technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com npn power silicon transistor qualified per mil-prf-19500/510 t4-lds-0197 rev. 1 (110296) page 1 of 5 devices levels 2n6249 2n6250 2n6251 jan 2n6249t1 2N6250T1 2n6251t1 jantx jantxv jans absolute maximum ratings (t c = +25c unless otherwise noted) parameters / test conditions symbol 2n6249 2n6249t1 2n6250 2N6250T1 2n6251 2n6251t1 unit collector-emitter voltage v ceo 200 275 350 vdc collector-base voltage v cbo 300 375 450 vdc emitter-base voltage v ebo 6.0 vdc collector current i c 10 adc base current i b 5.0 total power dissipation @ t a = +25c (1) @ t c = +25c (2) p t 6.0 175 w operating & storage junction temperature t op , t stg -65 to +200 c thermal resistance, junction-to-case r jc 1.0 c/w notes: (1) derate linearly at 34.2 mw/c for t a > +25c (2) derate linearly at 1.0 mw/c for t c > +25c electrical characteristics (t a = +25c, unless otherwise noted) parameters / test conditions symbol min. max. unit off charactertics collector-emitter breakdown voltage i c = 20madc; l = 42mh; f = 30 C 60hz (see figure 10 of mil-prf-19500/510) 2n6249, t1 2n6250, t1 2n6251, t1 v (br)ceo 200 275 350 vdc collector-emitter breakdown voltage i c = 200madc; l = 14mh; f = 30 C 60hz; r be = 50 ? (see figure 10 of mil-prf-19500/510) 2n6249, t1 2n6250, t1 2n6251, t1 v (br)cer 225 300 375 vdc emitter-base cutoff current v eb = 6.0vdc i ebo 100 adc to-3 (to-204aa) to-254 downloaded from: http:///
technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com t4-lds-0197 rev. 1 (110296) page 2 of 5 electrical characteristics (t a = +25c, unless otherwise noted) cont. parameters / test conditions symbol min. max. unit off charactertics collector-emitter cutoff current v ce = 150vdc v ce = 225vdc v ce = 300vdc 2n6249, t1 2n6250, t1 2n6251, t1 i ceo 1.0 madc collector- emitter cutoff current v ce = 225vdc, v be = -1.5vdc v ce = 300vdc, v be = -1.5vdc v ce = 375vdc, v be = -1.5vdc 2n6249, t1 2n6250, t1 2n6251, t1 i cex 100 adc collector-base cutoff current v cb = 300vdc v cb = 375vdc v cb = 450vdc 2n6249, t1 2n6250, t1 2n6251, t1 i cbo 0.5 madc on characteristics (3) forward-current transfer ratio h fe i c = 10adc, v ce = 3vdc 2n6249, t1 2n6250, t1 2n6251, t1 10 8 6 50 50 50 collector-emitter saturation voltage v ce(sat) vdc i c = 10adc, i b = 1.0adc i c = 10adc, i b = 1.25adc i c = 10adc, i b = 1.67adc 2n6249, t1 2n6250, t1 2n6251, t1 1.5 base-emitter saturation voltage v be(sat) vdc i c = 10adc, i b = 1.0adc i c = 10adc, i b = 1.25adc i c = 10adc, i b = 1.67adc 2n6249, t1 2n6250, t1 2n6251, t1 2.25 dynamic characteristics magnitude of small-signal short-circuit forward current transfer ratio |h fe | i c = 1.0adc, v ce = 10vdc, f = 1mhz 2.5 15 output capacitance c obo 500 pf v cb = 10vdc, i c = 0, 100 khz f 1.0mhz (3) pulse test: pulse width = 300 s, duty cycle 2.0% downloaded from: http:///
technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com t4-lds-0197 rev. 1 (110296) page 3 of 5 switching characteristics turn-on time t on s v cc = 200vdc; i c = 10adc i b = 1.0a i b = 1.25a i b = 1.67a 2n6249, t1 2n6250, t1 2n6251, t1 2.0 turn-off time t off s v cc = 200vdc; i c = 10adc i b = 1.0a i b = 1.25a i b = 1.67a 2n6249, t1 2n6250, t1 2n6251, t1 4.5 safe operating area dc tests t c = +25c, 1 cycle, t = 1s (see figure 12 of mil-prf-19500/510) test 1 v ce = 17.5vdc, i c = 10adc test 2 v ce = 30vdc, i c = 5.8adc test 3 v ce = 100vdc, i c = 0.3adc test 4 v ce = 200vdc, i c = 0.13adc (for 2n6249, 2n6249t1 only) test 5 v ce = 275vdc, i c = 0.09adc (for 2n6250, 2N6250T1 only) test 6 v ce = 350vdc, i c = 0.065adc (for 2n6251, 2n6251t1 only) downloaded from: http:///
technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com t4-lds-0197 rev. 1 (110296) page 4 of 5 package dimensions notes: 1. dimensions are in inches. millimeters are given for general information only. 2. these dimensions shall be measured at points .050 inch (1.27 mm) and .055 inch (1.40 mm) belo w seating plane. when gauge is not used, measurement will be made at the seating plane. 3. two leads. 4. collector shall be electrically connected to the case. 5. ld applies between l 1 and ll maximum. lead diameter shall not exceed twice ld within l 1 . 6. in accordance with asme y14.5m , diameters are equivalent to x symbology. figure 1. physical dimensions (similar to to-3). dimensions ltr inches millimeters notes min max min max cd .875 22.23 ch .250 .450 6.35 11.43 hr .495 .525 12.57 13.34 hr 1 .131 .188 3.33 4.78 ht .050 .135 1.27 3.43 ld .038 .053 0.97 1.35 3, 5 ll .312 .500 7.92 12.70 3 l 1 .050 1.27 5 mhd .151 .161 3.84 4.09 mhs 1.177 1.197 29.90 30.40 ps .420 .440 10.67 11.18 2 ps 1 .205 .25 5.21 6.35 2, 3 s 1 .665 .675 16.89 17.15 2 downloaded from: http:///
technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com t4-lds-0197 rev. 1 (110296) page 5 of 5 notes: 1. dimensions are in inches. 2. millimeters are given for general information only. 3. methods used for electrical isolation of terminals feedthrou ghs shall employ materials that contain a minimum of 90 percent al203 (ceramic). 4. in accordance with asme y14.5m , diameters are equivalent to x symbology. figure 2. dimensions and configuration 2n6 249t1, 2N6250T1, and 2n6251t1 (to-254aa) dimensions ltr inches millimeters min max min max bl .535 .545 13.59 13.84 ch .249 .260 6.32 6.60 ld .035 .045 0.89 1.14 ll .530 .550 13.46 13.97 lo .150 bsc 3.81 bsc ls .150 bsc 3.80 bsc mhd .139 .149 3.53 3.78 mho .665 .685 16.89 17.40 tl .790 .800 20.07 20.32 tt .040 .050 1.02 1.27 tw .535 .545 13.59 13.84 term 1 base term 2 collector term 3 emitter downloaded from: http:///
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