Absolute Maximum Ratings * Tolerance = 5% TA = 25C unless otherwise noted Symbol PD Parameter Power Dissipation Derate above 50C Value 500 4.0 Units mW mWC TSTG Storage Temperature Range -65 to +200 C TJ Maximum Junction Operating Temperature +200 C Lead Temperature (1/16" from case for 10 seconds) +230 C * These ratings are limiting values above which the serviceability of the diode may be impaired. ** Non-recurrent square wave PW = 8.3ms, Ta = 50 degrees C. DO-35 Glass case COLOR BAND DENOTES CATHODE Electrical Characteristics Device TA=25C unless otherwise noted VZ (V) @ IZ (Note 1) 1N5221B 1N5222B 1N5223B 1N5224B 1N5225B Min. 2.28 2.375 2.565 2.66 2.85 Typ. 2.4 2.5 2.7 2.8 3 Max. 2.52 2.625 2.835 2.94 3.15 1N5226B 1N5227B 1N5228B 1N5229B 1N5230B 3.135 3.42 3.705 4.085 4.465 3.3 3.6 3.9 4.3 4.7 1N5231B 1N5232B 1N5233B 1N5234B 1N5235B 4.845 5.32 5.7 5.89 6.46 1N5236B 1N5237B 1N5238B 1N5239B 1N5240B ZZ () @ IZ (mA) ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 30 30 30 30 29 20 20 20 20 20 1,200 1,250 1,300 1,400 1,600 0.25 0.25 0.25 0.25 0.25 100 100 75 75 50 1.0 1.0 1.0 1.0 1.0 -0.085 -0.085 -0.080 -0.080 -0.075 3.465 3.78 4.095 4.515 4.935 28 24 23 22 19 20 20 20 20 20 1,600 1,700 1,900 2,000 1,900 0.25 0.25 0.25 0.25 0.25 25 15 10 5.0 2.0 1.0 1.0 1.0 1.0 1.0 -0.07 -0.065 -0.06 +/-0.055 +/-0.03 5.1 5.6 6 6.2 6.8 5.355 5.88 6.3 6.51 7.14 17 11 7.0 7.0 5.0 20 20 20 20 20 1,600 1,600 1,600 1,000 750 0.25 0.25 0.25 0.25 0.25 5.0 5.0 5.0 5.0 3.0 2.0 3.0 3.5 4.0 5.0 +/-0.03 0.038 0.038 0.045 0.05 7.125 7.79 8.265 8.645 9.5 7.5 8.2 8.7 9.1 10 7.875 8.61 9.135 9.555 10.5 6.0 8.0 8.0 10 17 20 20 20 20 20 500 500 600 600 600 0.25 0.25 0.25 0.25 0.25 3.0 3.0 3.0 3.0 3.0 6.0 6.5 6.5 7.0 8.0 0.058 0.062 0.065 0.068 0.075 1N5241B 1N5242B 1N5243B 1N5244B 1N5245B 10.45 11.4 12.35 13.3 14.25 11 12 13 14 15 11.55 12.6 13.65 14.7 15.75 22 30 13 15 16 20 20 9.5 9.0 8.5 600 600 600 600 600 0.25 0.25 0.25 0.25 0.25 2.0 0.1 0.1 0.1 0.1 8.4 9.1 9.9 10 11 0.076 0.077 0.079 0.080 0.082 1N5246B 1N5247B 1N5248B 1N5247B 1N5250B 15.2 16.15 17.1 18.05 19 16 17 18 19 20 16.8 17.85 18.9 19.95 21 17 19 21 23 25 7.8 7.4 7.0 6.6 6.2 600 600 600 600 600 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 12 13 14 14 15 0.083 0.084 0.085 0.085 0.086 (c)2004 Fairchild Semiconductor Corporation 1N5221B - 1N5279B, Rev. H1 Zeners 1N5221B - 1N5279B Zeners 1N5221B - 1N5279B A Device VZ (V) @ IZ (Note 1) 1N5251B 1N5252B 1N5253B 1N5254B 1N5255B Min. 20.9 22.8 23.75 25.65 26.6 Typ. 22 24 25 27 28 Max. 23.1 25.2 26.25 28.35 29.4 1N5256B 1N5257B 1N5258B 1N5259B 1N5260B 28.5 31.35 34.2 37.05 40.85 30 33 36 39 43 1N5261B 1N5262B 1N5263B 1N5264B 1N5265B 44.65 48.45 53.2 57 58.9 1N5266B 1N5267B 1N5268B 1N5269B 1N5270B ZZ () @ IZ (mA) ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 29 33 35 41 44 5.6 5.2 5.0 4.6 4.5 600 600 600 600 600 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 17 18 19 21 21 0.087 0.088 0.088 0.089 0.090 31.5 34.65 37.8 40.95 45.15 49 58 70 80 93 4.2 3.8 3.4 3.2 3.0 600 700 700 800 900 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 23 25 27 30 33 0.09 0.092 0.093 0.094 0.095 47 51 56 60 62 49.35 53.55 58.8 63 65.1 105 125 150 170 185 2.7 2.5 2.2 2.1 2.0 1000 1100 1300 1400 1400 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 36 39 43 46 47 0.095 0.096 0.096 0.097 0.097 64.6 71.25 80.75 82.65 96.45 68 75 85 87 91 71.4 78.75 89.25 91.35 95.55 230 270 330 370 400 1.8 1.7 1.5 1.4 1.4 1600 1700 2000 2200 2300 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 52 56 62 68 69 0.097 0.098 0.098 0.099 0.099 1N5271B 1N5272B 1N5273B 1N5274B 1N5275B 95 104.5 114 123.5 133 100 110 120 130 140 105 115.5 126 136.5 147 500 750 900 1100 1300 1.3 1.1 1.0 0.95 0.90 2600 3000 4000 4500 4500 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 76 84 91 99 106 0.099 0.11 0.11 0.11 0.11 1N5276B 1N5277B 1N5278B 1N5279B 142.5 152 161.5 171 150 160 170 180 157.5 168 178.5 189 1500 1700 1900 2200 0.85 0.80 0.74 0.68 5000 5500 5500 6000 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 114 122 129 137 0.11 0.11 0.11 0.11 VF Forward Voltage = 1.2V Max. @ IF = 200mA Notes: 1. Zener Voltage (VZ) The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30C 1C and 3/8" lead length. (c)2004 Fairchild Semiconductor Corporation 1N5221B - 1N5279B, Rev. H1 Zeners 1N5221B - 1N5279B Electrical Characteristics (Continued) T =25C unless otherwise noted Device 1N5221B 1N5222B 1N5223B 1N5224B 1N5225B Line 1 LOGO LOGO LOGO LOGO LOGO Line 2 522 522 522 522 522 Line 3 1B 2B 3B 4B 5B Line 4 XY XY XY XY XY 1N5226B 1N5227B 1N5228B 1N5229B 1N5230B LOGO LOGO LOGO LOGO LOGO 522 522 522 522 523 6B 7B 8B 9B 0B XY XY XY XY XY 1N5231B 1N5232B 1N5233B 1N5234B 1N5235B LOGO LOGO LOGO LOGO LOGO 523 523 523 523 523 1B 2B 3B 4B 5B XY XY XY XY XY 1N5236B 1N5237B 1N5238B 1N5239B 1N5240B LOGO LOGO LOGO LOGO LOGO 523 523 523 523 524 6B 7B 8B 9B 0B XY XY XY XY XY 1N5241B 1N5242B 1N5243B 1N5244B 1N5245B LOGO LOGO LOGO LOGO LOGO 524 524 524 524 524 1B 2B 3B 4B 5B XY XY XY XY XY 1N5246B 1N5247B 1N5248B 1N5247B 1N5250B LOGO LOGO LOGO LOGO LOGO 524 524 524 524 525 6B 7B 8B 9B 0B XY XY XY XY XY 1N5251B 1N5252B 1N5253B 1N5254B 1N5255B LOGO LOGO LOGO LOGO LOGO 525 525 525 525 525 1B 2B 3B 4B 5B XY XY XY XY XY 1N5256B 1N5257B 1N5258B 1N5259B 1N5260B LOGO LOGO LOGO LOGO LOGO 525 525 525 525 526 6B 7B 8B 9B 0B XY XY XY XY XY 1N5261B 1N5262B 1N5263B 1N5264B 1N5265B LOGO LOGO LOGO LOGO LOGO 526 526 526 526 526 1B 2B 3B 4B 5B XY XY XY XY XY 1N5266B 1N5267B 1N5268B 1N5269B 1N5270B LOGO LOGO LOGO LOGO LOGO 526 526 526 526 526 6B 7B 8B 9B 0B XY XY XY XY XY 1N5271B 1N5272B 1N5273B 1N5274B 1N5275B LOGO LOGO LOGO LOGO LOGO 527 527 527 527 527 1B 2B 3B 4B 5B XY XY XY XY XY 1N5276B 1N5277B 1N5278B 1N5279B LOGO LOGO LOGO LOGO 527 527 527 527 6B 7B 8B 9B XY XY XY XY (c)2004 Fairchild Semiconductor Corporation 1N5221B - 1N5279B, Rev. H1 Zeners 1N5221B - 1N5279B Top Mark Information F 522 9B XY 1st line: F - Fairchild Logo 2nd line: Device Name - 3rd to 5th characters of the device name. or 4th to 6th characters for BZXyy series 3rd line: Device Name - 6th to 7th characters of the device name. or Voltage rating for BZXyy series 4th line: Device Code or - Two Digit - Six Weeks Date Code. Date code plus or Two Digit - Six Weeks Date Code Large die identification plus Large die identification, "L" General Requirements: 1.0 Cathod Band 2.0 First Line: F - Fairchild Logo 3.0 Second Line: Device name - For 1Nxx series: 3rd to 5th characters of the device name. For BZxx series: 4th to 6th characters of the device name. 4.0 Third Line: Device name - For 1Nxx series: 6th to 7th characters of the device name. For BZXyy series: Voltage rating 5.0 Fourth Line: XY or XYL - Two Digit - Six Weeks Date Code Where: X represents the last digit of the calendar year Y represents the Six weeks numeric code L represents the Large die identification 6.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec). 7.0 Maximum no. of marking lines: 4 8.0 Maximum no. of digits per line: 3 9.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line. 10.0 Marking Font: Arial (Except FSC Logo) 11.0 First character of each marking line must be aligned vertically (c)2004 Fairchild Semiconductor Corporation 1N5221B - 1N5279B, Rev. H1 Zeners 1N5221B - 1N5279B Top Mark Information (Continued) TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. 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PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I12