TH97/2478
TH09/2479
IATF 0060636
SGS TH07/1033
RATING AND CHARACTERISTIC CURVES ( 1N5338B - 1N5388B )
Fig 3. Typical Thermal Response L, Lead Length = 3/8 Inch
20
10
D=0.5
D=0.2
D=0.1
PPK
t1
5
t2
2
1
DUTY CYCLE, D = t 1/t2
SINGLE PULSE Δ TJL =θJL(t)PPK
D=0.05
D=0.01
REPETITIVE PULSE Δ TJL =θJL(t,D)PPK
NOTE:BELOW 0.1 SECOND, THERMAL
RESPONSE CURVE IS APPLICABLE
TO ANY LEAD LENGTH (L)
0.5
0.2
D=0
0.001
0.005 0.01
0.05
0.1
0.5
1
5
10
50
100
t,TIME (SECONDS)
Fig. 5 Peak Surg Current versus
Pulse Width
Fig.4 Maximum Non-Repetitive Surg Current
versus Nominal Zener Voltage
30
40
20
10
PW=1 ms*
20
10
PW=8.3 ms*
Vz = 3.3 V
4
2
5
2
1
1
PW=100 ms*
Vz = 200 V
0.5
0.4
PW=1000 ms*
*SQURE WAVE
0.2
0.1
0.2
0.1
3
4
6 8 10
20 30
1
10
100
1000
40
80 100
200
PW, PULSE WIDTH (ms)
NORMINAL Vz (V)
Page 3 of 3
Rev. 10 : March 9, 2010
EIC [ EIC DISCRETE SEMICONDUCTORS ]
