Specifications
| Type | Description |
|---|---|
| Part Number | XL3H7XH |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Inferred Category | LED |
| Component Type | Other |
| Package / Case | SSOP4; package outline dimensions referenced in mm but numeric dimensions not provided in extracted text |
| Current Transfer Ratio | 80-600 % |
| Isolation Voltage | 3750 Vrms |
| Collector-Emitter Breakdown Voltage | ≥80 V |
| Operating Temperature | -55 to +125 °C |
| Case | SSOP4 |
| Molding Compound Flammability Rating | UL 94V-0 |
| Terminal Finish | matte tin-plated leads |
| Shipping Quantity | 5000 pcs/Tape & Reel |
| Forward Current | 50 mA |
| Peak Forward Current | 1 A |
| Reverse Voltage | 6 V |
| Input Power Dissipation | 70 mW |
| Collector Power Dissipation | 150 mW |
| Collector Current | 50 mA |
| Collector-Emitter Voltage | 80 V |
| Emitter-Collector Voltage | 7 V |
| Total Power Dissipation | 200 mW |
| Isolation Voltage | 3750 Vrms |
| Rated Impulse Isolation Voltage | 5000 V |
| Rated Repetitive Peak Isolation Voltage | 600 V |
| Thermal Resistance Junction-to-Air | 430 °C/W |
| Thermal Resistance Junction-to-Case | 350 °C/W |
| Thermal Resistance Junction-to-Lead | 368 °C/W |
| Storage Temperature Range | -55 to +150 °C |
| Soldering Temperature | 260 °C |
| Forward Voltage | typ 1.2 V, max 1.4 V |
| Peak Forward Voltage | max 3.0 V |
| Reverse Current | max 10 µA |
| Input Capacitance | typ 30 pF, max 250 pF |
| Collector-Emitter Dark Current | max 100 nA |
| Collector-Emitter Breakdown Voltage | min 80 V |
| Emitter-Collector Breakdown Voltage | min 7 V |
| Collector Current | min 2.5 mA, max 30 mA |
| Current Transfer Ratio | min 80 %, max 600 % |
| Collector-Emitter Saturation Voltage | typ 0.1 V, max 0.2 V |
| Isolation Resistance | min 1×10^12 Ω |
| Isolation Current | max 2 µA |
| Floating Capacitance | typ 0.6 pF, max 1.0 pF |
| Cut-off Frequency | typ 80 kHz |
| Turn On Time | typ 4 µs, max 18 µs |
| Turn Off Time | typ 3 µs, max 18 µs |
| CTR Rank A | 80-160 % |
| CTR Rank B | 130-260 % |
| CTR Rank C | 200-400 % |
| CTR Rank D | 300-600 % |
| CTR No Mark Rank | 80-600 % |
| Reflow Preheat Temperature | 150-200 °C |
| Reflow Preheat Time | 60-120 s |
| Reflow Ramp-up Rate | 3 °C/s |
| Reflow Liquidus Temperature | 217 °C |
| Reflow Time Above Liquidus | 60-150 s |
| Reflow Peak Temperature | 260 °C |
| Reflow Peak Dwell Time | 30 s |
| Reflow Ramp-down Rate | 6 °C/s |
| Reflow Cycle Limit | no more than 3 times |
| Wave Soldering Average Ramp-up Rate | ~200 °C/s |
| Wave Soldering Heating Rate During Preheat | typ 1-2 °C/s, max 4 °C/s |
| Wave Soldering Final Preheat Temperature | ~130 °C |
| Wave Soldering Preheat Time | >60 s |
| Wave Soldering Peak Temperature | 260 °C |
| Wave Soldering Peak Time | 10 s |
| Wave Soldering Ramp-down Rate | max 5 °C/s |
| Hand Soldering Iron Temperature | 360 °C +5°C within 3 s |
| Packing Form | Reel, φ330 mm |
| Quantity Per Reel | 5000 pcs/reel |
| Quantity Per Box | 2 reels/box; 10000 pcs/box |
| Quantity Per Carton | 10 boxes/carton; 100000 pcs/carton |
| Antistatic Bag Specification | 380×420 mm |
| Box Specification | 350×340×60 mm |
| Carton Specification | 365×330×370 mm |
| Tape Leader and Trailer | leave 50 spaces at beginning and 100 spaces at end |
| Document Validity | valid until Dec 31, 2026 |
| Datasheet Status | request_only |
Product Overview
XL3H7XH is a XINGLIGHT phototransistor optocoupler classified in the LED category. It uses an SSOP4 case with package outline dimensions referenced in millimeters, though numeric outline dimensions are not included in the extracted text. The mechanical data lists UL 94V-0 molding compound flammability and matte tin-plated leads with solderability per MIL-STD-202, Method 208.
Key operating parameters include 80-600% current transfer ratio at IF=5mA and VCE=5V, 3750 Vrms isolation voltage, minimum 80 V collector-emitter breakdown voltage, and -55 to +125 °C ambient operating temperature. Output ratings include 50 mA collector current, 80 V collector-emitter voltage, 7 V emitter-collector voltage, and 150 mW collector power dissipation.
Timing and frequency data include 80 kHz typical cut-off frequency, 4 µs typical turn-on time, and 3 µs typical turn-off time under the specified test conditions. Assembly guidance covers reflow, wave soldering, and hand soldering profiles, while SSOP4 packing is defined as 5000 pcs/reel in 330 mm reel form.
Key Features
- Phototransistor optocoupler in SSOP4 case
- 80-600% CTR at IF=5mA, VCE=5V
- 3750 Vrms input-to-output isolation voltage
- Minimum 80 V collector-emitter breakdown voltage
- -55 to +125 °C ambient operating range
- 50 mA forward current maximum rating
- 200 mW total power dissipation rating
- Typical 80 kHz cut-off frequency
- Typical 4 µs turn-on and 3 µs turn-off
- UL 94V-0 molding compound flammability rating
- Matte tin-plated leads for solderability
- 5000 pcs/reel SSOP4 tape-and-reel packing
Typical Applications
- Isolated signal transfer
- Logic-to-transistor isolation
- Low-speed digital isolation
- Industrial control interfaces
- Power supply feedback isolation
- Relay and solenoid drive interfaces
- Microcontroller input isolation
- Board-level optocoupler replacement
Procurement Notes
When requesting a quote for XL3H7XH, 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 device is XL3H7XH?
XL3H7XH is a XINGLIGHT phototransistor optocoupler in the LED category. The extracted datasheet data identifies an SSOP4 case, 80-600% current transfer ratio, and 3750 Vrms input-to-output isolation.
What isolation rating is specified for XL3H7XH?
The datasheet facts specify 3750 Vrms isolation voltage input to output. A second isolation entry states 3750 Vrms at 40-60% relative humidity with AC applied for 1 minute.
What current transfer ratio range does XL3H7XH provide?
XL3H7XH is specified for 80-600% current transfer ratio at IF=5mA and VCE=5V. Rank ranges are also listed: A 80-160%, B 130-260%, C 200-400%, and D 300-600%.
What soldering profiles are listed for XL3H7XH?
The extracted facts list reflow peak temperature of 260 °C, wave soldering peak temperature of 260 °C for 10 seconds, and hand soldering iron temperature of 360 °C +5°C within 3 seconds.
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.