SS6638/ U/ US SS6640/ US SS6642/ U/ US SENSITRON SEMICONDUCTOR TECHNICAL DATA DATA SHEET 4973, REV. B SIGNAL OR COMPUTER DIODE SS6638, SS6640, SS6642 • Switching Diode • Hermetic, non-cavity glass package • Metallurgically bonded • Manufacture & screen to TX/TXV/JANS per MIL-PRF-19500/578,609 using Sensitron specification, 7700-409X Physical dimensions: Axial lead similar to DO-35 and surface mount similar to (D-5D) Maximum ratings TA=+25oC: Types SS6638,SS6638U SS6640,SS6640U SS6642,SS6642U VBR V(pk) 150 75 100 VRWM V(pk) 125 50 75 Io MA 300 300 300 IFSM Tp=1/120s A(pk) 2.5 2.5 2.5 AXIAL 1N6638 thru 1N6643 PACKAGE DIMENSIONS - INCHES ( MILLIMETERS) STYLE φB φD G L .018/.022 .056/.080 .130/.180 1.00/1.50 DO-35 0.46/0.56 1.42/2.03 3.30/4.57 25.4/38.10 TSTG, TJ o C -65 to +175 -65 to +175 -65 to +175 RθJL L=.375 o C/W 150 150 150 RθJEC L=0 o C/W 40 40 40 ZθJX o C/W 25 25 25 MELF 1N6638U thru 1N6643U PACKAGE DIMENSIONS - INCHES ( MILLIMETERS) STYLE BL BD S ECT .165/.195 .070/.085 0.003 Min .019/.028 D-5D 4.19/4.95 1.78/2.16 0.48/0.71 • 221 WEST INDUSTRY COURT • DEER PARK, NY 11729-4681 • PHONE (631) 586-7600 • FAX (631) 242-9798 • • World Wide Web - http://www.sensitron.com • E-Mail - [email protected] • SENSITRON SEMICONDUCTOR 1N6638/ U/ US 1N6640/ US 1N6642// U/US TECHNICAL DATA DATA SHEET 4081, REV. B DISCLAIMER: 1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the datasheet(s). 2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by means of users’ fail-safe precautions or other arrangement . 3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during operation of the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information, products or circuits described in the datasheets. 4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from use at a value exceeding the absolute maximum rating. 5- No license is granted by the datasheet(s) under any patents or other rights of any third party or Sensitron Semiconductor. 6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of Sensitron Semiconductor. 7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and regulations. • 221 WEST INDUSTRY COURT • DEER PARK, NY 11729-4681 • PHONE (631) 586-7600 • FAX (631) 242-9798 • • World Wide Web - http://www.sensitron.com • E-Mail - [email protected] •