Specifications
| Type | Description |
|---|---|
| Part Number | EL_DPC-0000512_EL3H7U-G_Series_Datasheet_rev2 |
| Manufacturer | EVERLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package Case | 4-pin SSOP SMD package, 2.0 mm profile |
| Device Structure | Infrared emitting diode optically coupled to phototransistor detector; EL3H7U-G series description |
| Input Pin 1 | Anode; Pin configuration |
| Input Pin 2 | Cathode; Pin configuration |
| Output Pin 3 | Emitter; Pin configuration |
| Output Pin 4 | Collector; Pin configuration |
| Halogen Content | Br < 900 ppm, Cl < 900 ppm, Br+Cl < 1500 ppm; Halogens free feature |
| Forward Current Absolute Maximum | 20 mA; TA=25°C |
| Reverse Voltage Absolute Maximum | 5 V; TA=25°C |
| Input Power Dissipation Absolute Maximum | 40 mW; TA=25°C |
| Collector Current Absolute Maximum | 30 mA; TA=25°C |
| Collector-Emitter Voltage Absolute Maximum | 60 V; TA=25°C |
| Emitter-Collector Voltage Absolute Maximum | 5 V; TA=25°C |
| Output Power Dissipation Absolute Maximum | 150 mW; TA=25°C |
| Total Power Dissipation Absolute Maximum | 200 mW; TA=25°C |
| Isolation Voltage | 3750 Vrms; AC for 1 minute, RH=40-60%, pins 1/2 shorted and pins 3/4 shorted |
| Operating Temperature | -40 to +125 °C; Absolute maximum ratings |
| Storage Temperature | -40 to +150 °C; Absolute maximum ratings |
| Soldering Temperature | 260 °C; For 10 seconds |
| Forward Voltage | typ 1.3 V, max 1.7 V; IF=1 mA, TA=25°C |
| Reverse Current | max 10 µA; VR=5 V, TA=25°C |
| Input Capacitance | typ 30 pF, max 250 pF; V=0, f=1 kHz, TA=25°C |
| Collector-Emitter Dark Current | max 100 nA; VCE=20 V, IF=0 mA, TA=25°C |
| Collector-Emitter Breakdown Voltage | min 60 V; IC=0.1 mA, TA=25°C |
| Emitter-Collector Breakdown Voltage | min 5 V; IE=0.1 mA, TA=25°C |
| Current Transfer Ratio | 50-600 %; EL3H7U, IF=0.5 mA, VCE=5 V, TA=25°C |
| Current Transfer Ratio Rank A | 100-200 %; EL3H7UA, IF=0.5 mA, VCE=5 V, TA=25°C |
| Current Transfer Ratio Rank B | 150-300 %; EL3H7UB, IF=0.5 mA, VCE=5 V, TA=25°C |
| Current Transfer Ratio Rank C | 200-400 %; EL3H7UC, IF=0.5 mA, VCE=5 V, TA=25°C |
| Collector-Emitter Saturation Voltage | max 0.4 V; IF=3 mA, IC=1.6 mA, TA=25°C |
| Isolation Resistance | min 5×10^10 Ω; VIO=500 Vdc, RH=40-60%, TA=25°C |
| Floating Capacitance | typ 0.3 pF, max 1.0 pF; VIO=0, f=1 MHz, TA=25°C |
| Rise Time | typ 8 µs; VCE=2 V, IC=2 mA, RL=100 Ω, TA=25°C |
| Fall Time | typ 10 µs; VCE=2 V, IC=2 mA, RL=100 Ω, TA=25°C |
| Part Number Format | EL3H7U(X)(Y)-VG; X=CTR rank A/B/C/none, Y=tape and reel TA/TB/none, V=VDE optional, G=halogens free |
| Tape and Reel Quantity | 5000 units per reel; Options TA, TB, TA-V, TB-V |
| Tape Dimension A0 | 3.00 ± 0.10 mm; Tape and reel packing specifications |
| Tape Dimension B0 | 7.45 ± 0.10 mm; Tape and reel packing specifications |
| Tape Dimension D0 | 1.50 +0.1/-0 mm; Tape and reel packing specifications |
| Tape Dimension D1 | 1.50 ± 0.10 mm; Tape and reel packing specifications |
| Tape Dimension E | 1.75 ± 0.10 mm; Tape and reel packing specifications |
| Tape Dimension F | 5.50 ± 0.10 mm; Tape and reel packing specifications |
| Tape Dimension Po | 4.00 ± 0.15 mm; Tape and reel packing specifications |
| Tape Dimension P1 | 8.00 ± 0.10 mm; Tape and reel packing specifications |
| Tape Dimension P2 | 2.00 ± 0.10 mm; Tape and reel packing specifications |
| Tape Thickness | 0.30 ± 0.05 mm; Tape dimension t |
| Tape Width | 12.1 ± 0.2 mm; Tape dimension W |
| Tape Dimension K0 | 2.45 ± 0.1 mm; Tape and reel packing specifications |
| Reflow Preheat Temperature Minimum | 150 °C; Tsmin, IPC/JEDEC J-STD-020D reference |
| Reflow Preheat Temperature Maximum | 200 °C; Tsmax, IPC/JEDEC J-STD-020D reference |
| Reflow Preheat Time | 60-120 seconds; Time from Tsmin to Tsmax |
| Reflow Average Ramp-Up Rate | max 3 °C/second; Tsmax to Tp |
| Reflow Liquidus Temperature | 217 °C; TL |
| Reflow Time Above Liquidus | 60-100 seconds; tL |
| Reflow Peak Temperature | 260 °C; Tp |
| Reflow Time Within 5°C of Peak | 30 seconds; Tp - 5°C |
| Reflow Ramp-Down Rate | max 6 °C/second; From peak temperature |
| Reflow Time 25°C to Peak | max 8 minutes; Reflow profile |
| Reflow Cycles | 3 times; Maximum reflow times |
| Datasheet Status | request_only |
Product Overview
EL_DPC-0000512_EL3H7U-G_Series_Datasheet_rev2 is an EVERLIGHT phototransistor photocoupler classified in the LED category. Its device structure consists of an infrared emitting diode optically coupled to a phototransistor detector, with input pins assigned as anode and cathode and output pins assigned as emitter and collector.
The component is supplied in a 4-pin SSOP SMD package with a 2.0 mm profile. Absolute maximum ratings include 20 mA forward current, 5 V reverse voltage, 30 mA collector current, 60 V collector-emitter voltage, 200 mW total power dissipation, and 3750 Vrms isolation voltage under the stated one-minute AC test condition.
Electrical characteristics include 1.3 V typical and 1.7 V maximum forward voltage at IF=1 mA, maximum 100 nA collector-emitter dark current, 50-600% current transfer ratio for EL3H7U, and 8 µs typical rise time with 10 µs typical fall time. Assembly data includes tape-and-reel packing at 5000 units per reel and a reflow profile with 260 °C peak temperature for up to 3 cycles.
Key Features
- Infrared LED optically coupled to phototransistor detector
- 4-pin SSOP SMD package with 2.0 mm profile
- 3750 Vrms isolation voltage for one minute
- 50-600% current transfer ratio for EL3H7U
- 60 V minimum collector-emitter breakdown voltage
- Maximum 0.4 V collector-emitter saturation voltage
- Typical 8 µs rise and 10 µs fall times
- Halogen limits: Br and Cl each below 900 ppm
- 5000 units per reel tape-and-reel packing
- 260 °C peak reflow profile, maximum 3 cycles
Typical Applications
- Optically isolated signal interfaces
- Low-current input detection circuits
- Phototransistor output coupling
- Surface-mount isolation circuits
- CTR-ranked photocoupler designs
- Reflow-assembled SMD boards
Procurement Notes
When requesting a quote for EL_DPC-0000512_EL3H7U-G_Series_Datasheet_rev2, 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 this EVERLIGHT part?
EL_DPC-0000512_EL3H7U-G_Series_Datasheet_rev2 is a phototransistor photocoupler. Its structure is an infrared emitting diode optically coupled to a phototransistor detector in a 4-pin SSOP SMD package.
What isolation voltage is specified for the device?
The datasheet specifies 3750 Vrms isolation voltage with AC applied for 1 minute at RH=40-60%, with pins 1 and 2 shorted together and pins 3 and 4 shorted together.
What current transfer ratio ranges are listed?
For EL3H7U, the current transfer ratio is 50-600% at IF=0.5 mA, VCE=5 V, and TA=25°C. Rank A is 100-200%, rank B is 150-300%, and rank C is 200-400%.
What assembly and packing data is provided?
The datasheet lists tape-and-reel packing at 5000 units per reel for TA, TB, TA-V, and TB-V options. The reflow profile specifies 260°C peak temperature and a maximum of 3 reflow cycles.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 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.