XL406A-G Normally Open Photo Relay

XINGLIGHT LED — specifications, applications, sourcing support and RFQ.

XL406A-G Normally Open Photo Relay

RFQ Available Sourcing Support Alternative Matching RoHS
Part Number
XL406A-G
Manufacturer
XINGLIGHT
Package
DIP4 or SMD4; package outline dimensions shown in mm but numeric dimensions not legible in provided text
Category
LED
Product Type
SMD LED

Quick Sourcing Note

XL406A-G from XINGLIGHT is an LED-category normally open photo relay with single-pole single-throw switching. It is associated with DIP4 and SMD4 package options, with XL406A supplied as DIP4 and XL406AA as SMD4. Key ratings include 60 V load voltage, 0.5 A continuous load current, 1.5 A peak load current, and 5000 Vrms input-to-output isolation. Electrical characteristics include 0.8 ohm typical on resistance, 100 nA typical off-state leakage, and a recommended LED forward current of 5 to 10 mA. Suitable uses include isolated low-voltage load switching, control interfaces, and assemblies requiring DIP4 or SMD4 relay packaging.

Specifications

TypeDescription
Part NumberXL406A-G
ManufacturerXINGLIGHT
Product TypeSMD LED
CategoryLED
Inferred CategoryLED
Component TypeOther
Package CaseDIP4 or SMD4; package outline dimensions shown in mm but numeric dimensions not legible in provided text
Switch ConfigurationNormally open, single pole single throw
Control Voltage Capability60 VAC or DC
Isolation Voltage5000 Vrms
Operating Temperature-40 to +85 °C
Package OptionsDIP4, SMD4
Molding Compound FlammabilityUL 94V-0
Terminal FinishMatte tin-plated leads
Part Number Package - XL406ADIP4
Part Number Package - XL406AASMD4
DIP4 Shipping Quantity100 pcs/tube
SMD4 Shipping Quantity2000 pcs/tape & reel
Marking CodeXL406A
Forward Current50 mA
Peak Forward Current1 A
Reverse Voltage6 V
Input Power Dissipation75 mW
Load Voltage60 V
Continuous Load Current0.5 A
Peak Load Current1.5 A
Output Power Dissipation500 mW
Isolation Voltage Test Condition5000 Vrms; 40 to 60% RH, AC for 1 minute
Operating Temperature Range-40 to +85 °C
Storage Temperature Range-40 to +100 °C
LED Turn-On Currentmin 0 mA, typ 0.7 mA, max 3 mA
LED Turn-Off Currentmin 0 mA, typ 0.5 mA, max 3 mA
LED Dropout Voltagemin 1 V, typ 1.3 V, max 1.4 V
On Resistancetyp 0.8 ohm, max 1.5 ohm
Off-State Leakage Currenttyp 100 nA, max 1000 nA
Turn-On Timemin 200 us, typ 400 us, max 2000 us
Turn-Off Timemin 50 us, typ 250 us, max 1000 us
I/O Capacitancetyp 0.8 pF, max 1.5 pF
Initial I/O Isolation Resistancemin 5*10^10 Mohm
Recommended LED Forward Current5 to 10 mA
Reflow Preheat Temperaturemin 150 °C, max 200 °C
Reflow Preheat Timemin 60 s, max 120 s
Reflow Ramp-Up Rate3 °C/s
Reflow Liquidus Temperature217 °C
Reflow Time Above Liquidus60 to 150 s
Reflow Peak Temperature260 °C
Reflow Peak Time30 s
Reflow Ramp-Down Rate6 °C/s
Reflow Soldering CyclesNo more than 3 times
Wave Soldering Average Ramp-Up Rate~200 °C/s
Wave Soldering Heating Rate During Preheattyp 1 to 2 °C/s, max 4 °C/s
Wave Soldering Final Preheat Temperature~130 °C
Wave Soldering Preheat Time>60 s
Wave Soldering Peak Temperature260 °C
Wave Soldering Time Within Peak Temperature10 s
Wave Soldering Ramp-Down Rate5 °C/s maximum
Hand Soldering Iron Temperature360 °C +5 °C
DIP4 Packing100 pcs/tube, 50 tubes/box, 10 boxes/carton
DIP4 Carton Quantity50000 pcs/carton
SMD4 Packing2000 pcs/reel, 2 reels/box, 10 boxes/carton
SMD4 Carton Quantity40000 pcs/carton
Document ValidityValid until Dec 31, 2026
Datasheet Statusrequest_only

Product Overview

The XL406A-G is a XINGLIGHT normally open photo relay in the LED category. Its switch configuration is normally open, single-pole single-throw, with a stated control voltage capability of 60 VAC or DC. The device provides 5000 Vrms isolation between input and output and operates across -40 to +85 °C.

Key Features

  • Normally open single-pole single-throw photo relay
  • 60 VAC or DC control voltage capability
  • 5000 Vrms input-to-output isolation rating
  • 60 V load voltage maximum rating
  • 0.5 A continuous load current rating
  • 1.5 A peak load current for 100 ms
  • Typical 0.8 ohm on resistance
  • Typical 100 nA off-state leakage current
  • DIP4 and SMD4 package options
  • UL 94V-0 molding compound flammability
  • Matte tin-plated leads
  • -40 to +85 °C operating temperature range

Typical Applications

  • Isolated 60 V load switching
  • Normally open relay control
  • SPST control interfaces
  • DIP4 through-hole assemblies
  • SMD4 surface-mount assemblies
  • Low-leakage off-state switching
  • Temperature-rated control boards

Procurement Notes

When requesting a quote for XL406A-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 switch configuration does XL406A-G use?

The extracted datasheet facts identify XL406A-G as a normally open photo relay with a single-pole single-throw switch configuration. The stated product type is a normally open photo relay.

What isolation rating is specified for this photo relay?

The datasheet facts specify 5000 Vrms isolation voltage between input and output. A separate test condition lists 5000 Vrms at 40 to 60% relative humidity with AC applied for 1 minute.

Which package options are associated with the XL406A family?

The package options listed are DIP4 and SMD4. Ordering facts identify XL406A as DIP4 and XL406AA as SMD4, both using the XL406A marking code.

What LED drive current is recommended?

The datasheet note recommends an LED forward current of 5 to 10 mA. Electrical characteristics are specified at conditions including IF=5 mA for dropout voltage, on resistance, turn-on time, and turn-off time.

Technical Review & Sourcing Note

Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 1, 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.

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