features ? zener voltage range 2.0 to 75 volts ? ll-34(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 mini-melf maximum ratings and electrical characteristics rating at 25 o c ambient temperature unle ss otherwise specified. type number symbol value units power dissipation ptot 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 bzv55b series 500mw.hermetically sealed glass zener voltage rectifiers dimension in millimeters http://www.luguang.cn mail:lge@luguang.cn
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 (bzv55b series) bzv55b series 500mw.hermetically sealed glass zener voltage rectifiers http://www.luguang.cn mail:lge@luguang.cn
figure 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 (bzv55b series) bzv55b series 500mw.hermetically sealed glass zener voltage rectifiers http://www.luguang.cn mail:lge@luguang.cn
electrical characteristics (ta=25 o c unless otherwise noted) type z zt @ i zt ir @ vr number v z v z i zt ohms i zk z zk @ i zk ua vr min (v) max (v) ma max ma ohms max v bzv55b2v0 1.96 2.04 5 100 1.0 600 50 1.0 bzv55b2v2 2.16 2.24 5 100 1.0 600 50 1.0 bzv55b2v4 2.35 2.45 5 85 1.0 600 50 1.0 bzv55b2v7 2.65 2.75 5 85 1.0 600 10 1.0 bzv55b3v0 2.94 3.06 5 85 1.0 600 4 1.0 bzv55b3v3 3.23 3.37 5 85 1.0 600 2 1.0 bzv55b3v6 3.53 3.67 5 85 1.0 600 2 1.0 bzv55b3v9 3.82 3.98 5 85 1.0 600 2 1.0 bzv55b4v3 4.21 4.39 5 75 1.0 600 1 1.0 bzv55b4v7 4.61 4.79 5 60 1.0 600 0.5 1.0 bzv55b5v1 5.00 5.2 5 35 1.0 550 0.1 1.0 bzv55b5v6 5.49 5.71 5 25 1.0 450 0.1 1.0 bzv55b6v2 6.08 6.32 5 10 1.0 200 0.1 2.0 bzv55b6v8 6.66 6.94 5 8 1.0 150 0.1 3.0 bzv55b7v5 7.35 7.65 5 7 1.0 50 0.1 5.0 bzv55b8v2 8.04 8.36 5 7 1.0 50 0.1 6.2 bzv55b9v1 8.92 9.28 5 10 1.0 50 0.1 6.8 bzv55b10 9.80 10.2 5 15 1.0 70 0.1 7.5 bzv55b11 10.78 11.22 5 20 1.0 70 0.1 8.2 bzv55b12 11.76 12.24 5 20 1.0 90 0.1 9.1 bzv55b13 12.74 13.26 5 26 1.0 110 0.1 10 bzv55b15 14.70 15.30 5 30 1.0 110 0.1 11 bzv55b16 15.68 16.32 5 40 1.0 170 0.1 12 bzv55b18 17.64 18.36 5 50 1.0 170 0.1 13 bzv55b20 19.60 20.40 5 55 1.0 220 0.1 15 bzv55b22 21.56 22.44 5 55 1.0 220 0.1 16 bzv55b24 23.52 24.48 5 80 1.0 220 0.1 18 bzv55b27 26.46 27.54 2 80 1.0 220 0.1 20 bzv55b30 29.40 30.60 2 80 1.0 220 0.1 22 bzv55b33 32.34 33.66 2 80 1.0 220 0.1 24 bzv55b36 35.28 36.72 2 80 1.0 220 0.1 27 bzv55b39 38.22 39.78 2 90 0.5 500 0.1 28 bzv55b43 42.14 43.86 2 90 0.5 600 0.1 32 bzv55b47 46.06 47.94 2 110 0.5 700 0.1 35 bzv55b51 49.98 52.02 2 125 0.5 700 0.1 38 bzv55b56 54.88 57.12 2 135 0.5 1000 0.1 42 BZV55B62 60.76 63.24 2.5 150 0.5 1000 0.1 47 bzv55b68 66.64 69.36 2.5 160 0.5 1000 0.1 51 bzv55b75 73.50 76.50 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 rms value equal to 10% of the dc zener current (i zt or i zk ) is superimposed to i zt or i zk . version: c08 (volts) v z @ i zt bzv55b series 500mw.hermetically sealed glass zener voltage rectifiers http://www.luguang.cn mail:lge@luguang.cn
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