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Part Number SMCJ78CA
Manufacturer Fairchild/ON Semiconductor
Description TVS DIODE 78VWM 126VC SMC
Datasheet SMCJ78CA Datasheet
Package DO-214AB, SMC
In Stock 49,200 piece(s)
Unit Price $ 0.2168 *
Lead Time Can Ship Immediately
Estimated Delivery Time Oct 28 - Nov 2 (Choose Expedited Shipping)
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Part Number # SMCJ78CA (TVS - Diodes) is manufactured by Fairchild/ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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SMCJ78CA Specifications

ManufacturerFairchild/ON Semiconductor
CategoryCircuit Protection - TVS - Diodes
Datasheet SMCJ78CADatasheet
PackageDO-214AB, SMC
Unidirectional Channels-
Bidirectional Channels1
Voltage - Reverse Standoff (Typ)78V
Voltage - Breakdown (Min)86.7V
Voltage - Clamping (Max) @ Ipp126V
Current - Peak Pulse (10/1000µs)11.9A
Power - Peak Pulse1500W (1.5kW)
Power Line ProtectionNo
ApplicationsGeneral Purpose
Capacitance @ Frequency-
Operating Temperature-
Mounting TypeSurface Mount
Package / CaseDO-214AB, SMC
Supplier Device PackageSMC (DO-214AB)

SMCJ78CA Datasheet

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To learn more about ON Semiconductor, please visit our website at Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at Please email any questions regarding the system integration to Is Now Part of ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

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S M C J5V 0(C )A - S M C J170(C )A — 1500 W att Tran sien t V o ltag e S u p p resso rs © 2002 Fairchild Semiconductor Corporation SMCJ5V0(C)A - SMCJ170(C)A Rev. 5.7 September 2015 SMCJ5V0(C)A - SMCJ170(C)A 1500 Watt Transient Voltage Suppressors Features • Glass-Passivated Junction • 1500 W Peak Pulse Power Capability on 10/1000 μs Waveform. • Excellent Clamping Capability • Low-Incremental Surge Resistance • Fast Response Time: Typically Less than 1.0 ps from 0 V to BV Minimum for Unidirectional and 5.0 ns for Bidirectional • Typical IR Less than 1.0 μA Above 10 V • UL Certificate #E258596 • UL94V-0 Flammability Classification Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera- ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi- tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted. Note: 1. Measured on 8.3 ms single half-sine wave or equivalent square wave: duty cycle = 4 pulses per minute maximum. Symbol Parameter Value Unit PPPM Peak Pulse Power Dissipation on 10/1000 μs Waveform 1500 W IPPM Peak Pulse Current on 10/1000 μs Waveform See table A IFSM Non-Repetitive Peak Forward Surge Current Superimposed on Rated Load (JEDEC Method)(1) 200 A TSTG Storage Temperature Range -55 to 150 °C TJ Operating Junction Temperature 150 °C SMC/DO-214AB Band denotes cathode on unidirectional devices only. No band on bi-directional devices. Bi-directional types have CA suffix where electrical characteristics apply in both directions suitable for bi-directional applications.

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S M C J5V 0(C )A - S M C J170(C )A — 1500 W att Tran sien t V o ltag e S u p p resso rs © 2002 Fairchild Semiconductor Corporation SMCJ5V0(C)A - SMCJ170(C)A Rev. 5.7 2 Electrical Characteristics Values are at TA = 25°C unless otherwise noted. Notes: 2. Color band denotes cathode on unidirectional devices only. No color band on bidirectional devices. 3. For bidirectional parts with VRWM < 10 V, the IR max limit is doubled. Uni-Directional Bi-Directional (C) Device Part Marking(2) Reverse Stand-Off Voltage VRWM (V) Breakdown Voltage VBR (V) Test Current IT (mA) Clamping Voltage at IPPM VC (V) Peak Pulse Current IPPM (A) Reverse Leakage at VRWM IR (μA)(3)Min. Max. SMCJ5V0(C)A GDE 5.0 6.40 7.00 10 9.2 163.0 1000 SMCJ6V0(C)A GDG 6.0 6.67 7.37 10 10.3 145.6 1000 SMCJ6V5(C)A GDK 6.5 7.22 7.98 10 11.2 133.9 500 SMCJ7V0(C)A GDM 7.0 7.78 8.60 10 12.0 125.0 200 SMCJ7V5(C)A GDP 7.5 8.33 9.21 1 12.9 116.3 100 SMCJ8V0(C)A GDR 8.0 8.89 9.83 1 13.6 110.3 50 SMCJ8V5(C)A GDT 8.5 9.44 10.4 1 14.4 104.2 20 SMCJ9V0(C)A GDV 9.0 10.0 11.1 1 15.4 97.4 10 SMCJ10(C)A GDX 10 11.1 12.3 1 17.0 88.2 5 SMCJ11(C)A GDZ 11 12.2 13.5 1 18.2 82.4 5 SMCJ12(C)A GEE 12 13.3 14.7 1 19.9 75.3 5 SMCJ13(C)A GEG 13 14.4 15.9 1 21.5 69.8 5 SMCJ14(C)A GEK 14 15.6 17.2 1 23.2 64.7 5 SMCJ15(C)A GEM 15 16.7 18.5 1 24.4 61.5 5 SMCJ16(C)A GEP 16 17.8 19.7 1 26.0 57.7 5 SMCJ17(C)A GER 17 18.9 20.9 1 27.6 54.3 5 SMCJ18(C)A GET 18 20.0 22.1 1 29.2 51.4 5 SMCJ20(C)A GEV 20 22.2 24.5 1 32.4 46.3 5 SMCJ22(C)A GEX 22 24.4 26.9 1 35.5 42.3 5 SMCJ24(C)A GEZ 24 26.7 29.5 1 38.9 38.6 5 SMCJ26(C)A GFE 26 28.9 31.9 1 42.1 35.6 5 SMCJ28(C)A GFG 28 31.1 34.4 1 45.4 33.0 5 SMCJ30(C)A GFK 30 33.3 36.8 1 48.4 31.0 5 SMCJ33(C)A GFM 33 36.7 40.6 1 53.3 28.1 5 SMCJ36(C)A GFP 36 40.0 44.2 1 58.1 25.8 5 SMCJ40(C)A GFR 40 44.4 49.1 1 64.5 23.3 5 SMCJ43(C)A GFT 43 47.8 52.8 1 69.4 21.6 5 SMCJ45(C)A GFV 45 50.0 55.3 1 72.7 20.6 5 SMCJ48(C)A GFX 48 53.3 58.9 1 77.4 19.4 5 SMCJ51(C)A GFZ 51 56.7 62.7 1 82.4 18.2 5 SMCJ54(C)A GGE 54 60.0 66.3 1 87.1 17.2 5 SMCJ58(C)A GGG 58 64.4 71.2 1 93.6 16.0 5 SMCJ60(C)A GGK 60 66.7 73.7 1 96.8 15.5 5 SMCJ64(C)A GGM 64 71.1 78.6 1 103.0 14.6 5 SMCJ70(C)A GGP 70 77.8 86.0 1 113.0 13.3 5 SMCJ75(C)A GGR 75 83.3 92.1 1 121.0 12.4 5 SMCJ78(C)A GGT 78 86.7 95.8 1 126.0 11.9 5

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S M C J5V 0(C )A - S M C J170(C )A — 1500 W att Tran sien t V o ltag e S u p p resso rs © 2002 Fairchild Semiconductor Corporation SMCJ5V0(C)A - SMCJ170(C)A Rev. 5.7 3 Electrical Characteristics (Continued) Values are at TA = 25°C unless otherwise noted. Notes: 2. Color band denotes cathode on unidirectional devices only. No color band on bidirectional devices. 3. For bidirectional parts with VRWM < 10 V, the IR max limit is doubled. Uni-Directional Bi-Directional (C) Device Part Marking(2) Reverse Stand-Off Voltage VRWM (V) Breakdown Voltage VBR (V) Test Current IT (mA) Clamping Voltage at IPPM VC (V) Peak Pulse Current IPPM (A) Reverse Leakage at VRWM IR (μA)(3)Min. Max. SMCJ85(C)A GGV 85 94.4 104.0 1 137.0 10.9 5 SMCJ90(C)A GGX 90 100.0 111.0 1 146.0 10.3 5 SMCJ100(C)A GGZ 100 111.0 123.0 1 162.0 9.3 5 SMCJ110(C)A GHE 110 122.0 135.0 1 177.0 8.5 5 SMCJ120(C)A GHG 120 133.0 147.0 1 193.0 7.8 5 SMCJ130(C)A GHK 130 144.0 159.0 1 209.0 7.2 5 SMCJ150(C)A GHM 150 167.0 185.0 1 243.0 6.2 5 SMCJ160(C)A GHP 160 178.0 197.0 1 259.0 5.8 5 SMCJ170(C)A GHR 170 189.0 209.0 1 275.0 5.5 5

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S M C J5V 0(C )A - S M C J170(C )A — 1500 W att Tran sien t V o ltag e S u p p resso rs © 2002 Fairchild Semiconductor Corporation SMCJ5V0(C)A - SMCJ170(C)A Rev. 5.7 4 Typical Performance Characteristics Figure 1. Peak Pulse Power Rating Curve Figure 2. Pulse Derating Curve Figure 3. Pulse Waveform Figure 4. Junction Capacitance Figure 5. Non-Repetitive Surge Current 0.0001 0.001 0.01 0.1 1 10 0.1 1 10 100 PULSE WIDTH (ms) P U L S E P O W E R ( k W ) T = 25 C ºA 0 25 50 75 100 125 150 175 200 0 25 50 75 100 AMBIENT TEMPERATURE ( C) P U L S E P O W E R ( % ) º 0 1 2 3 4 0 50 100 150 TIME (ms) P E A K P U L S E C U R R E N T ( % ) T = 25 C ºA Pulse Width (td) is Defined as the Point Where the Peak Current Decays to 50% of Ipp 10/1000μsec Waveform as Defined by R.E.A. tf = 10μsec e-kt Peak Value Ippm Half Value-Ipp 2 td 1 5 10 50 100 200 400 10 100 1000 10000 20000 REVERSE VOLTAGE (V) C A P A C IT A N C E ( p F ) T = 25 C ºA f = 1.0 MHz Visg = 50m Vp-p Measured at Zero Bias Measured at Stand-Off Voltage (V ) RWM IF S M , P E A K F O R W A R D S U R G E C U R R E N T ( A ) NUMBER OF CYCLES AT 60 Hz 8.3ms Single Half Sine Wave UNIDIRECTIONAL ONLY

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S M C J5V 0(C )A - S M C J170(C )A — 1500 W att Tran sien t V o ltag e S u p p resso rs © 2002 Fairchild Semiconductor Corporation SMCJ5V0(C)A - SMCJ170(C)A Rev. 5.7 5 Physical Dimension Figure 6. 2-LEAD, SMC, JEDEC DO-214, VARIATION AB (ACTIVE)

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Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts, have full traceability, meet Fairchild's quality standards for handling and storage and provide access to Fairchild's full range of up-to-date technical and product information. Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise. Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. Fairchild is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative / In Design Datasheet contains the design specifications for product development. Specifications may change in any manner without notice. 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SMCJ78CA Reviews

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August 21, 2020

So far all the items still work. I'm using these for some home made solar panels and they're doing great.


August 20, 2020

Competitively priced set of diodes, tested as described. Quality is about what you would expect for no- or off-brand.


August 20, 2020

Order arrived to Estonia in 3 days. Item as described. Well packed.


August 14, 2020

Well packed, good item, capacitors both within 2.5% tolerance!


August 8, 2020

Super easy search and order process. Lots of Shipping and Payment Options, you can always find the best way for the purchase.

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If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

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