CD4148WP CHENDA | Alldatasheet

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Technical content

FEATURES

Silicon epitaxial planar diode SMD chip pattern, available in various dimension included 0805 & 0603 Leadfree and RoHS compliance components For small signal switching and operat ing ambient temperature less than 55 o C and voltage withstand less than 60V; not suitable for AC switching inpu t as rectified circuit and high reverse voltage location. CD4148WN is suitable for those application MECHANICAL CHARACTERISTICS Size: 1206 Weight: approx. 10mg Marking: Cathode terminal DIMENSIONS Dimension/mm 1206 L 3.2±0.2 W 1.5±0.2 T 0.85±0.1 C 0.55±0.2 THERMAL CHARACTERISTICS Parameter at T amb =25 o C Symbol Value Unit 400 mW Forward Power Dissipation Power derating above 25 o C P tot 3.2 mW/ o C Junction Temperature T j 150 o C Thermal Resistance Junction to Ambient air R θJA 375 o C/W Operating& Storage Temperature range T stg -55 to 150 o C 1) Valid provided that electrodes are kept at ambient temperature.

=25 o C Symbol Value Unit Repetitive Peak Reverse Voltage V RRM 75 V Average rectified current sin half wave rectification with resistive load I F(AV) 150 mA Repetitive Peak Forward Current at T amb =25°C I FRM 300 mA N o n - R e p e t i t i v e S u r g e F o r w a r d C u r r e n t at t<1s and T j =25 o C 500 mA at t≦8.3ms and T j =25 o C I FSM 1000 mA 1) Valid provided that electrodes are kept at ambient temperature.

ELECTRICAL CHARACTERISTICS

=25 o C Symbol Value Unit Forward Voltage at I F =10mA 1.0 MAX V a t I F =100mA V F 1.25 MAX V Leakage Current at V R =20V 0.025 MAX uA Leakage Current at V R =75V I R MAX uA Capacitance at V R =0V, f=1MHz C tot MAX pF Reverse Recovery Time at I F R =10mA,R L 100Ω t rr MAX ns 1) Valid provided that electrodes are kept at ambient temperature. TYPICAL CHARACTERISTICS F i g u r e 1 . F o r w a r d C h a r a c t e r i s t i c Figure 2. Power De-rating 100 200 300 400 500 0 20 40 60 80 100 120 140 160 180 200 Tamb-Ambient Temperature/oC Ptot-Admissible Power Dissipation/ mW The cruve g ra p h is for reference onl y , can't be the basis for j ud g ment 曲线图仅供参考

Figure 3. Forward Current De-r a t i n g Figure 4. Reverse Voltage De-rating

APPLICATIONS

„ Function: suit for small signal switching application „ Typical Application circuit: „ Typical Product field: General application except high reverse voltage location „ Soldering Condition: Soldering Condition & Caution ■ Recommended Soldering Condition (Refer to IPC/JEDE C J-STD-020D 4-1&5.2) Recommended Profile Condition Sn-Pb Soldering Leadfree Soldering Wave Soldering Ramp-up rate (from pre-heat stage) <3 o C/s <3 o C/s △T<150 o C Pre-heat Temperature & Time 100-150 o C 60-120s 150-200 o C 60-120s 100-150 o C 60-120s Soldering Temperature & Time 183 o C 60-150s 217 o C 60-150s 260±5 o C 5±2s Peak Temperature 230±5 o C <260 o C 245±5 o C <260 o C 260±5 o C Time within 5 o C of peak temperature 10-20s 20-30s - Ramp-down rate <6 o C/s <6 o C/s <6 o C/s Time 25 o C to peak temperature <6min <8min - Manual Soldering: Approx. 350 o C for 3s, avoid solder iron tip direct touch the components body Switching Diode CD4148WP

Recommended Soldering Profile Fig1: Reflow soldering profile for lead-free solder (SnAgCu) Fig2: Wave soldering profile *1. The recommended profiles are referring to IPC/JEDEC J-STD-020D & IEC-60068-2-58 *2. Chip diodes are able to stand maximum soldering temperature up to 260 o C max for 10s, and the soldering cycles with max 3 times, referring to IEC-60068-2-58 t/s o C t/s o C Switching Diode CD4148WP

„ Recommended Soldering Footprint: Reflow/Wave Soldering Dimension/ mm Product Size A B C D 1206 „ Storage Condition: Product termination solderability can degrade due to high temperature and humidity or chemical environment. Storage condit ion must be in an ambient temperature of <40 o C and ambient humidity of <75%RH, and free from chemical. ENVIRONMENTAL CHARACTERISTICS Hazardous Substance or Element/ppm Pb Cd Hg Cr PBB PBDE Product <1000 <100 <1000 <1000 <1000 <1000 Halogen Substance/ ppm F Cl Br I Total Product <900 <900 <900 <900 <1500 PACKING METHOD Quality/Reel Reel Size Tape Product 5,000pcs 7” Paper DISCLAIMERS These products are not designed for use in applicatio ns where any failure or malfunction may resulted in personal injury, death or severe property or enviro nmental damage such as medical, military, aircraft, space or life support equipments. Switching Diode CD4148WP