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Taiwan Semiconductor Corporation 5.0SMDJ70AHM6G — Circuit Protection

5.0SMDJ70AHM6G TVS Diode, 70V, 5kW, DO-214AB

MPN5.0SMDJ70AHM6G
Active

Taiwan Semiconductor 5.0SMDJ70AHM6G, AEC-Q101 Zener/TVS diode, unidirectional 1-channel, 70V standoff, 113V clamping @ 44.3A, 5000W peak pulse, DO-214AB SMC surface mount, -55 to 175°C junction, Tape & Reel.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5.0SMDJ70AHM6G specifications
ParameterValue
TypeZener
Series5.0SMDJ
MountingSurface Mount
Voltage - breakdown77.8V
Voltage - clamping (Max) @ ipp113V
Voltage - reverse standoff70V
Current - peak pulse (10/1000μs)44.3A
Power - peak pulse5000W (5kW)
Power line protectionNo
Operating temperature-55°C ~ 175°C (TJ)
GradeAutomotive
PackageTape & Reel (TR)
QualificationAEC-Q101
CaseDO-214AB, SMC
Unidirectional channels1

Product details

What 5kW peak pulse means for your protection circuit

The 5.0SMDJ70AHM6G is a unidirectional TVS diode — listed as Zener type but functioning as a clamping protector — qualified to AEC-Q101 for automotive environments. The headline rating is 5000 W peak pulse capacity at a 10/1000 µs waveform, which is the standard automotive transient pulse shape. That 5 kW ceiling means the diode absorbs and clamps energy from load-dump events, inductive kick, and switching transients on the 12 V or 24 V rail without failing short — which is the preferred mode for a protection device, so downstream circuitry sees a defined voltage ceiling rather than an open circuit.

Standoff, breakdown, and clamping — the three numbers that set the protection window

The reverse standoff voltage is 70 V typical — the working voltage the diode blocks in normal operation. Minimum breakdown is 77.8 V, so the device does not start conducting until the transient has pushed the rail well above the nominal operating level.

Frequently asked questions

What does AEC-Q101 qualification mean for this TVS diode?

AEC-Q101 is the automotive discrete semiconductor stress qualification standard — it certifies the diode passed temperature cycling, humidity, ESD, and mechanical shock testing at the grade level required for safety-critical and under-hood circuits. For a TVS used in an automotive ECU or power-rail protection node, AEC-Q101 is the baseline gate most Tier 1 customers require before approving the BOM line.

What package is 5.0SMDJ70AHM6G and does it reflow standard?

The package is DO-214AB (SMC) — the industry-standard surface-mount package for 3 kW to 5 kW TVS diodes. It ships on Tape & Reel and mounts by standard IR or convection reflow. The SMC body is wider than the smaller SMA package in the same series, which gives more die area and better thermal dissipation during a clamping event — the tab pad design at the board level is the primary thermal path, not the mold compound alone.