description features n 1,2,5, & 20% voltage tolerances available mechanical dimensions n wide voltage range n meets ul specification 94v-0 maximum ratings zmm55c-series data sheet ? watt zener diodes (2.28v to 50v) zmm55c-series units dc power dissipation with t l = > = 75 ...p d lead length = .375 inches derate above 50 operating & storage temperature range...t j , t strg c c ............................................. 500 ............................................... ............................................. 4 ............................................... mw mw / c c ......................................... -65 to 100 .......................................... steady state power derating steady state power (w) lead temperature ( c) temperature coefficients vs. voltage temperature coefficient (mv/ o c) zener voltage (v) typical junction capacitance junction capacitance (pf) zener voltage (v) 50% vz bias 0 v bias 1 v bias zener current vs. zener voltage zener voltage (v) zener current (ma) do-213aa (mini-melf)
data sheet ? watt zener diodes (2.28v to 50v) zmm55c-series c notes: 1. for 1.0% tolerance, specify suffix ??a??. for 2% suffix ??b??, for 5% suffix "c", and for 20% suffix "d". 2. t a = 25 unless otherwise specified. measurements made at thermal equilibrium. nominal zener voltage* test current i zt (ma) max. zener impedance max. reverse leakage current @ v r % / o c z zt @ i zt ( w ) z zk @ i zk = 1ma ( w ) part # i r ( m a) v r (v) typical temperature coefficient lead length = .375". thermal resistance of heat sink = 30 / w, v f = 1.1v max. @ i f = 200ma c electrical characteristics @ 25 o c. zmm55-c2v4 zmm55-c2v7 zmm55-c3v0 zmm55-c3v3 zmm55-c3v6 zmm55-c3v9 zmm55-c4v3 zmm55-c4v7 zmm55-c5v1 zmm55-c5v6 zmm55-c6v2 zmm55-c6v8 zmm55-c7v5 zmm55-c8v2 zmm55-c9v1 zmm55-c10 zmm55-c11 ZMM55-C12 zmm55-c13 zmm55-c15 zmm55-c16 zmm55-c18 zmm55-c20 zmm55-c22 zmm55-c24 zmm55-c27 zmm55-c30 zmm55-c33 zmm55-c36 zmm55-c39 zmm55-c43 zmm55-c47 2.28-2.56 2.5-2.9 2.8-3.2 3.1-3.5 3.4-3.8 3.7-4.1 4.0-4.6 4.4-5.0 4.8-5.4 5.2-6.0 5.8-6.6 6.4-7.2 7.0-7.9 7.7-8.7 8.5-9.6 9.4-10.6 10.4-11.6 11.4-12.7 12.4-14.1 13.8-15.6 15.3-17.1 16.8-19.1 18.8-21.2 20.8-23.3 22.8-25.6 25.1-28.9 28-32 31-35 34-38 37-41 40-46 44-50 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2.5 2.5 2.5 85 85 85 85 85 85 75 60 35 25 10 8 7 7 10 15 20 20 26 30 40 50 55 55 80 80 80 80 80 90 90 110 600 600 600 600 600 600 600 600 550 450 200 150 50 50 50 70 70 90 110 110 170 170 220 220 220 220 220 220 220 500 600 700 50 10 4 2 2 2 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2 3 5 6 7 7.5 8.5 9 10 11 12 14 15 17 18 20 22 24 27 30 33 36 -0.070 -0.070 -0.070 -0.065 -0.060 -0.050 -0.025 -0.010 +0.015 +0.025 +0.035 +0.045 +0.050 +0.050 +0.060 +0.070 +0.070 +0.070 +0.070 +0.070 +0.070 +0.070 +0.070 +0.070 +0.080 +0.080 +0.080 +0.080 +0.080 +0.080 +0.080 +0.080 max. regulator current i i i i i z z z z z m(ma) m(ma) m(ma) m(ma) m(ma) 150 135 125 115 105 95 90 85 80 70 64 58 53 47 43 40 36 32 29 27 24 21 20 18 16 14 13 12 11 10 9.2 8.5 1. standard zener diode 500mw vz tolerance = +/- 5% 2. measured with pulses tp = 20ms.
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