pb rohs compliance rohs compliance bzt55c series 0.5 watts hermetically sealed glass zener voltage regulators features ? zener voltage range 2.0 to 75 volts ? mini-melf package ? surface device type mounting ? hermetically sealed glass ? compression bonded construction ? all external surfaces are corrosion resistant and terminals are readily solderable ? rohs compliant ? matte tin(sn) lead finish ? blue color band indicates negative polarity quadro mini-melf dimensions in inches and (millimeters) maximum ratings and electrical characteristics rating at 25 o c ambient temperature unle ss otherwise specified. type number symbol value units power dissipation p d 500 mw operating and storage temperature range t j , t s t g -65 to + 200 o c notes: these ratings are lim iting values above which the serviceability of the diode may be impaired version: b07
figure 1. total power dissipation vs. ambient temperature figure 2. typical change of work ing voltage under operating conditions at t amb =25c figure 3. typical change of working voltage vs. junction temperature 0 120 160 0 100 300 400 500 600 p tot - total power dissipation (mw) t amb - ambient temperature (c) 200 200 80 40 10 15 20 1 10 100 1000 v z - voltage change (mv) v z - z-voltage (v) 25 t j = 25 c i z = 5 ma 0 5 - 60 60 120 1 80 0.8 0.9 1.0 1.1 1.2 1.3 v ztn - relative voltage change t j - junction temperature (c) 240 0 v ztn = v zt /v z (25 c) 0 tk vz = 10 x 10 -4 /k 8 x 10 -4 /k 2 x 10 -4 /k 6 x 10 -4 /k 4 x 10 -4 /k - 4 x 10 -4 /k - 2 x 10 -4 /k figure 4. temperature coefficient of vz vs. z-voltage figure 5. diode capacitance vs. z-voltage figure 6. forward current vs. forward voltage 30 - 5 0 5 10 15 v z - z-voltage (v) 50 40 i z = 5 ma 10 20 0 tk vz - temperat ure coefficient of v z (10 -4 /k) 10 15 0 50 100 150 200 c d - diode capacitance (pf) v z - z-voltage (v) 25 20 t j = 25 c v r = 2 v 0 5 0 0.2 0.4 0.6 0. 8 0.001 0.01 0.1 1 10 100 1.0 i f - forward current (ma) v f - forward voltage (v) t j = 25 c ratings and characteristic curves (bzt55c series)
f i gure 7. z-current vs. z-voltage figure 8. z-current vs. z-voltage 8 20 0 20 40 60 80 100 i z - z-current (ma) p tot = 500 mw t amb = 25 c 046 12 v z - z-voltage (v) 15 20 25 30 0 10 20 30 40 50 i z - z-current (ma) v z - z-voltage (v) 35 p tot = 500 mw t amb = 25 c figure 9. differential z-resistance vs. z-voltage 0 5 10 15 20 1 10 100 1000 ( ) 25 tj = 25 c i z = 1 ma 5 ma 10 ma v z - z-voltage (v) r z - differential z-resistance figure 10. thermal response 1 10 100 1000 z thp - thermal resistance for pulse cond. (kw) t p - pulse length (ms) 10 -1 10 0 10 1 10 2 t p /t = 0.5 t p /t = 0.2 t p /t = 0.1 t p /t = 0.05 t p /t = 0.02 t p /t = 0.01 single pulse r thja = 300 k/w t = t jmax - t amb i zm = (- v z + (v z 2 + 4r zj x t/z thp ) 1/2 )/(2r zj ) ratings and characteristic curves (bzt55c series)
electrical characteristics (ta=25 o c unless otherwise noted) type z zt @ i zt i r @ v r number v z v z i zt ohms i zk z zk @ i zk ua v r min (v) max (v) ma max ma ohms max v bzt55c2v0 1.88 2.11 5 100 1.0 600 50 1.0 bzt55c2v2 2.08 2.33 5 100 1.0 600 50 1.0 bzt55c2v4 2.28 2.56 5 85 1.0 600 50 1.0 bzt55c2v7 2.51 2.89 5 85 1.0 600 10 1.0 bzt55c3v0 2.8 3.2 5 85 1.0 600 4 1.0 bzt55c3v3 3.1 3.5 5 85 1.0 600 2 1.0 bzt55c3v6 3.4 3.8 5 85 1.0 600 2 1.0 bzt55c3v9 3.7 4.1 5 85 1.0 600 2 1.0 bzt55c4v3 4.0 4.6 5 75 1.0 600 1 1.0 bzt55c4v7 4.4 5.0 5 60 1.0 600 0.5 1.0 bzt55c5v1 4.8 5.4 5 35 1.0 550 0.1 1.0 bzt55c5v6 5.2 6.0 5 25 1.0 450 0.1 1.0 BZT55C6V2 5.8 6.6 5 10 1.0 200 0.1 2.0 bzt55c6v8 6.4 7.2 5 8 1.0 150 0.1 3.0 bzt55c7v5 7.0 7.9 5 7 1.0 50 0.1 5.0 bzt55c8v2 7.7 8.7 5 7 1.0 50 0.1 6.2 bzt55c9v1 8.5 9.6 5 10 1.0 50 0.1 6.8 bzt55c10 9.4 10.6 5 15 1.0 70 0.1 7.5 bzt55c11 10.4 11.6 5 20 1.0 70 0.1 8.2 bzt55c12 11.4 12.7 5 20 1.0 90 0.1 9.1 bzt55c13 12.4 14.1 5 26 1.0 110 0.1 10 bzt55c15 13.8 15.6 5 30 1.0 110 0.1 11 bzt55c16 15.3 17.1 5 40 1.0 170 0.1 12 bzt55c18 16.8 19.1 5 50 1.0 170 0.1 13 bzt55c20 18.8 21.1 5 55 1.0 220 0.1 15 bzt55c22 20.8 23.3 5 55 1.0 220 0.1 16 bzt55c24 22.8 25.6 5 80 1.0 220 0.1 18 bzt55c27 25.1 28.9 2 80 1.0 220 0.1 20 bzt55c30 28 32 2 80 1.0 220 0.1 22 bzt55c33 31 35 2 80 1.0 220 0.1 24 bzt55c36 34 38 2 80 1.0 220 0.1 27 bzt55c39 37 41 2 90 0.5 500 0.1 28 bzt55c43 40 46 2 90 0.5 600 0.1 32 bzt55c47 44 50 2 110 0.5 700 0.1 35 bzt55c51 48 54 2 125 0.5 700 0.1 38 bzt55c56 52 60 2 135 0.5 1000 0.1 42 bzt55c62 58 66 2.5 150 0.5 1000 0.1 47 bzt55c68 64 72 2.5 160 0.5 1000 0.1 51 bzt55c75 70 80 2.5 170 0.5 1000 0.1 56 vf forward voltage = 1.0v maximum @ if=100ma for all types. notes: 1. the type numbers listed have zener voltage min/max limits as shown. 2. the zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rams value equal to 10% of the dc zener current (i zt or i zk ) is superimposed to i zt or i zk . version: b07 v z @ i zt (volts)
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