Specifications
| Type | Description |
|---|---|
| Part Number | XL660A-G |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Inferred Category | LED |
| Component Type | Other |
| Package / Case | DIP4 for XL660A; SMD4 variant listed as XL660AA; package outline dimensions shown in mm but numeric dimensions not present in provided text |
| Relay Contact Form | Normally open, single pole single throw; feature description |
| Control Voltage Capability | 600 VAC or DC; feature description |
| Isolation Voltage | 5000 Vrms; between input and output; 40 to 60% RH, AC for 1 minute |
| Operating Temperature | -40 to +85 °C; thermal characteristics |
| Storage Temperature Range | -40 to +100 °C; thermal characteristics |
| Input Forward Current Absolute Maximum | 50 mA; TA=25°C unless otherwise specified |
| Input Peak Forward Current Absolute Maximum | 1 A; pulse width <=1 us, duty ratio 0.001 |
| Input Reverse Voltage Absolute Maximum | 5 V; TA=25°C unless otherwise specified |
| Input Power Dissipation Absolute Maximum | 75 mW; TA=25°C unless otherwise specified |
| Output Load Voltage Absolute Maximum | 600 V; peak AC |
| Continuous Load Current Absolute Maximum | 0.04 A; peak AC |
| Peak Load Current Absolute Maximum | 0.15 A; 100 ms, 1 shot, VL=DC |
| Output Power Dissipation Absolute Maximum | 500 mW; TA=25°C unless otherwise specified |
| LED Turn-On Current | typ 0.4 mA, max 3 mA; IL=0.04 A, TA=25°C unless otherwise specified |
| LED Turn-Off Current | min 0 mA, typ 0.3 mA; IL=0.04 A, TA=25°C unless otherwise specified |
| LED Dropout Voltage | min 1 V, typ 1.3 V, max 1.4 V; IF=5 mA, TA=25°C unless otherwise specified |
| On Resistance | typ 36 ohm, max 120 ohm; IF=5 mA, IL=0.04 A, within 1 s on time |
| Off-State Leakage Current | max 1000 nA; IF=0 mA, VL=600 V |
| Turn-On Time | min 20 us, typ 120 us, max 2000 us; IF=5 mA, IL=0.04 A |
| Turn-Off Time | min 10 us, typ 350 us, max 1000 us; IF=5 mA, IL=0.04 A |
| I/O Capacitance | min 0.8 pF, max 1.5 pF; f=1 MHz, VB=0 |
| Initial I/O Isolation Resistance | min 1000 Mohm; 500 VDC |
| Recommended LED Forward Current | 5 to 10 mA; application note |
| Molding Compound Flammability Rating | UL 94V-0; mechanical data |
| Terminal Finish | Matte tin-plated leads; solderability per MIL-STD-202, Method 208 |
| Package Options | DIP4, SMD4; mechanical data and ordering information |
| Ordering Package for XL660A | DIP4; part number table |
| Shipping Quantity for XL660A | 100 pcs/tube; DIP4 ordering information |
| Marking Code for XL660A | XL660A; ordering information |
| Ordering Package for XL660AA | SMD4; part number table |
| Shipping Quantity for XL660AA | 2000 pcs/tape and reel; SMD4 ordering information |
| Reflow Preheat Temperature | min 150 °C, max 200 °C; reflow soldering profile |
| Reflow Preheat Time | min 60 s, max 120 s; reflow soldering profile |
| Reflow Ramp-Up Rate | 3 °C/s; TL to TP |
| Reflow Liquidus Temperature | 217 °C; reflow soldering profile |
| Reflow Time Above Liquidus | min 60 s, max 150 s; above TL |
| Reflow Peak Temperature | 260 °C; reflow soldering profile |
| Reflow Time Near Peak | 30 s; time during which Tc is between TP-5 and TP |
| Reflow Ramp-Down Rate | 6 °C/s; TP to TL |
| Maximum Reflow Cycles | No more than 3 times; reflow soldering note |
| Wave Soldering Average Ramp-Up Rate | ~200 °C/s; wave soldering profile feature |
| Wave Soldering Heating Rate During Preheat | typ 1 to 2 °C/s, max 4 °C/s; wave soldering profile feature |
| Wave Soldering Final Preheat Temperature | ~130 °C; Ts |
| Wave Soldering Preheat Time | >60 s; 25 °C to Ts |
| Wave Soldering Peak Temperature | 260 °C; Tp |
| Wave Soldering Time Within Peak Temperature | 10 s; tp |
| Wave Soldering Ramp-Down Rate | max 5 °C/s; wave soldering profile feature |
| Hand Soldering Iron Temperature | 360 °C +5 °C within 3 s; for product rework or sample testing |
| DIP4 Packing Quantity per Tube | 100 pcs/tube; tube 500 mm |
| DIP4 Packing Quantity per Box | 5000 pcs/box; 50 tubes/box |
| DIP4 Packing Quantity per Carton | 50000 pcs/carton; 10 boxes/carton |
| SMD4 Packing Quantity per Reel | 2000 pcs/reel; reel diameter 330 mm |
| SMD4 Packing Quantity per Box | 4000 pcs/box; 2 reels/box |
| SMD4 Packing Quantity per Carton | 20000 pcs/carton; 10 boxes/carton |
| Datasheet Status | request_only |
Product Overview
The XL660A-G is a XINGLIGHT photo relay in the LED category. Its relay contact form is normally open, single pole single throw, and the feature description identifies 600 VAC or DC control voltage capability. The input and output are specified with 5000 Vrms isolation under 40 to 60% RH, AC for 1 minute, with initial I/O isolation resistance of at least 1000 Mohm at 500 VDC.
For the XL660A ordering code, the package is DIP4 with 100 pcs per tube and XL660A marking. The related XL660AA ordering option is SMD4 with 2000 pcs per tape and reel. The datasheet also lists DIP4 and SMD4 packing structures, including tube, reel, box, and carton quantities.
Operating limits include -40 to +85 °C operation and -40 to +100 °C storage. Output ratings include 600 V peak AC load voltage, 0.04 A continuous load current, and 0.15 A peak load current for 100 ms, one shot, VL=DC. Assembly guidance covers reflow, wave soldering, and hand soldering conditions.
Key Features
- Normally open SPST photo relay contact form
- 600 VAC or DC control voltage capability
- 5000 Vrms input-to-output isolation rating
- -40 to +85 °C operating temperature range
- 600 V peak AC output load voltage
- 0.04 A continuous peak AC load current
- 5 to 10 mA recommended LED forward current
- 36 ohm typical on resistance at IF=5 mA
- 1000 nA maximum off-state leakage at 600 V
- DIP4 package for XL660A ordering code
- SMD4 variant listed as XL660AA
- UL 94V-0 molding compound flammability rating
Typical Applications
- Isolated AC or DC load switching
- Normally open SPST control interfaces
- 600 V relay replacement circuits
- Low-current load control paths
- DIP4 through-hole assemblies
- SMD4 tape-and-reel assemblies
- Control circuits needing 5000 Vrms isolation
Procurement Notes
When requesting a quote for XL660A-G, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For LED and optoelectronic sourcing, brightness bin, wavelength or color temperature bin, forward voltage range, viewing angle, moisture sensitivity level and soldering process limits may affect final selection, availability and lead time.
FAQ
What contact form does XL660A-G use?
The extracted datasheet facts specify a normally open, single pole single throw relay contact form. This identifies the device behavior as an SPST photo relay that is open until driven by the input LED.
What isolation rating is specified for XL660A-G?
The input-to-output isolation voltage is 5000 Vrms. The listed condition is 40 to 60% relative humidity with AC applied for 1 minute, and the initial I/O isolation resistance is at least 1000 Mohm at 500 VDC.
What package is associated with XL660A ordering?
The XL660A ordering package is DIP4, with 100 pcs per tube and XL660A marking. The datasheet also lists an XL660AA variant in SMD4 with 2000 pcs per tape and reel.
What LED forward current is recommended for operation?
The application note gives a recommended LED forward current of 5 to 10 mA. Related electrical characteristics include 1.3 V typical LED dropout voltage at IF=5 mA and 0.4 mA typical LED turn-on current.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 2, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.