1N5342B-LFR FRONTIER [Frontier Electronics.], 1N5342B-LFR Datasheet - Page 2

• Manufacturer Part Number: 1N5342B-LFR
• Description: 5 WATT SILICON ZENER DIODE
• Manufacturer: FRONTIER [Frontier Electronics.]

RATING AND CHARACTERISTIC CURVES 1N5342B-LF THRU 1N5388B-LF
300
200
100
50
30
20
10
10
-2
5
8
6
4
2
0
Figure 4. Temperature Coefficient-Range
Figure 1. Temperature Coefficient-Range
0
3
0.5
0.2
1N5342B-LF THRU 1N5388B-LF
20
10
5
2
1
20 40
0.001
V
V
4
Z
D=0.01
D=0.05
Z
D=0.2
D=0.1
, ZENER VOLTAGE ＠I
D=0.5
D=0
, ZENER VOLTAGE ＠I
for Units 10 to 220 Volts
for Units 3 to 10 Volts
60 80 100 120 140 160 180 200 220
5
0.005
6
0.01
7
ZT
ZT
RANGE
(VOLTS)
(VOLTS)
RANGE
8
NOTE:BELOW 0.1 SECOND, THERMAL
TEMPERATURE COEFFICIENTS
Figure 3. Typical Thermal Response
RESPONSE CURVE IS APPLICABLE
TO ANY LEAD LENGTH (L).
9
t, TIME (SECONDS)
0.05 0.1
L, Lead Length=3/8 Inch
10
0.5 1
40
30
20
10
8
6
4
2
0
0
Figure 2. Power Temperature Derating
0
Figure 5. Typical Thermal Resistance
0
LEAD LENGTH TO HEAT SINK (INCHES)
DUTY CYCLE, D=t
SINGLE PULSE △ T
REPETITIVE PULSES △ T
30
0.2
L=1”
T
L=3/8”
L
, LEAD TEMPERATUE (℃)
5
0.4
60
1
/t
10
JL
Curve
2
=θ
JL
Page: 2
JL
P
(t)P
L=1/8”
PK
=θ
CONDUCTION THROUGH
PK
JL
0.6
(t,D)P
THE CATHODE LEAD
20
90
PRIMARY PATH OF
t
1
L
t
PK
2
L=LEAD LENGTH
TO HEAT SINK
(SEE FIGURE 5)
0.8
50 100
120
L
1
150