CMPP6027 CMPP6028 www.centralsemi.com SURFACE MOUNT SILICON DESCRIPTION: PROGRAMMABLE UNIJUNCTION The CENTRAL SEMICONDUCTOR CMPP6027 and TRANSISTOR CMPP6028 are silicon programmable unijunction transistors, manufactured in a surface mount SOT-23 package, designed for adjustable (programmable) characteristics such as, valley current (I ), peak current V (I ), and intrinsic standoff ratio (). P MARKING CODES: CMPP6027: P27 CMPP6028: P28 SOT-23 CASE NOTE: Reverse Lead Codes Available, Add R to the end of the Part . MAXIMUM RATINGS: (T =25C) SYMBOL UNITS A Gate-Cathode Forward Voltage V 40 V GKF Gate-Cathode Reverse Voltage V 5.0 V GKR Gate-Anode Reverse Voltage V 40 V GAR Anode-Cathode Voltage V 40 V AK Peak Non-Repetitive Forward Current (t=10s) I 5.0 A TSM Peak Repetitive Forward Current (t=20s, D.C.=1.0%) I 2.0 A TRM Peak Repetitive Forward Current (t=100s, D.C.=1.0%) I 1.0 A TRM DC Forward Anode Current I 150 mA T DC Gate Current I 50 mA G Power Dissipation (Note 1) P 167 mW D Storage Temperature T -55 to +150 C stg Operating Junction Temperature T -50 to +100 C J Thermal Resistance (Note 1) 450 C/W JA ELECTRICAL CHARACTERISTICS: (T =25C unless otherwise noted) A CMPP6027 CMPP6028 SYMBOL TEST CONDITIONS MIN MAX MIN MAX UNITS I V=40V 10 10 nA GAO S I V=40V 50 50 nA GKS S I V =10V, R =1.0M 2.0 0.15 A P S G I V =10V, R =10k 5.0 1.0 A P S G I V =10V, R =1.0M 50 25 A V S G I V =10V, R =10k 70 25 A V S G I V =10V, R =200 1.5 1.0 mA V S G V V =10V, R =1.0M 0.2 1.6 0.2 0.6 V T S G V V =10V, R =10k 0.2 0.6 0.2 0.6 V T S G V I=50mA 1.5 1.5 V F F V V =20V, C=0.2F 6.0 6.0 V O B C t V =20V, C=0.2F 80 80 ns r B C Notes: (1) Mounted on 2 inch square FR-4 PCB with minimum copper pad area. R3 (19-December 2012)CMPP6027 CMPP6028 SURFACE MOUNT PROGRAMMABLE UNIJUNCTION SILICON TRANSISTOR SOT-23 CASE - MECHANICAL OUTLINE 21 3 LEAD CODE: STANDARD *REVERSE 1) Cathode 1) Anode 2) Anode 2) Cathode 3) Gate 3) Gate MARKING CODES: CMPP6027: P27 CMPP6028: P28 * Reverse Lead Code Available, Add R to the end of the Part . R3 (19-December 2012) www.centralsemi.com