CZR4728-G Thru CZR4764-G Voltage: 3.3 to Volts Power:. 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. DO-24C/SM.96(4.9).8(4.5).2(.3) Typ..6(2.7).9(2.3) Mechanical data -Epoxy: UL94V- rated flame retardant. -Case: Molded plastic, JEDEC DO-24C/SM -Terminals: Solder Plated,solderable per MIL-STD-75,method 226. -Polarity: Indicated by cathode band. -Mounting position: ny. -Weight:.5 gram(approx.)..32(.8)typ. Dimensions in inches and (millimeter).68(.7).6(.5).32(.8)typ. Maximum Ratings (T=25 C, unless otherwise noted) Parameter Condition Symbol MIN. TYP. MX. Units Forward voltage IF = 2 m VF.2 V Power Dissipation @TL = 75 C PD mw Thermal resistance Junction to case (Note ) Junction to ambient (Note ) RθJC RθJ 3 5 C/W C/W Operating temperature TJ -55 +5 C Storge temperature TSTG -65 +75 C Note:.Mounted on.2 x.2 (5x5mm)FR-4 PCB. Page
Electrical Characteristics ( at T = 25 C unless otherwise noted) Part Number Marking Code Zener Voltage Volts Test Current IZT m Zener Impedance Leakage Current Surge Current ZZT @ IZT ZZK @ IZK IZK IR VR Isurge ohms ohms m u Volts m CZR4728-G Z3V3 3.3 76 4.. 38 CZR4729-G Z3V6 3.6 69 4.. 26 CZR473-G Z3V9 3.9 64 9 4. 5. 9 CZR473-G Z4V3 4.3 58 9 4.. 7 CZR4732-G Z4V7 4.7 53 8 5.. 97 CZR4733-G Z5V 5. 49 7 55.. 89 CZR4734-G Z5V6 5.6 45 5 6. 2. 8 CZR4735-G Z6V2 6.2 4 2 7. 3. 73 CZR4736-G Z6V8 6.8 37 3.5 7. 4. 66 CZR4737-G Z7V5 7.5 34 4 7.5 5. 65 CZR4738-G Z8V2 8.2 3 4.5 7.5 6. 55 CZR4739-G Z9V 9. 28 5 7.5 7. 5 CZR474-G Z 25 7 7.25 7.6 454 CZR474-G Z 23 8 7.25 5 8.4 44 CZR4742-G Z2 2 2 9 7.25 5 9. 38 CZR4743-G Z3 3 9 7.25 5 9.9 344 CZR4744-G Z5 5 7 4 7.25 5.4 34 CZR4745-G Z6 6 5.5 6 7.25 5 2.2 285 CZR4746-G Z8 8 4 2 75.25 5 3.7 25 CZR4747-G Z2 2 2.5 22 75.25 5 5.2 225 CZR4748-G Z22 22.5 23 75.25 5 6.7 25 CZR4749-G Z24 24.5 25 75.25 5 8.2 9 CZR475-G Z27 27 9.5 35 75.25 5 2.6 7 CZR475-G Z3 3 8.5 4.25 5 22.8 5 CZR4752-G Z33 33 7.5 45.25 5 25. 35 CZR4753-G Z36 36 7. 5.25 5 27.4 25 CZR4754-G Z39 39 6.5 6.25 5 29.7 5 CZR4755-G Z43 43 6. 7 5.25 5 32.7 Page 2
Electrical Characteristics ( at T = 25 C unless otherwise noted) Part Number Marking Code Zener Voltage Volts Test Current IZT m Zener Impedance Leakage Current Surge Current ZZT @ IZT ZZK @ IZK IZK IR VR Isurge (Ω)Max (Ω)Max m (u)max Volts m CZR4756-G Z47 47 5.5 8 5.25 5 35.8 95 CZR4757-G Z5 5 5. 95 5.25 5 38.8 9 CZR4758-G Z56 56 4.5 2.25 5 42.6 8 CZR4759-G Z62 62 4. 25 2.25 5 47. 7 CZR476-G Z68 68 3.7 5 2.25 5 5.7 65 CZR476-G Z75 75 3.3 75 2.25 5 56. 6 CZR4762-G Z82 82 3. 2 3.25 5 62.2 55 CZR4763-G Z9 9 2.8 25 3.25 5 69.2 5 CZR4764-G Z 2.5 35 3.25 5 76. 45 Note: 5% tolerance of Zener voltage. RTING ND CHRCTERISTIC CURVES (CZR4728-G Thru. CZR4764-G) Maximum Power Dissipation, (W)..75.5.25 Fig. - Max. Continuous Power Derating 6 Hz resistive or inductive load Peak Surge Power, (W) Fig.2 - Maximum surge power. 25 5 75 25 5.. 5% Duty Cycle % Duty Cycle 2% Duty Cycle Rectangular waveform TJ-25 C Prior to initial pulse V-9V Non-Repetitive Lead Temperature, TL ( C) Pulse Width, (ms) Page 3
RTING ND CHRCTERISTIC CURVES ( CZR4728-G Thru. CZR4764-G) FIG 3. Range for Units to 2 Volts FIG 3B. Range for Units 2 to Volts Temperature Coefficient, (mv/ C) 2 8 6 4 2-2 Range -4 2 3 4 5 6 7 8 9 Zener Voltage, (V) 2 Temperature Coefficient, (mv/ C) Range 5 Zener Voltage, (V) FIG 4. Temperature Coefficients (-55 C to +5 C temperature change ; 9% of the units are in the ranges indicated.) Junction to lead thermal, (mv/ C/W) 75 5 25 75 5 25..2.3.4.5.6.7.8.9. Lead length to heat sink, (Inches) Temperature Coefficient, (mv/ C) 6 4 2-2 -4 O T=25 C m 2m Note: Below 3V and above 8V changes in Zener Voltage do not affect temperature 3 4 5 6 7 8 Zener Voltage, (V).m FIG 5. Typical Thermal Resistance Versus Lead 4 FIG 6. Effect of Zener Current Dynamic impedance, (OHMs) IZ=m IZ=5m IZ=2m TJ=25 C IZ(ms)=.IZ(do) f=6hz Capacitance, (pf) 5% of breakdown bias 4 V bias V bias Zener Current,(m) Nominal Vz, (V) Page 4
s Reel Taping Specification P P d Index hole E T B P F W C 2 o D2 D D W Trailer Device Leader End Start pitches (min) pitches (min) Direction of Feed DO-24C (SM) SYMBOL (mm) (inch) 2.8 ±. 5. ±.. ±.4 B C d D D D2.9 ±..5 ±. 78. ± 2. 62. MIN. 3. ±.5.2 ±.4.75 ±.4.59 ±.4 7.8 ±.79 2.44 MIN..52 ±.2 DO-24C (SM) SYMBOL E F P P P W W (mm).75 ±. 5.5 ±. 4. ±. 4. ±. 2. ±. 2. ±.3 8. ±. (inch).69 ±.4.26 ±.4.57 ±.4.57 ±.4.79 ±.4.472 ±.2.79 ±.39 Comchip Technology CO., LTD. Page 5
Pinning information Pin Simplified outline Symbol PIN Cathode PIN 2 node 2 2 Marking Code Part Number CZR4728-G ~ CZR4764-G Marking Code XXXX XXXX Product type marking code (see page.2~3) Suggested PD Layout SIZE DO-24C (SM) (mm) (inch) D 3.8.5 E B C.6 2.8.63. C D 5.4.23 E 2.2.87 B Standard Packaging Case Type DO-24C (SM) REEL ( pcs ) 2, REEL PCK Reel Size (inch) 7 Comchip Technology CO., LTD. Page 6