Frontier Electronics Corp.
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TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail:
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5 WATT SILICON ZENER DIODE
1N5342B-LFR THRU 1N5388B-LFR
FEATURES
PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY
FLAMMABILITY CLASSIFICATION 94V-0
LOW ZENER IMPEDANCE
EXCELLENT CLAMPING CAPABILITY
ROHS
MECHANICAL DATA
CASE: MOLDED PLASTIC, DO-201AE, DIMENSIONS IN INCHES AND (MILLIMETERS)
TERMINALS: AXIAL LEADS SOLDERABLE PER MIL-STD-202, METHOD 208
POLARITY: COLOR BAND DENOTES CATHODE
MOUNTING POSITION: ANY
WEIGHT: 1.2 GRAM
1.0(25.4)
MIN
.042(1.07)
.037(0.94)
.375(9.5)
.335(8.5)
1.0(25.4)
MIN
.220(5.6)
.197(5.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE
SPECIFIED STORAGE AND OPERATING TEMPERATURE RANGE -55°C TO + 150°C
ELECTRICAL CHARACTERISTICS (TA=25°C UNLESS OTHERWISE NOTED VF=1.2V MAX, @ IF = 1A FOR ALL TYPES)
JEDEC
TYPE NO
1N5342B-LFR
1N5343B-LFR
1N5344B-LFR
1N5345B-LFR
1N5346B-LFR
1N5347B-LFR
1N5348B-LFR
1N5349B-LFR
1N5350B-LFR
1N5351B-LFR
1N5352B-LFR
1N5353B-LFR
1N5354B-LFR
1N5355B-LFR
1N5356B-LFR
1N5357B-LFR
1N5358B-LFR
1N5359B-LFR
1N5360B-LFR
1N5361B-LFR
1N5362B-LFR
1N5363B-LFR
1N5364B-LFR
1N5365B-LFR
1N5366B-LFR
1N5367B-LFR
1N5368B-LFR
1N5369B-LFR
1N5370B-LFR
1N5371B-LFR
1N5372B-LFR
1N5373B-LFR
1N5374B-LFR
1N5375B-LFR
1N5376B-LFR
1N5377B-LFR
1N5378B-LFR
1N5379B-LFR
1N5380B-LFR
1N5381B-LFR
1N5382B-LFR
1N5383B-LFR
1N5384B-LFR
1N5385B-LFR
1N5386B-LFR
1N5387B-LFR
1N5388B-LFR
NOMINAL
ZENER
VOLTS
V
Z
@I
ZT
VOLTS
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
56
60
62
68
75
82
87
91
100
110
120
130
140
150
160
170
180
190
200
TEST
CURRENT
I
ZT
mA
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
20
20
20
20
20
15
15
15
12
12
10
10
8
8
8
8
5
5
5
MAXIMUM ZENER
IMPEDANCE
Z
ZK
Z
ZT
@ I
ZT
@I
ZK
=1mA
Ohms
Ohms
1
1.5
1.5
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3.5
3.5
4
5
6
8
10
11
14
20
25
27
35
40
42
44
45
65
75
75
90
125
170
190
230
330
350
380
430
450
480
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
280
350
400
500
620
720
760
760
800
1000
1150
1250
1500
1500
1650
1750
1750
1850
1850
MAX. REVERSE
LEAKAGE CURRENT
@
V
R
I
R
μA
VOLTS
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
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
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
42.6
42.5
47.1
51.7
56
62.2
66
69.2
76
83.6
91.2
98.8
106
114
122
129
137
144
152
MAX
SURGE
CURRENT
I
R
AMPS
11.5
10.7
10
9.5
9.2
8.6
8
7.5
7
6.7
6.3
6
5.8
5.5
5.3
5.1
4.7
4.4
4.3
4.1
3.9
3.7
3.5
3.3
3.1
2.8
2.7
2.5
2.3
2.2
2.1
2
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.2
1.1
1.1
1.0
1.0
0.9
0.9
MAX
MAXIMUM
VOLTAGE
REGULATOR
REGULATION CURRENT
V
Z
VOLT
I
ZM
mA
0.15
0.15
0.2
0.2
0.22
0.22
0.25
0.25
0.25
0.25
0.25
0.3
0.35
0.4
0.4
0.4
0.45
0.55
0.55
0.6
0.6
0.6
0.6
0.65
0.65
0.7
0.8
0.9
1
1.2
1.35
1.5
1.6
1.8
2
2.2
2.5
2.5
2.5
2.5
2.5
3
3
3
4
5
5
700
630
580
545
520
475
430
395
365
340
315
295
280
265
250
237
216
198
190
176
170
158
144
132
122
110
100
93
86
79
76
70
63
58
54.5
52.5
47.5
43
39.5
36.6
34
31.6
29.4
28
26.4
25
23.6
NOTE: SUFFIX “B” OR ±5%
1N5342B-LF THRU 1N5388B-LF
Page: 1
RATING AND CHARACTERISTIC CURVES 1N5342B-LF THRU 1N5388B-LF
TEMPERATURE COEFFICIENTS
Figure 1. Temperature Coefficient-Range
for Units 3 to 10 Volts
P
D
, MAXIMUM POWER DISSIPATION
(WATTS)
θ
V
Z
, TEMPERATURE COEFFICIENT
10
8
(mV/℃)
＠I
ZT
6
4
2
RANGE
Figure 2. Power Temperature Derating
Curve
8
L=1/8”
L=LEAD LENGTH
TO HEAT SINK
(SEE FIGURE 5)
6
L=3/8”
4
L=1”
0
-2
3
4
5
6
7
8
9
10
2
0
0
30
60
90
120
150
V
Z
, ZENER VOLTAGE
＠I
ZT
(VOLTS)
T
L
, LEAD TEMPERATUE (℃)
Figure 3. Typical Thermal Response
L, Lead Length=3/8 Inch
(t, D), TRANSIENT THERMAL
RESISTANCE
20
JUNCTION-TO-LEAD (℃/W)
10
5
2
1
D=0.01
D=0.5
P
PK
D=0.2
D=0.1
D=0.05
NOTE:BELOW 0.1 SECOND, THERMAL
RESPONSE CURVE IS APPLICABLE
TO ANY LEAD LENGTH (L).
DUTY CYCLE, D=t
1
/t
2
SINGLE PULSE
△
T
JL
=θ
JL
(t)P
PK
JL
(t,D)P
PK
t
1
t
2
0.5
0.2
D=0
REPETITIVE PULSES
△
T
JL
=θ
JL
θ
0.001
0.005
0.01
0.05 0.1
0.5 1
5
10
20
50 100
t, TIME (SECONDS)
Figure 4. Temperature Coefficient-Range
for Units 10 to 220 Volts
θ
V
Z
, TEMPERATURE COEFFICIENT
300
200
100
RANGE
Figure 5. Typical Thermal Resistance
JUNCTION-TO-LEAD THERMAL
40
RESISTANCE (℃/W)
30
(mV/℃)
＠I
ZT
50
30
20
10
20
L
L
10
PRIMARY PATH OF
CONDUCTION THROUGH
THE CATHODE LEAD
JL
5
0
20 40
60 80 100 120 140 160 180 200 220
0
0
0.2
0.4
0.6
0.8
1
θ
V
Z
, ZENER VOLTAGE
＠I
ZT
(VOLTS)
LEAD LENGTH TO HEAT SINK (INCHES)
1N5342B-LF THRU 1N5388B-LF
Page: 2
RATING AND CHARACTERISTIC CURVE 1N5342B-LF THRU 1N5388B-LF
Figure 6. Maximum Non-Repetitive Surge
Current versus Nominal Zener Voltage
I
r
, PEAK SURGE CURRENT (AMPS)
20
10
4
2
1
0.4
0.2
0.1
3 4
6 810
20
30 40 60 80100
200
SQUARE WAVE
PW=1000ms
PW=100ms
PW=1ms
PW=8.3ms
Figure 7. Peak Surge Current versus Pulse Width
I
r
, PEAK SURGE CURRENT (AMPS)
30
20
10
5
2
1
0.5
0.2
0.1
1
10
100
1000
PLOTTED FROMINFORMATION
GIVEN IN FIGURE 6
V
Z
=200V
V
Z
=3.3V
40
NOMINAL V
Z
(V)
PW, PULSE WIDTH (ms)
Figure 8. Zener Voltage versus Zener Current
V
Z
=3.3 thru 10 Volts
T
c
=25℃
T=25℃
Figure 9. Zener Voltage versus Zener Current
V
Z
=11 thru 75 Volts
1000
T=25℃
I
Z
, ZENER CURRENT (mA)
1000
I
Z
, ZENER CURRENT (mA)
1
2
3
4
5
6
7
8
9
10
100
100
10
10
1
0.1
1
0.1
10
20
30
40
50
60
70
80
V
Z
, ZENER VOLTAGE (VOLTS)
V
Z
, ZENER VOLTAGE (VOLTS)
Figure 10. Zener Voltage versus Zener Current
V
Z
=82 thru 200 Volts
I
Z
, ZENER CURRENT (mA)
100
10
1
0.1
80
100
120
140
160
180
200
220
V
Z
, ZENER VOLTAGE (VOLTS)
1N5342B-LF THRU 1N5388B-LF
Page: 3
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