PANJIT 1SMC5345

1SMC5342~1SMC5369
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE
6.8 ~ 51 Volts
CURRENT
5.0 Watts
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
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 TL=75O C ,Measure at Zero Lead Length
Derate above 75O C
Operating Junction and StorageTemperature Range
STAD-FEB.10.2009
1
Symbol
Value
Units
PD
5.0
Watts
TJ , TSTG
-55 to +150
O
C
PAGE . 1
1SMC5342~1SMC5369
N ominal Zener Voltage
Part N umber
Max R everse
Leakage C urrent
Max. Zener Impedance
V Z @ IZT
Z ZT @ IZT
Z ZK @ IZK
IR @ V R
Marking
C ode
No m. V
M i n. V
M a x. V
Ω
mA
Ω
mA
µA
V
1SMC 5342
6.8
6.46
7.14
1
175
200
1
10
5.2
342B
1SMC 5343
7.5
7.13
7.88
2
175
200
1
10
5.7
343B
1SMC 5344
8.2
7.79
8.61
2
150
200
1
10
6.2
344B
1SMC 5345
8.7
8.27
9.14
2
150
200
1
10
6.6
345B
1SMC 5346
9.1
8.65
9.56
2
150
150
1
7.5
6.9
346B
1SMC 5347
10
9.5
10.5
2
125
125
1
5
7.6
347B
1SMC 5348
11
10.45
11.55
3
125
125
1
5
8.4
348B
1SMC 5349
12
11.4
12.6
3
100
125
1
2
9.1
349B
1SMC 5350
13
12.35
13.65
3
100
100
1
1
9.9
350B
1SMC 5351
14
13.3
14.7
3
100
75
1
1
10.6
351B
1SMC 5352
15
14.25
15.75
3
75
75
1
1
11.5
352B
1SMC 5353
16
15.2
16.8
3
75
75
1
1
12.2
353B
1SMC 5354
17
16.15
17.85
3
70
75
1
0.5
12.9
354B
1SMC 5355
18
17.1
18.9
3
65
75
1
0.5
13.7
355B
1SMC 5356
19
18.05
19.95
3
65
75
1
0.5
14.4
356B
1SMC 5357
20
19
21
3
65
75
1
0.5
15.2
357B
1SMC 5358
22
20.9
23.1
4
50
75
1
0.5
16.7
358B
5.0 Watt Zener
1SMC 5359
24
22.8
25.2
4
50
100
1
0.5
18.2
359B
1SMC 5360
25
23.75
26.25
4
50
110
1
0.5
19
360B
1SMC 5361
27
25.65
28.35
5
50
120
1
0.5
20.6
361B
1SMC 5362
28
26.6
29.4
6
50
130
1
0.5
21.2
362B
1SMC 5363
30
28.5
31.5
8
40
140
1
0.5
22.8
363B
1SMC 5364
33
31.35
34.65
10
40
150
1
0.5
25.1
364B
1SMC 5365
36
34.2
37.8
11
30
160
1
0.5
27.4
365B
1SMC 5366
39
37.05
40.95
14
30
170
1
0.5
29.7
366B
1SMC 5367
43
40.85
45.15
20
30
190
1
0.5
32.7
367B
1SMC 5368
47
44.65
49.35
25
25
210
1
0.5
35.8
368B
1SMC 5369
51
48.45
53.55
27
25
230
1
0.5
38.8
369B
STAD-FEB.10.2009
1
PAGE . 2
1SMC5342~1SMC5369
RATING AND CHARACTERISTIC CURVES
400
VZ,TE MPER ATURoE
COEF FICIE NT(m A/ C@IZ T)
PD,MAXIMUM POWER
DISSPATION(WATTS)
8
6
4
2
0
30
60
90
120
200
100
50
30
20
RANGE
10
5
20
0
150
40
60
80
100
120
140
160
180
200
TL,LEAD TEMPERATURE( oC)
VZ,ZENER VOLTAGE@IZT(VOLTS)
Fig.1-POWER TEMPERATURE DERATING CURVE
Fig.2-TEMPERATURE COEFFICIENT-RANGE
40
40
PW=1ms*
IR,PEAK SURGE
CURRENT( AMPS)
20
30
20
MCUNTE ON 8.0mm
COPPER PADS TO
EACH TERMINAL
10
0
2
PW=8.3ms*
10
4
2
1
PW=1000ms*
0.4
0.2
SINE/SQUARE WAVE PW=100ms*
0.1
0
0.2
0.4
0.6
0.8
1
3
4
6
8 10
20
30 40
60 80100
200
L,LEAD LENGTH TO HEAT SINK(INCH)
NOMINAL VZ(V)
Fig.3-TYPICAL THERMAL RESISTANCE
Fig.4-MAXIMUM NON-REPETITIVE SURGE
CURRENT VERSUS NOMINAL ZENER VOLTAGE
JL(t,D),TRAN SIENT
THERMAL RESISTANCE
JUNCTION-T O-LEAD( oC/W)
JL,JUNCTION-TO-LEAD
o
THERMAL RESISTANCE( C/W)
0
300
30
20
10
7
5
3
2
1
0.7
0.5
0.3
0.0001
D=0.5
0.2
PPK
0.1
t1
0.05
t2
0.02
NOTE BELOW 0.1 SECOND,
THERMAL RESPONSE
CURVE IS APPLICABLE TO
ANY LEAD LENGTH(L)
0.01
D=0
0.0002
0.0005
0.001
0.002
0.005
0.01
0.02
0.05
DUTY CYCLE,D=t1/t2
SINGLE PULSE r TJL= JL(t)PPK
REPETITIVE PULSES r TJL= JL(t,D)PPK
0.1
0.2
0.5
1
2
5
10
TIME (SECONDS)
Fig.5-TYPICAL THERMAL RESPONSE
STAD-FEB.10.2009
1
PAGE . 3
IR,PEAK SURGE CURRENT (AMPS)
1SMC5342~1SMC5369
o
C
PW,PULSE WIDTH(ms)
Fig.6-PEAK SURGE CURRENT VERSUS
PULSE WIDTH
o
Fig.7-ZENER VOLTAGE VERSUS ZENER
CURRENT VZ=6.8 THRU 10 VOLTS
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