Transient Suppression Diodes For General Purpose Use

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Winifred Shaw
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SMAJ SMCJ SMBJ GENERAL DESCRIPTION The SMAJ, SMBJ, and SMCJ Series are a popular format of general purpose transient voltage suppression diodes.

FEATURES Glass passivated chip 4W, 6W and 15W types (1/1us) Low leakage Flat clamping Very fast response time Halogen Free 1μA leakage for 12V and up Lead-Free Terminations APPLICATIONS Consumer

RATINGS RATING SYMBOL SMAJ SMBJ SMCJ UNITS Peak power dissipation with a 1/1us waveform 1 P PPM 4 6 15 Watts Peak pulse current with a 1/1us waveform 1 I PPM See tables Amps Power dissipation on

1 SMAJ SMCJ SMBJ GENERAL DESCRIPTION The SMAJ, SMBJ, and SMCJ Series are a popular format of general purpose transient voltage suppression diodes. They are based on the low leakage, high reliability, but low cost glass passivated chip rectifier technology. FEATURES Glass passivated chip 4W, 6W and 15W types (1/1us) Low leakage Flat clamping Very fast response time Halogen Free 1μA leakage for 12V and up Lead-Free Terminations APPLICATIONS Consumer Industrial Telecom Computer HOW TO ORDER SMAJ 12 CA Series SMAJ = 4W SMBJ = 6W SMCJ = 15W VoltageWM 5V - 44V C = Bi-directional, 5% Voltage Tolerance A = Uni-directional, 5% Voltage Tolerance MAXIMUM RATINGS RATING SYMBOL SMAJ SMBJ SMCJ UNITS Peak power dissipation with a 1/1us waveform 1 P PPM Watts Peak pulse current with a 1/1us waveform 1 I PPM See tables Amps Power dissipation on infinite heat sink at TL = 75ºC P D Watts Peak forward surge current,8.3ms single half sine-wave unidirectional only 2 IFSM Amps Operating junction and storage temperature range T J,T STG -55 ~ ~ ~ 15 ºC Typical thermal resistance junction to air θja ºC/W Typical thermal resistance junction to case θjc ºC/W NOTES: 1. Non-repetitive current pulse per Fig. 5 and derated above T A = 25ºC per Fig Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. 1

2 SMAJ SERIES PARAMETERS Device Working Peak Maximum Maximum Maximum SMAJ Breakdown Voltage Marking Reverse Voltage Clamping Reverse Reverse Part Number Code T VRWM Voltage V C (V) Surge Current Leakage I R (μa) UNI-POLAR BI-POLAR UNI BI (V) (V) Max. (V) IT I x RWM SMAJ5.A SMAJ5.CA AE WE SMAJ6.A SMAJ6.CA AG WG SMAJ6.5A SMAJ6.5CA AK WK SMAJ7.A SMAJ7.CA AM WM SMAJ7.5A SMAJ7.5CA AP WP SMAJ8.A SMAJ8.CA AR WR SMAJ8.5A SMAJ8.5CA AT WT SMAJ9.A SMAJ9.CA AV WV SMAJ1A SMAJ1CA 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 SMAJ2A SMAJ2CA BV XV SMAJ22A SMAJ22CA BX XX SMAJ24A SMAJ24CA BZ XZ SMAJ26A SMAJ26CA CE YE SMAJ28A SMAJ28CA CG YG SMAJ3A SMAJ3CA CK YK SMAJ33A SMAJ33CA CM YM SMAJ36A SMAJ36CA CP YP SMAJ4A SMAJ4CA CR YR SMAJ43A SMAJ43CA CT YT SMAJ45A SMAJ45CA CV YV SMAJ48A SMAJ48CA CX YX SMAJ51A SMAJ51CA CZ YZ SMAJ54A SMAJ54CA RE ZE SMAJ58A SMAJ58CA RG ZG SMAJ6A SMAJ6CA RK ZK SMAJ64A SMAJ64CA RM ZM SMAJ7A SMAJ7CA RP ZP SMAJ75A SMAJ75CA RR ZR SMAJ78A SMAJ78CA RT ZT SMAJ8A SMAJ8CA RB ZB SMAJ85A SMAJ85CA RV ZV SMAJ9A SMAJ9CA RX ZX SMAJ1A SMAJ1CA RZ ZZ SMAJ11A SMAJ11CA SE VE SMAJ12A SMAJ12CA SG VG SMAJ13A SMAJ13CA SK VK SMAJ14A SMAJ14CA SB VB SMAJ15A SMAJ15CA SM VM SMAJ16A SMAJ16CA SP VP SMAJ17A SMAJ17CA SR VR SMAJ18A SMAJ18CA ST VT SMAJ19A SMAJ19CA SV VV SMAJ2A SMAJ2CA SW VW SMAJ22A SMAJ22CA SX VX SMAJ25A SMAJ25CA SZ VZ SMAJ3A SMAJ3CA DE HE SMAJ35A SMAJ35CA DG HG SMAJ4A SMAJ4CA DK HK SMAJ44A SMAJ44CA DM HM NOTES: 1. Suffix A denotes 5% tolerance device. 2. Add suffix CA after part number to specify Bi-directional devices. 3. For Bi-Directional devices having VR of 1 volts and under, the IR limit is double. 2

3 SMAJ SERIES RATINGS AND CHARACTERISTICS Peak Pulse Derating in Percentage of Peak Power or Current (%) FIG 1. PULSE DERATING CURVE Ambient Temperature TA (ºC) Peak Forward Surge Current (A) FIG 2. MAXIMUM NON-REPETITIVE TJ = TJ max. 8.3 ms Single Half Sine-Wave 1 1 Number of Cycles at 6Hz Steady State Power Dissipation (W) FIG 3. STEADY STATE POWER DERATING CURVE Peak Power (kw) FIG 4. PEAK PULSE POWER RATING CURVE Non-repetitive Pulse Waveform shown in Fig 5 TA = 25ºC Lead Temperature TL (ºC) Pulse Width td (µs) FIG 5. PULSE WAVEFORM Peak Pulse Current (%) 1 5 td Tr = 1µs Peak Value (IPP) TJ = 25ºC Pulse width (td) is defined as the point where the peak current decasys to 5% of IPP Half value = IPP 2 1/1µsec. waveform as defined by R.E.A Time (ms) 3

4 SMBJ SERIES PARAMETERS Device Working Peak Maximum Maximum Maximum SMBJ Breakdown Voltage Marking Reverse Voltage Clamping Reverse Reverse Part Number Code T VRWM Voltage V C (V) Surge Current Leakage I R (μa) UNI-POLAR BI-POLAR UNI BI (V) (V) Max. (V) IT I x RWM SMBJ5.A SMBJ5.CA KE AE SMBJ6.A SMBJ6.CA KG AG SMBJ6.5A SMBJ6.5CA KK AK SMBJ7.A SMBJ7.CA KM AM SMBJ7.5A SMBJ7.5CA KP AP SMBJ8.A SMBJ8.CA KR AR SMBJ8.5A SMBJ8.5CA KT AT SMBJ9.A SMBJ9.CA KV AV SMBJ1A SMBJ1CA KX AX SMBJ11A SMBJ11CA KZ AZ SMBJ12A SMBJ12CA LE BE SMBJ13A SMBJ13CA LG BG SMBJ14A SMBJ14CA LK BK SMBJ15A SMBJ15CA LM BM SMBJ16A SMBJ16CA LP BP SMBJ17A SMBJ17CA LR BR SMBJ18A SMBJ18CA LT BT SMBJ19A SMBJ19CA LB BB SMBJ2A SMBJ2CA LV BV SMBJ22A SMBJ22CA LX BX SMBJ24A SMBJ24CA LZ BZ SMBJ26A SMBJ26CA ME CE SMBJ28A SMBJ28CA MG CG SMBJ3A SMBJ3CA MK CK SMBJ33A SMBJ33CA MM CM SMBJ36A SMBJ36CA MP CP SMBJ4A SMBJ4CA MR CR SMBJ43A SMBJ43CA MT CT SMBJ45A SMBJ45CA MV CV SMBJ48A SMBJ48CA MX CX SMBJ51A SMBJ51CA MZ CZ SMBJ54A SMBJ54CA NE DE SMBJ58A SMBJ58CA NG DG SMBJ6A SMBJ6CA NK DK SMBJ64A SMBJ64CA NM DM SMBJ7A SMBJ7CA NP DP SMBJ75A SMBJ75CA NR DR SMBJ78A SMBJ78CA NT DT SMBJ8A SMBJ8CA NB DB SMBJ85A SMBJ85CA NV DV SMBJ9A SMBJ9CA NX DX SMBJ1A SMBJ1CA NZ DZ SMBJ11A SMBJ11CA PE EE SMBJ12A SMBJ12CA PG EG SMBJ13A SMBJ13CA PK EK SMBJ14A SMBJ14CA PB EB SMBJ15A SMBJ15CA PM EM SMBJ16A SMBJ16CA PP EP SMBJ17A SMBJ17CA PR ER SMBJ18A SMBJ18CA PT ET SMBJ19A SMBJ19CA PV EV SMBJ2A SMBJ2CA PW EW SMBJ22A SMBJ22CA PX EX SMBJ25A SMBJ25CA PZ EZ SMBJ3A SMBJ3CA QE FE SMBJ35A SMBJ35CA QG FG SMBJ4A SMBJ4CA QK FK SMBJ44A SMBJ44CA QM FM NOTES: 1. Suffix A denotes 5% tolerance device. 2. Add suffix CA after part number to specify Bi-directional devices. 3. For Bi-Directional devices having VR of 1 volts and under, the IR limit is double. 4

5 SMBJ SERIES RATINGS AND CHARACTERISTICS Peak Pulse Derating in Percentage of Peak Power or Current (%) FIG 1. PULSE DERATING CURVE Ambient Temperature TA (ºC) Peak Forward Surge Current (A) FIG 2. MAXIMUM NON-REPETITIVE TJ = TJ max. 8.3 ms Single Half Sine-Wave 1 1 Number of Cycles at 6Hz Steady State Power Dissipation (W) FIG 3. STEADY STATE POWER DERATING CURVE Peak Power (kw) FIG 4. PEAK PULSE POWER RATING CURVE Non-repetitive Pulse Waveform shown in Fig 5 TA = 25ºC Lead Temperature TL (ºC) Pulse Width td (µs) FIG 5. PULSE WAVEFORM Peak Pulse Current (%) 1 5 td Tr = 1µs Peak Value (IPP) TJ = 25ºC Pulse width (td) is defined as the point where the peak current decasys to 5% of IPP Half value = IPP 2 1/1µsec. waveform as defined by R.E.A Time (ms) 5

6 SMCJ SERIES PARAMETERS Device Working Peak Maximum Maximum Maximum SMCJ Breakdown Voltage Marking Reverse Voltage Clamping Reverse Reverse Part Number Code T VRWM Voltage V C (V) Surge Current Leakage I R (μa) UNI-POLAR BI-POLAR UNI BI (V) (V) Max. (V) IT I x RWM SMCJ5.A SMCJ5.CA GDE BDE SMCJ6.A SMCJ6.CA GDG BDG SMCJ6.5A SMCJ6.5CA GDK BDK SMCJ7.A SMCJ7.CA GDM BDM SMCJ7.5A SMCJ7.5CA GDP BDP SMCJ8.A SMCJ8.CA GDR BDR SMCJ8.5A SMCJ8.5CA GDT BDT SMCJ9.A SMCJ9.CA GDV BDV SMCJ1A SMCJ1CA GDX BDX SMCJ11A SMCJ11CA GDZ BDZ SMCJ12A SMCJ12CA GEE BEE SMCJ13A SMCJ13CA GEG BEG SMCJ14A SMCJ14CA GEK BEK SMCJ15A SMCJ15CA GEM BEM SMCJ16A SMCJ16CA GEP BEP SMCJ17A SMCJ17CA GER BER SMCJ18A SMCJ18CA GET BET SMCJ19A SMCJ19CA GEB BEB SMCJ2A SMCJ2CA GEV BEV SMCJ22A SMCJ22CA GEX BEX SMCJ24A SMCJ24CA GEZ BEZ SMCJ26A SMCJ26CA GFE BFE SMCJ28A SMCJ28CA GFG BFG SMCJ3A SMCJ3CA GFK BFK SMCJ33A SMCJ33CA GFM BFM SMCJ36A SMCJ36CA GFP BFP SMCJ4A SMCJ4CA GFR BFR SMCJ43A SMCJ43CA GFT BFT SMCJ45A SMCJ45CA GFV BFV SMCJ48A SMCJ48CA GFX BFX SMCJ51A SMCJ51CA GFZ BFZ SMCJ54A SMCJ54CA GGE BGE SMCJ58A SMCJ58CA GGG BGG SMCJ6A SMCJ6CA GGK BGK SMCJ64A SMCJ64CA GGM BGM SMCJ7A SMCJ7CA GGP BGP SMCJ75A SMCJ75CA GGR BGR SMCJ78A SMCJ78CA GGT BGT SMCJ8A SMCJ8CA GGB BGB SMCJ85A SMCJ85CA GGV BGV SMCJ9A SMCJ9CA GGX BGX SMCJ1A SMCJ1CA GGZ BGZ SMCJ11A SMCJ11CA GHE BHE SMCJ12A SMCJ12CA GHG BHG SMCJ13A SMCJ13CA GHK BHK SMCJ14A SMCJ14CA GHB BHB SMCJ15A SMCJ15CA GHM BHM SMCJ16A SMCJ16CA GHP BHP SMCJ17A SMCJ17CA GHR BHR SMCJ18A SMCJ18CA GHT BHT SMCJ19A SMCJ19CA GHV BHV SMCJ2A SMCJ2CA GHW BHW SMCJ22A SMCJ22CA GHX BHX SMCJ25A SMCJ25CA GHZ BHZ SMCJ3A SMCJ3CA GJE BJE SMCJ35A SMCJ35CA GJG BJG SMCJ4A SMCJ4CA GJK BJK SMCJ44A SMCJ44CA GJM BJM NOTES: 1. Suffix A denotes 5% tolerance device. 2. Add suffix CA after part number to specify Bi-directional devices. 3. For Bi-Directional devices having VR of 1 volts and under, the IR limit is double. 6

7 SMCJ SERIES RATINGS AND CHARACTERISTICS Peak Pulse Derating in Percentage of Peak Power or Current (%) FIG 1. PULSE DERATING CURVE Ambient Temperature TA (ºC) Peak Forward Surge Current (A) FIG 2. MAXIMUM NON-REPETITIVE TJ = TJ max. 8.3 ms Single Half Sine-Wave 1 1 Number of Cycles at 6Hz Steady State Power Dissipation (W) FIG 3. STEADY STATE POWER DERATING CURVE Lead Temperature TL (ºC) Peak Power (kw) FIG 4. PEAK PULSE POWER RATING CURVE Pulse Width td (µs) Non-repetitive Pulse Waveform shown in Fig 5 TA = 25ºC FIG 5. PULSE WAVEFORM Peak Pulse Current (%) 1 5 td Tr = 1µs Peak Value (IPP) TJ = 25ºC Pulse width (td) is defined as the point where the peak current decasys to 5% of IPP Half value = IPP 2 1/1µsec. waveform as defined by R.E.A Time (ms) 7

8 COMPONENT DIMENSIONS SMA/DO-214AC SMB/DO-214AA SMC/DO-214AB RECOMMENDED PAD DIMENSIONS 1.47 (.58) 2.1 (.83) Max. 2.1 (.83) 2.65 (.14) Max. 3.7 (.121) 4.69 (.185) Max (.5) 5.49 (.216) Ref (.5) 5.59 (.22) Ref (.6) 8.12 (.32) Ref. DO-214AC (SMA) DO-214AA (SMB) DO-214AB (SMC) 8

9 PACKAGING SPECIFICATIONS FOR SMA, SMB, SMC SERIES OR GENERAL PURPOSE TRANSIENT VOLTAGE SUPPRESSION DIODES CARRIER TAPE K t D P P 2 1 pitches cumulative tolerance on tape ±.2mm (.8) E Top Cover Tape A F W B 1 K B For Machine Reference Only Including Draft Radii Concentric Around Bo P User Direction of Feed D1 For components 2. mm x 1.2 mm and larger (.79 x.47) SYMBOL SPECIFICATIONS Unit SMA SMB SMC W mm 12.±.3 12.±.3 16.±.3 D mm 1.55± ± ±.1-. E mm 1.75± ± ±.1 P mm 4.±.1 4.±.1 4.±.1 t (Max) mm A mm 2.79± ±.1 6.5±.1 B mm 5.33± ± ±.1 K mm 2.36± ± ±.1 B1 (Max) mm D1 (Min) mm F mm 5.5±.5 5.5±.5 7.5±.5 K (Max) mm P2 mm 2.±.5 2.±.5 2.±.5 P mm 4.±.1 8.±.1 8.±.1 9

10 REEL T Top cover tape thickness.1mm (.4in) Max. A D* B C N Embossed Carrier FULL RADIUS G (Measured at Hub) SYMBOL SPECIFICATIONS Unit SMA SMB SMC Tape size mm A inch B (max) mm C mm 13±.2 13±.2 13±.2 D (max) mm N (min) mm G mm / / /-. T (max) mm QUANTITIES SYMBOL SPECIFICATIONS Unit SMA SMB SMC Qty per reel k Weight per reel kg

Transient Voltage Suppressors (TVS) Data Sheet

Transient Voltage Suppressors (TVS) Data Sheet Transient Suppressors (TVS) Data Sheet Features For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Excellent