www.eicsemi.com SMAJLCE28CA~30CA SURFACE MOUNT LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR Stand-off Voltage : 28 ~ 30 V Peak Pulse Power : 1500 W SMA 2.3 2.1 FEATURES : 1.5 1.1 4.6 4.2 5.65 5.35 * Bi-directional transient voltage suppressor * 1500W peak pulse power capability with a 10/1000µs waveform * Low junction capacitance * Excellent clamping capability * Very fast response time * Pb / RoHS Free 0.2 2.5 2.1 2.9 2.5 0.27 0.13 MECHANICAL DATA * Case : SMB Molded plastic * Epoxy : UL94V-0 rate flame retardant * Lead : Lead Formed for Surface Mount * Mounting position : Any * Weight : 0.108 gram 2.1 1.7 Dimensions in millimeters MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified. Rating Symbol Value Units PPPM Minimum 1500 W Peak Pulse Current on 10/1000µs waveform (1) IPPM See Table A Typical Thermal resistance, Junction to ambient RӨJA 100 °C/W TJ, TSTG - 55 to + 150 °C Peak Pulse Power Dissipation on 10/1000µs waveform (1)(2) Operating Junction and Storage Temperature Range ELECTRICAL CHARACTERISTICS (Rating at 25 °C ambient temperature unless otherwise specified) Breakdown Voltage @ IT Type No. VBR (V) Min. Max. (3) Reverse Maximum Maximum Maximum Maximum Stand-off Reverse Leakage @ VRWM Peak Pulse Clamping Voltage @ IPPM Junction Capacitance VC @ 0 Volt IT Voltage VRWM IR Surge Current IPPM (mA) (V) (µA) (A) SMAJLCE28CA 31.1 35.1 1 28 5 SMAJLCE30CA 33.3 37.5 1 30 5 (V) pF 32 47.5 100 30 50.4 100 Notes: (1) Non-repetitive Current pulse and derated above Ta = 25 °C (2) Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal. (3) Pulse test : tp ≤ 50ms. (4) "SMAJLC" will be omitted in marking on the diode. Page 1 of 2 Rev. 03 : October 3, 2014 www.eicsemi.com RATING AND CHARACTERISTIC CURVES ( SMAJLCE28CA~30CA ) FIG.2 - PEAK PULSE POWER RATING CURVE 100 100 80 PP,PEAK POWER (kW) PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT FIG.1 - PULSE DERATING CURVE 60 40 20 0 0 25 50 75 100 150 125 10 1.0 0.1 0.1µs 175 Ta, TEMPERATURE (°C) 1.0µs 10µs 100µs 1.0ms 10ms td, PULSE WIDTH, SEC. IPPM, PEAK PULSE CURRENT, % FIG.3 - PULSE WAVEFORM tr = 10µs 100 Peak Value IPPM Ta=25 °C Pulse Width (td) is defined as that point where the peak current decays to 50% of IPPM Half Value - IPPM 2 50 10/1000ms. Waveform as defined by R.E.A. 0 td 0 1.0 2.0 3.0 4.0 t, TIME(ms) Page 2 of 2 Rev. 03 : October 3, 2014