Current Sense Transformers
Document 915-1
Current Sense Transformers CST4835
• AEC-Q200 Grade 1 qualified (–40°C to +125°C ambient) • Miniature ...
Description
Document 915-1
Current Sense Transformers CST4835
AEC-Q200 Grade 1 qualified (–40°C to +125°C ambient) Miniature SMT design, only 4.5 × 4.8 mm footprint 500 Vrms, one minute isolation (hipot) between windings Designed for use up to 1 MHz to sense continuous currents
to 7 Amps Core material Ferrite Environmental RoHS compliant, halogen free Terminations RoHS compliant silver over nickel over phos bronze. Weight 115 – 122 mg Ambient temperature –40°C to +125°C Maximum part temperature +165°C (ambient + temp rise) Storage temperature Component: –40°C to +165°C. Tape and reel Packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 500/7″ reel; 2200/13″ reel; Plastic tape: 12 mm wide, 0.35 mm thick, 8 mm pocket spacing, 3.6 mm pocket depth PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf.
Turn s (N) Induc tance2 D(CORhmmsa)x
Part number1 pri : sec min (µH)
pri sec
CST4835-020E_ 1 : 20 CST4835-030E_ 1 : 30 CST4835-040E_ 1 : 40 CST4835-050E_ 1 : 50 CST4835-060E_ 1 : 60
33 74 132 205 295
0.003 0.003 0.003 0.003 0.003
0.35 0.90 1.60 2.50 3.60
C...
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