SMAJ5913 thru SMAJ5936
Transient Voltage Suppressor
Breakdown Voltage 3.3 to 30 Volts
CASE: SMA (DO214AC)
Features
Extensive Voltages selection from 3.3 to 30V
Silicon 3.0 Watt Zener Diodes
Ideal for high-density and low-profile mounting
Regulates voltage over a broad operating current
and temperature range
Flexible axial-lead mounting terminals
High specified maximum current(I
ZM
) when
adequately heat sinking
Application
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
@
Symbol
P
M(AV)
V
F
R
θJL
R
θJA
T
J,
T
STG
Conditions
印
打
Use in sensitive electronics protection against voltage
transients induced by inductive load switching and
lighting on IC
S
, MOSFE, signal lines of sensor units
for consumer, computer, industrial, automotive and
telecommunication
Mechanical Data
Case:
Void-free transfer molded thermosetting epoxy
body meeting UL94V-O
Terminals:
Tin-Lead or ROHS Compliant annealed
matte-Tin plating readily solderable per MIL-STD-750,
Method 2026
Marking:
Body marked with part number
Polarity:
Cathode indicated by band
Weight:
0.3g（Approximately）
效
无
25 C unless otherwise specified
O
Value
3.0
1.56
1.2
15
80
-65 to +150
Unit
W
W
V
℃/W
℃/W
℃
Steady state power at T
L
≤ 105℃ 0.375”(10mm) from body
Steady state power at T
A
=25℃ when mounted on FR4 PC described for
thermal resistance (also see Fig.1)
Maximum instantaneous forward voltage at 200mA
Thermal resistance junction to lead
Thermal resistance junction to ambient
Operating and Storage Temperature
Document Number: SMAJ5913 thru SMAJ5936
Feb.29, 2012
www.smsemi.com
1
SMAJ5913 thru SMAJ5936
Electrical Characteristics @ 25° (Unless Otherwise Noted)
C
Zener
Voltage
V
Z
@ I
ZT
V
Z
(V)
JEDEC
Type
Number
SMAJ5913
SMAJ5914
SMAJ5915
SMAJ5916
SMAJ5917
SMAJ5918
SMAJ5919
SMAJ5920
SMAJ5921
SMAJ5922
SMAJ5923
SMAJ5924
SMAJ5925
SMAJ5926
SMAJ5927
SMAJ5928
SMAJ5929
SMAJ5930
SMAJ5931
SMAJ5932
SMAJ5933
SMAJ5934
SMAJ5935
SMAJ5936
Test
Current
I
ZT
(mA)
Maximum
Dynamic
Impedance
Z
ZT
@ I
ZT
Z
ZT
(Ohms)
Maximum
Knee
Impedance
Z
Zk
@ I
Zk
Z
ZK
(Ohms)
Knee
Current
I
ZK
(mA)
Maximum Reverse
Current
I
R
@ V
R
I
R
(µA)
V
R
(V)
MAX.
DC
current
I
ZM
(mA)
Note:
1. No suffix indicates a
±20%
tolerance on nominal V
Z
. Suffix A denotes a
±10%
tolerance, B denotes a
±5%
tolerance, C
denotes a
±2%
tolerance, and D denotes a
±10%
tolerance.
2. Zener voltage (V
Z
) is measured at T
L
=30° and 90seconds after application of dc current.
C
3. The Zener impedance is derived from the 60HZ ac voltage, which results when an ac current modulation having an rms value
equal to 10% of the dc zener current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK.
4. The maximum dc current (I
ZM
) is based only on the maximum power of 3.0watts at TL≤105°
C.These values must be reduced
by 48% (1.56W) when mounted on PC boards as described in Maximum Ratings.
印
打
2
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
113.6
104.2
96.1
87.2
79.8
73.5
66.9
60.5
55.1
50.0
45.7
41.2
37.5
34.1
31.2
28.8
25.0
23.4
20.8
18.7
17.0
15.6
13.9
12.5
10.0
9.0
7.5
6.0
5.0
4.0
2.0
2.0
2.5
3.0
3.5
4.0
4.5
5.5
6.5
7.0
9.0
10.0
12.0
14.0
17.5
19.0
23.0
28.0
500
500
500
500
500
350
250
200
200
400
400
500
500
550
550
550
600
600
650
650
650
700
700
750
效
无
www.smsemi.com
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
100
75
25
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.0
3.0
4.0
5.2
6.0
6.5
7.0
8.0
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
908
832
768
696
638
588
534
482
440
400
364
328
300
272
250
230
200
186
166
150
136
124
110
100
Document Number: SMAJ5913 thru SMAJ5936
Feb.29, 2012
SMAJ5913 thru SMAJ5936
Characteristic Curve
5.0
P
d
, Maximum Power Dissipation (W)
Typical Maximum Power in Watts
10
3
4.0
3.0
10
2
T
L
2.0
10
1.0
T
A
0
0
50
100
150
Lead or Ambient Temperature (℃)
200
1.0
Fig.1 Power Derating Curve
100
10
1
印
打
At zero volts
At 2volts (V
R
)
效
无
0.01
0.1
1.0
10
10
2
Time in Milliseconds (ms)
10
3
Fig.2 Transient Surge Capability
Square-Wave Pulse Width (non-
Repetitive) in milliseconds
Capacitance Picofarads
0
50
100
Zener Voltage (V)
150
200
Fig.3 Capacitance vs. Zener Voltage
Document Number: SMAJ5913 thru SMAJ5936
Feb.29, 2012
www.smsemi.com
3
Embedded System
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