SMBJ48A
TVS Diode, SMBJ, Unidirectional, 48 V, 77.4 V, DO-214AA (SMB), 2 Pins
- Manufacturer: MULTICOMP PRO
- Product type: TVS Diodes
- Product Range:SMBJ Series; TVS Polarity:Unidirectional; Reverse Stand-Off Voltage Vrwm:48V; Clamping Voltage Vc Max:77.4V; Diode Case Style:DO-214AA; No. of Pins:2Pins; Breakdown V
- SVHC: Lead (25-Jun-2025)
- No. of Pins: 2Pins
- TVS Polarity: Unidirectional
- Product Range: SMBJ
- Qualification: -
- Diode Mounting: Surface Mount
- Diode Case Style: DO-214AA (SMB)
- Clamping Voltage Max: 77.4V
- Reverse Standoff Voltage: 48V
- Maximum Breakdown Voltage: 58.9V
- Minimum Breakdown Voltage: 53.3V
- Operating Temperature Max: 150°C
- Peak Pulse Power Dissipation: 600W
| Delivery and price | |
|---|---|
| Units per pack | 5000 |
| Price | 0.141 € |
| Current stock | 1000+ |
| Lead time | 30 days |
## **Transient Voltage Suppression Diodes Surface Mount** ## **Features:** - Ideal for automated placement • Glass passivated chip junction • Available in uni-directional and bi-directional repetitive rate (duty cycle ):0.01% - • Very fast response time ¢ 600W peak pulse power capability with a 10/1000uUs waveform, - Low incremental surge resistance - Solder�dip�260°C,�40seconds ## **Typical Applications:** Use in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs,MOSFET,�signal�lines�of�sensor�units�for�consumer,�computer,�industrial,�automotive�and�telecommunication. ## **Mechanical Data:** Case : SMB molded plastic Epoxy�meets�UL�94V-0�flammability�rating Terminals� : Matte tin plated leads,solderable per and�JESD22-B102D Polarity : Colour band denotes cathode end Reverse�Voltage� :�440Volts Power�Dissipation� :�600�Watts ## **Maximum Ratings and Electrical Characteristics:** Ta = 25 °C unless otherwise noted. |Ta = 25 °C unless otherwise noted.a = 25 °C unless otherwise noted.= 25 °C unless otherwise noted.|||| |---|---|---|---| |**Characteristics**|**Symbol**|**Value**|**Unit**| |Peak�Pulse�Power�Dissipation�at�Ta= 25ºC by<br>10x1000μs�waveform�(Note�1),�(Note�2)|PPPm|600|Watts| |Power�Dissipation�on�Infinite�Heat�Sink�at�Ta= 50°C|PM(AV)|5|| |Peak forward surge current<br>8.3ms�Single�Half�Sine-Wave�Uni-Directional�only|Ifsm|100|Amps| |Maximum�Instantaneous�Forward�Voltage�at�50A�for�<br>Uni-Directional�only�(Note�4)|Vf|3.5V / 5|Volts| |Typical�Thermal�Resistance�Junction�to�Lead|RUJa|100|°C/W| |Typical�Thermal�Resistance�Junction�to�Ambient|RUJL|20|°C/W| |Operating�Temperature�Range|TJ|-65 to +150|°C| |Storage Temperature Range|TsTg||| ## **Notes:** - ���1.�Non-repetitive�current�pulse,per�Fig.3�and�derated�above�TA=25°C�per�Fig.2. 2. Mounted on 5mm × 5mm copper pad to each terminal 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. - ���4.�Vf <3.5V for VbR<200V and Vf<6.5V for VbR>201V 5. The typical data above is for reference only Newark.com/multicomp-pro Farnell.com/multicomp-pro Element14.com/multicomp-pro 23/09/19 V1.0 Page <1> ## **Transient Voltage Suppression Diodes Surface Mount** |**Part Number**<br>**Re**<br>**Sta**<br>**Vo**<br>|**Part Number**<br>**Re**<br>**Sta**<br>**Vo**<br>|**verse**<br>**nd off**<br>**ltage**<br>**VR**<br>**Breakdown**<br>**Voltage**<br>**VBR (Volts)**<br>**@ IT**|**verse**<br>**nd off**<br>**ltage**<br>**VR**<br>**Breakdown**<br>**Voltage**<br>**VBR (Volts)**<br>**@ IT**|**Test**<br>**Current**|**Max.**<br>**Clamping**<br>**Voltage**<br>**VC@ Ipp**|**Peak Pulse**<br>**Current**<br>**Ipp**<br>**Max.**<br>**Reverse**<br>**Leakage**<br>**IR@ VR**| |---|---|---|---|---|---|---| |**Unidirectional**|**Bidirectional**<br>**Vw**|**m (V)**<br>**Min.**|**Max.**|**It (mA)**|**Vc (V)**|**Ippm (Amps)**<br>**Id (μA)**| |-|SMBJ100CA<br>1|00<br>111|123|1|162|3.7<br>1| |SMBJ18A|SMBJ18CA<br>|18<br>20|22.1|1|29.2|20.6<br>1| |SMBJ200A|-<br>2|00<br>224|247|1|324|1.9<br>1| |-|SMBJ24CA<br>|24<br>26.7|29.5|1|38.9|15.5<br>1| |SMBJ33A|SMBJ33CA<br>|33<br>36.7|40.6|1|53.3|11.3<br>1| |SMBJ36A|SMBJ36CA<br>|36<br>40|44.2|1|58.1|10.4<br>1| |SMBJ40A|SMBJ40CA<br>|40<br>44.4|49.1|1|64.5|9.3<br>1| |SMBJ48A|SMBJ48CA<br>|48<br>53.3|58.9|1|77.4|7.8<br>1| |SMBJ70A|-<br>|70<br>77.8|86|1|113|5.3<br>1| **Notes** : - 1.�For�bidirection�type�having�VRwm�of�10�volts�and�less,the�IR limit is double. - 2.�For�parts�without�A(VbR is ±10% and Vc is 5% higher than with A parts). ## **Ratings and Characteristic Curves** **==> picture [166 x 290] intentionally omitted <==** **==> picture [162 x 305] intentionally omitted <==** Newark.com/multicomp-pro Farnell.com/multicomp-pro Element14.com/multicomp-pro 23/09/19 V1.0 Page <2> ## **Transient Voltage Suppression Diodes Surface Mount** **==> picture [152 x 132] intentionally omitted <==** **==> picture [147 x 121] intentionally omitted <==** ## **Dimensions:** **==> picture [334 x 96] intentionally omitted <==** Dimensions�:�Inches�(Millimetres) ## **Part Number Table** |**Part Number Table**|| |---|---| |**Description**|**Part Number**| |Transient Voltage Suppression<br>DiodesSurfaceMount|SMBJ100CA| ||SMBJ18A| ||SMBJ18CA| ||SMBJ200A| ||SMBJ24CA| ||SMBJ33A| ||SMBJ33CA| ||SMBJ36A| ||SMBJ36CA| ||SMBJ40A| ||SMBJ40CA| ||SMBJ48A| ||SMBJ48CA| ||SMBJ70A| **Important Notice :** �This�data�sheet�and�its�contents�(the�“Information”)�belong�to�the�members�of�the�AVNET�group�of�companies�(the�“Group”)�or�are�licensed�to�it.�No�licence�is�granted�for� the�use�of�it�other�than�for�information�purposes�in�connection�with�the�products�to�which�it�relates.�No�licence�of�any�intellectual�property�rights�is�granted.�The�Information�is�subject�to�change� without�notice�and�replaces�all�data�sheets�previously�supplied.�The�Information�supplied�is�believed�to�be�accurate�but�the�Group�assumes�no�responsibility�for�its�accuracy�or�completeness,� any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence.�Multicomp�Pro�is�the�registered�trademark�of�Premier�Farnell�Limited�2019. Newark.com/multicomp-pro Farnell.com/multicomp-pro Element14.com/multicomp-pro 23/09/19 V1.0 Page <3>
Updated at June 1, 2026
Multicomp Pro is a trusted manufacturer of high-quality electronic components, built upon the rich heritage of established industry names such as SPC Technology, Tenma, Duratool, and Pro Power. Developed to provide engineers and procurement professionals with exceptional value, the brand offers an extensive portfolio of rigorously lab-tested products. By combining strict quality assurance with cost-effective manufacturing, Multicomp Pro delivers premium reliability while providing significant savings compared to leading industry alternatives. The brand's comprehensive lineup is anchored by a vast selection of passive components and essential circuit protection devices. Engineers consistently rely on Multicomp Pro for aluminum electrolytic capacitors, film capacitors, and power inductors designed for demanding applications. The protection portfolio is equally robust, featuring hundreds of standard fuses, resettable fuses, and transient voltage suppression (TVS) diodes to safeguard critical circuitry. Furthermore, the company is a major provider of precision timing solutions, including a wide array of reliable crystals and standard oscillators. Beyond passives and board-level protection, Multicomp Pro offers extensive solutions in power management, discrete semiconductors, and connectivity. This includes highly efficient AC/DC converters, bridge rectifiers, bipolar transistors, and a versatile selection of wire-to-board terminal blocks. Backed by comprehensive factory audits, continuous laboratory testing, and a strong commitment to ethical sourcing, Multicomp Pro ensures that every component consistently meets stringent international safety and performance standards.
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