1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings * Symbol TA = 25C unless otherwise noted Parameter PD Power Dissipation Derate above 50C TSTG Storage Temperature Range TJ Maximum Junction Operating Temperature Lead Temperature (1/16" from case for 10 seconds) Value 500 4.0 Units mW mWC -65 to +200 C +200 C +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. 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 7.125 7.79 8.265 8.645 9.5 ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 30 30 30

1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings * Symbol TA = 25C unless otherwise noted Parameter PD Power Dissipation Derate above 50C TSTG Storage Temperature Range TJ Maximum Junction Operating Temperature Lead Temperature (1/16" from case for 10 seconds) Value 500 4.0 Units mW mWC -65 to +200 C +200 C +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. 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 7.125 7.79 8.265 8.645 9.5 ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 30 30 30

1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings * Symbol TA = 25C unless otherwise noted Parameter PD Power Dissipation Derate above 50C TSTG Storage Temperature Range TJ Maximum Junction Operating Temperature Lead Temperature (1/16" from case for 10 seconds) Value 500 4.0 Units mW mWC -65 to +200 C +200 C +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. 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 7.125 7.79 8.265 8.645 9.5 ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 30 30 30

1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings * Symbol TA = 25C unless otherwise noted Parameter PD Power Dissipation Derate above 50C TSTG Storage Temperature Range TJ Maximum Junction Operating Temperature Lead Temperature (1/16" from case for 10 seconds) Value 500 4.0 Units mW mWC -65 to +200 C +200 C +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. 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 7.125 7.79 8.265 8.645 9.5 ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 30 30 30

1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings * Symbol TA = 25C unless otherwise noted Parameter PD Power Dissipation Derate above 50C TSTG Storage Temperature Range TJ Maximum Junction Operating Temperature Lead Temperature (1/16" from case for 10 seconds) Value 500 4.0 Units mW mWC -65 to +200 C +200 C +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. 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 7.125 7.79 8.265 8.645 9.5 ZZK () @ IZK (mA) IR (A) @ VR (V) TC (%/C) 30 30 30

1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Values are at TA = 25C unless otherwise noted. Symbol PD TSTG TJ Value Unit Power Dissipation Parameter 500 mW Derate above 50C 4.0 mWC Storage Temperature Range -65 to +200 C Operating Junction Temperature Range -65 to +200 C +230 C Lead Temperature (1/16 inch from case for 10 s) Note: 1. These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Non-recurrent square wave Pulse Width = 8.3 ms, TA = 50C (c) 2007 Fairchild Semiconductor Corporation 1N5221B - 1N5263B

SEMICONDUCTORS MCU/MPU/DSP Atmel. . . . . . . . . 167, 168, 169, 170, 171, 172 Blackhawk. . . . . . . . . . . . . . . . . . . . . . . . . 173 Cyan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Cypress. . . . . . . . . . . . . . . 175, 176, 177, 178 Elprotronic. . . . . . . . . . . . . . . . . . . . . . . . . 179 Future Designs, Inc. . . . . . . . . . . . . . . . . . 180 Freescale. . . . . . . . . . 181, 182, 183, 184, 185, . . . . . . . . . . . . . . . . . . . . . . 186, 187, 188, 189 IAR Systems. . . . . . . . . . . . . . . . . . . . . . . 190 Infineon. . . . . . . . . . . . . . . . . . . . . . . . . . . 191 NEC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Keil Software. . . . . . . . . . . . . . . . . . . . . . . 192 Microchip. . . . . . 193, 194, 195, 196, 197, 198 NXP Semiconductor . . . . . . . . . . . . . 199, 200 Parallax. . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Ramtron. . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Silicon Labs. . . . 203, 20

1N5221B - 1N5263B Zener Diodes Tolerance = 5% DO-35 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Values are at TA = 25C unless otherwise noted. Symbol PD TSTG TJ Value Unit Power Dissipation Parameter 500 mW Derate above 50C 4.0 mWC Storage Temperature Range -65 to +200 C Operating Junction Temperature Range -65 to +200 C +230 C Lead Temperature (1/16 inch from case for 10 s) Note: 1. These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Non-recurrent square wave Pulse Width = 8.3 ms, TA = 50C (c) 2007 Fairchild Semiconductor Corporation 1N5221B - 1N5263B

Date Created: 4/28/2003 Date Issued: 1/26/2004 PCN # 20031704 DESIGN/PROCESS CHANGE NOTIFICATION -- FINAL Please refer to Forecast PCN# 20031203. This is to inform you that a design and/or process change will be made to the following product(s). This notification is for your information and concurrence. If you require data or samples to qualify this change, please contact Fairchild Semiconductor within 30 days of receipt of this notification. If you have any questions concerning this change, please contact: Name: KIM, HOHYUN E-Mail: HOHYUN.KIM@notes.fairchildsemi.com Phone: 82-32-680-1313 PCN Originator Name: Pepito, Monaliza B. E-mail: Monaliza.Pepito@notes.fairchildsemi.com Phone: (+6332)340-0534 REL Engineer Name: Uy, Lester O. E-mail: Lester.Uy@notes.fairchildsemi.com Phone: 63-32-3415636 PCN Type: Die Shrink Effectivity Expected 1st Device Shipment Date: 4/23/2004 Earliest Year/Work Week of Changed Product: 0417 (Note: Package marking may differ from this format) Product ID (Description): This change wil

Date Created: 1/4/2004 Date Issued: 1/25/2004 PCN # 20040103 DESIGN/PROCESS CHANGE NOTIFICATION -- FINAL This is to inform you that a design and/or process change will be made to the following product(s). This notification is for your information and concurrence. If you require data or samples to qualify this change, please contact Fairchild Semiconductor within 30 days of receipt of this notification. If you have any questions concerning this change, please contact: Name: PARK, JAEHONG E-Mail: JAEHONG.PARK@notes.fairchildsemi.com Phone: PCN Originator Name: Marzo, Archer P. E-mail: Archer.Marzo@notes.fairchildsemi.com Phone: 63(32 ) 3400-534/341-5657 REL Engineer Name: Uy, Lester O. E-mail: Lester.Uy@notes.fairchildsemi.com Phone: 63-32-3415636 PCN Type: Barcode Format or Content Effectivity Expected 1st Device Shipment Date: 4/15/2004 Earliest Year/Work Week of Changed Product: 0416 (Note: Package marking may differ from this format) Product ID (Description): Alll DO-35,DO-41 and LL-34 packages in Tape and