Surface Mount Transient Voltage Suppressors (TVS)

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Aubrie McKinney
5 years ago
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Description The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

1 Description The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features Uni-directional For surface mounted applications in order to optimize board space Low leakage Uni and Bidirectional unit Glass passivated junction Low inductance Excellent clamping capability 400W Peak power capability at 10 0µs waveform Repetition rate (duty cycle):0.01% Fast response time: typically less than 1.0ps from 0 Volts to VBR min Typical IR less than 5μA above 12V High Temperature soldering: 260 C/40 seconds at terminals Typical maximum temperature coefficient ΔVBR = 0.1% VBR@25 C ΔT Plastic package has Underwriters Laboratory Flammability 94V-0 Matte tin lead free Plated Halogen free and RoHS compliant Typical failure mode is short from over-specified voltage or current Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c IEC ESD 15kV(Air), 8kV (Contact) ESD protection of data lines in accordance with IEC (IEC801-2) EFT protection of data lines in accordance with IEC (IEC801-4) Functional Diagram Cathode Anode Uni-direction Agency Approvals AGENCY AGENCY FILE NUMBER E Applications TVS devices are ideal for the protection of I/O interfaces, C bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications. Ratings (TA=25 unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation with a 10/0µs waveform (Fig.1)(Note 1), (Note 2) PPPM 400 Watts Peak Pulse with a 10/0µs waveform.(note1,fig.3) IPP See Next Table Amps Power Dissipation on Infinite Heat Sink at TL=75 C PM(AV) 1.0 Watt Peak Forward Surge, 8.3ms Single Half Sine Wave (Note 3) IFSM 40 Amps Instantaneous Forward at 25A for Unidirectional Only (Note 4) VF 3.5/5.0 Operating junction and Storage Temperature Range. TJ, TSTG -55 to +150 Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above T A = 25 per Fig Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum. 4. V F < 3.5V for V BR < 200V and V F< 6.5V for V BR > 201V. Revision March 28, / 2017

2 Electrical Characteristics (T A=25 unless otherwise noted) Part Number Marking Reverse Stand-Off VRWM(V) Breakdown VBR (V) Uni Bi Uni Bi MIN Test (ma) (V) Peak Pulse IPP (A) Reverse Leakage (μa) SMAJ5.0A SMAJ5.0CA AE WE SMAJ6.0A SMAJ6.0CA AG WG SMAJ6.5A SMAJ6.5CA AK WK SMAJ7.0A SMAJ7.0CA AM WM SMAJ7.5A SMAJ7.5CA AP WP SMAJ8.0A SMAJ8.0CA AR WR SMAJ8.5A SMAJ8.5CA AT WT SMAJ9.0A SMAJ9.0CA AV WV SMAJ10A SMAJ10CA AX WX SMAJ11A SMAJ11CA AZ WZ SMAJ12A SMAJ12CA BE XE SMAJ13A SMAJ13CA BG XG SMAJ14A SMAJ14CA BK XK SMAJ15A SMAJ15CA BM XM SMAJ16A SMAJ16CA BP XP SMAJ17A SMAJ17CA BR XR SMAJ18A SMAJ18CA BT XT SMAJ19A SMAJ19CA BB XB SMAJ20A SMAJ20CA BV XV SMAJ22A SMAJ22CA BX XX SMAJ24A SMAJ24CA BZ XZ SMAJ26A SMAJ26CA CE YE SMAJ28A SMAJ28CA CG YG SMAJ30A SMAJ30CA CK YK SMAJ33A SMAJ33CA CM YM SMAJ36A SMAJ36CA CP YP SMAJ40A SMAJ40CA CR YR SMAJ43A SMAJ43CA CT YT Revision March 28, / 2017

3 Electrical Characteristics (TA=25 unless otherwise noted) (Continue) Part Number Marking Reverse Stand-Off VRWM (V) Breakdown VBR (V) Uni Bi Uni Bi MIN Test (ma) (V) Peak Pulse IPP (A) Reverse Leakage (μa) SMAJ45A SMAJ45CA CV YV SMAJ48A SMAJ48CA CX YX SMAJ51A SMAJ51CA CZ YZ SMAJ54A SMAJ54CA RE ZE SMAJ58A SMAJ58CA RG ZG SMAJ60A SMAJ60CA RK ZK SMAJ64A SMAJ64CA RM ZM SMAJ70A SMAJ70CA RP ZP SMAJ75A SMAJ75CA RR ZR SMAJ78A SMAJ78CA RT ZT SMAJ80A SMAJ80CA RB ZB SMAJ85A SMAJ85CA RV ZV SMAJ90A SMAJ90CA RX ZX SMAJA SMAJCA RZ ZZ SMAJ110A SMAJ110CA SE VE SMAJ120A SMAJ120CA SG VG SMAJ130A SMAJ130CA SK VK SMAJ140A SMAJ140CA SB VB SMAJ150A SMAJ150CA SM VM SMAJ160A SMAJ160CA SP VP SMAJ170A SMAJ170CA SR VR SMAJ180A SMAJ180CA ST VT SMAJ190A SMAJ190CA SV VV SMAJ200A SMAJ200CA SW VW SMAJ220A SMAJ220CA SX VX SMAJ250A SMAJ250CA SZ VZ SMAJ300A SMAJ300CA DE HE SMAJ350A SMAJ350CA DG HG SMAJ400A SMAJ400CA DK HK SMAJ440A SMAJ440CA DM HM Note: 1. Suffix 'A ' denotes 5% tolerance device. 2. Add suffix ' CA ' after part number to specify devices. 3. For Bi-Directional devices having V R of 10 volts and under, the I R limit is double. Revision March 28, / 2017

4 Ratings and Characteristic Curves (TA=25 C unless otherwise noted) Figure 1 - Peak Pulse Power Rating Curve Figure 2 - Pulse Derating Curve PPPM - Peak Pulse Power (kw) t d - Pulse Width (μs) Peak Pulse Power (PPP) or (IPP) Derating in Percentage % TA-Ambient temperature( C) Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance IPPM - Peak Pulse, % IRSM tc tr=10µsec Peak Value IPPM Half Value I PPM (I PPM/2) TJ=25 C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 10/0µsec. Waveform as defined by R.E.A t - Time (ms) Cj (pf) 00 bins 10 Tj=25 f=1.0mhz Vsig=50mVp-p VBR-Reverse Breakdown (V) bins Figure 5 - Steady State Power Derating Curve Figure 6 - Non-Repetitive Surge PM(AV), Steady State Power Dissipation (W) T L - Lead Temperature( C) IFSM-Peak Forward Surge (A) TJ=TJ max. 8.3 ms Single Half Sine-Wave Number of Cycles at 60Hz Revision March 28, / 2017

5 I-V Curve Characteristics Uni-directional I I IF IPP VBRVRW R M IPP VF V C r i t i c a l VBRVRW R M IR IR IPP VRW M VBR R V Physical Specifications Z o n e T Environmental Specifications Weight ounce, gram Temperature Cycle JESD22-A104 Case Polarity Terminal Soldering Parameters JEDEC DO-214AC Molded Plastic over glass passivated junction T L t o P Pressure Cooker High Temp. Storage JESD22-A102 JESD22-A103 Color band denotes cathode except Bipolar HTRB JESD22-A108 Matte Tin-plated leads, Solderable per JESD22-B102D Thermal Shock JESD22-A106 Reflow Condition Lead free assembly -Temperature Min (Ts(min)) 150 C Pre Heat -Temperature Max (Ts(max)) 200 C T P T L Ramp-up Critical Zone TL to TP - Time (min to max) (Ts) Seconds Average ramp up rate ( Liquidus Temp TL) to peak 3 C/second max Temperature T S(max) T S(min) Preheat Ramp-down TS(max) to TL - Ramp-up Rate 3 C/second max - Temperature (TL) (Liquidus) 217 C Reflow - Time (min to max) (T L) Seconds Peak Temperature (TP) /-5 C 25 Time to peak temperature (t 25 to peak) Time Time within 5 C of actual peak Temperature (tp) Seconds Ramp-down Rate 6 C/second max Time 25 C to peak Temperature (TP) 8 minutes Max Do not exceed 280 C Revision March 28, / 2017

6 Dimensions DO-214AC (SMA) Cathode Band Inches Millimeters Dimensions Min Max Min Max A B C D E F G H I J K L Part Numbering Part Marking S M A J C A Socay Logo 5% VBR VOLTAGE TOLERANCE BI-DIRECTIONAL VR VOLTAGE SERIES Cathode Band Marking Code Revision March 28, / 2017

0 Tape and Reel Specifications 7.0/13.0 (177.8/330.0) 0.157 (4.0) 0.059 (1.5) Diameter 0.512(13.0) Arbor Hole Diameter 0.

7 Packaging Part Number Component Package Quantity Packaging Option Reel Diameters (mm) SMAJXXXXX DO-214AC (SMA) 0 pcs Tape & Reel -12mm/7 tape SMAJXXXXX DO-214AC (SMA) 5000 pcs Tape & Reel -12mm/13 tape Tape and Reel Specifications 7.0/13.0 (177.8/330.0) (4.0) (1.5) Diameter 0.512(13.0) Arbor Hole Diameter 0.36 (9.2) (12.0) 0.49 (12.4) (8.0) Cover tape Direction of Feed Dimensions are in inches (and millimeters) Revision March 28, / 2017

Transient Voltage Suppression Diodes Surface Mount 400W > SMAJ series. SMAJ Series. SMAJ Series

Transient Voltage Suppression Diodes Surface Mount 400W > SMAJ series. SMAJ Series. SMAJ Series Surface Mount 4W > SMAJ series RoHS Agency Approvals AGENCY AGENCY FILE NUMBER E2353 Ratings and Thermal Characteristics ( =25 O C unless otherwise noted Parameter Symbol Value Unit Peak Pulse Power Dissipation