Vishay Siliconix 2N6661JTVP02

Overview

2N6661JTVP02 from Vishay Siliconix is a military-grade N-channel enhancement-mode MOSFET rated for 90 V drain-source voltage, with R_DS(on) = 3.6 Ω at V_GS = 10 V, V_GS(th) = 1.6 V typical, and fast 6 ns turn-on time. It operates in high-reliability systems requiring direct TTL/CMOS logic-level drive and low-leakage switching of relays, solenoids, and lamps.

For engineers reviewing the 2N6661JTVP02 datasheet, 2N6661JTVP02 pinout, 2N6661JTVP02 application, or 2N6661JTVP02 equivalent, this page delivers verified electrical parameters, TO-205AD (TO-39) package mapping, military qualification status (JANTXV with PIND), and real-world switching performance data - all confirmed from Vishay's official S11-1542-Rev. D specification.

Technical Context

This device uses a silicon planar DMOS structure optimized for low-threshold, low-capacitance operation. Its 35 pF input capacitance and 2 ns rise/fall times enable direct interface with standard logic without buffer stages, while the 20 °C/W junction-to-case thermal resistance supports stable operation up to 150 °C junction temperature.

The 2N6661JTVP02 is specified for JANTXV screening per MIL-PRF-19500/557, including PIND testing and 100% lot traceability. Its gate threshold remains functional down to –55 °C (min 0.3 V) and up to 125 °C (max 1.3 V), ensuring reliable turn-on across extreme environmental conditions.

Key Specifications

Pinout & Package

2N6661JTVP02 is housed in a hermetically sealed TO-205AD (TO-39 tall lid) metal can package with drain connected to the case. The package meets MIL-STD-1835 and supports PIND-tested JANTXV qualification.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel MOSFET switching applications.

Compared with 2N6661JTVP02, the 2N6660JTVP02 offers identical form, fit, and function at lower voltage stress, while the 2N7000-TP trades qualification rigor and thermal capability for cost and availability - making the 2N6661JTVP02 the sole choice for 72 V, PIND-verified, high-reliability switching.

Availability

2N6661JTVP02 is available at Aetrix Electronics and suitable for aerospace actuation control, defense system power sequencing, and hi-rel battery management requiring stable component supply and full JANTXV documentation traceability.

Supply support for 2N6661JTVP02 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Vishay Siliconix designs and manufactures high-performance discrete semiconductors, specializing in MOSFETs, diodes, and optoelectronics for demanding industrial, automotive, and defense applications.

The 2N6661JTVP02 belongs to Vishay's legacy military MOSFET product line, engineered specifically for high-reliability analog switching in environments where radiation tolerance, thermal stability, and long-term parametric consistency are mandatory.

FAQ

What does the "P02" suffix indicate in 2N6661JTVP02?

The "P02" suffix in 2N6661JTVP02 denotes PIND (Particle Impact Noise Detection) testing per MIL-STD-750 Method 2042, confirming mechanical integrity of internal die attach and wire bonds. This is a mandatory screen for JANTXV-grade devices and distinguishes it from non-PIND variants like 2N6661JTXV02. The 2N6661JTVP02 also includes full lot traceability and extended temperature testing.

Is 2N6661JTVP02 pin-compatible with commercial 2N6661 variants?

Yes - the 2N6661JTVP02 shares identical TO-205AD (TO-39) mechanical outline and pinout (Drain–Gate–Source) with all 2N6661 family members, including 2N6661, 2N6661-E3, and 2N6661JANTX. However, its JANTXV qualification, PIND testing, and tighter parameter distributions mean it may not be substituted into commercial designs without requalification per application requirements.

What is the maximum safe operating voltage for 2N6661JTVP02 in continuous DC applications?

The absolute maximum V_DS for 2N6661JTVP02 is 90 V, but for reliable long-term operation in continuous DC applications, Vishay recommends limiting V_DS to ≤72 V - matching the test condition for I_DSS (zero-gate leakage) and aligning with MIL-STD-750 stress screening levels. Exceeding 72 V risks accelerated degradation under thermal cycling.

Does 2N6661JTVP02 require a gate resistor for TTL/CMOS drive?

No external gate resistor is required for basic TTL/CMOS drive due to its low 35 pF C_iss and 12.5 pC Q_g. The 2N6661JTVP02 can be driven directly from 74HC04 or similar logic outputs. However, a 10–47 Ω series resistor is recommended in high-noise environments to damp ringing and limit peak gate current during fast edges.

How does the drain-connected case affect PCB layout for 2N6661JTVP02?

The drain of the 2N6661JTVP02 is electrically bonded to the metal case, so the mounting surface must be either floating or tied to the drain potential - never to system ground unless the drain node is grounded. PCB footprints must isolate the case pad from adjacent copper, and thermal vias should connect only to drain-copper pours. This avoids short circuits and preserves signal integrity in high-side configurations.