CZRMF4747A-HF Datasheet, PDF (1/4 Pages) Comchip Technology – SMD Zener Diode

SMD Zener Diode
CZRMF4747A-HF
Zener Voltage: 20 Volts
DC Power: 1 Watts
RoHS Device
Halogen Free
Features
- Glass passivated chip.
- Low leakage current.
- Built-in strain relief.
- Low inductance.
- High peak reverse power dissipation.
- For use in stabilizing and clipping
with high power rating.
Mechanical data
- Case: Molded plastic.
- Epoxy: UL 94V-0 rate flame retardant.
- Lead: Solderable per MIL-STD-750, method 2026.
- Polarity: Color band denotes cathode end
except bipolar.
- Mounting position: Any.
- Weight: 0.062 grams (approx.).
SOD-123FL/SMF
0.047(1.20)
0.028(0.70)
0.114(2.90)
0.102(2.60)
0.154(3.90)
0.138(3.50)
0.075(1.90)
0.063(1.60)
0.051(1.30)
0.037(0.95)
0.010(0.25)
0.002(0.05)
0.033(0.85)
0.014(0.35)
Dimensions in inches and (millimeter)
Circuit diagram
Maximum Rating (at TA=25°C unless otherwise specified)
Parameter
Conditions
Symbol _Value
Unit
DC power dissipation
TL=50°C (note.1)
PD
1
W
Forward voltage
IF=200mA
VF
1.2
V
Thermal resistance
Junction to ambient air (note.2) RθJA
170
K/W
Junction temperature range
TJ
-55 to +175 °C
Storage temperature range
TSTG
-55 to +175 °C
Notes: 1.TL = Lead temperature at 3/8”(9.5mm) from body.
2.Valid provided that leads are kept at ambient temperature at a distance of 10mm from case.
Electrical Characteristics (at TA=25°C unless otherwise specified)
Part Number
Nominal Zener
Voltage
VZ@IZT IZT
V
mA
Maximum Zener
Impedance
ZZT@IZT ZZK@IZK IZK
Ω
Ω mA
Maximum Reverse
Leakage Current
IR@VR
µA
V
Maximum
DC Zener
Current
IZM
mA
Maximum
Surge
Current
IRM
mApk
Device
marking
code
CZRMF4747A-HF 20 12.5 22
750 0.25 0.10 15.2
45
225 47A
Notes: 1. The type number listed have a standard tolerance on the nominal zener voltage of ± 5%
2. The reverse surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent
sine wave superimposed on IZT per JEDEC method.
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ012
Comchip Technology CO., LTD.
REV:A
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