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ZMM5251 Dataheets PDF



Part Number ZMM5251
Manufacturers General Semiconductor
Logo General Semiconductor
Description ZENER DIODES
Datasheet ZMM5251 DatasheetZMM5251 Datasheet (PDF)

ZMM5225 THRU ZMM5267 ZENER DIODES Mini-MELF FEATURES ♦ Silicon Planar Power Zener Diodes ♦ Standard Zener voltage tolerance is ± 5% with a “B” suffix. Other tolerances are available upon request. ♦ These diodes are also available in the DO-35 case with the type designation 1N5225 … 1N5267, SOT-23 case with the type designation MMBZ5225 ... MMBZ5267 and SOD-123 case with type designation MMSZ5225 ... MMSZ5267. .142 (3.6) .134 (3.4) .019 (0.48) .011 (0.28) Dimensions are in inches and (millime.

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ZMM5225 THRU ZMM5267 ZENER DIODES Mini-MELF FEATURES ♦ Silicon Planar Power Zener Diodes ♦ Standard Zener voltage tolerance is ± 5% with a “B” suffix. Other tolerances are available upon request. ♦ These diodes are also available in the DO-35 case with the type designation 1N5225 … 1N5267, SOT-23 case with the type designation MMBZ5225 ... MMBZ5267 and SOD-123 case with type designation MMSZ5225 ... MMSZ5267. .142 (3.6) .134 (3.4) .019 (0.48) .011 (0.28) Dimensions are in inches and (millimeters) ∅ .063 (1.6) .055 (1.4) Cathode Mark MECHANICAL DATA Case: Mini-MELF Glass Case (SOD-80) Weight: approx. 0.05 g MAXIMUM RATINGS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOL VALUE UNIT Zener Current (see Table “Characteristics”) Power Dissipation at Tamb = 75°C Maximum Junction Temperature Storage Temperature Range Ptot Tj TS 500(1) 175 – 65 to +150 mW °C °C SYMBOL MIN. TYP. MAX. UNIT Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 mA NOTES (1) Valid provided that electrodes are kept at ambient temperature. RΘJA – – 300(1) °C/W VF – – 1.1 Volts 12/1/98 ZMM5225 THRU ZMM5267 ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Type Nominal Zener Voltage(3) at IZT VZ(V) 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 56 60 62 68 75 Test current IZT (mA) Maximum Zener impedance(1) at IZT ZZT (Ω) 29 28 24 23 22 19 17 11 7 7 5 6 8 8 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 150 170 185 230 270 at IZK=0.25mA ZZK (Ω) 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800 900 1000 1100 1300 1400 1400 1600 1700 Typical Temperature Coefficient Maximum Reverse Leakage Current Test Voltage Maximum regulator current(2) IZM (mA) 152 138 126 115 106 97 89 81 76 73 67 61 55 52 50 45 41 38 35 32 30 28 27 25 24 23 21 19.1 18.2 16.8 16.2 15.1 13.8 12.6 11.6 10.6 9.7 8.9 – – – – – αvz (%/K) – 0.075 – 0.070 – 0.065 – 0.060 – 0.055 ±0.030 ±0.030 +0.038 +0.038 +0.045 +0.050 +0.058 +0.062 +0.065 +0.068 +0.075 +0.076 +0.077 +0.079 +0.082 +0.082 +0.083 +0.084 +0.085 +0.086 +0.086 +0.087 +0.087 +0.089 +0.090 +0.091 +0.091 +0.092 +0.093 +0.094 +0.095 +0.095 +0.096 +0.096 +0.097 +0.097 +0.097 +0.098 IR (µA) 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 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 VR (V) 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 43 46 47 52 56 ZMM5225 ZMM5226 ZMM5227 ZMM5228 ZMM5229 ZMM5230 ZMM5231 ZMM5232 ZMM5233 ZMM5234 ZMM5235 ZMM5236 ZMM5237 ZMM5238 ZMM5239 ZMM5240 ZMM5241 ZMM5242 ZMM5243 ZMM5244 ZMM5245 ZMM5246 ZMM5247 ZMM5248 ZMM5249 ZMM5250 ZMM5251 ZMM5252 ZMM5253 ZMM5254 ZMM5255 ZMM5256 ZMM5257 ZMM5258 ZMM5259 ZMM5260 ZMM5261 ZMM5262 ZMM5263 ZMM5264 ZMM5265 ZMM5266 ZMM5267 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.1 2.0 1.8 1.7 NOTES (1) The Zener impedance is derived from the 1kHz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units (2) Valid provided that electrodes are kept at ambient temperature (3) Tested under thermal equilibrium and DC test conditions RATINGS AND CHARACTERISTIC CURVES ZMM5225 THRU ZMM5267 .


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