The JANTX1N6464 is a unidirectional transient voltage suppression (TVS) diode manufactured by Microchip Technology, engineered to protect sensitive circuits from voltage transients and surge events. Housed in a CASE-E hermetic package with a glass-to-metal seal, this component delivers fast clamping response, low leakage current, and robust surge handling capability, ensuring stable performance across wide temperature ranges and severe mechanical environments. Its unidirectional configuration makes it suited for DC circuit protection, where precise polarity and minimal capacitance impact are required within high-reliability systems.
Typical end-use scenarios encompass avionics, military communications, defense electronics, and space-payload power conditioning, where MIL-PRF-19500 JANTX qualification is mandatory for mission assurance. The JANTX prefix indicates rigorous screening, traceability, and lot-level reliability testing aligned with military standards, which reduces supply-chain risks such as counterfeiting and early-life field failures. Procurement considerations include the extended lifecycle support typical of MIL-SPEC product lines; however, design and supply-chain teams should monitor Microchip’s product change notifications and rely on authorized distribution to preserve traceability and secure long-term availability.
| Attribute | Value |
|---|---|
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 15V |
| Voltage - Breakdown (Min) | 16.4V |
| Voltage - Clamping (Max) @ Ipp | 26.5V |
| Current - Peak Pulse (10/1000µs) | 107A (8/20µs) |
| Power - Peak Pulse | 500W |
| Power Line Protection | No |
| Applications | General Purpose |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| Grade | Military |
| Qualification | MIL-PRF-19500/551 |
| Mounting Type | Surface Mount |
| Package / Case | SQ-MELF, B |
| Supplier Device Package | B, SQ-MELF |
| Breakdown Current I(BR) | 5 mA |
| Forward Surge Current at 8.3 ms half-sine | 80 A |
| Forward Voltage at 1 A | 1.5 V |
| Maximum Clamping Voltage VC | 26.5 V (pk) |
| Maximum Peak Pulse Current IPP at 10/1000 µs | 19 A (pk) |
| Maximum Peak Pulse Current IPP at 8/20 µs | 107 A (pk) |
| Maximum Standby Current ID at VRWM | 500 μA |
| Minimum Breakdown Voltage V(BR) | 16.4 V |
| Peak Pulse Power at 10/1000 µs | 500 W |
| Rated Standoff Voltage VWM | 15 V (pk) |
| Reverse Power Dissipation | 2.5 W |
| Thermal Resistance, Junction to Lead | 60 °C/W |
| Junction and Storage Temperature | -55 to +175 °C |
| Maximum Temperature Coefficient of V(BR) | +0.085 %/°C |
| Solder Temperature at 10 seconds | 260 °C |
| Base Device | 1N6464 |
| Device Type | Voidless Hermetically Sealed Unidirectional Transient Voltage Suppressor (unidirectional TVS) |
| Screening Level | JANTX |
Download the current available datasheet for JANTX1N6464.
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