Specifications
| Type | Description |
|---|---|
| Part Number | XL3H7(X)-G |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package | SSOP4; ordering information |
| Shipping Quantity | 5000 pcs/Tape & Reel; part number XL3H7A |
| Marking Code | XL3H7A; part number XL3H7A |
| Current Transfer Ratio | 80-600 %; IF=5 mA, VCE=5 V |
| Isolation Voltage | 3750 Vrms; 40-60% RH, AC for 1 minute |
| Collector-Emitter Breakdown Voltage | min 80 V; IC=0.1 mA, IF=0 |
| Forward Current | max 50 mA; TA=25°C unless otherwise specified |
| Peak Forward Current | max 1 A; pulse width <=1 us, duty ratio 0.001 |
| Reverse Voltage | max 6 V; TA=25°C unless otherwise specified |
| Input Power Dissipation | max 70 mW; TA=25°C unless otherwise specified |
| Collector Power Dissipation | max 150 mW; TA=25°C unless otherwise specified |
| Collector Current Rating | max 50 mA; TA=25°C unless otherwise specified |
| Collector-Emitter Voltage | max 80 V; TA=25°C unless otherwise specified |
| Emitter-Collector Voltage | max 7 V; TA=25°C unless otherwise specified |
| Total Power Dissipation | max 200 mW; TA=25°C unless otherwise specified |
| Rated Impulse Isolation Voltage | 5000 V; thermal characteristics |
| Rated Repetitive Peak Isolation Voltage | 600 V; thermal characteristics |
| Thermal Resistance Junction-to-Air | 430 °C/W; thermal characteristics |
| Thermal Resistance Junction-to-Case | 350 °C/W; thermal characteristics |
| Thermal Resistance Junction-to-Lead | 368 °C/W; thermal characteristics |
| Operating Temperature | -55 to +110 °C; thermal characteristics |
| Storage Temperature Range | -55 to +125 °C; thermal characteristics |
| Soldering Temperature | 260 °C; for 10 seconds |
| Forward Voltage | typ 1.2 V, max 1.4 V; IF=20 mA, TA=25°C |
| Peak Forward Voltage | max 3.0 V; IFM=0.5 A, TA=25°C |
| Reverse Current | max 10 uA; VR=4 V, TA=25°C |
| Input Capacitance | typ 30 pF, max 250 pF; VR=0 V, f=1 kHz, TA=25°C |
| Collector-Emitter Dark Current | max 100 nA; VCE=20 V, IF=0, TA=25°C |
| Emitter-Collector Breakdown Voltage | min 7 V; IE=10 uA, IF=0, TA=25°C |
| Collector Current Transfer Test | min 2.5 mA, max 30 mA; IF=5 mA, VCE=5 V, TA=25°C |
| Collector-Emitter Saturation Voltage | typ 0.1 V, max 0.2 V; IF=20 mA, IC=1 mA, TA=25°C |
| Isolation Resistance | min 1×10^12 ohm; VIO=500 Vdc, 40-60% RH |
| Isolation Current | max 2 uA; DC6000 V, 40-60% RH |
| Floating Capacitance | typ 0.6 pF, max 1.0 pF; VIO=0, f=1 MHz, TA=25°C |
| Cut-off Frequency | typ 80 kHz; VCE=5 V, IC=2 mA, RL=100 ohm, -3 dB |
| Turn-On Time | typ 4 us, max 18 us; VCE=2 V, RL=100 ohm, IC=2 mA |
| Turn-Off Time | typ 3 us, max 18 us; VCE=2 V, RL=100 ohm, IC=2 mA |
| CTR Rank A | 80-160 %; IF=5 mA, VCE=5 V |
| CTR Rank B | 130-260 %; IF=5 mA, VCE=5 V |
| CTR Rank C | 200-400 %; IF=5 mA, VCE=5 V |
| CTR Rank D | 300-600 %; IF=5 mA, VCE=5 V |
| CTR No Mark | 80-600 %; IF=5 mA, VCE=5 V |
| Reflow Preheat Temperature | 150-200 °C; reflow soldering profile |
| Reflow Preheat Time | 60-120 s; reflow soldering profile |
| Reflow Ramp-Up Rate | max 3 °C/s; TL to TP |
| Reflow Liquidus Temperature | 217 °C; reflow soldering profile |
| Reflow Time Above Liquidus | 60-150 s; temperature above TL |
| Reflow Peak Temperature | 260 °C; reflow soldering profile |
| Reflow Peak Time | 30 s; time between TP-5 and TP |
| Reflow Ramp-Down Rate | max 6 °C/s; TP to TL |
| Wave Soldering Peak Temperature | 260 °C; wave soldering profile |
| Wave Soldering Peak Time | 10 s; time within peak temperature |
| Hand Soldering Iron Temperature | 360 °C +5 °C; within 3 s, product rework or sample testing |
| Packing Quantity Per Reel | 5000 pcs/reel; SSOP4 reel, diameter 330 mm |
| Packing Quantity Per Box | 10000 pcs/box; 2 reels/box |
| Packing Quantity Per Carton | 100000 pcs/carton; 10 boxes/carton |
| Datasheet Status | request_only |
Product Overview
The XL3H7(X)-G is a XINGLIGHT phototransistor optocoupler classified in the LED category and supplied in an SSOP4 package. Its ordering information identifies the package as SSOP4, with XL3H7A marking code and 5000 pcs per tape-and-reel shipping quantity for the XL3H7A part number variant.
Key transfer and isolation parameters include 80-600% current transfer ratio at IF=5 mA and VCE=5 V, 3750 Vrms isolation voltage for 1 minute at 40-60% RH, and minimum 1×10^12 ohm isolation resistance at VIO=500 Vdc. Output-side ratings include 80 V maximum collector-emitter voltage, 50 mA maximum collector current, and minimum 80 V collector-emitter breakdown voltage.
For assembly, the datasheet gives a 260 °C soldering temperature for 10 seconds, a reflow peak temperature of 260 °C, and SSOP4 reel packing of 5000 pcs per 330 mm reel. These facts support use in compact isolated interfaces, signal feedback paths, and surface-mount control assemblies.
Key Features
- SSOP4 phototransistor optocoupler package
- 80-600% CTR at IF=5 mA, VCE=5 V
- 3750 Vrms isolation voltage for one minute
- Minimum 80 V collector-emitter breakdown voltage
- Maximum 50 mA forward current rating
- Typical 80 kHz cut-off frequency
- Typical 4 us turn-on time
- Typical 3 us turn-off time
- -55 to +110 °C operating temperature range
- 260 °C peak reflow temperature
- 5000 pcs per 330 mm SSOP4 reel
- CTR ranks A, B, C, and D available
Typical Applications
- Isolated digital signal transfer
- Microcontroller input isolation
- Feedback signal isolation
- Compact surface-mount control boards
- Low-current transistor output interfaces
- 80 kHz optocoupled signal paths
- Tape-and-reel automated assembly
Procurement Notes
When requesting a quote for XL3H7(X)-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 package is used for XL3H7(X)-G?
XL3H7(X)-G is specified as an SSOP4 phototransistor optocoupler. The ordering information lists the SSOP4 package, and the packing information describes SSOP4 reels with 5000 pcs per reel.
What is the CTR range of this optocoupler?
The datasheet facts specify an overall current transfer ratio of 80-600% at IF=5 mA and VCE=5 V. Rank options include A at 80-160%, B at 130-260%, C at 200-400%, and D at 300-600%.
What isolation ratings are listed for XL3H7(X)-G?
The extracted datasheet facts list 3750 Vrms isolation voltage for 1 minute at 40-60% RH, 5000 V rated impulse isolation voltage, 600 V rated repetitive peak isolation voltage, and minimum 1×10^12 ohm isolation resistance.
What soldering limits are provided by the datasheet?
The device has a 260 °C soldering temperature for 10 seconds. The reflow profile lists 150-200 °C preheat, 217 °C liquidus, 260 °C peak temperature, and 30 seconds between TP-5 and TP.
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.