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부품번호 | CZRA4738-G 기능 |
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기능 | SMD Zener Diode | ||
제조업체 | Comchip Technology | ||
로고 | |||
전체 6 페이지수
SMD Zener Diode
CZRA4728-G Thru CZRA4764-G
Voltage: 3.3 to 100 Volts
Power: 1.0 Watts
RoHS Device
Features
-Batch process design, excellent power dissipation
offers better reverse leakage current and thermal
resistance.
-Standard zener voltage tolerance ±5%.
-Low inductance.
-Low profile package.
-Built-in strain relief.
Mechanical data
-Epoxy: UL94V-0 rated flame retardant.
-Case: Molded plastic, JEDEC DO-214AC/SMA
-Terminals: Solder Plated,solderable per
MIL-STD-750,method 2026.
-Polarity: Indicated by cathode band.
-Mounting position: Any.
-Weight: 0.05 gram(approx.).
DO-214AC/SMA
0.196(4.9)
0.180(4.5)
0.012(0.3) Typ.
0.106(2.7)
0.091(2.3)
0.032(0.8)Typ.
0.068(1.7)
0.060(1.5)
0.032(0.8)Typ.
Dimensions in inches and (millimeter)
Maximum Ratings (TA=25°C, unless otherwise noted)
Parameter
Condition
Symbol
Forward voltage
IF = 200 mA
VF
Power Dissipation
@TL = 75°C
PD
Thermal resistance
Junction to case (Note 1)
Junction to ambient (Note 1)
RθJC
RθJA
Operating temperature
TJ
Storge temperature
TSTG
Note: 1.Mounted on 0.2”x0.2”(5x5mm)FR-4 PCB.
MIN.
-55
-65
TYP.
30
50
MAX. Units
1.20 V
1000
mW
°C/W
°C/W
+150
°C
+175
°C
QW-BZ004
Company reserves the right to improve product design , functions and reliability without notice.
REV:E
Page 1
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES ( CZRA4728-G Thru. CZRA4764-G)
FIG 3A. Range for Units to 12 Volts
12
10
8
6
4
2
Range
0
-2 VZ@IZT
-4
2 3 4 5 6 7 8 9 10 11 12
Zener Voltage, (V)
FIG 3B. Range for Units 12 to 100 Volts
100
10
1
10
Range
50
Zener Voltage, (V)
VZ@IZT
100
FIG 4. Temperature Coefficients (-55°C to +150°C temperature change ; 90% of the units are in the ranges indicated.)
175
150
125
100
75
50
25
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Lead length to heat sink, (Inches)
6
VZ@IZT
TA=25 OC
4
20mA
2
1mA
0
0.01mA
-2
-4
3
Note: Below 3V and above 8V changes
in Zener Voltage do not affect temperature
45
6
Zener Voltage, (V)
7
8
FIG 5. Typical Thermal Resistance
Versus Lead
1000
IZ=1mA
100
IZ=5mA
IZ=20mA
10
1
1
TJ=25 °C
IZ(ms)=0.1IZ(do)
f=60HZ
10 100
Zener Current,(mA)
FIG 6. Effect of Zener Current
400
100
0V bias
1V bias
10
4
1
50% of breakdown
bias
10
Nominal Vz, (V)
100
QW-BZ004
Company reserves the right to improve product design , functions and reliability without notice.
REV:E
Page 4
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부품번호 | 상세설명 및 기능 | 제조사 |
CZRA4738-G | SMD Zener Diode | Comchip Technology |
CZRA4738-G | SMD Zener Diode | Comchip Technology |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |