RATING AND CHARACTERISTICS CURVES
1N5338B THRU 1N5388B
TEMPERATURE COEFFICIENTS
300
200
100
8
6
4
2
0
RANGE
50
30
20
10
5
0
20 40 60 80 100 120 140 160 180 200 220
VZ, ZENER VOLTAGE @IZT (VOLTS)
0
20
40
60
80
100
120
TL, LEAD TEMPERATURE
Fig. 1-POWER TEMPERATURE DERATING CURVE
Fig. 2-TEMPERATURE COEFFICIENT-RANGE FOR UNITS
6 TO 51 VOLTS
20
D = 0.5
10
5
D = 0.2
P
PK
t
1
D = 0.1
t
2
2
1
D = 0.05
DUTY CYCLE, D = t /t
1 2
SINGLE PULSE D T = q (t)P
D = 0.01
NOTE: BELOW 0.1 SECOND, THERMAL
NOTE: RESPONSE CURVE IS APPLICABLE
NOTE: TO ANY LEAD LENGTH (L).
JL
JL
REPETITIVE PULSES D T = q (t, D)P
PK
PK
0.5
0.2
JL
JL
D = 0
0.001
0.005 0.01
0.05
0.1
0.5
1
5
10
20
50
100
t, TIME (SECONDS)
Figure 3. Typical Thermal Response
L, Lead Length = 3/8 Inch
40
PW = 1ms*
20
10
40
30
PW = 8.3ms*
4
2
1
20
10
2
MOUNT ON 8.0mm
COPPER PADS TO
EACH TERMINAL
PW = 1000ms*
SINE / SQUARE WAVE PW = 100ms*
10 20 30 40 60 80 100
0.4
0.2
0.1
3
0
0
0.2
0.4
0.6
0.8
1
4
6
8
200
L, LEAD LENGTH TO HEAT SINK (INCH)
NOMINAL VZ(V)
Fig. 4-TYPICAL THERMAL RESISTANCE
Fig. 5-MAXIMUM NON-REPETITIVE SURGE
CURRENT VERSUS NOMINAL ZENER
VOLTAGE (SEE NOTE 3)
KI SEMICONDUCTOR
KISEMICONDUCTOR [ Kwang Myoung I.S. CO.,LTD ]
