CZRC53 Datasheet, PDF (3/4 Pages) Comchip Technology – Surface Mount Zener Diode

Surface Mount Zener Diode
COMCHIP
www.comchip.com.tw
Rating and Characteristic Curves (CZRC5348 Thru CZRC5388)
8
L = LEAD LENGTH TO
6
HEAT SINK
(SEE FIGURE 5)
4
2
0
0
20
40
60
80 100 120 140 160
TL, LEAD TEMPERATURE (°C))
Fig. 1-POWER TEMPERATURE DERATING CURVE
300
200
100
RANGE
50
30
20
10
5
0 20 40 60 80 100 120 140 160 180 200 220
VZ, ZENER VOLTAGE @IZT (VOLTS)
Fig. 2-TEMPERATURE COEFFICIENT-RANGE FOR UNITS
6 TO 220 VOLTS
30
20 ^{D = 0.5}
10 0.2
7
5 0.1
3
2 ^0.05
0.02
1
0.7
0.5 _0.01
0.3
D=0
NOTE BELOW 0.1 SECOND,
THERMAL RESPONSE
CURVE IS APPLICABLE TO
ANY LEAD LENGTH (L)
DUTY CYCLE, D = t1 / t2
SINGLE PULSE TJL = JL(t)PPK
REPETITIVE PULSES TJL = JL(t,D)PPK
0.0001 0.0002 0.0005 0.001 0.002 0.005 0.01 0.02
0.05 0.1 0.2
0.5
1
2
5
10
TIME (SECONDS)
Fig. 3-TYPICAL THERMAL RESPONSE
40
30
20
MCUNTE ON 8.0mm²
10
COPPER PADS TO
EACH TERMINAL
0
0
0.2
0.4
0.6
0.8
1
L, LEAD LENGTH TO HEAT SINK (INCH)
Fig. 4-TYPICAL THERMAL RESISTANCE
40
PW = 1ms*
20
PW = 8.3ms*
10
4
2
1
PW = 1000ms*
0.4
0.2 ^{SINE / SQUARE WAVE PW = 100ms*}
0.1
3 4 6 8 10
20 30 40 60 80 100
200
NOMINAL VZ(V)
Fig. 5-MAXIMUM NON-REPETITIVE SURGE
CURRENT VERSUS NOMINAL ZENER
VOLTAGE (SEE NOTE 3)
MDS0211013A
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