surface mount rf schottky barrier diodes technical data hsms-28xx series features ? surface mount sot-23/sot- 143 package ? low turn-on voltage (as low as 0.34 v at 1 ma) ? low fit (failure in time) rate* ? six-sigma quality level ? single, dual and quad versions ? tape and reel options available * for more information see the surface mount schottky reliability data sheet. description/applications these schottky diodes are specifically designed for both analog and digital applications. this series offers a wide range of specifications and package configurations to give the designer wide flexibility. typical applications of these schottky diodes are mixing, detecting, switching, sampling, clamping, and wave shaping. the hsms-2800 series of diodes is optimized for high voltage applications. the hsms-2810 series of diodes features very low flicker (1/f) noise. the package lead code identification top view common cathode #4 unconnected pair #5 common anode #3 series #2 single #0 12 3 12 34 ring quad #7 12 34 bridge quad #8 12 34 cross-over quad #9 12 34 12 3 12 3 12 3 HSMS-2820 series of diodes is the best all-around choice for most applications, featuring low series resistance, low forward voltage at all current levels and good rf characteristics. the hsms-2860 series is a high performance diode offering superior v f and ultra-low capacitance. note that hps manufacturing techniques assure that dice found in pairs and quads are taken from adjacent sites on the wafer, assuring the highest degree of match.
2 electrical specifications t a = 25 c, single diode [4] nearest minimum maxi- maximum maximum maxi- typical part package equivalent break- mum forward reverse mum dynamic num- mark- axial lead down forward voltage leakage capac- resis- ber ing lead part no. voltage voltage v f (v) @ i r (na) @ itance tance hsms [5] code [3] code configuration 5082- v br (v) v f (mv) i f (ma) v r (v) c t (pf) r d ( w ) [6] 2800 a0 0 single 2800 70 400 1.0 15 200 50 2.0 35 (1n5711) 2802 a2 2 series 2803 a3 3 common anode 2804 a4 4 common cathode 2805 a5 5 unconnected pair 2807 a7 7 ring quad [6] 2808 a8 8 bridge quad [6] 2810 b0 0 single 2810 20 400 1.0 35 200 15 1.2 15 (1n5712) 2812 b2 2 series 2813 b3 3 common anode 2814 b4 4 common cathode 2815 b5 5 unconnected pair 2817 b7 7 ring quad [6] 2818 b8 8 bridge quad [6] 2820 c0 0 single 2835 15* 340 0.7 30 100 1 1.0 12 2822 c2 2 series 2823 c3 3 common anode 2824 c4 4 common cathode 2825 c5 5 unconnected pair 2827 c7 7 ring quad [6] 2828 c8 8 bridge quad [6] 2829 c9 9 cross-over quad 2860 t0 0 single none 4 350 0.6 30 0.35 10 2862 t1 2 series pair 2863 t3 3 common anode 2864 t4 4 common cathode 2865 t5 5 unconnected pair test conditions i r = 10 m ai f =v f = 0 v i f = 5 ma *i r = 1 ma [1] f = 100 m a 1.0 mhz [2] notes: 1. d v f for diodes in pairs and quads in 15 mv maximum at 1 ma. 2. d c to for diodes in pairs and quads is 0.2 pf maximum. 3. package marking code is in white. 4. effective carrier lifetime ( t ) for all these diodes is 100 ps maximum measured with krakauer method at 5 ma, except hsms-282x which is measured at 20 ma. 5. see section titled quad capacitance. 6. r d = r s + 5.2 w at 25 c and i f = 5 ma.
3 absolute maximum ratings [1] t a = 25 c symbol parameter value i f forward current (1 ms pulse) 1 amp p t total device dissipation 250 mw [2] p iv peak inverse voltage same as v br t j junction temperature 150 c t stg storage temperature -65 to 150 c notes: 1. operation in excess of any one of these conditions may result in permanent damage to this device. 2. cw power dissipation at t lead = 25 c. derate to zero at maximum rated temperature. quad capacitance capacitance of schottky diode quads is measured using an hp4271 lcr meter. this instrument effectively isolates individual diode branches from the others, allowing accurate capacitance measurement of each branch or each diode. the conditions are: 20 mv r.m.s. voltage at 1 mhz. hp defines this measurement as cm, and it is equivalent to the capacitance of the diode by itself. the equivalent diagonal and adjacent capacitances can then be calculated by the formulas given below. in a quad, the diagonal capaci- tance is the capacitance between points a and b as shown in the figure below. the diagonal capacitance is calculated using the following formula c 1 x c 2 c 3 x c 4 c diagonal = _______ + _______ c 1 + c 2 c 3 + c 4 c 1 c 2 c 4 c 3 a b c the equivalent adjacent capacitance is the capacitance between points a and c in the figure below. this capacitance is calculated using the following formula 1 c adjacent = c 1 + ____________ 1 1 1 CC + CC + CC c 2 c 3 c 4 this information does not apply to cross-over quad diodes. spice parameters parameter units hsms-280x hsms-281x hsms-282x hsms-286x b v v 75 25 15 7.0 c j0 pf 1.6 1.1 0.7 0.18 e g ev 0.69 0.69 0.69 0.69 i bv a 10e - 5 10e - 5 10e - 4 10e - 5 i s a 3 x 10e - 8 4.8 x 10e - 9 2.2 x 10e - 8 5.0 x 10e - 8 n 1.08 1.08 1.08 1.08 r s w 30 10 6.0 5.0 p b v 0.65 0.65 0.65 0.65 p t 2222 m 0.5 0.5 0.5 0.5
4 typical parameters at t a = 25 c (unless otherwise noted), single diode v f - forward voltage (v) figure 1. typical forward current vs. forward voltage at temperatures hsms-2800 series 30 10 1 0.1 0.01 i f - forward current (ma) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 55 c 85 c ?5 c 25 c ? c v f - forward voltage (v) figure 2. typical v f match, hsms-2800 series pairs and quads. 30 10 1 0.3 30 10 1 0.3 i f - forward current (ma) ? v f - forward voltage difference (mv) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 i f (left scale) ? v f (right scale) v f - forward voltage (v) figure 3. typical forward current vs. forward voltage at temperatures hsms-2810 series. 30 10 1 0.1 0.01 i f - forward current (ma) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 v f - forward voltage (v) figure 4. typical v f match, hsms-2810 series pairs and quads. 30 10 1 0.3 30 10 1 0.3 i f - forward current (ma) ? v f - forward voltage difference (mv) 0.3 0.4 0.5 0.5 0.6 0.7 i f (left scale) ? v f (right scale) v f - forward voltage (v) figure 5. typical forward current vs. forward voltage at temperatures? HSMS-2820 series. 30 10 1 0.1 0.01 i f - forward current (ma) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 v f - forward voltage (v) figure 6. typical v f match, HSMS-2820 series pairs and quads at mixer bias levels. 30 10 1 0.3 30 10 1 0.3 i f - forward current (ma) ? v f - forward voltage difference (mv) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 i f (left scale) ? v f (right scale) v f - forward voltage (v) figure 7. typical v f match, HSMS-2820 series pairs at detector bias levels. 100 10 1 1.0 0.1 i f - forward current ( m a) ? v f - forward voltage difference (mv) 0.10 0.15 0.20 0.25 i f (left scale) ? v f (right scale) forward voltage (v) figure 8. typical forward current vs. forward voltage at temperature, hsms-2860 series. 100 10 1 0.1 0.01 forward current (ma) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 ?5 c 25 c v f - forward voltage (v) figure 9. typical v f match, hsms-2860 series pairs at detector bias levels. 100 10 1 10 1.0 i f - forward current ( m a) ? v f - forward voltage difference (mv) 0.05 0.10 0.20 0.15 0.25 i f (left scale) ? v f (right scale) 55 c 85 c ?5 c 25 c ? c 55 c 85 c ?5 c 25 c ?5 c 85 c
5 typical parameters, continued figure 10. reverse current vs. reverse voltage at temperatures? hsms-2800 series. 0102030 50 40 i r ?reverse current (na) v r ?reverse voltage (v) 1 1000 100 10 100,000 10,000 t a = +125 c t a = +75 c t a = +25 c figure 11. reverse current vs. reverse voltage at temperatures? hsms-2810 series. 05 15 i r ?reverse current (na) v r ?reverse voltage (v) 10 1 1000 100 10 100,000 10,000 t a = +125 c t a = +75 c t a = +25 c figure 12. reverse current vs. reverse voltage at temperatures? HSMS-2820 series. 02 6 i r ?reverse current (na) v r ?reverse voltage (v) 4 1 1000 100 10 100,000 10,000 t a = +125 c t a = +75 c t a = +25 c figure 13. dynamic resistance vs. forward current?sms-2800 series. 0.1 1 100 r d ?dynamic resistance ( ) i f ?forward current (ma) 10 1 10 1000 100 hsms-2800 series hsms-2810 series HSMS-2820 series figure 14. total capacitance vs. reverse voltage?sms-2800 series. 0102030 50 40 c t ?capacitance (pf) v r ?reverse voltage (v) 0 1.5 1 0.5 2 figure 15. total capacitance vs. reverse voltage?sms-2810 series. 02 6 41012 816 14 c t ?capacitance (pf) v r ?reverse voltage (v) 0 0.75 0.50 0.25 1.25 1 figure 16. total capacitance vs. reverse voltage?sms-2820 series. 02 8 6 c t ?capacitance (pf) v r ?reverse voltage (v) 4 0 0.6 0.4 0.2 1 0.8 applications information schottky diode fundamentals see the hsms-280a series data sheet. profile option descriptions -blk = bulk -tr1 = 3k pc. tape and reel, device orientation; see figures 17 and 18 -tr2 = 10k pc. tape and reel, device orientation; see figures 17 and 18 tape and reeling conforms to electronic industries rs-481, taping of surface mounted components for automated placement. ordering information specify part number followed by option under. for example: h sms - 28xx - xxx bulk or tape and reel option part number surface mount schottky hewlett-packard
www.hp.com/go/rf for technical assistance or the location of your nearest hewlett-packard sales office, distributor or representative call: americas/canada: 1-800-235-0312 or 408-654-8675 far east/australasia: call your local hp sales office. japan: (81 3) 3335-8152 europe: call your local hp sales office. data subject to change. copyright ? 1999 hewlett-packard co. obsoletes 5968-3887e 5968-5934e (6/99) package dimensions package characteristics lead material ......................................... alloy 42 lead finish ............................... tin-lead 85/15% max. soldering temperature .... 260 c for 5 sec min. lead strength ....................... 2 pounds pull typical package inductance ................... 2 nh (opposite leads) typical package capacitance ............ 0.08 pf (opposite leads) outline 23 (sot-23) outline 143 (sot-143) figure 18. options -tr1, -tr2 for sot-143 packages. figure 17. options -tr1, -tr2 for sot-23 packages. user feed direction cover tape carrier tape reel device orientation 3 1 2 x x x package marking code (xx) date code (x) side view top view end view these dimensions for hsms-280x and -281x families only. dimensions are in millimeters (inches) 1.02 (0.040) 0.89 (0.035) 1.03 (0.041) 0.89 (0.035) 0.60 (0.024) 0.45 (0.018) 1.40 (0.055) 1.20 (0.047) 2.65 (0.104) 2.10 (0.083) 3.06 (0.120) 2.80 (0.110) 2.04 (0.080) 1.78 (0.070) 2.05 (0.080) 1.78 (0.070) 1.04 (0.041) 0.85 (0.033) 0.152 (0.006) 0.086 (0.003) 0.180 (0.007) 0.085 (0.003) 0.10 (0.004) 0.013 (0.0005) 0.69 (0.027) 0.45 (0.018) 0.54 (0.021) 0.37 (0.015) * * * * end view 8 mm 4 mm top view 0.69 (0.027) 0.45 (0.018) 1.40 (0.055) 1.20 (0.047) 2.65 (0.104) 2.10 (0.083) 0.60 (0.024) 0.45 (0.018) 0.54 (0.021) 0.37 (0.015) 0.10 (0.004) 0.013 (0.0005) 1.04 (0.041) 0.85 (0.033) 0.92 (0.036) 0.78 (0.031) 2.04 (0.080) 1.78 (0.070) dimensions are in millimeters (inches) 0.15 (0.006) 0.09 (0.003) 3.06 (0.120) 2.80 (0.110) package marking code (xx) be c e x x x date code (x) end view 8 mm 4 mm top view
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