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CZRA4764B-HF

型号：

CZRA4764B-HF

品牌：

COMCHIP[ COMCHIP TECHNOLOGY ]

页数：

4 页

PDF大小：

87 K

下载PDF手册
COMCHIP  
SURFACE MOUNT ZENER DIODE  
SURFACE MOUNT ZENER DIODE  
SMD DIODE SPECIALIST  
CZRA4740 thru CZRA4764  
Voltage: 10-100 Volts  
Power: 1.0 Watts  
FEATURES  
- For surface mounted applications in order to  
optimize board space  
DO-214AC (SMA)  
- Low profile package  
- Built-in strain relief  
- Glass passivated junction  
- Low inductance  
0.067(1.70)  
0.051(1.29)  
0.110(2.79)  
0.086(2.18)  
0.180(4.57)  
0.160(4.06)  
- Typical IR less than 5.0uA above 11V  
- High temper ature soldering :  
260°C / 10 seconds at terminals  
U
0.012(0.31)  
0.006(0.15)  
- Plastic package has Underwriters Laboratory  
Flammability Classification 94V-O  
0.091(2.31)  
0.067(1.70)  
0.008(0.20)  
0.004(0.10)  
0.059(1.50)  
0.035(0.89)  
0.209(5.31)  
0.185(4.70)  
MECHANICAL DATA  
Case: JEDEC DO-214AC, Molded plastic  
over passivated junction  
Terminals: Solder plated, solderable per  
MIL-STD-750, method 2026  
Dimensionsininchesand(millimeters)  
Polarity: Color band denotes positive end(cathode)  
Standard Packaging: 12mm tape(EIA-481)  
Weight: 0.002 ounce, 0.064 gram  
MaximumRatingsandElectricalCharacterics  
°C  
Ratings at 25 ambient temperature unless otherwise specified.  
SYMBOL  
VALUE  
1.0  
UNITS  
Watts  
Peak Pulse Power Dissipation on TA= 50°C (Note A)  
Derate above 50°C  
PD  
6.67  
mW/°C  
Peak forward Surge Current 8.3ms single half sine-wave  
superimposed on rated load(JEDEC Method) (Note B)  
Operating Junction and Storage Temperature Range  
IFSM  
10  
Amps  
TJ,TSTG  
-55 to +150  
°C  
NOTES:  
A. Mounted on 5.0mm2(.013mm thick) land areas.  
B. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.  
MDS0208021B  
Page 1  
Comchip Technology Corporation • Tel: 510-657-8671 • Fax: 510-657-8921 • www.comchiptech.com  
COMCHIP  
SURFACE MOUNT ZENER DIODE  
SURFACE MOUNT ZENER DIODE  
SMD DIODE SPECIALIST  
EL ECTRIC AL CHARACTERI STIC S  
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C ZR A474 1  
C ZR A474 2  
C ZR A474 3  
C ZR A474 4  
C ZR A474 5  
C ZR A474 6  
C ZR A474 7  
C ZR A474 8  
C ZR A474 9  
C ZR A475 0  
C ZR A475 1  
C ZR A475 2  
C ZR A475 3  
C ZR A475 4  
C ZR A475 5  
C ZR A475 6  
C ZR A475 7  
C ZR A475 8  
C ZR A475 9  
C ZR A476 0  
C ZR A476 1  
C ZR A476 2  
C ZR A476 3  
C ZR A476 4  
4 54  
4 14  
3 80  
3 44  
3 04  
2 85  
2 50  
2 25  
2 05  
1 90  
1 70  
1 50  
1 35  
1 25  
1 15  
1 10  
9 5  
1 0  
1 1  
1 2  
1 3  
1 5  
1 6  
1 8  
2 0  
2 2  
2 4  
2 7  
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1 . T o le r an c e a n d Ty pe Nu m b e r De s ig n a t io n. Th e t yp e nu m b e r s li st e d h a ve a st a n d ar d t o le r a nce o n t h e n o m in a l ze n e r  
vo l t ag e o f ± 5 % .  
2. Sp e ci a ls A va i la ble I n c lu d e :  
A. N o min a l ze n e r vo lt a g e s b e t we e n t h e volt a g e s s h o wn a n d t ig h t e r vo lt a g e t o le r a n ce s.  
B. Mat c h e d se t s .  
3. Z e ne r Vo lt a g e ( V ) M ea su re m e n t . Gu a ra nt e e s t h e zen e r vo lt a g e wh e n m e a su re d a t 9 0 s e co n d s wh ile m a in t a in in g  
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Comchip Technology Corporation • Tel: 510-657-8671 • Fax: 510-657-8921 • www.comchiptech.com  
MDS0208021B  
Page 2  
COMCHIP  
SSURFFAACCEE MMOOUUNNTT ZZEENNEERR DDIIOODDEE  
SMD DIODE SPECIALIST  
RATING AND CHARACTERISTICS CURVES  
CZRA4740 THRU CZRA4764  
1.25  
1.0  
L = LEAD LENTGH TO  
HEAT SINK  
0.75  
0.50  
0.25  
0
0
20 40 60 80 100 120 140 160 180 200  
TL, LEAD TEMPERATURE  
Fig. 1-POWER TEMPERATURE DERATING CURVE  
100  
70  
50  
30  
20  
+12  
+10  
10  
RANGE  
VZ @ IZT  
+8.0  
+6.0  
+4.0  
+2.0  
0
7.0  
5.0  
VZ @ IZT  
3.0  
2.0  
RANGE  
-2.0  
-4.0  
2
1.0  
10  
3
4
5
6
7
8
9
10 11 12  
20  
30  
50  
70  
100  
VZ, ZENER VOLTAGE (VOLTS)  
VZ, ZENER VOLTAGE (VOLTS)  
Fig. 2-TEMPERATURE COEFFICIENTS  
(-55°C TO +150°C TEMPERATURE RANGE; 90% OF THE UNITS ARE IN THE RANGES INDICATED.)  
175  
150  
NOTE:BELOW 3 VOLTS AND ABOVE 8  
125  
100  
CHANGES IN ZENER CURRENT DO  
AFFECT TEMPERATURE  
+6.0  
+4.0  
+2.0  
0
20mA  
75  
50  
0.01mA  
25  
0
1.0mA  
VZ @ IZT  
TA = 2 5°C  
-2.0  
-4.0  
3
0
.1  
.2 .3 .4 .5 .6 .7 .8 .9 1.0  
4
5
6
7
8
L, LEAD LENGTH TO HEAT SINK (INCKES)  
VZ, ZENER VOLTAGE (VOLTS)  
Fig.3-TYPICAL THERMAL RESISTANCE VERSUS LEAD  
LENGTH  
Fig. 4-EFFECT OF ZENER CURRENT  
Comchip Technology Corporation • Tel: 510-657-8671 • Fax: 510-657-8921 • www.comchiptech.com  
MDS0208021B  
Page3  
COMCHIP  
SSURFFAACCEE MMOOUUNNTT ZZEENNEERR DDIIOODDEE  
SMD DIODE SPECIALIST  
RATING AND CHARACTERISTICS CURVES  
CZRA4740 THRU CZRA4764  
100  
70  
50  
11V-91V NON-REPETITIVE  
0.8V-10V NON-REPETITIVE  
5% DUTY CYCLE  
30  
20  
RECTANGULAR WAVEFORM  
TJ = 25°C PRIOR TO INITIAL  
PULSE  
10  
10% DUTY CYCLE  
7.0  
5.0  
3.0  
2.0  
20% DUTY CYCLE  
1.0  
0.01 0.02  
0.05  
0.1  
0.2  
0.5  
1.0  
2.0  
5.0  
10  
20  
50  
100 200  
500  
PW, PULSE WIDTH  
This graph represents 90 percentile data point.  
For worst-case design characteristics, multiply surge power by 2/3  
Fig. 5-MAXIMUM SURGE POWER  
1
000  
700  
500  
1000  
500  
TJ = 25°C  
IZ(ms) = 0.1IZ(dc)  
f = 60Hz  
TJ = 25°C  
IZ(ms) = 0.1IZ(dc)  
f = 60Hz  
IZ = 1.0mA  
5.0mA  
200  
100  
50  
200  
100  
70  
47V  
50  
20mA  
27V  
20  
20  
10  
10  
7
5
5.0  
0.8V  
2
1
1.0  
2.0  
1.0  
2.0 3.0  
5.0 7.0 10  
20 30  
50 70 100  
0.1 0.2  
0.5 1.0 2.0  
5.0 10  
20  
50 100  
IZ, ZENER CURRENT (mA)  
IZ, ZENER CURRENT (mA)  
Fig. 6-EFFECT OF ZENER CURRENT ON ZENER  
IMPEDANCE  
Fig. 7-EFFECT OF ZENER VOLTAGE ON ZENER  
IMPEDANCE  
Comchip Technology Corporation • Tel: 510-657-8671 • Fax: 510-657-8921 • www.comchiptech.com  
MDS0208021B  
Page 4  
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