TLP3083F - Zero-Cross Photo Triac 800V 5kVrms | Toshiba
Référence : TLP3083F ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.45 | $1,45 |
| 10 | $1.28 | $12,80 |
| 100 | $1.05 | $105,00 |
| 500 | $0.86 | $430,00 |
| 1 000 | $0.71 | $710,00 |
TLP3083F Présentation
A phototriac optocoupler (also written phototriac coupler or zero-cross triac driver) is a type of solid-state relay (SSR) that combines an input-side infrared LED with an output-side photosensitive triac. The LED electrically isolates the low-voltage control circuit from the AC mains while transmitting a switching signal through an optical path. Compared with random-phase triac drivers, zero-crossing variants such as the TLP3083F substantially reduce electromagnetic interference and inrush current, making them ideal for resistive AC loads. The TLP3083F sits within the broader hierarchy of isolators > solid-state relays > optocouplers > phototriacs > semiconductor devices.
Key features include a peak off-state voltage of 800 V (VDRM), an on-state RMS current rating that supports typical SSR output stages, a trigger LED forward current of approximately 10 mA, and a halogen-free DIP6 package option. The zero-crossing detection circuit prevents the output triac from firing while the line voltage is non-zero, which suppresses RFI spikes and protects downstream loads. Reinforced 0.4 mm insulation thickness ensures compliance with IEC 60747-5-2 reinforced-insulation creepage requirements when proper PCB clearance is maintained.
Typical applications include solid-state relay (SSR) output stages, AC triac drivers for home appliances such as washing machines and air conditioners, office equipment switching, and industrial temperature controllers. Designers should observe the published trigger current limits and provide adequate PCB creepage distances to maintain the rated 5000 Vrms isolation. This page synthesizes distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer datasheet.
Alternatives de remplacement direct pour TLP3083F — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
TLP3083F(LF4,F
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TLP3083F(TP4,F
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TLP3083F(D4,TP4F
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TLP3063F
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MOC3041
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TLP3083F Spécifications
| Product Type | Zero-cross phototriac optocoupler |
| Configuration de sortie | Photo triac (zero-voltage-crossing) |
| Peak Off-State Repetitive Voltage (VDRM) | 800 V |
| Isolation Voltage | 5000 Vrms |
| Boîtier | 6-DIP (F-type wide creepage) |
| Number of Channels | 1 |
| Zero-Cross Detection | Yes (built-in) |
| Insulation Thickness | 0.4 mm (min, reinforced) |
| Type de montage | Through Hole (DIP) / SMT option |
| Sans halogène | Yes |
| Statut RoHS | Compliant |
Configuration des broches de TLP3083F
| Broche 1 | ANODE (LED+) — LED anode - drive through current-limiting resistor |
| Broche 2 | CATHODE (LED-) — LED cathode |
| Broche 3 | NC — Not connected (no internal bond) |
| Broche 4 | MT1 — Triac main terminal 1 |
| Broche 5 | NC — Not connected (no internal bond) |
| Broche 6 | MT2 — Triac main terminal 2 |
Applications typiques
TLP3083F convient pour 6 applications: Solid-State Relay (SSR) Output Stage, Home Appliance Triac Driver, Office Equipment Switching, Industrial Temperature Controller, AC Power Switch for Smart Home / IoT, Lighting Control (Lamp Dimmers using ZVC Driver).
Solid-State Relay (SSR) Output Stage
The TLP3083F serves as the input-side optocoupler in solid-state relay designs switching 230 V AC resistive loads. Its 800 V VDRM provides 2x safety margin over the 325 V peak of 230 V AC mains, while the 5000 Vrms isolation separates low-voltage logic from line voltage. The zero-crossing detector eliminates RFI by turning the output triac on only near the 0 V crossing, suppressing inrush into heaters or lamp filaments. Placed between a microcontroller GPIO and a snubber-protected triac, it delivers clean, EMI-compliant switching. Compared to random-phase drivers, the TLP3083F trades phase-control flexibility for substantially lower conducted emissions - ideal for compliance-sensitive home appliances.
Recommandé
Home Appliance Triac Driver
The TLP3083F is widely used in washing machines, dishwashers, air conditioners, and microwave ovens to switch heater elements, pumps, and solenoid valves. Its 800 V VDRM and 5000 Vrms isolation comfortably handle universal 100-240 V AC mains worldwide. The zero-voltage-crossing feature prevents audible mains-frequency noise when switching heater coils, which would otherwise cause lamination hum. Reinforced 0.4 mm creepage insulation supports IEC 60335-1 household appliance safety. Pair the TLP3083F with a BTA/BTB triac rated at 8-16 A RMS for complete appliance control, and observe 8 mm PCB clearance on the F-type wide-creepage footprint for full isolation.
Recommandé
Office Equipment Switching
In copiers, printers, and document scanners, the TLP3083F provides isolated control of fuser heaters, paper-feed motors, and AC solenoids. Its 6-DIP wide-creepage package sits comfortably on the through-hole control PCB alongside UL-rated safety isolation barriers. The zero-cross turn-on characteristic extends the life of fuser lamp filaments by 30-50% compared to random-phase switching - a measurable service-life benefit for high-cycle office equipment. The halogen-free RoHS-compliant construction also meets current environmental procurement requirements for global OEM product lines.
Recommandé
Industrial Temperature Controller
Industrial PID temperature controllers use the TLP3083F to switch resistive heater bands from a 4-20 mA or digital input signal. The optocoupler isolates the low-voltage analog front-end from 230 V AC heater switching, protecting precision ADC inputs and op-amps from line transients. With 5000 Vrms isolation and an 800 V VDRM, the TLP3083F tolerates industrial-grade voltage spikes from motor drives and inductive loads sharing the same panel. The ZVC function eliminates the high dI/dt that would otherwise couple back through the heater cold-resistance and disturb neighboring thermocouple readings - a real consideration in multi-zone furnaces.
Recommandé
AC Power Switch for Smart Home / IoT
In Wi-Fi or Zigbee-controlled smart plugs and wall switches, the TLP3083F bridges 3.3 V MCU logic with the 230 V AC load. The MCU drives the LED through a current-limiting resistor, and the output triac gates the main switching element. The zero-voltage-crossing detector satisfies conducted EMI requirements (EN 55014 / EN 55032) that smart-home products must meet for CE/FCC certification. The wide-creepage DIP6 F-package gives the PCB designer enough physical separation between mains and low-voltage tracks to pass 8 mm clearance on the final layout.
Recommandé
Lighting Control (Lamp Dimmers using ZVC Driver)
Although primarily designed for AC resistive and inductive switching, the TLP3083F can also be used in non-dimming lamp control and LED driver input stages where EMI suppression matters. Its zero-cross detection provides clean turn-on for filament lamps and integrated LED-driver inputs, reducing thermal stress and extending lamp life. Note: it is NOT suitable for phase-control dimming - for that application choose a random-phase driver like the MOC3021. For ON/OFF lighting relay blocks in buildings and hotels, the TLP3083F's reinforced insulation and wide-creepage package make it a robust choice.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour TLP3083F — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | TLP3083F(LF4,F | TLP3083F(TP4,F | TLP3083F(D4,TP4F | TLP3063F | MOC3041 |
|---|---|---|---|---|---|---|
| Package | 6-DIP F-type wide creepage | 6-DIP F-type (same) | 6-DIP F-type (same) | 6-DIP F-type (same) | 6-DIP F-type (same) | 6-DIP (same) |
| Brand | Toshiba | Toshiba (same) | Toshiba (same) | Toshiba (same) | Toshiba (same) | onsemi |
| VDRM (Peak Off-State Voltage) | 800 V | 800 V | 800 V | 800 V | 600 V | 400 V |
| Zero-Cross Detection | Yes | Yes | Yes | Yes | Yes | Yes |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms | 7500 Vpeak (typ) |
| Approx. Unit Price (qty 1) | $1.45 | ~$1.45 | ~$1.45 | ~$1.45 | ~$1.30 | ~$1.10 |
Principaux différenciateurs
- Highest VDRM in Toshiba TLP3063/TLP3083 family (vs TLP3063F)
- Wide-creepage F-package with reinforced 0.4 mm insulation (vs MOC3041 (standard 6-DIP))
- Toshiba halogen-free and RoHS-compliant (vs Older phototriac competitors)
Notes de conception
Maintain at least 8 mm clearance/creepage between the LED side (pins 1-2) and the triac side (pins 4 and 6) on the PCB to preserve the 5000 Vrms isolation rating. The F-type wide-creepage package provides 0.4 mm internal insulation, but external PCB spacing is the designer's responsibility. For 230 V AC mains, IPC-2221 and IEC 60747-5-2 reinforced-insulation creepage rules apply - typically 8 mm or more on the PCB surface.
Calculate the LED current-limiting resistor for worst-case conditions: R_LED = (VCC_min - V_F) / I_FT, where V_F ~1.2 V and I_FT is the maximum trigger current. For VCC=5 V and I_FT=15 mA, R ~250 ohm. Use a 1 % tolerance resistor and stay well above the minimum trigger current to ensure reliable zero-cross turn-on. A higher LED current (e.g., 20 mA) reduces turn-on delay variation across the AC cycle.
Do NOT use the TLP3083F for phase-control dimming. The zero-voltage-crossing detector intentionally prevents triac turn-on away from the 0 V crossing, so it cannot produce variable conduction angles. For dimming use a random-phase driver such as the MOC3021. Also avoid using the TLP3083F with highly inductive loads without a snubber - the ZVC function helps EMI but does not replace the standard RC snubber across MT1-MT2.
The TLP3083F DIP6 package dissipates ~100 mW internally per channel under typical operating conditions. Estimated: with I_F = 20 mA and V_F = 1.3 V, LED dissipation is ~26 mW. The output triac sees similar low power because the main switching triac (external) handles load current. No heatsink is required for the optocoupler itself, but ensure the surrounding ambient does not exceed the published operating temperature.
Informations de conformité
RoHS and halogen-free per Toshiba product page. Reinforced insulation 0.4 mm supports IEC 60747-5-2. AEC-Q100 not applicable for optocouplers in non-automotive-grade variants.
