1SMC5342~1SMC5369
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE
FEATURES
• For surface mounted applications in order to optimize board space.
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• In compliance with EU RoHS 2002/95/EC directives
6.8 ~ 51 Volts
CURRENT
5.0 Watts
MECHANICAL DATA
• Case: JEDEC DO-214AB,Molded plastic over passivated junction.
• Terminals: Solder plated,solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes positive end (cathode)
• Standard Packaging:16mm tape (EIA-481)
• Weight: 0.0082 ounce, 0.2325 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
DC Power Dissipation on T
L
=75
O
C ,Measure at Zero Lead Length
Derate above 75
O
C
Operating Junction and StorageTemperature Range
Symbol
Value
5.0
-55 to +150
Units
Watts
O
P
D
T
J
, T
STG
C
STAD-FEB.10.2009
1
PAGE . 1
1SMC5342~1SMC5369
N ominal Zener Voltage
Part N umber
No m. V
5.0 Watt Zener
1SMC 5342
1SMC 5343
1SMC 5344
1SMC 5345
1SMC 5346
1SMC 5347
1SMC 5348
1SMC 5349
1SMC 5350
1SMC 5351
1SMC 5352
1SMC 5353
1SMC 5354
1SMC 5355
1SMC 5356
1SMC 5357
1SMC 5358
1SMC 5359
1SMC 5360
1SMC 5361
1SMC 5362
1SMC 5363
1SMC 5364
1SMC 5365
1SMC 5366
1SMC 5367
1SMC 5368
1SMC 5369
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
6.46
7.13
7.79
8.27
8.65
9.5
10.45
11.4
12.35
13.3
14.25
15.2
16.15
17.1
18.05
19
20.9
22.8
23.75
25.65
26.6
28.5
31.35
34.2
37.05
40.85
44.65
48.45
7.14
7.88
8.61
9.14
9.56
10.5
11.55
12.6
13.65
14.7
15.75
16.8
17.85
18.9
19.95
21
23.1
25.2
26.25
28.35
29.4
31.5
34.65
37.8
40.95
45.15
49.35
53.55
1
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
4
4
5
6
8
10
11
14
20
25
27
175
175
150
150
150
125
125
100
100
100
75
75
70
65
65
65
50
50
50
50
50
40
40
30
30
30
25
25
200
200
200
200
150
125
125
125
100
75
75
75
75
75
75
75
75
100
110
120
130
140
150
160
170
190
210
230
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
10
10
10
10
7.5
5
5
2
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
5.2
5.7
6.2
6.6
6.9
7.6
8.4
9.1
9.9
10.6
11.5
12.2
12.9
13.7
14.4
15.2
16.7
18.2
19
20.6
21.2
22.8
25.1
27.4
29.7
32.7
35.8
38.8
342B
343B
344B
345B
346B
347B
348B
349B
350B
351B
352B
353B
354B
355B
356B
357B
358B
359B
360B
361B
362B
363B
364B
365B
366B
367B
368B
369B
V
Z
@ I
ZT
M i n. V
M a x. V
Ω
Max. Zener Impedance
Z
ZT
@ I
ZT
mA
Z
ZK
@ I
ZK
Ω
mA
µA
Max R everse
Leakage C urrent
I
R
@ V
R
V
Marking
C ode
STAD-FEB.10.2009
1
PAGE . 2
1SMC5342~1SMC5369
RATING AND CHARACTERISTIC CURVES
8
Q
VZ,T EMP ERATUR E
o
COE FFIC IENT (mA / C@I ZT)
PD,MAXIMUM POWER
DISSPATION(WATTS)
400
300
200
100
50
30
20
10
5
0
RANGE
6
4
2
0
0
30
60
90
120
150
TL,LEAD TEMPERATURE(
o
C)
Fig.1-POWER TEMPERATURE DERATING CURVE
20
40
60
80
100
120
140
160
180
200
VZ,ZENER VOLTAGE@IZT(VOLTS)
Fig.2-TEMPERATURE COEFFICIENT-RANGE
JL,JUNCTION-TO-LEAD
o
THERMAL RESISTANCE( C/W)
40
40
20
PW=1ms*
PW=8.3ms*
IR,PEAK SURGE
CURREN T(AMPS )
30
10
4
2
1
0.4
0.2
0.1
3
4
PW=1000ms*
SINE/SQUARE WAVE PW=100ms*
20
10
MCUNTE ON 8.0mm
COPPER PADS TO
EACH TERMINAL
2
0
0
0.2
0.4
0.6
0.8
1
6
8 10
20
30 40
60 80100
200
L,LEAD LENGTH TO HEAT SINK(INCH)
NOMINAL VZ(V)
Fig.4-MAXIMUM NON-REPETITIVE SURGE
CURRENT VERSUS NOMINAL ZENER VOLTAGE
Fig.3-TYPICAL THERMAL RESISTANCE
Q
JL(t,D),TR ANSIENT
THERMAL RESISTA NCE
JUNCTIO N-TO-LEA D(
o
C/W)
30
20
10
7
5
3
2
1
0.7
0.5
0.3
0.0001
D=0.5
0.2
0.1
0.05
0.02
0.01
D=0
0.0002
0.0005
0.001
0.002
NOTE BELOW 0.1 SECOND,
THERMAL RESPONSE
CURVE IS APPLICABLE TO
ANY LEAD LENGTH(L)
0.005
0.01
0.02
0.05
DUTY CYCLE,D=t1/t2
SINGLE PULSE
r
TJL=
Q
JL(t)PPK
REPETITIVE PULSES
r
TJL=
Q
JL(t,D)PPK
0.1
0.2
0.5
1
2
5
10
PPK
t1
t2
TIME (SECONDS)
Fig.5-TYPICAL THERMAL RESPONSE
STAD-FEB.10.2009
1
PAGE . 3
1SMC5342~1SMC5369
IR,PEAK SURGE CURRENT (AMPS)
o
C
PW,PULSE WIDTH(ms)
Fig.6-PEAK SURGE CURRENT VERSUS
PULSE WIDTH
Fig.7-ZENER VOLTAGE VERSUS ZENER
CURRENT VZ=6.8 THRU 10 VOLTS
o
C
50
Fig.8-ZENER VOLTAGE VERSUS ZENER
CURRENT VZ=11 THRU 51 VOLTS
STAD-FEB.10.2009
1
PAGE . 4
1SMC5342~1SMC5369
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 3K per 13" plastic Reel
T/R - 0.5Kper 7” plastic Reel
LEGAL STATEMENT
Copyright PanJit International, Inc 2009
The information presented in this document is believed to be accurate and reliable. The specifications and information herein
are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit
does not convey any license under its patent rights or rights of others.
STAD-FEB.10.2009
1
PAGE . 5
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