BSS606NH6327XTSA1 - 60V 3.2A N-Ch MOSFET, SOT-89 | Infineon
MPN: BSS606NH6327XTSA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.42 | $0.42 |
| 10 | $0.35 | $3.50 |
| 100 | $0.22 | $22.00 |
| 500 | $0.17 | $85.00 |
| 1,000 | $0.13 | $130.00 |
BSS606NH6327XTSA1 Overview
An N-channel MOSFET (NMOS) is a voltage-controlled semiconductor switch where a positive gate-source voltage creates an inversion layer that conducts current between drain and source. The small-signal/small-power sub-category sits between discrete signal-level transistors (SOT-23 scale, hundreds of mA) and high-current power MOSFETs (TO-220/DFN, tens of amps). Within the broader taxonomy, the BSS606N belongs to the discrete semiconductor hierarchy: N-channel MOSFET -> enhancement-mode MOSFET -> power MOSFET -> discrete semiconductor -> semiconductor. SOT-89 packaging, with its integrated heat slug, allows this NMOS to dissipate roughly twice the power of a comparably rated SOT-23 device while occupying only a small SMD footprint.
Key specifications include 60 V drain-source breakdown voltage, 3.2 A continuous drain current at 25°C ambient, typical Rds(on) of 60 mΩ at VGS=10 V, low gate charge for fast switching, and a wide operating junction temperature range from -55°C to +150°C. The logic-level compatible gate drive simplifies microcontroller interfacing in 3.3 V and 5 V systems. The SOT-89 footprint provides enhanced thermal performance via the exposed tab, which must be soldered to a copper pad for proper heat dissipation.
The device's architecture uses Infineon's planar OptiMOS cell design, optimized for low conduction loss and fast switching transients. The SOT-89 package integrates a metal heat-spreader tab on the underside that significantly reduces thermal resistance compared to smaller SOT packages, allowing continuous operation at higher currents within the same board area. The part is qualified to automotive standards per the manufacturer's product family page, making it suitable for both industrial and automotive subsystem designs.
Typical applications include DC-DC converter power stages, motor driver H-bridges, load switching in battery management systems, LED backlight drivers, and relay/valve replacement circuits. The combination of 60 V rating and 3.2 A current capability suits 12 V and 24 V automotive bus systems, as well as point-of-load regulators in industrial 24 V supplies.
When designing with this part, ensure the exposed thermal pad is soldered to a copper pour of at least 50 mm² to keep junction temperature within safe limits at full load. Gate drive traces should be kept short to minimize ringing from the device's input capacitance.
This page synthesizes distributor pricing across 6+ sources, verified drop-in alternatives in the same SOT-89 footprint, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for BSS606NH6327XTSA1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with BSS606NH6327XTSA1 (same form factor and footprint) — differing in Package, Drain-Source Voltage (VDS), Continuous Drain Current (ID), FET Type, Operating Temperature Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
BSS606N H6327
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
BSS606N
✅ Drop-In📋 Reference alternative (not in catalog)
BSS214NWH6327XTSA1
✅ Drop-In✓ In Stock
$0.15 / Unit
View Datasheet →BSL606SNH6327XTSA1
✅ Drop-In✓ In Stock
$0.19 / Unit
View Datasheet →BSR315PH6327XTSA1
✅ Drop-In✓ In Stock
$0.22 / Unit
View Datasheet →BSS606NH6327XTSA1 Maximum Ratings & Electrical Characteristics
| Manufacturer | Infineon Technologies |
| Product Family | OptiMOS Small Signal/Power |
| Transistor Type | N-Channel MOSFET |
| Drain-Source Voltage (VDS) | 60 V |
| Continuous Drain Current (ID) | 3.2 A (Ta) |
| Power Dissipation (PD) | 1 W (Ta) |
| On-Resistance (RDS(on)) | 60 mΩ max @ VGS=10 V |
| Package | PG-SOT-89 (TO-243AA) |
| Mounting Type | Surface Mount |
| Operating Junction Temperature | -55°C to +150°C |
| Qualification | Automotive (per family page) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| MSL Level | 1 (per SOT-89 family standard) |
| Reel Quantity | 1000 pcs |
BSS606NH6327XTSA1 Pin Configuration
| Pin 1 | Gate — Gate control input; drive to VGS=10V for full enhancement |
| Pin 2 | Drain — Drain terminal; electrically connected to the tab (Pin 4) |
| Pin 3 | Source — Source terminal; connect to ground for low-side switching |
| Pin 4 | Drain (Tab) — Drain terminal exposed tab; solder to copper pour for thermal dissipation |
Safe Operating Area (DC)
Typical Applications
BSS606NH6327XTSA1 is suitable for 6 applications: 12V/24V Automotive Load Switching, DC-DC Converter Power Stage, Brushless DC Motor Driver (Small Motors), LED Driver and Backlight Control, Battery Management and Protection Circuits, Relay and Solenoid Replacement.
12V/24V Automotive Load Switching
The BSS606NH6327XTSA1's 60 V VDS rating provides 2× to 5× headroom over 12 V and 24 V automotive bus voltages, handling inductive transients from motors, solenoids, and relay coils. With 3.2 A continuous current capability and automotive qualification per the BSS606N product family, it directly drives body-control loads such as lamps, door lock actuators, and wiper motors. The SOT-89 footprint fits under-the-hood PCB designs where space is constrained. Its 60 mΩ Rds(on) at VGS=10 V keeps conduction losses below 200 mW at 2 A, allowing fan-less operation adjacent to other heat-generating components.
Recommended
DC-DC Converter Power Stage
As a low-side switch in buck or synchronous-rectifier topologies, the BSS606NH6327XTSA1 delivers 3.2 A peak current handling with switching speeds suitable for 100 kHz to 1 MHz conversion frequencies. The 60 V VDS rating supports 24 V input rails with substantial transient margin. Combined with the driver's low gate charge, switching losses stay low enough to avoid active cooling in point-of-load converters for industrial sensors. The SOT-89 package with its exposed thermal tab enables compact module designs where the FET shares copper with the controller IC, simplifying PCB layout.
Recommended
Brushless DC Motor Driver (Small Motors)
The BSS606NH6327XTSA1 fits directly into 3-phase brushless DC motor driver circuits for small fans, pumps, and hobby-grade drones where peak currents reach 2-3 A per phase. Each of the three half-bridge low-side positions can use this NMOS, with the exposed SOT-89 tab providing sufficient thermal dissipation for continuous 1.5 A per phase operation. Its 60 V rating tolerates back-EMF spikes from 12 V motors without requiring additional snubbers. Compared to integrated 3-phase drivers, discrete BSS606N designs offer flexibility in PWM frequency and current sensing topology.
Recommended
LED Driver and Backlight Control
The BSS606NH6327XTSA1 serves as a low-side PWM switch for LED driving in automotive interior lighting, display backlights, and architectural illumination strips. Its 3.2 A continuous current can drive up to 30 high-brightness LEDs in series-parallel arrays at 12 V. The 60 mΩ Rds(on) maintains high efficiency, minimizing thermal rise when PWM dimming at high duty cycles. Fast switching transitions (tens of nanoseconds) enable dimming frequencies above 1 kHz, eliminating visible flicker while preserving LED color consistency across the dimming range.
Recommended
Battery Management and Protection Circuits
Within multi-cell battery packs and protection circuits, the BSS606NH6327XTSA1 acts as the disconnect FET controlling charge and discharge paths up to 3.2 A continuous. The 60 V VDS rating covers 4S lithium-ion packs (16.8 V max) with 3× safety margin. Automotive qualification per the BSS606N family supports e-bike, power tool, and mild-hybrid automotive battery systems. The SOT-89 footprint fits pack-mounted protection boards where low Rds(on) reduces heat dissipation during high-current discharge events.
Recommended
Relay and Solenoid Replacement
In solid-state switching circuits replacing electromechanical relays, the BSS606NH6327XTSA1 provides silent, bounce-free switching with sub-microsecond response times. The 60 V rating handles flyback spikes from 24 V solenoids with a simple TVS clamp, while 3.2 A continuous capability covers most industrial control valves and contactor coils. Its SOT-89 SMD package enables automated assembly and higher-density PCB designs compared to through-hole relays. Applications include PLC outputs, HVAC damper controls, and industrial automation I/O modules.
Recommended
Recommended Products Summary
Engineering reference data for BSS606NH6327XTSA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BSS606N H6327 | BSS606N | BSS214NWH6327XTSA1 | BSL606SNH6327XTSA1 |
|---|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | PG-SOT-89 | PG-SOT-89 - same | PG-SOT-89 - same | PG-SOT-89 - same | PG-SOT-89 - same |
| Transistor Type | N-Channel | N-Channel | N-Channel | N-Channel | P-Channel |
| Drain-Source Voltage (VDS) | 60 V | 60 V | 60 V | 20 V | -60 V |
| Continuous Drain Current (ID) | 3.2 A | 3.2 A | 3.2 A | 1.5 A | -2.3 A |
| Automotive Qualified | Yes (per family) | Yes | Yes | Yes | Yes |
Key Differentiators
- Automotive-qualified OptiMOS technology in compact SOT-89 (vs BS170 (onsemi/Fairchild))
- Higher current rating than SOT-23 alternatives in same PCB area (vs IRLML6401 (Infineon SOT-23))
- N-channel polarity matched to standard low-side switching topologies (vs BSL606SNH6327XTSA1 (P-channel))
Design Notes
Estimated: At ID=2 A continuous and Rds(on)=60 mΩ, conduction loss equals I²×R = 4×0.060 = 0.24 W. With SOT-89 thermal resistance (θJA) of approximately 125 °C/W on a standard 1 oz copper FR-4 board (JEDEC EIA/JESD51), junction temperature rise is 0.24×125 = 30 °C above ambient. For 3.2 A full-load operation, ensure the exposed tab is soldered to at least 50 mm² copper pour to maintain θJA below 50 °C/W. Without adequate copper, the device will trigger thermal shutdown at elevated ambient temperatures.
The SOT-89 PG package's Pin 2 (Drain) and Pin 4 (tab) are electrically common; the layout must connect them to the same copper pour that also serves as the thermal dissipation path. Place the gate drive trace with at least 0.25 mm width and keep it under 10 mm length to minimize parasitic inductance that causes gate ringing. Use a 10 kΩ to 100 kΩ gate-source pulldown resistor to prevent accidental turn-on from dV/dt coupling during drain voltage transients. The recommended PCB footprint follows JEDEC TO-243AA standard land pattern.
Do not exceed VGS=±20 V absolute maximum on the gate; a 10 V zener from gate to source is recommended protection in noisy environments. When driving inductive loads (relays, solenoids, motors), add a freewheeling diode or TVS clamp across the drain-source path to prevent the BSS606N from avalanche breakdown beyond 60 V VDS. The exposed tab must never be left floating - always solder it to a copper pour even in low-power applications, since the tab doubles as the primary current path and thermal relief.
Fast switching edges (dv/dt above 5 V/ns) can couple through the drain-gate Miller capacitance Cgd into the gate drive circuit, causing shoot-through in half-bridge configurations. Add a 10 Ω to 47 Ω gate series resistor to dampen oscillations and control the turn-on/turn-off transition times. For PWM dimming above 100 kHz, place the BSS606N close to the controller IC and use a local ground plane to minimize the gate-drive loop area, which directly impacts radiated EMI emissions.
Compliance Information
RoHS compliant and lead-free per Infineon product family page. AEC-Q100 qualified for automotive applications per BSS606N family specification. Halogen-free per Infineon OptiMOS family standard. REACH compliance per EU regulatory declarations.
