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| STIEC45-XXAS TransilTM for IEC 61000-4-5 compliance Features Peak pulse current: 500 A (8/20 s, 1.2/50 s) Stand off voltage range: from 24 V to 33 V Unidirectional types Low leakage current - 0.2 A at 25 C - 1 A at 85 C Operating Tj max: 150 C High peak current capability at Tj max : 410 A 8/20 s JEDEC registered package outline K SMC (JEDEC DO-214AB) A Complies with the following standards Description The STIEC45 Transil series has been designed to protect DC power supply lines according to IEC 61000-4-5. This device protects circuits against electrical fast transients (EFT) according to IEC 61000-4-4 and ETS EN 300 386. Protection against electrostatic discharges is provided according to IEC 61000-4-2 and MIL STD 883 Method 3015. Planar technology makes these devices suitable for high-end equipment and SMPS where low leakage current and high junction temperature are required to provide reliability and stability over time. The STIEC45 device is packaged in SMC (SMC footprint in accordance with IPC 7351 standard). IEC 61000-4-2 level 4 - 15 kV (air discharge) - 8 kV (contact discharge) MIL STD 883G - Method 3015-7 Class 3B - 25 kV HBM (human body model) IEC 61000-4-5 - Level 4 4 kV with R = 12 (334 A) common mode - Level 2 1 kV with R = 2 (500 A) differential mode MIL STD 883G, method 3015-7 Class 3B -25 kV HBM (human body model) Resin meets UL 94, V0 MIL-STD-750, method 2026 soldererabilty EIA STD RS-481 and IEC 60286-3 packing IPC 7531 footprint TM: Transil is a trademark of STMicroelectronics December 2009 Doc ID 16871 Rev 1 1/9 www.st.com 9 Characteristics STIEC45-XXAS 1 Characteristics Table 1. Symbol IPP Tstg Tj TL Absolute maximum ratings (Tamb = 25 C) Parameter Peak pulse current(1) (8/20 s, 1.2/50 s) Storage temperature range Operating junction temperature range Maximum lead temperature for soldering during 10 s. Tj initial = Tamb Value 500 -65 to +150 -55 to +150 260 Unit A C C C 1. For a surge greater than the maximum values, the diode will fail in short-circuit. Table 2. Symbol Rth(j-l) Rth(j-a) Thermal resistances Parameter Junction to leads Junction to ambient on printed circuit on recommended pad layout Value 15 90 Unit C/W C/W Figure 1. Electrical characteristics - parameters I Symbol VBR VCL IRM VRM IF IPP IR VF Rd = = = = = = = = = Parameter Breakdown voltage Clamping voltage Leakage current @ VRM Stand-off voltage Forward current Peak pulse current Breakdown current Forward voltage drop Dynamic impedance IF VCL VBR VRM IRM IR VF V IPP 2/9 Doc ID 16871 Rev 1 STIEC45-XXAS Table 3. Electrical characteristics - parameter values (Tamb = 25 C) IRM @VRM Order code 25 C 85 C V 1 1 1 1 1 1 24 26 27 28 30 33 26.7 28.9 30 31.1 33.3 36.7 Min. VBR @IR(1) Typ. V 28.2 30.3 31.6 32.6 35 38.6 29.5 31.9 33.2 34.3 36.8 40.6 Max. mA 1 1 1 1 1 1 Characteristics RD(2) VCL @IPP 8/20 s, 1.2/50 s 8/20 s Max. V 42 45 47 49 55 59 A 500 500 500 500 500 500 Typ. 0.025 0.026 0.028 0.029 0.036 0.036 T (3) max 10-4/ C 9.6 9.7 9.7 9.8 9.9 10 A STIEC45-24AS STIEC45-26AS STIEC45-27AS STIEC45-28AS STIEC45-30AS STIEC45-33AS 0.2 0.2 0.2 0.2 0.2 0.2 1. Pulse test: tp < 50 ms 2. To calculate maximum clamping voltage at other surge levels: VCLmax = RD x IPP + VBRmax 3. To calculate VBR versus junction temperature: VBR @ Tj = VBR @ 25C x (1 + T x (Tj - 25)) Note: Figure 2. Surge capability given for both directions for unidirectional and bidirectional types. Pulse form Figure 3. IPP(A) 8/20 s, 1.2/50 s 500 400 300 200 100 0 0 25 50 75 100 125 150 Peak pulse current versus initial junction temperature % Ipp 100 600 Repetitive pulse current tr = rise time (s) tp = pulse duration time (s) 50 0 t tr tp Tj(C) 175 Doc ID 16871 Rev 1 3/9 Characteristics Figure 4. Clamping voltage at 500 A (1.2/50 s - 8/20 s) 100 A/div STIEC45-XXAS Surge current Remaining voltage - STIEC45-24AS 10 V/div 5 s/div 5 s/div Remaining voltage - STIEC45-26AS 10 V/div Remaining voltage - STIEC45-28AS 10 V/div 5 s/div 5 s/div Remaining voltage- STIEC45-33AS 10 V/div Remaining voltage - STIEC45-30AS 10 V/div 5 s/div 5 s/div Figure 5. Junction capacitance versus reverse applied voltage (typical values) Figure 6. Peak forward voltage drop versus peak forward current (typical values) 10000 C (pF) F=1 MHz Vosc=30 mVRMS Tj=25 C 1.E+03 IFM(A) 1.E+02 STIEC45-24AS 1.E+01 Tj = 25 C 1000 STIEC45-33AS 1.E+00 Tj = 150 C 1.E- 01 100 1 10 VR(V) 100 1.E- 02 0.0 VFM(V) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 4/9 Doc ID 16871 Rev 1 STIEC45-XXAS Characteristics Figure 7. Relative variation of thermal impedance, junction to ambient, versus pulse duration Figure 8. Thermal resistance junction to ambient versus copper surface under each lead Zth(j a) / Rth(j a) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1.E-01 1.E+00 1.E+01 1.E+02 Single pulse 100 Recommended pad layout PCB FR4, copper thickness = 35 m Rth(j-a)(C/W) PCB FR4, copper thickness = 35 m 90 80 70 60 50 40 30 20 10 tP(s) 1.E+03 SCU(cm) 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Figure 9. Leakage current versus junction temperature (typical values) 1.E+03 IR (nA) VR=VRM 1.E+02 1.E+01 1.E+00 25 50 75 100 125 Tj(C) 150 Doc ID 16871 Rev 1 5/9 Ordering information scheme STIEC45-XXAS 2 Ordering information scheme Figure 10. Ordering information scheme STIEC45 - XX A S IEC 61000-4-5 Stand off voltage 27 = 27 V Current capability code A = 500 A, 8/20 s, 1.2/50 s Package S = SMC package (JEDEC DO-214AB) 6/9 Doc ID 16871 Rev 1 STIEC45-XXAS Package information 3 Package information Case: JEDEC DO-214AB molded plastic over planar junction Terminals: solder plated, solderable per MIL-STD-750, Method 2026 Polarity: for unidirectional types the band indicates cathode Flammability: epoxy is rated UL94V-0 RoHS package In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. Table 4. SMC dimensions Dimensions Ref. E1 Millimeters Min. Max. 2.45 0.20 3.2 0.41 8.15 7.15 4.70 6.25 1.60 Inches Min. 0.075 0.002 0.114 0.006 0.305 0.260 0.173 0.218 0.030 Max. 0.096 0.008 0.126 0.016 0.321 0.281 0.185 0.246 0.063 A1 D 1.90 0.05 2.90 0.15 7.75 6.60 4.40 5.55 0.75 A2 b E c E A1 E1 b C E2 L A2 E2 D L Figure 11. Footprint dimensions in mm (inches) Figure 12. Marking layout 1.54 (0.061) 5.11 (0.201) 1.54 (0.061) Cathode bar 3.14 (0.124) E xxxx z y ww E: ECOPACK environmental status XXXX: Marking Z: Manufacturing location Y: Year WW: week 8.19 (0.322) Note: Marking layout can vary according to assembly location. Doc ID 16871 Rev 1 7/9 Ordering information STIEC45-XXAS 4 Ordering information Table 5. Ordering information Marking 4524A 4526A 4527A SMC STIEC45-28AS STIEC45-30AS STIEC45-33AS 4528A 4530A 4533A 0.25 g 2500 Tape and reel Package Weight Base qty Delivery mode Order code STIEC45-24AS STIEC45-26AS STIEC45-27AS 5 Revision history Table 6. Date 07-Dec-2009 Document revision history Revision 1 First issue. Changes 8/9 Doc ID 16871 Rev 1 STIEC45-XXAS Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2009 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com Doc ID 16871 Rev 1 9/9 |
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