ZXTP25140BFH 140V, SOT23, PNP medium power transistor Summary BV > -180V BV > -140V (BR)CEX (BR)CEO BV > -7V (BR)ECO I = -1A C(cont) R = 180 m typical ce(sat) V < -260mV 1A ce(sat) P = 1.25W D Description C Advanced process capability and package design have been used to maximize the power handling and performance of this small outline transistor. The compact size and ratings of this device make it ideally B suited to applications where space is at a premium. Features E High power dissipation SOT23 package 180V forward blocking voltage Low saturation voltage Applications DC-DC converters High side switching Ordering information Pinout - top view Device Reel size Tape width Quantity per (inches) reel ZXTP25140BFHTA 7 8mm 3,000 Device marking 026 Issue 1 - March 2006 1 www.zetex.com Zetex Semiconductors plc 2006ZXTP25140BFH Absolute maximum ratings Parameter Symbol Limit Unit Collector-base voltage V -180 V CBO Collector-emitter voltage (forward blocking) V -180 V CEX Collector-emitter voltage V -140 V CEO Emitter-collector voltage (reverse blocking) V -7 V ECO Emitter-base voltage V -7 V EBO (a) I -1 A Continuous collector current C Peak pulse current I -3 A CM (a) P 0.73 W Power dissipation at T =25C D A 5.84 mW/C Linear derating factor (b) P 1.05 W Power dissipation at T =25C D A 8.4 mW/C Linear derating factor (c) P 1.25 W Power dissipation at T =25C D A 9.6 mW/C Linear derating factor (d) P 1.81 W Power dissipation at T =25C D A 14.5 mW/C Linear derating factor Operating and storage temperature range T , T -55 to 150 C j stg Thermal resistance Parameter Symbol Limit Unit (a) R 171 C/W Junction to ambient JA (b) R 119 C/W Junction to ambient JA (c) R 100 C/W Junction to ambient JA (d) R 69 C/W Junction to ambient JA NOTES: (a) For a device surface mounted on 15mm x 15mm x 1.6mm FR4 PCB with high coverage of single sided 1oz copper, in still air conditions. (b) Mounted on 25mm x 25mm x 1.6mm FR4 PCB with a high coverage of single sided 2 oz copper in still air conditions. (c) Mounted on 50mm x 50mm x 1.6mm FR4 PCB with a high coverage of single sided 2 oz copper in still air conditions. (d) As (c) above measured at t<5secs. Issue 1 - March 2006 2 www.zetex.com Zetex Semiconductors plc 2006