SM8A27_08

SM8A27 Vishay General Semiconductor Surface Mount Automotive Transient Voltage Suppressors High Temperature Stability and High Reliability Conditions FEATURES • Patented PAR® construction • Low leakage current • Low forward voltage drop • High surge capability • Meets ISO7637-2 surge spec • Meets MSL level 1, per J-STD-020, LF maximum peak of 245 °C DO-218AB * nted e Pat *Patent #'s: 4,980,315 5,166,769 5,278,095 • Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC TYPICAL APPLICATIONS Used in sensitive electronics protection against voltage transients induced by inductive load switching and lighting, especially for automotive load dump protection application. 27 V 6600 W 8.0 W 130 A 700 A 175 °C PRIMARY CHARACTERISTICS VBR PPPM (10 x 1000 µs) PD IRSM IFSM TJ max. MECHANICAL DATA Case: DO-218AB Molding compound meets UL 94 V-0 flammability rating Base P/NHE3 - RoHS compliant, high reliability/ automotive grade (AEC Q101 qualified) Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102 HE3 suffix meets JESD 201 class 2 whisker test Polarity: Heatsink is anode MAXIMUM RATINGS (TC = 25 °C unless otherwise noted) PARAMETER Peak pulse power dissipation with 10/1000 µs waveform Power dissipation on infinite heatsink at TC = 25 °C (Fig. 1) Non-repetitive peak reverse surge current for 10 µs/10 ms exponentially decaying waveform Maximum working stand-off voltage Peak forward surge current 8.3 ms single half sine-wave Operating junction and storage temperature range SYMBOL PPPM PD IRSM VWM IFSM TJ, TSTG VALUE 6600 8.0 130 22.0 700 - 55 to + 175 UNIT W A V A °C Document Number: 88386 Revision: 21-Oct-08 For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com www.vishay.com 1 SM8A27 Vishay General Semiconductor ELECTRICAL CHARACTERISTICS (TC = 25 °C unless otherwise noted) PARAMETER Reverse zener voltage Zener voltage temperature coefficient Clamping voltage for 10 µs/10 ms exponentially decaying waveform Instantaneous forward voltage (1) Reverse leakage current rated VWM TEST CONDITIONS 10 mA IZ = 10 mA IPP = 75 A 6.0 A 100 A TJ = 25 °C TJ = 175 °C SYMBOL VZ VZTC VC VF IR MIN 24.0 TYP MAX 30.0 36 40.0 0.98 1.0 50.0 UNIT V mV/°C V V µA 0.93 Note: (1) Measured on a 300 µs square pulse width THERMAL CHARACTERISTICS (TC = 25 °C unless otherwise noted) PARAMETER Typical thermal resistance, junction to case SYMBOL RθJC VALUE 0.90 UNIT °C/W ORDERING INFORMATION (Example) PREFERRED P/N SM8A27HE3/2D UNIT WEIGHT (g) 2.605 PREFERRED PACKAGE CODE 2D BASE QUANTITY 750 DELIVERY MODE 13" diameter paper tape and reel, anode towards the sprocket hole RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted) 8.0 6000 5000 Power Dissipation (W) 6.0 Load Dump Power (W) 4000 3000 2000 4.0 2.0 1000 0 0 50 100 150 200 25 50 75 100 125 150 175 0 Case Temperature (° C) Case Temperature (° C) Figure 1. Power Derating Curve Figure 2. Load Dump Power Characteristics (10 ms Exponential Waveform) www.vishay.com 2 For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com Document Number: 88386 Revision: 21-Oct-08 SM8A27 Vishay General Semiconductor 150 tr = 10 µs Instantaneous Reverse Current (µA) Input Peak Pulse Current % 100 Peak Value IPPM TJ = 25 °C Pulse Width (td) is defined as the Point where the Peak Current decays to 50 % of IPPM 100 10 TJ = 175 °C 1.0 Half Value - IPP IPPM 2 50 0.1 0.01 TJ = 25 °C 10-3 10-4 td 0 0 10 20 30 40 5 20 35 50 65 80 95 t - Time (ms) Percentage of VBR (%) Figure 3. Pulse Waveform Figure 6. Typical Reverse Characteristics 10 000 100 Transient Thermal Impedance (°C/W) Reverse Surge Power (W) RθJA 10 1 RθJC 0.1 1000 10 100 0.01 0.01 0.1 1 10 100 Pulse Width (ms) - ½ IPP Exponential Waveform t - Pulse Width (s) Figure 4. Reverse Power Capability Figure 7. Typical Transient Thermal Impedance 100 Instantaneous Forward Current (A) 10 TJ = 150 °C 1.0 TJ = 25 °C 0.1 0.01 0.35 0.45 0.55 0.65 0.75 0.85 0.95 Instantaneous Forward Voltage (V) Figure 5. Typical Instantaneous Forward Characteristics Document Number: 88386 Revision: 21-Oct-08 For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com www.vishay.com 3 SM8A27 Vishay General Semiconductor PACKAGE OUTLINE DIMENSIONS in inches (millimeters) DO-218AB 0.628(16.0) 0.592(15.0) 0.539(13.7) 0.524(13.3) 0.116(3.0) 0.093(2.4) Mounting Pad Layout 0.091(2.3) 0.067(1.7) 0.116(3.0) 0.093(2.4) 0.413(10.5) 0.342(8.7) 0.374(9.5) 0.327(8.3) 0.413(10.5) 0.374(9.5) 0.366(9.3) 0.343(8.7) 0.406(10.3) 0.382(9.7) Lead 1 0.197(5.0) 0.185(4.7) 0.138(3.5) 0.098(2.5) 0.366(9.3) 0.343(8.7) 0.606(15.4) 0.583(14.8) 0.150(3.8) 0.126(3.2) 0.016 (0.4) MIN. Lead 2/Metal Heatsink 0.028(0.7) 0.020(0.5) 0.098(2.5) 0.059(1.5) www.vishay.com 4 For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com Document Number: 88386 Revision: 21-Oct-08 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1