC @ IZT
5%(B)
%/°C
PART
NUMBER
VOLTAGE TOLERANCE
10%
5%
Zener
Maximum
Nominal
Zener
Test
Zener
4/
Current Impedance
5/
Voltage
VZ @ IZT
VOLT
IZT
mA
ZZ @ IZT
Ohms
Maximum Reverse
Leakage Current
IR @ VR
µA
VR
10%(A)
Maximum
Continuous
Current
IZM
mA
Maximum
Surge
Current
6/
Izsm
Amps
SZ1.5A220
SZ1.5A240
SZ1.5A270
SZ1.5A300
SZ1.5A330
SZ1.5A360
SZ1.5A390
SZ1.5A430
SZ1.5A470
SZ1.5A510
SZ1.5B220
SZ1.5B240
SZ1.5B270
SZ1.5B300
SZ1.5B330
SZ1.5B360
SZ1.5B390
SZ1.5B430
SZ1.5B470
SZ1.5B510
220
240
270
300
330
360
390
430
470
510
2
2
2
2
2
2
2
2
2
2
1850
2050
2300
2700
2900
3300
3900
4500
5200
5900
1
1
1
1
1
1
1
1
1
1
152
171
190
210
230
260
290
310
340
370
160
180
200
220
240
270
300
330
360
390
.13
.13
.13
.14
.14
.14
.14
.15
.15
.16
6.8
6.3
5.6
5.0
4.5
4.2
3.8
3.5
3.2
2.9
0.09
0.09
0.08
0.07
0.07
0.06
0.06
0.05
0.05
0.04
CASE OUTLINE: AXIAL
3/
CASE OUTLINE: ROUND TAB (SM)
3/
CASE OUTLINE: SQUARE TAB (SMS)
3/
DIM
A
B
C
D
MIN
---
.130”
1.00”
.028”
MAX
.085”
.175”
---
.034”
DIM
A
B
C
D
MIN
.077”
.130”
.010”
+.000”
MAX
.083”
.146”
.022”
---
DIM
A
B
C
D
MIN
.090”
.175”
.022”
.002”
MAX
.100”
.215”
.028”
---
All dimensions are prior to soldering
NOTE:
All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: Z00017A
DOC
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