LH1500AAB Vishay Relay or Contactor (SOT23 (6-Pin)) In Stock
The LH1500AAB is a high-reliability single-pole solid-state relay from Vishay housed in a 6-pin SOT23 package. It features a 5300V isolation voltage, 1.15V control voltage, and a 0.9mA control current for logic-level switching. Available with worldwide shipping for designs requiring compact, high-isolation signal switching.
- Manufacturer
- Vishay
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- LH1500AAB Datasheet PDF
- Category
- Relay or Contactor
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 5300V isolation voltage delivering high-voltage galvanic separation in a compact SOT23-6 footprint
- Ultra-low 0.9mA control current at 1.15V enabling direct GPIO-level drive without a buffer stage
- Single-pole DC input configuration ideal for signal isolation and instrumentation switching
- High-reliability construction meeting stringent industrial and medical-grade quality requirements
- 6-pin SOT23 package for space-efficient PCB layouts in portable and handheld equipment
Applications
The LH1500AAB is designed for applications requiring galvanic isolation between control and load circuits, such as medical instrumentation, industrial sensor interfaces, and test-and-measurement equipment. Its 5300V isolation rating makes it suitable for protecting sensitive microcontrollers from high-voltage transients in power-line monitoring circuits. The SOT23-6 package and logic-level control current allow direct integration on compact PCBs alongside microcontrollers and FPGAs without additional driver circuitry.
Specifications
| Factory Lead Time | 6Weeks |
| YTEOL | 6 |
| Additional Feature | HIGH RELIABILITY |
| Configuration | SINGLE |
| Control Current | 0.0009A |
| Control Voltage | 1.15V |
| Forward Current-Max | 0.05A |
| Input Type | DC |
| Isolation Voltage-Max | 5300V |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| On-State Current-Max | 0.15A |
| On-state Resistance-Max | 25Ω |
| Optoelectronic Device Type | TRANSISTOR OUTPUT SSR |
| Output Circuit Type | MOSFET |
| Overall Height | 3.8mm |
| Overall Length | 8.7mm |
| Terminal Finish | Matte Tin (Sn) |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.40.95.00 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What isolation voltage does the LH1500AAB provide and for which high-voltage applications is it suitable?
The LH1500AAB provides a maximum isolation voltage of 5300V between its input and output circuits. This level of galvanic isolation makes it suitable for medical equipment, industrial motor control interfaces, and power-line monitoring systems where the control circuitry must be protected from high-voltage transients on the load side.
How much control current does the LH1500AAB require, and can a microcontroller GPIO drive it directly?
The LH1500AAB requires only 0.9mA of control current at a control voltage of 1.15V. Most microcontroller GPIO pins can source or sink 4mA to 16mA, which is well above the 0.9mA threshold, allowing direct drive without an external transistor or buffer stage, which simplifies PCB design significantly.
What package does the LH1500AAB use and how does its footprint benefit compact PCB designs?
The LH1500AAB is housed in a 6-pin SOT23 package, one of the smallest surface-mount packages available for solid-state relays. The SOT23-6 footprint measures approximately 2.9mm x 1.6mm, making it ideal for space-constrained portable instruments, wearable medical devices, and densely populated PCBs where minimizing component area is critical.
Is the LH1500AAB a single-pole or multi-pole relay, and what input signal type does it accept?
The LH1500AAB is configured as a single-pole relay with a DC input type. It switches one signal path at a time per device, and its DC control input is compatible with logic-level signals from 1.15V upward. For applications requiring multi-pole switching, multiple LH1500AAB devices can be placed in parallel on the same control line.
What forward current limit applies to the LH1500AAB output and what load types does this support?
The LH1500AAB has a maximum forward current of 50mA on its output side. This rating is appropriate for low-power signal switching tasks such as routing sensor signals, controlling analog multiplexers, enabling small LED indicators, or switching logic-level signals in test-and-measurement equipment where load currents stay well below 50mA.
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