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1SMA4748 Datasheet PDF


Part Number 1SMA4748
Manufacturer UPM
Title SURFACE MOUNT SILICON ZENER DIODE
Description UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Features * For surface mounted applications in...
Features * For surface mounted applications in order to optimize board space. * Low profile package * Built-in strain relief * Glass passivated junction * Low inductance * Typical IR less than 5.0 above 11V * Plastic package has Underwriters Laboratory Flammability Classification 94V-O * High temperature sol...

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Datasheet 1SMA4748 PDF File








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1SMA4740 : 1SMA4737-1SMA200Z 1.0Watts Surface Mount Silicon Zener Diode SMA/DO-214AC Features For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical IR less than 5.0uA above 7.5V High temperature soldering guaranteed: 260oC / 10 seconds at terminals Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Mechanical Data 0.063(1.60) 0.051(1.30) 0.096(2.45) 0.078(2.00) 0.059(1.50) 0.035(0.90) 0.181(4.60) 0.161(4.10) 0.108(2.75) 0.096(2.45) 0.209(5.30) 0.193(4.90) 0.012(0.30) 0.006(0.15) 0.008(0.20) 0.002(0.05) Case: Molded plastic over passivated junction Polarity:Color Ba.

1SMA4740 : CREAT BY ART 1.0 Watt Surface Mount Silicon Zener Diodes SMA/DO-214AC Features — — — — — — — — — — For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical IR less than 1uA above 11V High temperature soldering guaranteed: 260℃ / 10 seconds at terminals Meet MSL level 1, per J-STD-020D, lead free maximum peak of 260℃ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Green compound with suffix "G" on packing code & prefix "G" on datecode Case: Molded plastic over passivated junction Terminals: Pure tin plated lead free, solderable per MIL-STD-750, Method 2025 Polari.

1SMA4740 : Power Dissipation @ Ta=50ºC Derate Above 50ºC Peak Forward Surge Current, 8.3ms Single Half Sine-Wave Superimposed on Rated Load Operating Junction and Storage Temperature Range SYMBOL *PD VALUE 1.0 6.67 UNIT W mW/ºC A °C **IFSM Tj, Tstg 10 - 55 to +150 * Mounted on 5.0mm2 ( 0.013mm thick) land areas ** Measured on 8.3ms, and single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum ELECTRICAL CHARACTERISTICS (Ta=25°C unless specified otherwise) VF @ 200mA 1.2V Zener Impedance Zener Voltage Reverse Leakage VZ @ IZT ZZT @ IZT ZZK @ IZK IR @ VR Device # (V) +/- 5% (mA) (mA) (V) (Ω ) (Ω ) (µ A) Nom. V min max max max max 4.7 4.50 4.90 8.0 500 1.0 10 1.0 1SMA.

1SMA4740 : 1SMA4728 thru 1SMA4764 ® Pb Free Plating Product 1SMA4728 thru 1SMA4764 Pb 1.0 Watt Surface Mount Type Silicon Zener Diodes (3.3Volt thru 100Volt) FEATURES • For surface mounted applications in order to optimize board space. • Built-in strain relief • Low inductance • Typical IR less than 5.0µA above 11V • Plastic package has Underwriters Laboratory Flammability Classification 94V-O • High temperature soldering : 260°C /10 seconds at terminals • Low profile package • Glass passivated junction SMA/DO-214AC Unit: inch (mm) .062(1.60) .047(1.20) .181(4.60) .157(4.00) .012(.305) .006(.152) .096(2.44) .078(2.00) • In compliance with EU RoHS 2002/95/EC directives MECHANICALDATA • Case.

1SMA4740 : The 1SMA4728 ~1SMA4777 are available in SMA Package. ORDERING INFORMATION Package Type Part Number 1SMA4728 1SMA4753 1SMA4729 1SMA4754 1SMA4730 1SMA4755 1SMA4731 1SMA4756 1SMA4732 1SMA4757 1SMA4733 1SMA4758 1SMA4734 1SMA4759 1SMA4735 1SMA4760 1SMA4736 1SMA4761 1SMA4737 1SMA4762 1SMA4738 1SMA4763 1SMA4739 1SMA4764 SMA 1SMA4740 1SMA4765 1SMA4741 1SMA4766 1SMA4742 1SMA4767 1SMA4743 1SMA4768 1SMA4744 1SMA4769 1SMA4745 1SMA4770 1SMA4746 1SMA4771 1SMA4747 1SMA4772 1SMA4748 1SMA4773 1SMA4749 1SMA4774 1SMA4750 1SMA4775 1SMA4751 1SMA4776 1SMA4752 1SMA4777 Note SPQ: 5,000pcs/Reel AiT provides all RoHS Compliant Products FEATURE  Total Power Di.

1SMA4740 : SMD Type ■ Features Zener Diodes 1SMA4728~4764 Diodes 2.126 1.397 2 4.597 3.988 5.668 4.925 Unit: mm 4.32 4.12 2.896 2.22 1 2.489 2.02 2.438 1.981 2.75 2.55 5.87 5.67 Recommended Land Pattern 1.524 0.762 0.203 0.051 0.305 0.152 ■ Absolute Maximum Ratings Ta = 25℃ Parameter Peak forward surge current Power Dissipation Junction Temperature Storage temperature range Symbol IFM Pd TJ Tstg Rating 10 1.0 150 -55 to 150 Unit A W ℃ 1 SMD Type 1SMA4728~4764 ■ Electrical Characteristics Ta = 25℃ Part Number VZ @ IZT Nom. V Min. V Max. V 1.0 Watt ZENER Diodes -- continued 1SMA4728 3.3 3.1 3.5 1SMA4729 3.6 3.4 3.8 1SMA4730 3.9 3.7 4.1 1SMA4731 4.3 4.1 4.5 1SMA4732 4.7 4..

1SMA4740 : 1SMA4728~ZS330A 1W SURFACE MOUNT SILICON ZENER DIODE FEATURES  LOW PROFILE PACKAGE  BUILT-IN STRAIN RELIEF  LOW INDUCTANCE  HIGH TEMPERATURE SOLDERING:260°C/10 SECONDS AT TERMINALS  PLASTIC PACKAGE HAS UNDERWRITERS FLAMMABILITY CLASSIFICATION 94V-O LABORATORY MECHANICAL DATA  CASE:MOLDED PLASTIC  TERMINALS:SOLDER PLATED  POLARITY:INDICATED BY CATHODE BAND  WEIGHT:0.066GRAMS  Pb Free:1SMA4728 ~ ZS330A Halogen Free: 1SMA4728-H ~ ZS330A-H CASE:DO-214AC(SMA) DIMENSIONS IN MILLIMETERS AND (INCHES) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED PARAMETER SYMBOL MAXIMUM POWER DISSIPATION JUNCTION TEMPERATURE STORAGE T.

1SMA4740 : F.E.C. Semiconductor IV. Zener Diode SMD Zener Diode (1.0 Watt) 1SMA4728~1SMA200A FEATURES For surface mounted applications in order to optimize board space. Built-in strain relief. Glass passivated junction. Low inductance. Typical IR less than 5.0µA above 11V. High temperature soldering guaranteed: 260 /10 seconds at terminals. Plastic package has Underwriters Laboratory Flammability Classification 94V-0. MECHANICAL DATA Case : Molded plastic over passivated junction Terminals : Solder plated solderable per MIL-STD-750, Method 2026 Polarity : Color band denotes cathode Weight : 0.058 grams (Package: SMA (DO-214AC)) 0.087 (2.21) 0.051 (1.29) 0.110(2.80) 0.086(2.18) 0.096(2.42) 0.067(1.7.

1SMA4740A : SURFACE ZENER DIODE RoHS 1SMA4737A Thru 1SMA200ZA 1.25 Watts FEATURES • For surface mounted applications • Low profile package • Glass passivated junction • Low inductance • Typical IR less than 5.0µA above 7.5V • High temperature soldering guaranteed: 260oC / 10 seconds at terminals • UL 94V-0 Rated MECHANICAL DATA • Molded plastic body (UL 94 V-0 Rated) • Polarity: Color Band denotes Cathode end • Standard Packaging: 12mm Tape • Weight: 0.064 grams 0.063(1.60) 0.051(1.30) 0.181(4.60) 0.161(4.10) 0.108(2.75) 0.096(2.45) 0.209(5.30) 0.193(4.90) 0.096(2.45) 0.078(2.00) 0.059(1.50) 0.035(0.90) 0.012(0.30) 0.006(0.15) 0.008(0.20) 0.002(0.05) SMA / DO-214AC Dimensions in millimeters M.

1SMA4740A : ® WON-TOP ELECTRONICS Features  Glass Passivated Die Construction  1.0W Power Dissipation  3.3V – 330V Nominal Zener Voltage  5% Standard Vz Tolerance  Low Inductance  For Use in Voltage Regulator or Reference  Plastic Case Material has UL Flammability Classification Rating 94V-0 A C Mechanical Data  Case: SMA/DO-214AC, Molded Plastic  Terminals: Solder Plated, Solderable per MIL-STD-750, Method 2026  Polarity: Cathode Band  Marking: Device Code  Weight: 0.064 grams (approx.)  Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 5 1SMA4728A – SZ1330A 1.0W SURFACE MOUNT ZENER DIODE Pb B F H G E SMA/DO-214AC Dim Min Max A 2.29 2.92 B 4.00 .

1SMA4740A : 1SMA4728A-1SMA4764A VZ : 3.3 - 100Volts PD : 1 Watt FEATURES : * Complete voltage range 3.3 to 100 volts * High peak reverse power dissipation * High reliability * Low leakage current * Standard zener voltage tolerance is ± 5%. * Pb / RoHS Free SURFACE MOUNT ZENER DIODES SMA (DO-214AC) 5.0 ± 0.15 4.5 ± 0.15 1.1 ± 0.3 1.2 ± 0.2 2.6 ± 0.15 2.1 ± 0.2 0.2 ± 0.07 MECHANICAL DATA * Case : SMA (DO-214AC) Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Lead formed for Surface mount * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.064 gram 2.0 ± 0.2 Dimensions in millimeter MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise s.

1SMA4740A : Zener Diodes 1W 1SMA4728A to 1SMA4764, SMA Dim Millimeters Min A 3.99 B 2.54 C 1.25 SMA D 0.152 E 4.93 F ---G 1.98 H 0.76 Max 4.50 2.79 1.65 0.305 5.28 0.203 2.29 1.52 Inches Min 0.157 0.100 0.049 0.006 0.194 ---0.078 0.030 Max 0.177 0.110 0.065 0.012 0.208 0.008 0.090 0.060 WWW.SEMITECH.CN http://www.Datasheet4U.com 6 .

1SMA4740A : 1SMA4738A thru 1SMA4764A Surface Mount Zener Diodes Vz Range:8.2 to 100V Power Dissipation:1W Features ■ Silicon power zener diodes ■ For use in stabilizing and clipping circuits with high power rating. ■ Suffix”A” for ±5% tolerance. Package: DO-214AC (SMA) Maximum Rating (TA=25°C unless otherwise specified) Parameter Zener Current Power Dissipation at TL=70°C JunctionTemperature Storage Temperature Range Symbol Ptot TJ TS Value See Next Page 1 150 -55to+150 Unit W °C °C Typical Thermal Resistance (Note1) RθJA RθJL 125 30 Note1: Thermal resistance from junction to ambient & lead, mounted on PCB with 5.0×5.0mm copper pads °C/W °C/W Electrical Charateristics (TA=25°C unless otherw.

1SMA4740A : Features * Complete voltage range 3.3 to 100 volts * High peak reverse power dissipation * High reliability * Low leakage current * Standard zener voltage tolerance is ± 5% 1SMA4728A THRU 1SMA4764A Surface Mount Zener Diodes AC B G D E F Cathode Band H SMA INCHES DIM MM MIN MAX MIN MAX A 0.078 0.090 1.98 2.29 B 0.052 0.058 1.32 1.47 C --- 0.008 --- 0.20 D 0.030 0.052 0.76 1.32 E 0.193 0.208 4.90 5.28 F 0.157 0.177 3.99 4.50 G 0.006 0.012 0.152 0.305 H 0.100 0.110 2.54 2.79 Mechanical Data * Case : SMA (DO-214AC) Molded plastic * Epoxy : UL94V-0 rate flame retardant * Lead : Lead formed for Surface mount * Polarity : Color band denotes cathode en.

1SMA4740A : 60$$60$$ 9ROWDJH 5DQJH  WR9 &XUUHQWWR$ 685)$&(02817*/$663$66,9$7('&+,3-81&7,21=(1(5',2'(6 )($785(6 ͈ &RPSOHWHYROWDJHUDQJHWRYROWV ͈+LJKSHDNUHYHUVHSRZHUGLVVLSDWLRQ ͈+LJKUHOLDELOLW\LQDFFRUGDQFHZLWK$(&4VWDQGDUG ͈/RZOHDNDJHFXUUHQW ͈ 6WDQGDUG]HQHUYROWDJHWROHUDQFHLV“ ͈ 3E5R+6)UHH 0(&+$1,&$/'$7$ ͈ &DVH60$0ROGHGSODVWLF ͈ (SR[\8/92UDWHIODPHUHWDUGDQW ͈ 3RODULW\&RORUEDQGGHQRWHVFDWKRGHHQG ͈ 0RXQWLQJSRVLWLRQ$Q\ ͈ :HLJKWJUDP $SSUR[LPDWHO\ SMA(DO-214AC) 0.114(2.9) 0.100(2.54) 0.065(1.65) 0.049(1.25) 0.096(2.44) 0.078(1.98) 0.181(4.60) 0.157(3.99) 0.01.

1SMA4741 : UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Features * For surface mounted applications in order to optimize board space. * Low profile package * Built-in strain relief * Glass passivated junction * Low inductance * Typical IR less than 5.0 above 11V * Plastic package has Underwriters Laboratory Flammability Classification 94V-O * High temperature soldering : 260°C /10 seconds at terminals * Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above .062(1.60) .047(1.20) SMA/DO-214AC .114(2.90) .098(2.50) .181(4.60) .157(4.00) .012(.305) .006(.152) .096(2.44) .078(2.00) Mechanical Data Ca.

1SMA4741 : 1SMA4737-1SMA200Z 1.0Watts Surface Mount Silicon Zener Diode SMA/DO-214AC Features For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical IR less than 5.0uA above 7.5V High temperature soldering guaranteed: 260oC / 10 seconds at terminals Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Mechanical Data 0.063(1.60) 0.051(1.30) 0.096(2.45) 0.078(2.00) 0.059(1.50) 0.035(0.90) 0.181(4.60) 0.161(4.10) 0.108(2.75) 0.096(2.45) 0.209(5.30) 0.193(4.90) 0.012(0.30) 0.006(0.15) 0.008(0.20) 0.002(0.05) Case: Molded plastic over passivated junction Polarity:Color Ba.




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