1N4938

1N4938, 1N4938-1, LL4938 WATERTOWN DIVISION Silicon Switching Diode P RODUCT P REVIEW DESCRIPTION KEY FEATURES W W W. Microsemi . COM These silicon switching diodes are available in DO-35 glass packages and LL4938 Mini-Melf (DO-213AA). These devices are used in generalpurpose applications where high voltage and switching speed are important. When ordering Mil-PRF-19500/169 parts, use the number with the appropriate 1N4938-1 JAN, JTX or JTXV prefix. metallurgical bonded. available up to JANTXV for 1N4938-1 axial devices & 1N4938UR-1 MINI-MELF. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com ABSOLUTE MAXIMUM RATINGS AT 25º C (UNLESS OTHERWISE SPECIFIED) Rating Peak Inverse Voltage@ 100µA Average Rectified Current Continuous Forward Current Peak Surge Current (t peak = 1 µsec.) Power Dissipation T L =50°C, L = 3/8” from body Storage Temperature Range Operating Temperature Symbol PIV IA vg IF dc I peak P tot TS t TOp Value 200(Min.) 100 100 1.0 500 -65 to +200 -65 to +175 Unit Volts mAmps mAmps Amp mWatts ºC ºC APPLICATIONS/BENEFITS APPLIC APPLICATIONS/BENEFITS High Voltage and Switching Speed. 1N4938 LL4938 1N4938, 1N4938-1, LL4938 1N4938, 1N4938-1, LL4938 Copyright  2001 Rev. 0.02, 2001-05-15 Microsemi 580 Pleasant Street, Watertown, MA. 02472-2408, 617-926-0404, Fax: 617-924-1235 Page 1 1N4938, 1N4938-1, LL4938 WATERTOWN DIVISION Silicon Switching Diode P RODUCT P REVIEW W W W. Microsemi . COM ELECTRICAL PARAMETERS @ 25°C (unless otherwise specified) Parameter Forward Voltage Drop Reverse Leakage Current @150°C Reverse Leakage Current Capacitance Reverse Recovery Time Symbol VF IR IR CT Tr r Conditions 1F =100mA VR = 175 V VR = 175 V VR = 0 V, F = 1 MHZ (See note 1) Min Max 1.0 100 100 5.0 50 Units V µA nA PF ns Note 1: Per Method 4031-B with IF = IR = 30 ma, RL = 100 Ohms, C = 3 Pf ELECTRICAL ELECTRICAL PRODUCT PRELIMINARY DATA – Information contained in this document is pre-production data, and is proprietary to Microsemi Corp. It may not be modified in any way without the express written consent of Microsemi Corp. Product referred to herein is not guaranteed to achieve preliminary or production status and product specifications, configurations, and availability may change at any time. Copyright  2001 Rev. 0.02, 2001-05-15 Microsemi 580 Pleasant Street, Watertown, MA. 02472-2408, 617-926-0404, Fax: 617-924-1235 Page 2 1N4938, 1N4938-1, LL4938 WATERTOWN DIVISION Silicon Switching Diode P RODUCT P REVIEW W W W. Microsemi . COM 1N4938 DO-35 Glass Package (nominal dimensions) DATA PACKAGE DATA PACKAGE LL4938 LL-34/35 MINI-MELF SMD Package (DO-213AA) (nominal dimensions) Copyright  2001 Rev. 0.02, 2001-05-15 Microsemi 580 Pleasant Street, Watertown, MA. 02472-2408, 617-926-0404, Fax: 617-924-1235 Page 3 1N4938, 1N4938-1, LL4938 WATERTOWN DIVISION Silicon Switching Diode P RODUCT P REVIEW NOTES: W W W. Microsemi . COM NOTES NOTES Copyright  2001 Rev. 0.02, 2001-05-15 Microsemi 580 Pleasant Street, Watertown, MA. 02472-2408, 617-926-0404, Fax: 617-924-1235 Page 4