ECCR203NS E-CMOS | Alldatasheet

Document overview

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Technical content

Features

Low start-up stabilized current supply voltage. ◆ Low profile package. ◆ High dynamic impedance. Ϭ Constant-current range: 20mA Ϭ Be paralleled for current extension. Ϭ Negative temperature coefficient for LED protection under high temperature. Ϭ Suffix "-H" indicates Halogen-free part, ex.ECCR203NSHR. Mechanical Data Ϭ Epoxy : UL94-V0 rated flame retardant Ϭ Case : Molded plastic, SOD-323S Ϭ Terminals :Plated terminals, solderable per MIL-STD-750, Method 2026 Ϭ Polarity : Indicated by cathode band Ϭ Mounting Position : Any Ϭ Weight : Approximated 0.004 gram Maximum Ratings (T A=25кк кк unless otherwise noted) Note 1:Pulse wave width 300us Parameter Symbol MIN. TYP. MAX. Unit Rating power PD 300 mW Rating voltage (Pulse wave) Note 1 VRM 50 V Reverse current IR 50 mA Operating junction temperature range TJ -30 +125 к Storage temperature range TSTG -30 +125 к

300mW Surface Mount Current Regulative Diodes - 20mA E-CMOS Corp. ( www.ecmos.com.tw ) Page 2 of 5 4K11N-Rev. F001 ECCR203NS

Electrical Characteristics

Pinch-off current*1 Limiting current*2 Part No. Marking code Test Voltage (V) Ip(mA) Typical MIN. MAX. VK (V) IK (mA) Limiting Currentratio I50V /Ip Temperature*3 Coefficient (% / ℃) Maximum Rating Voltage (Vmax) ECCR203NSR ECCR203NSHR Note : *1 Ip is measured after applying the test voltage for 10 secs duration *2 Pinch-off current limiting current are by impulse wave at 25 OC *3 Temperature coefficient is measured between 25 OC and 50 OC Basic Characteristics Rating and characteristic curves

300mW Surface Mount Current Regulative Diodes - 20mA E-CMOS Corp. ( www.ecmos.com.tw ) Page 3 of 5 4K11N-Rev. F001 ECCR203NS ECCR203NS 18K Ω

300mW Surface Mount Current Regulative Diodes - 20mA E-CMOS Corp. ( www.ecmos.com.tw ) Page 4 of 5 4K11N-Rev. F001 ECCR203NS Pinning information Pin Simplified outline Symbol Pin1 cathode Pin2 anode Suggested solder pad layout

300mW Surface Mount Current Regulative Diodes - 20mA E-CMOS Corp. ( www.ecmos.com.tw ) Page 5 of 5 4K11N-Rev. F001 ECCR203NS Reel packing