My Inquiry
My Account
Vishay Semiconductor Opto Division LH1500AABTR
- Part No.:
- LH1500AABTR
- Manufacturer:
- Vishay Semiconductor Opto Division
- Category:
- Solid State Relays (SSR)
- Package:
- 6-SMD (0.300", 7.62mm)
- Datasheet:
-
LH1500AABTR.pdf
- Description:
- SSR RELAY SPST-NO 150MA 0-350V
- Quantity:
- Payment:
- Shipping:
Inventory:1,933
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LH1500AABTR from Vishay Semiconductors is a 1-Form-A solid-state relay (SSR) with optically isolated GaAlAs LED input and MOSFET output, rated for 350 V load voltage and 140 mA AC/DC continuous load current, featuring 22 Ω typical on-resistance and 5300 VRMS isolation - used in telecom line switching and ground fault protection circuits.
For engineers reviewing the LH1500AABTR datasheet, LH1500AABTR pinout, LH1500AABTR application, or LH1500AABTR equivalent, this SSR delivers bounce-free switching, low power consumption, high surge capability, and safety-certified insulation for industrial control and instrumentation designs requiring reliable galvanic isolation.
Technical Context
The LH1500AABTR integrates a GaAlAs infrared LED coupled to dual-MOSFET output stage, enabling normally open SPST switching with zero-crossing–independent operation. Its internal architecture supports both AC/DC and DC-only load configurations, with distinct on-resistance (22 Ω vs. 5.2 Ω) and load current ratings (140 mA vs. 250 mA) depending on configuration.
Isolation compliance follows UL 1577 (5300 VRMS), DIN EN 60747-5-5 (VIORM = 890 Vpeak), and FIMKO/VDE 0884-5, with creepage/clearance ≥7 mm and DTI ≥0.4 mm - confirming suitability for reinforced insulation in safety-critical telecom and industrial systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Voltage | 5300 VRMS - meets reinforced insulation requirements per UL 1577 for mains-connected equipment |
| Load Voltage Rating | 350 V - supports telecom line voltages and industrial AC/DC control bus levels |
| AC/DC Load Current | 140 mA - maximum continuous current in mixed-signal or universal-load applications |
| On-Resistance (AC/DC) | 22 Ω typical - determines I²R heating and voltage drop at rated load |
| Turn-On/Off Time | 0.13 ms / 0.05 ms typical - enables fast digital control without contact bounce artifacts |
| Input Forward Current (ON) | 0.3–2 mA - ultra-low drive requirement compatible with MCU GPIO or logic buffers |
| Off-State Leakage | <1 nA at ±100 V - ensures high-impedance blocking for precision sensing interfaces |
Pinout & Package
SMD-6 surface-mount package (7.25 mm × 6.65 mm × 2.54 mm pitch), RoHS-compliant, lead-free reflow compatible per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Anode) | LED anode input | Connects to MCU/driver positive rail; requires series resistor for 0.3–2 mA forward bias |
| 2 (Cathode) | LED cathode input | Ground reference for optical input; defines turn-on threshold via IFon |
| 3 (Source) | MOSFET source (output) | Common return node for load current; tied to system ground in DC-only config |
| 4 (Drain) | MOSFET drain (output) | High-side switch terminal; connects to load positive in DC-only, or AC line in AC/DC |
| 5 (NC) | No connect | Internally unconnected; must remain floating per datasheet Fig. 1 |
| 6 (NC) | No connect | Internally unconnected; must remain floating per datasheet Fig. 1 |
Key Features
| Feature | Design Value |
|---|---|
| Bounce-free switching | Eliminates mechanical arcing and EMI in telecom line testing and security alarm triggers |
| 5300 VRMS isolation | Enables direct interface between 24 V control logic and 350 V AC/DC loads without external barrier |
| 22 Ω typical RON (AC/DC) | Keeps power dissipation under 435 mW at 140 mA, within 550 mW SSR thermal limit |
| 0.3 mA typical IFon | Reduces driver-stage component count and PCB space versus higher-threshold optocouplers |
| UL/cUL/VDE/FIMKO certified | Validates compliance for global deployment in Class I/II equipment without additional safety review |
Applications
| Telecom Line Switching | Ground Fault Detection Circuit |
|---|---|
Use Scenario: Remote activation of POTS line test loops or DSLAM port isolation during maintenance. IC Role / Device Role / Timing Role: Solid-state relay providing galvanically isolated SPST switching between central office and subscriber line. Use Value: 5300 VRMS isolation withstands lightning-induced surges; 140 mA rating covers loop-current signaling standards. | Use Scenario: Monitoring insulation integrity in industrial motor drives by injecting test voltage across phase-to-ground paths. IC Role / Device Role / Timing Role: High-voltage switch enabling safe connection/disconnection of test sources from live equipment. Use Value: 350 V load rating and <1 nA off-leakage ensure accurate high-impedance measurements without false trip. |
| Security System Panel | Programmable Logic Controller (PLC) Output Module |
Use Scenario: Controlling siren, strobe, or door lock actuators from microcontroller-based alarm panels. IC Role / Device Role / Timing Role: Isolated output driver replacing electromechanical relays to eliminate contact wear and chatter. Use Value: Clean bounce-free switching prevents false alarms; 22 Ω RON minimizes voltage drop across 12 V/24 V loads. | Use Scenario: Driving solenoid valves, indicator lamps, or small AC contactors in modular PLC backplanes. IC Role / Device Role / Timing Role: Reinforced-insulation output stage interfacing 3.3 V/5 V logic with 24–240 V field devices. Use Value: VIORM = 890 Vpeak and CTI = 175 meet IEC 61000-4-5 surge immunity requirements for industrial environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar solid-state relay applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VO3120 | Higher 6000 VRMS isolation; 1.2 A load current; DIP-8 package | Targets higher-power industrial loads; not SMD-compatible with LH1500AABTR footprint | Select when >140 mA load current or >5300 VRMS is required; verify PCB layout compatibility |
| IXYS CPC1976Y | 250 V load rating; 120 mA AC/DC current; 35 Ω RON; SMD-6 package | Lower voltage/current capability; suitable for 120 VAC control only | Choose for cost-sensitive 120 VAC applications where 350 V rating is unnecessary |
Compared with VO3120 and CPC1976Y, the LH1500AABTR offers optimal balance of 350 V rating, SMD-6 footprint, and 140 mA capacity for telecom and mid-range industrial SSR use - without over-spec'ing isolation or sacrificing board space.
Availability
LH1500AABTR is available at Aetrix Electronics and suitable for telecom infrastructure, industrial control systems, and security equipment requiring stable component supply and long-term lifecycle support.
Supply support for LH1500AABTR 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 Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and optoelectronics with emphasis on reliability, safety certification, and high-voltage isolation performance.
The LH1500 series belongs to Vishay's optically coupled solid-state relay product line, engineered for replacement of electromechanical relays in safety-critical, high-isolation, and long-lifetime applications including telecom, industrial controls, and instrumentation.
FAQ
What is the maximum continuous load current for LH1500AABTR in AC/DC configuration?
The LH1500AABTR supports 140 mA continuous load current in AC/DC configuration, verified per datasheet absolute maximum ratings (Document 83804, page 2). This rating applies when the device is operated within its ambient temperature range (−40 °C to +85 °C) and with proper thermal management. Exceeding this current may cause thermal runaway due to the 550 mW SSR power dissipation limit.
Does LH1500AABTR support DC-only load configuration, and what are its key parameters?
Yes, the LH1500AABTR supports DC-only configuration with 250 mA continuous load current and 5.2 Ω typical on-resistance (RON), as specified in the Electrical Characteristics table (Document 83804, page 2). In this mode, pin 3 (Source) serves as the common return, and pin 4 (Drain) connects to the load positive - distinct from AC/DC wiring where both pins handle bidirectional current.
What safety certifications does LH1500AABTR hold, and which standards do they cover?
The LH1500AABTR holds UL 1577 (5300 VRMS), cUL, DIN EN 60747-5-5 (VDE 0884-5), and FIMKO certifications. These validate compliance with reinforced insulation requirements, including VIORM = 890 Vpeak, creepage/clearance ≥7 mm, and DTI ≥0.4 mm - meeting IEC 61010-1 and IEC 62368-1 safety prerequisites for industrial and telecom end equipment.
Can LH1500AABTR be used in zero-crossing switching applications?
No, the LH1500AABTR is not a zero-crossing SSR - it switches asynchronously based on LED input state. Its turn-on/turn-off times (0.13 ms / 0.05 ms typical) are fixed and independent of AC waveform phase. For zero-crossing operation, a dedicated zero-crossing SSR such as Vishay VO1400AEF would be required instead of the LH1500AABTR.
What is the recommended soldering profile for LH1500AABTR given its SMD-6 package?
The LH1500AABTR uses a lead-free SMD-6 package compliant with J-STD-020. The recommended reflow profile specifies peak temperature ≤260 °C (max 10 s), ramp-up ≤3 °C/s, ramp-down ≤6 °C/s, and time above 217 °C between 60–150 s (Document 83804, Fig. 20). Wave soldering is not recommended; only reflow is qualified per Vishay's packaging specification.
LH1500AABTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Semiconductor Opto Division
- Series:
- LH1500
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Mounting Type:
- Surface Mount
- Circuit:
- SPST-NO (1 Form A)
- Output Type:
- AC, DC
- Voltage - Input:
- 1.25VDC
- Voltage - Load:
- 0 V ~ 350 V
- Load Current:
- 150 mA
- On-State Resistance (Max):
- 20 Ohms
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 6-SMD
- Approval Agency:
- cUR, DIN, FIMKO, UL
- Grade:
- -
- Qualification:
- -
LH1500AABTR FAQ
1.How can I place an order for LH1500AABTR through Aetrix?
Please submit a Request for Quotation (RFQ) for LH1500AABTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LH1500AABTR reliable?
The price and inventory of LH1500AABTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LH1500AABTR is usually 5 days.
3.What payment methods are accepted for LH1500AABTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LH1500AABTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LH1500AABTR?
LH1500AABTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LH1500AABTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LH1500AABTR?
For technical support, including LH1500AABTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LH1500AABTR requirements.
6.How does Aetrix verify that LH1500AABTR is sourced from the original manufacturer or authorized distributors?
All LH1500AABTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LH1500AABTR meets industry standards.
7.What is the process for return or replacement of LH1500AABTR?
All LH1500AABTR units undergo pre-shipment inspection (PSI). If there is an issue with LH1500AABTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LH1500AABTR part is unused and in its original packaging.
Return procedure for LH1500AABTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LH1500AABTR Tags
.jpg)
-
G3VM-21UR11(TR05)
Omron Electronics Inc-EMC Div
-
G3VM-61VY3(TR05)
Omron Electronics Inc-EMC Div
-
CPC1017NTR
Littelfuse Inc.
-
CPC1017N
Littelfuse Inc.
-
CPC1006N
Littelfuse Inc.
-
VO1400AEFTR
Vishay Semiconductor Opto Division
-
CPC1006NTR
Littelfuse Inc.
-
TLP175A(TPL,E
Toshiba Semiconductor and Storage
-
CPC1002NTR
Littelfuse Inc.
-
AQY280S
Panasonic Electric Works
-
CPC1117NTR
Littelfuse Inc.
-
CPC1106NTR
Littelfuse Inc.
Tech Hub
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
