Solid State Devices, Inc.
14830 Valley View Blvd * La Mirada, Ca 90638
Phone: (562) 404 -7855 * 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 to TX, TXV, and Space Levels
Note:
SSDI’s Zeners offer standard Voltage
Tolerance of ±10%(A) and ±5%(B).
For other Voltages and Voltage
Tolerances, contact SSDI’s Marketing
Department.
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 Voltage IZM 400 - 6 mA
Forward Surge Current
(8.3 msec Puls) IFSM 8-0.04 A
Continuous Power
SM, SMS PD 3.0
4.0 W
Operating and Storage Temp. Top
&Tstg -65 to
+175 ºC
Thermal Resistance,
Junction to Lead
L=3/8” (SZ3A7.5L thru SZ3A510L) ΡΡèJL 42 ºC/W
Thermal Resistance,
Junction to End Cap
(SZ3A7.5SM thru SZ3A510SM) RèJE 32 ºC/W
Thermal Resistance,
Junction to Ambient RèJA 50 ºC/W
SZ3A7.5 thru SZ3A510
3.0 W and 4.W
7.5 – 510 VOLTS
ZENER DIODES
CBC
ØA
ØD
DIM MIN. MAX
A --- .085”
B --- .170”
C 1.0” ---
D .028” .034”
AXIAL(L)
B
C
ØA
DIM MIN MAX
A .077” .083”
B .130” .146”
C .010” .022”
ROUND TAB (SM) All dimensions are prior to soldering
C
B
A
A
D
DIM MIN. MAX.
A .090” .100”
B .175” .215”
C .022” .028”
D Body to Tab Clearance: .002”
SQUARE TAB (SMS)
All dimensions are prior to soldering
DATA SHEET #: Z00004D DOC
NOTES:
† Suffix “L” for axial lead, “SM” for surface mount Round Tab. “SMS” for Square Tab.
1) 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.
2) 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.
3) Ratings based on maximum zener voltage of individual units (leaded units). Multiply by 1.3 for SM and SMS devices.
4) Figures shown are for a peak sinusoldal surge current of 8.3 msec duration, non-repetitive. The 8.3 msec square pluse rating is 71% of the value shown.
5) SSDI standard marking consists of a contrasting color cathode dot or band. Part number information is included on packaging labels.
For optional high reliability screening or higher nominal zener voltages, consult SSDI MARKETING Department.
Solid State Devices, Inc.
14830 Valley View Blvd * La Mirada, Ca 90638
Phone: (562) 404 -7855 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com
SZ3A7.5 thru SZ3A510
Electrical Characteristics
PART ELECTRICAL SPECIFICATIONS @ 25°C MAXIMUM RATINGS
NUMBER † Nominal
Zener
Voltage
(note 1)
Zener
Test
Current
Maximum
Zener
Impedance
(note 2)
Maximum Reverse
Leakage Current
Typical
Temperature
Coefficient
Maximum
Continuous
(note 3)
Maximum
Surge Current
(note 4)
VOLTAGE
TOLERANCE VZ @ IZT IZT ZZ @ IZT IR @
VR VR TC @ IZT IZM IS
10% 5% VOLT mA Ohms µA 10%(A) 5%(B) %/°C mA Amps
SZ3A7.5
SZ3A8.2
SZ3A9.1
SZ3A10
SZ3A11
SZ3B7.5
SZ3B8.2
SZ3B9.1
SZ3B10
SZ3B11
7.5
8.2
9.1
10
11
100
100
50
50
50
2.0
2.2
4.0
4.4
4.9
50
10
10
7
3
3
4
5
7.1
7.8
4
5
6
7.5
8.2
.07
.08
.08
.09
.10
400
360
330
300
250
8
7
6
5
4
SZ3A12
SZ3A13
SZ3A15
SZ3A16
SZ3A18
SZ3B12
SZ3B13
SZ3B15
SZ3B16
SZ3B18
12
13
15
16
18
50
50
50
25
25
5.4
6.0
6.4
7.1
7.9
2
2
1
1
1
8.6
9.5
10.5
11.4
12.4
9.1
10
11
12
13
.10
.10
.10
.11
.11
230
200
185
170
150
4
3
3
2
2
SZ3A20
SZ3A22
SZ3A24
SZ3A27
SZ3A30
SZ3B20
SZ3B22
SZ3B24
SZ3B27
SZ3B30
20
22
24
27
30
25
25
25
25
25
8.7
9.7
11
12
16
1
1
1
1
1
14.3
15.5
17.1
19
20
15
16
18
20
22
.11
.11
.11
.11
.11
135
125
110
100
90
2
1.5
1.5
1.5
1.2
SZ3A33
SZ3A36
SZ3A39
SZ3A43
SZ3A47
SZ3B33
SZ3B36
SZ3B39
SZ3B43
SZ3B47
33
36
39
43
47
10
10
10
10
10
22
28
36
43
51
1
1
1
1
1
23
26
29
31
34
24
27
30
33
36
.11
.11
.11
.13
.13
85
65
60
55
50
1
0.8
0.8
0.7
0.6
SZ3A51
SZ3A56
SZ3A62
SZ3A68
SZ3A75
SZ3B51
SZ3B56
SZ3B62
SZ3B68
SZ3B75
51
56
62
68
75
10
10
10
10
10
60
70
80
90
100
1
1
1
1
1
37
41
45
49
53
39
43
47
51
56
.13
.13
.13
.13
.13
45
40
35
30
30
0.6
0.5
0.4
0.4
0.4
SZ3A82
SZ3A91
SZ3A100
SZ3A110
SZ3A120
SZ3B82
SZ3B91
SZ3B100
SZ3B110
SZ3B120
82
91
100
110
120
10
5
5
5
5
120
145
175
250
325
1
1
1
1
1
59
65
71
77
86
62
68
75
82
91
.13
.13
.13
.13
.13
25
25
20
20
20
0.3
0.2
0.2
0.2
0.2
SZ3A130
SZ3A150
SZ3A160
SZ3A180
SZ3A200
SZ3B130
SZ3B150
SZ3B160
SZ3B180
SZ3B200
130
150
160
180
200
5
5
5
5
2
375
650
780
940
1250
1
1
1
1
1
95
105
114
124
143
100
110
120
130
150
.13
.13
.13
.13
.13
20
18
18
15
15
0.15
0.15
0.10
0.10
0.10
SZ3A220
SZ3A240
SZ3A270
SZ3A300
SZ2A330
SZ3B220
SZ3B240
SZ3B270
SZ3B300
SZ2B330
220
240
270
300
330
2
2
2
2
2
1450
1650
1900
2300
2500
1
1
1
1
1
152
171
190
210
230
160
180
200
220
240
.13
.13
.13
.14
.14
15
12
12
11
10
0.09
0.09
0.08
0.07
0.07
SZ3A360
SZ3A390
SZ3A430
SZ3A470
SZ3A510
SZ3B360
SZ3B390
SZ3B430
SZ3B470
SZ3B510
360
390
430
470
510
2
2
2
2
2
2700
3500
4100
4800
5500
1
1
1
1
1
260
290
310
340
370
270
300
330
360
390
.14
.14
.15
.15
.16
9
8
7
7
6
0.06
0.06
0.05
0.05
0.04
NOTE: All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release. DATA SHEET #: Z00004D DOC