ATH36C

ATH Series Automotive Electrical Overvoltage Transient Suppressors Leaded - > ATH series Description Overvoltage transient suppressors are designed for applications requiring a low voltage rectifier with reverse avalanche characteristics for use as reverse power transient suppressors. Developed to suppress transients in the automotive system, these devices operate in reverse mode as power avalanche rectifier and will protect electronic equipment from overvoltage conditions Features • Halogen-Free • RoHS complaint • Glass passivated junction for reliability • Patented construction • Suitable for standard ISO 7637-2 or ISO16750-2; • Fast response time • Excellent clamping capability • Low incremental surge resistance • Plastic package has Underwriters Laboratory Flammability classification 94V-O • Matte Tin Lead-free plated Maximum Ratings and Thermal Characteristics (TA=25℃ unless otherwise noted) Parameter Symbol 10ms×400ms 12V system 87V 0.5Ω 4277 E typ. 10ms×350ms 24V system 174V 1Ω 10ms×350ms 24V system 174V 2Ω 7493 waveform Designed to protect sensitive electronics from: - Inductive Load Switching - Alternator Load Dump -GPS navigation systems ATH series10x1000μs 150 This test is a simulation of load dump transient, occurring in the KW waveform 15 Operating Junction and Storage Temperature Range TJ, TSTG -50 to 150 ℃ Typical Thermal Resistance Junction to lead RuJL 8.0 ℃ /W Typical Thermal Resistance Junction to Ambient RuJA 40 ℃ /W Note: 10*1000μs peak pulse current Test background J 14987 PPPM Applications Unit 8553 10ms×400ms 12V system 87V 1Ω ATH series 8×20μs Value Characteristics refer to electrical table. Test parameters event of a discharged battery being disconnected while the alternator is generating charging current and with other loads Parameter 12V system 24V system remaining on the alternator circuit at this moment; the load Us 65V to 87V 123V to 174V Ri 0.5Ω to 4Ω 1Ω to 8Ω is disconnected. In most new alternators, the load dump td 40ms to 400ms 100ms to 350ms amplitude is suppressed (clamped) by the addition of the tr (10 0−5 ) ms Note Pulse waveform see figure 1, figure 2. dump amplitude depends on the alternator speed and on the level of the alternator field excitation at the moment the battery limiting diodes. Revision：20-Mar-14 www.brightking.com ATH Series ISO 7637-2 2004 5a Waveform Simulation Test Overvoltage transient suppressors (ATH20C/ATH24C) Clamped pulse waveform 12V system 87V 0.5Ω 400mS original pulse waveform 24V system 174V 2Ω 350mS original pulse waveform ATH20C ATH24C A A Overvoltage transient suppressors (ATH30C/ATH36C) Clamped pulse waveform ATH30C ATH36C A A Electrical Characteristics (TA=25℃ unless otherwise noted) VBR MIN.(V) VBR MAX.(V) IT (mA) Reverse Stand-Off Voltage VRWM(V) ATH16C 17.0 20.0 5.0 16.0 10.0 28.0 540 ATH20C 21.0 25.0 5.0 20.0 10.0 34.0 450 ATH24C 25.0 30.0 5.0 24.0 10.0 40.0 400 ATH30C 33.0 38.0 5.0 30.0 10.0 51.0 350 ATH36C 38.0 45.0 5.0 36.0 10.0 59.0 300 Part Number (Bi) Part Number (Bi) ATH16C ATH20C ATH24C ATH30C ATH36C Note: Breakdown Voltage @IT Test Current Reverse Leakage@ VRWM IR (μA) Maximum Clamping Voltage @IPP Vc(V) Peak Pulse Curren Ipp(A) Suitable ISO 7637-2 2004 5a test waveform Maximum Clamping Voltage Vc(V) 87V 400mS 174V 350mS 0.5Ω 1Ω 2Ω 4Ω 8Ω 28.0 33.0 39.0 50.0 57.0 × × × --- ---× × × × × --- × × × --- × × × × × × × × × × × × × × × Voltage level Resistance Level ‘x’ representatives meets this test condition; Revision：20-Mar-14 www.brightking.com ATH Series Ratings and Characteristic Curves (TA=25℃ unless otherwise noted) Figure 1. (Pulse 5a)without centralized load dump suppression Figure 2. (Pulse 5b)with centralized load dump suppression U td tr td tr A unsuppressed 0.9Us B suppressed UA 0.1Us 0.1Us UA 0 U s﹡ Us 0.9Us Us U 0 t Figure 4. Peak Pulse Power Rating Curve 100 10000 PPPM - Peak Pulse Power (kW) Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % Figure 3. Pulse Derating Curve t 80 60 40 20 0 1000 150KW, 8/20µs Waveform 100 10 0 25 50 75 100 125 150 175 TA-Ambient Temperature (℃) 200 Figure 5. I-V Curve Characteristics 0.1 1 10 100 1000 10000 td-Pulse Width (µs) Figure 6. Pulse Waveform IPP VC VBR VR IT IR IR IT V VR VBR VC % of Peak Power Current 120 Revision：20-Mar-14 Waveform Parameters: tr=8µs td=20µs Peak value Ipp 80 60 40 td=t|PP/2 20 0 IPP tr 100 0 5 10 15 20 t-Time (μs) 25 30 www.brightking.com ATH Series Soldering Parameters Reflow Condition Pre Heat Lead-free assembly - Temperature Min(Ts(min)) 150℃ - Temperature Max(Ts(max)) 200℃ tP TP TL tL 60~180 seconds Ts(max) Average ramp up rate (Liquidus Temp (TL) to peak 3℃/second max Ts(min) Ts(max) to TL - Ramp-up Rate 3℃/second max - Time (min to max) (ts) Ramp-down tS Preheat 25℃ Reflow - Temperature (TL) (Liquidus) 217℃ - Time (min to max) (ts) 60~150 seconds +0/-5 Critical Zone TL to TP Ramp-up t 25℃ to Peak Time (t) ℃ Peak Temperature (TP) 260 Time within 5℃ of actual peak Temperature (tP) 20~40 seconds Flow/Wave Soldering (Solder Dipping) Ramp-down Rate 6℃/second max Peak Temperature: 265℃ Time 25℃ to peak Temperature (TP) 8 minutes Max. Dipping Time: 10 seconds Do not exceed 280℃ Soldering: 1 time Dimensions ATH Series T D Items H L Max. Min. Max. D - 13.00 - 0.512 H - 15.5.00 - 0.610 L K F Revision：20-Mar-14 Inches Min. T K≤3.5 d Millimeters 6.00 10.0 0.23 0.393 3.00 0.118 F 7.5±0.8 0.3±0.33 d 0.8±0.1 0.0314±0.004 www.brightking.com ATH Series Part Numbering Systern ATH XX C TYPE CODE: A Uni-Directional C Bi-Directional VOLTAGE CODE (Refer to the Electrical Characteristics table) SERIES CODE Part Marking Systern YXXX ATH24C Logo Date Code Marking Code Packaging ATH series 200pcs/box 5M ax . Bulk 18 65 Max. 245 Max. Note: We will always keep the technical specification updates, to customers provide with better products Revision：20-Mar-14 www.brightking.com