Specifications
| Type | Description |
|---|---|
| Part Number | XL3H7(X)-E |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package / Case | SSOP4 |
| Current Transfer Ratio | 80-600 % |
| Isolation Voltage | 3750 Vrms |
| Collector-Emitter Breakdown Voltage | >=80 V |
| Operating Temperature | -55 to +110 °C |
| Forward Current | 50 mA max |
| Peak Forward Current | 1 A max |
| Reverse Voltage | 6 V max |
| Input Power Dissipation | 70 mW max |
| Collector Power Dissipation | 150 mW max |
| Collector Current | 50 mA max |
| Collector-Emitter Voltage | 80 V max |
| Emitter-Collector Voltage | 7 V max |
| Total Power Dissipation | 200 mW max |
| 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 +125 °C |
| Soldering Temperature | 260 °C max |
| Forward Voltage | 1.2 V typ, 1.4 V max |
| Peak Forward Voltage | 3.0 V max |
| Reverse Current | 10 μA max |
| Input Capacitance | 30 pF typ, 250 pF max |
| Collector-Emitter Dark Current | 100 nA max |
| Collector-Emitter Breakdown Voltage | 80 V min |
| Emitter-Collector Breakdown Voltage | 7 V min |
| Collector Current | 2.5-30 mA |
| Collector-Emitter Saturation Voltage | 0.1 V typ, 0.2 V max |
| Isolation Resistance | 1×10^12 Ω min |
| Isolation Current | 2 μA max |
| Floating Capacitance | 0.6 pF typ, 1.0 pF max |
| Cut-off Frequency | 80 kHz typ |
| Turn On Time | 4 μs typ, 18 μs max |
| Turn Off Time | 3 μs typ, 18 μs max |
| CTR Rank A | 80-160 % |
| CTR Rank B | 130-260 % |
| CTR Rank C | 200-400 % |
| CTR Rank D | 300-600 % |
| CTR No Mark | 80-600 % |
| Package Shipping Quantity | 5000 pcs/Tape & Reel |
| Marking Code | XL3H7A |
| Reflow Preheat Temperature | 150-200 °C |
| Reflow Preheat Time | 60-120 s |
| Reflow Ramp-Up Rate | 3 °C/s max |
| 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 max |
| Wave Soldering Peak Temperature | 260 °C |
| Wave Soldering Peak Time | 10 s |
| Hand Soldering Temperature | 360 °C +5 °C |
| Packing Quantity Per Reel | 5000 pcs/reel |
| Packing Quantity Per Box | 10000 pcs/box |
| Packing Quantity Per Carton | 100000 pcs/carton |
| Datasheet Status | request_only |
Product Overview
The XL3H7(X)-E is a XINGLIGHT phototransistor optocoupler classified under the LED category and supplied in an SSOP4 package. Its input side is rated for 50 mA maximum forward current, 1 A peak forward current under short pulse conditions, 6 V maximum reverse voltage, and 70 mW input power dissipation at TA=25°C.
On the output side, the device is specified with 80 V maximum collector-emitter voltage, 7 V maximum emitter-collector voltage, 50 mA maximum collector current, and 150 mW collector power dissipation. Electrical characteristics include 80-600% current transfer ratio at IF=5mA and VCE=5V, 0.1 V typical collector-emitter saturation voltage, 100 nA maximum dark current, and 80 kHz typical cut-off frequency.
Isolation and thermal data include 3750 Vrms input-to-output isolation, 1×10^12 Ω minimum isolation resistance, 0.6 pF typical floating capacitance, and -55 to +110°C operating temperature range. Assembly data covers 260°C reflow peak temperature, 260°C wave soldering peak temperature, and SSOP4 tape-and-reel packing at 5000 pcs/reel.
Key Features
- SSOP4 phototransistor optocoupler package
- 80-600% CTR at IF=5mA, VCE=5V
- 3750 Vrms input-to-output isolation voltage
- 80 V collector-emitter voltage rating
- -55 to +110 °C operating temperature range
- 5000 V rated impulse isolation voltage
- 80 kHz typical cut-off frequency
- 4 μs typical turn-on time
- 3 μs typical turn-off time
- 5000 pcs per SSOP4 reel
Typical Applications
- Input-to-output signal isolation
- Controller interface isolation
- Isolated status sensing
- Low-frequency logic feedback
- Phototransistor switching circuits
- SSOP4 tape-and-reel assembly
Procurement Notes
When requesting a quote for XL3H7(X)-E, 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 XL3H7(X)-E?
XL3H7(X)-E is a XINGLIGHT phototransistor optocoupler in an SSOP4 package. It is categorized as an LED device and uses a phototransistor output with specified current transfer ratio, isolation, switching, and thermal ratings.
What current transfer ratio does XL3H7(X)-E provide?
The datasheet specifies an 80-600% current transfer ratio at IF=5mA and VCE=5V. Rank options include A at 80-160%, B at 130-260%, C at 200-400%, and D at 300-600%.
What isolation ratings are specified for this optocoupler?
The device is specified with 3750 Vrms input-to-output isolation voltage, 5000 V rated impulse isolation voltage, 600 V rated repetitive peak isolation voltage, and 1×10^12 Ω minimum isolation resistance at VIO=500Vdc.
What assembly temperatures apply to XL3H7(X)-E?
Reflow data lists 150-200°C preheat, 217°C liquidus temperature, and 260°C peak temperature. Wave soldering peak temperature is 260°C for 10 seconds, and hand soldering is specified at 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.