bss138 document number: ds35479 rev. 4 - 2 1 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated 50v n-channel enhancement mode vertical dmos fet in sot23 features and benefits ? bv dss > 50v ? r ds(on) 3.5 @ v gs = 5v ? maximum continuous drain current i d = 200ma ? ?lead free?, rohs compliant (note 1) ? halogen and antimony free. "green" device (note 2) ? qualified to aec-q101 standards for high reliability mechanical data ? case: sot-23 ? case material: molded plastic, ?green? molding compound. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020 ? terminals: matt tin finish ; solderable per mil-std-202, method 208 ? weight: 0.008 grams (approximate) ordering information (note 3) part number marking reel size (inches) tape width (mm) quantity per reel BSS138TA ss 7 8 3000 notes: 1. no purposefully added lead 2. diodes inc's "green" policy can be found on our website at http://www.diodes.com. 3. for packaging details, go to our website at http://www.diodes.com. marking information sot-23 device symbol pin-out top view top view ss = product type marking code d s g
bss138 document number: ds35479 rev. 4 - 2 2 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit drain-source voltage v dss 50 v gate-source voltage v gss 20 v continuous drain current i d 200 ma pulsed drain current (note 5) i dm 800 ma thermal characteristics @t a = 25c unless otherwise specified characteristic symbol value unit power dissipation (note 4) p d 350 mw thermal resistance, junction to ambient (note 4) r ja 357 c/w thermal resistance, junction to leads (note 6) r jl 195 c/w operating and storage temperature range t j , t stg -55 to +150 c notes: 4. for a device mounted on 25mm x 25mm x 1.6mm fr-4 pcv wi th high coverage of single sided 1oz copper, in still air cond ition. 5. device mounted on minimum recommended pad layout test board, 10 s pulse duty cycle = 1%. 6. thermal resistance from junction to solder-point (at the end of the collector lead).
bss138 document number: ds35479 rev. 4 - 2 3 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated thermal characteristics
bss138 document number: ds35479 rev. 4 - 2 4 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min typ max unit test condition off characteristics drain-source breakdown voltage bv dss 50 - - v v gs = 0v, i d = 0.25ma zero gate voltage drain current i dss - - 0.5 5 100 a a na v ds = 50v, v gs = 0v v ds = 50v, v gs = 0v, t a = 125c v ds = 20v, v gs = 0v gate-source leakage i gss - - 100 na v gs = 20v, v ds = 0v on characteristics gate threshold voltage v gs ( th ) 0.5 - 1.5 v v ds = v gs , i d = 1ma static drain-source on-resistance (note 7) r ds ( on ) - - 3.5 v gs = 5v, i d = 200ma forward transconductance (note 7 & 8) g fs 120 - - ms v ds = 25v, i d = 200ma dynamic characteristics (note 8) input capacitance c iss - - 50 pf v ds = 25v, v gs = 0v, f = 1.0mhz output capacitance c oss - - 25 pf reverse transfer capacitance c rss - - 8 pf turn-on delay time (note 9) t d ( on ) - 10 - ns v dd = 30v, i d = 280ma turn-on rise time (note 9) t r - 10 - ns turn-off delay time (note 9) t d ( off ) - 15 - ns turn-off fall time (note 9) t f - 25 - ns notes: 7. measured under pulsed conditions. width = 300s. duty cycle ? 2%. 8. sample test. 9. switching times measured with 50 ? source impedance and <5ns rise time on a pulse generator.
bss138 document number: ds35479 rev. 4 - 2 5 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated electrical characteristics
bss138 document number: ds35479 rev. 4 - 2 6 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated electrical character istics ? (continuous)
bss138 document number: ds35479 rev. 4 - 2 7 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated package outline dimensions suggested pad layout sot23 dim min max typ a 0.37 0.51 0.40 b 1.20 1.40 1.30 c 2.30 2.50 2.40 d 0.89 1.03 0.915 f 0.45 0.60 0.535 g 1.78 2.05 1.83 h 2.80 3.00 2.90 j 0.013 0.10 0.05 k 0.903 1.10 1.00 k1 - - 0.400 l 0.45 0.61 0.55 m 0.085 0.18 0.11 0 8 - all dimensions in mm dimensions value (in mm) z 2.9 x 0.8 y 0.9 c 2.0 e 1.35 a m j l d f b c h k g k1 x e y c z
bss138 document number: ds35479 rev. 4 - 2 8 of 8 www.diodes.com august 2011 ? diodes incorporated bss138 a product line o f diodes incorporated important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhancements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated a nd all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifically not authorized for use as critical com ponents in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2011, diodes incorporated www.diodes.com
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