Specifications
| Type | Description |
|---|---|
| Part Number | XL824 |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package / Case | DIP8, DIP8-M, SMD8 |
| Current Transfer Ratio | 20-300 %; IF=±1 mA, VCE=5 V |
| Isolation Voltage | 5000 Vrms; 40-60% RH, AC for 1 minute |
| Collector-Emitter Breakdown Voltage | >=80 V; IC=0.1 mA, IF=0 |
| Operating Temperature | -55 to +100 °C; maximum ratings |
| Operating Temperature Feature | -55 to +110 °C; feature list |
| Forward Current | ±60 mA; TA=25°C unless otherwise specified |
| Input Power Dissipation | 100 mW; TA=25°C unless otherwise specified |
| Input Power Dissipation Derating Factor | 2.9 mW/°C; above TA=100°C |
| Thermal Resistance Junction-Ambient | 325 °C/W; TA=25°C unless otherwise specified |
| Thermal Resistance Junction-Case | 200 °C/W; TA=25°C unless otherwise specified |
| Output Power Dissipation | 150 mW; TA=25°C unless otherwise specified |
| Collector Current | 50 mA; TA=25°C unless otherwise specified |
| Collector-Emitter Voltage | 80 V; TA=25°C unless otherwise specified |
| Emitter-Collector Voltage | 7 V; TA=25°C unless otherwise specified |
| Total Power Dissipation | 200 mW; TA=25°C unless otherwise specified |
| Storage Temperature Range | -55 to +125 °C; maximum ratings |
| Soldering Temperature | 260 °C; for 10 seconds |
| Forward Voltage | typ 1.2 V, max 1.4 V; IF=±20 mA, TA=25°C |
| Input Terminal Capacitance | typ 30 pF, max 250 pF; V=0, f=1 kHz |
| Collector-Emitter Dark Current | max 100 nA; VCE=20 V, IF=0 |
| Emitter-Collector Breakdown Voltage | min 7 V; IE=10 µA, IF=0 |
| Collector-Emitter Saturation Voltage | typ 0.1 V, max 0.2 V; IF=±20 mA, IC=1 mA |
| Isolation Resistance | min 5x10^10 Ω, typ 1x10^11 Ω; DC 500 V, 40-60% R.H. |
| Floating Capacitance | typ 0.6 pF, max 1.0 pF; V=0, f=1 MHz |
| Cut-off Frequency | typ 80 kHz; VCE=5 V, IC=2 mA, RL=100 Ω, -3 dB |
| Rise Time | max 18 µs; VCE=2 V, RL=100 Ω, IC=2 mA |
| Fall Time | max 18 µs; VCE=2 V, RL=100 Ω, IC=2 mA |
| CTR Rank A | 50-150 %; IF=±1 mA, VCE=5 V |
| CTR Rank B | 100-300 %; IF=±1 mA, VCE=5 V |
| CTR No Mark Rank | 20-300 %; IF=±1 mA, VCE=5 V |
| Molding Compound Flammability | UL 94V-0; mechanical data |
| Terminal Plating | matte tin-plated leads; solderability per MIL-STD-202, Method 208 |
| DIP8 Shipping Quantity | 45 pcs/tube; part number XL824X |
| DIP8-M Shipping Quantity | 45 pcs/tube; part number XL824MX |
| SMD8 Shipping Quantity | 1000 pcs/tape and reel; part number XL824SX |
| Reflow Preheat Temperature | 150-200 °C; Ts |
| Reflow Preheat Time | 60-120 s; ts |
| Reflow Ramp-up Rate | 3 °C/s; TL to TP |
| Reflow Liquidus Temperature | 217 °C; TL |
| Reflow Time Above Liquidus | 60-150 s; tL, above TL |
| Reflow Peak Temperature | 260 °C; Tp |
| Reflow Peak Time | 30 s; Tc between TP-5 and TP |
| Reflow Ramp-down Rate | 6 °C/s; TP to TL |
| Hand Soldering Iron Temperature | 360 °C +5 °C; within 3 s; product rework or sample testing |
| Datasheet Status | request_only |
Product Overview
The XL824 is a XINGLIGHT phototransistor optocoupler in the LED category. It is specified in DIP8, DIP8-M, and SMD8 package cases, with associated ordering and shipping formats including 45 pcs/tube for DIP8 and DIP8-M versions and 1000 pcs/tape and reel for SMD8 versions.
Core isolation and output parameters include 5000 Vrms isolation voltage under 40-60% RH AC testing for 1 minute, isolation resistance of at least 5x10^10 Ω at DC 500 V, and typical floating capacitance of 0.6 pF. Output-side ratings include 80 V collector-emitter voltage, 7 V emitter-collector voltage, 50 mA collector current, and collector-emitter breakdown voltage of at least 80 V.
Electrical transfer data includes 20-300% CTR at IF=±1 mA and VCE=5 V, with rank options A, B, and no-mark. Switching characteristics include 80 kHz typical cut-off frequency and 18 µs maximum rise and fall times. Assembly facts include UL 94V-0 molding compound flammability, matte tin-plated leads, 260 °C reflow peak temperature, and 360 °C +5 °C hand soldering iron temperature within 3 seconds.
Key Features
- Phototransistor optocoupler in DIP8, DIP8-M, and SMD8 packages
- 5000 Vrms isolation voltage for one-minute AC test
- 20-300% CTR at IF=±1 mA and VCE=5 V
- 80 V collector-emitter voltage rating
- 50 mA collector current maximum rating
- Typical 80 kHz cut-off frequency at specified load
- Maximum 18 µs rise and fall times
- UL 94V-0 molding compound flammability
- Matte tin-plated leads with MIL-STD-202 solderability
- 260 °C peak reflow temperature profile
Typical Applications
- Isolated signal interfaces
- Controller input isolation
- Power supply feedback paths
- Board-level electrical isolation
- PLC and industrial I/O coupling
- Low-frequency switching signal transfer
- Isolated status detection
Procurement Notes
When requesting a quote for XL824, 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 type of component is the XL824?
The XL824 is identified as a XINGLIGHT phototransistor optocoupler in the LED category. The extracted package cases are DIP8, DIP8-M, and SMD8, with CTR, isolation, output transistor, thermal, and assembly parameters specified in the datasheet facts.
What isolation rating is specified for the XL824?
The isolation voltage is specified as 5000 Vrms under 40-60% relative humidity with AC applied for 1 minute. The datasheet facts also list isolation resistance of at least 5x10^10 Ω at DC 500 V and 40-60% R.H.
What current transfer ratio options are listed?
The no-mark CTR range is 20-300% at IF=±1 mA and VCE=5 V. Rank A is listed as 50-150% under the same condition, while Rank B is listed as 100-300% under the same condition.
Which package and shipping formats are available?
The package cases are DIP8, DIP8-M, and SMD8. XL824X in DIP8 ships as 45 pcs/tube, XL824MX in DIP8-M ships as 45 pcs/tube, and XL824SX in SMD8 ships as 1000 pcs/tape and reel.
What soldering and reflow limits are specified?
The soldering temperature is specified as 260 °C for 10 seconds. Reflow data includes 150-200 °C preheat for 60-120 seconds, 217 °C liquidus, 260 °C peak temperature, and 30 seconds near peak.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 4, 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.