0.5W SILICON PLANAR ZENER DIODES ZMM55C-2V4 THRU ZMM55C-47 Features · Standards Zener voltage tolerance is ±20%.Add suffix "A" for ±10% tolerance and suffix "B" for ±5% tolerance other tolerance, non standards and higher zener voltage upon MELF (DO-35) request. · These diode are also available in DO-35 case with type SOLDERABLE ENDS designation 1N5221 thru 1N5261 0.020(0.50) 0.011(0.28) 0.146(3.70) 0.130(3.30) Mechanical Data 0.063(1.60) 0.051(1.30) · Case : MELF(DO-35) glass case · Weight : Approx. 0.05 gram Dimensions in inches and (millimeters) Absolute Maximum Ratings (Limiting Values) (TA=25℃) Symbols Value Units Ptot 5001) mW TJ 175 ℃ Zener current see table "Characteristics" Power dissipation at Tamb=25℃ Junction Temperature Storage Temperature range TSTG -55 to+175 ℃ 1) Valid provided that electrodes are kept at ambient temperature Electrical Characteristics (TA=25℃) Symbols Thermal resistance junction to ambient Forward voltage at IF=100mA Max. Units RθJA 3001) ℃/W VF 1.0 V 1) Valid provided that electrodes are kept at ambient temperature Min. Typ. ZMM55C-2V4...ZMM55C-47 SILICON PLANAR ZENER DIODES Nominal Zener Voltage Vz at IZT 4) Test Current IZT Volts ZMM55C-2V4 Type Maximum zener impedance1) Typical Temperature Coefficient Maximum Reverse Leakage Current Maximum Regulator Current2) IZM IR Test-Voltage suffix B %/℃ μA Volts mA 600 -0.070 50 1.0 150 85 600 -0.070 10 1.0 135 5 85 600 -0.070 4 1.0 125 5 85 600 -0.065 2 1.0 115 3.4-3.8 5 85 600 -0.060 2 1.0 105 ZMM55C-3V9 3.7-4.1 5 85 600 -0.050 2 1.0 95 ZMM55C-4V3 4.0-4.6 5 75 600 -0.025 1 1.0 90 ZMM55C-4V7 4.4-5.0 5 60 600 -0.010 0.5 1.0 85 ZMM55C-5V1 4.8-5.4 5 35 550 +0.015 0.1 1.0 80 ZMM55C-5V6 5.2-6.0 5 25 450 +0.025 0.1 1.0 70 ZMM55C-6V2 5.8-6.6 5 10 200 +0.035 0.1 2.0 64 ZMM55C-6V8 6.4-7.2 5 8 150 +0.045 0.1 3.0 58 ZMM55C-7V5 7.0-7.9 5 7 50 +0.050 0.1 5.0 53 ZMM55C-8V2 7.7-8.7 5 7 50 +0.050 0.1 6.0 47 ZMM55C-9V1 8.5-9.6 5 10 50 +0.060 0.1 7.0 43 ZMM55C-10 9.4-10.6 5 15 70 +0.070 0.1 7.5 40 ZMM55C-11 10.4-11.6 5 20 70 +0.070 0.1 8.5 36 ZMM55C-12 11.4-12.7 5 20 90 +0.070 0.1 9.0 32 ZMM55C-13 12.4-14.1 5 26 110 +0.070 0.1 10 29 ZMM55C-15 13.8-15.6 5 30 110 +0.070 0.1 11 27 ZMM55C-16 15.3-17.1 5 40 170 +0.070 0.1 12 24 ZMM55C-18 16.8-19.1 5 50 170 +0.070 0.1 14 21 ZMM55C-20 18.8-21.2 5 55 220 +0.070 0.1 15 20 ZMM55C-22 20.8-23.3 5 55 220 +0.070 0.1 17 18 ZMM55C-24 22.8-25.6 5 80 220 +0.080 0.1 18 16 ZMM55C-27 25.1-28.9 5 80 220 +0.080 0.1 20 14 ZMM55C-30 28.0-32.0 5 80 220 +0.080 0.1 22 13 ZMM55C-33 31.0-35.0 5 80 220 +0.080 0.1 24 12 ZMM55C-36 34.0-38.0 5 80 220 +0.080 0.1 27 11 ZMM55C-39 37.0-41.0 2.5 90 500 +0.080 0.1 30 10 ZMM55C-43 40.0-46.0 2.5 90 600 +0.080 0.1 33 9.2 ZMM55C-47 44.0-50.0 2.5 110 700 +0.080 0.1 36 8.5 ZZT at IZT ZZK at IZK=1mA mA Ω Ω 2.28-2.56 5 85 ZMM55C-2V7 2.5-2.9 5 ZMM55C-3V0 2.8-3.2 ZMM55C-3V3 3.1-3.5 ZMM55C-3V6 _ 5% 1) Standard ZENER DIODE 500mW Vz tolerance = + 2) ZMM = ZENER Mini Melf 3) Vz of ZENER DIODE, V code is instead of decimal point. (e.g., 3V6 = 3.6V) 4) Measured with pulses Tp = 20ms ZMM55C-2V4 THRU ZMM55C-47 SILICON PLANAR ZENER DIODES Admissible power dissipation versus ambient temperature (Valid provided that electrodes are kept at ambient temperature) ZMM55C2V4... mW 500 Ptot 400 300 200 100 0 0 50 100 150 Tamb 200 250 ℃