TLP183(GB-TPL,E - 3750Vrms Phototransistor Optocoupler SO6
MPN: TLP183GB(GB-TPL.E ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.35 | $0.35 |
| 10 | $0.28 | $2.80 |
| 100 | $0.2 | $20.00 |
| 500 | $0.16 | $80.00 |
| 1,000 | $0.13 | $130.00 |
TLP183GB(GB-TPL.E Overview
A phototransistor optocoupler is a galvanic isolation device that transfers an electrical signal between two circuits using light, blocking high voltages and transient surges while transmitting the analog or digital signal at the speed of the photodetector. Within the broader component taxonomy, the TLP183 belongs to optoisolators > optocouplers > solid-state relays > isolators > discrete semiconductors, with the phototransistor output placing it in the same family as the Toshiba TLP181, TLP185 and TLP184 series.
Key features include 3750 Vrms minimum isolation voltage, 50 mA maximum forward current, 80 V collector-emitter breakdown voltage, 50 mA collector current, and an operating temperature range of -55C to +110C. The GB CTR rank provides 100% to 300% typical transfer ratio at IF=5 mA and VCE=5 V, which is well suited to digital signal isolation in PLCs and communication interfaces. A GaAs infrared LED emitter delivers fast switching with rise/fall times measured in microseconds.
The TLP183 employs a high-isolation optically-coupled architecture: the input-side GaAs LED converts the input current into modulated infrared light that crosses an internal transparent isolation barrier, after which a silicon phototransistor converts the light back into a current at the output side. The result is complete electrical isolation between input and output while preserving the timing and amplitude characteristics of the original signal.
Typical applications include PLC digital input/output isolation, communication interface isolation (RS-232, RS-485 line-side isolation), power supply feedback loops, and AC mains detection circuits where 3750 Vrms isolation is required by safety standards. The wide -55C to +110C temperature range also supports industrial and consumer-grade equipment.
When designing with the TLP183, ensure that the bias resistor on the LED side limits the forward current to within 50 mA DC, and that the collector pull-up resistor is sized according to the desired switching speed and the chosen CTR rank. Proper creepage and clearance around the SO6 body must be maintained to preserve the 3750 Vrms isolation rating in end-equipment safety certification.
This page synthesizes distributor pricing, drop-in same-brand alternatives, parametric comparison and practical design notes not found in the standalone Toshiba datasheet.
Drop-in alternatives for TLP183GB(GB-TPL.E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with TLP183GB(GB-TPL.E (same form factor and footprint) — differing in Package, CTR Rank, Input Type, Operating Temperature Range, Output Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TLP183(GB-TPL,E(T
✅ Drop-In📋 Reference alternative (not in catalog)
TLP183(TPL
✅ Drop-In✓ In Stock
$0.19 / Unit
View Datasheet →TLP183(GB-TPL
✅ Drop-In✓ In Stock
$0.12 / Unit
View Datasheet →TLP185(GB-TPL,E
✅ Drop-In📋 Reference alternative (not in catalog)
TLP182(GB-TPL.E(T
✅ Drop-In📋 Reference alternative (not in catalog)
TLP182GR
✅ Drop-In✓ In Stock
$0.27 / Unit
View Datasheet →TLP183GB(GB-TPL.E Maximum Ratings & Electrical Characteristics
| Product Type | Phototransistor Optocoupler (Optoisolator) |
| Output Type | DC, Phototransistor (single channel) |
| Number of Channels | 1 |
| Input Type | DC |
| Maximum Forward Current (IF) | 50 mA |
| Maximum Forward Voltage (VF) | 1.4 V |
| Collector-Emitter Voltage (Vceo) | 80 V |
| Maximum Collector Current | 50 mA |
| Isolation Voltage | 3750 Vrms |
| CTR Rank | GB (100% to 300% at IF=5 mA, VCE=5 V) |
| Operating Temperature Range | -55C to +110C |
| Package | 4-pin SO6 (6-SOP surface mount) |
| Mounting Type | Surface Mount |
| Safety Standards | UL, cUL, VDE, CQC certified (per Toshiba datasheet) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
TLP183GB(GB-TPL.E Pin Configuration
| Pin 1 | Anode — LED anode (input side) |
| Pin 2 | Cathode — LED cathode (input side) |
| Pin 3 | Emitter — Phototransistor emitter (output side) |
| Pin 4 | Collector — Phototransistor collector (output side) |
| Pin 5 | NC — Not connected (per Toshiba SO6 pinout) |
| Pin 6 | NC — Not connected (per Toshiba SO6 pinout) |
Typical Applications
TLP183GB(GB-TPL.E is suitable for 6 applications: PLC Digital Input/Output Isolation, Communication Interface Isolation (RS-232/RS-485 Line Side), Switched-Mode Power Supply (SMPS) Feedback Loop, AC Mains Zero-Cross Detection, Industrial Sensor Signal Isolation, Medical Device Patient Isolation Interface.
PLC Digital Input/Output Isolation
The TLP183(GB-TPL,E provides reinforced 3750 Vrms isolation between the field wiring (24 V logic) and the MCU-side logic on a PLC. Its GB CTR rank of 100% to 300% at IF=5 mA ensures reliable switching of 24 V digital signals while the 50 mA collector current supports most PLC I/O topologies. The SO6 package fits standard PLC module footprints and the 110C operating temperature range covers enclosed industrial cabinets.
Recommended
Communication Interface Isolation (RS-232/RS-485 Line Side)
In RS-232 or RS-485 transceivers, the TLP183(GB-TPL,E isolates the bus-side driver from the logic-side controller to protect the MCU from bus surges and ground loops. With 80 V VCEO and 50 mA collector current, it can drive low-speed isolated data lines and digital control signals. The 3750 Vrms isolation withstands typical transient events on industrial communication buses.
Recommended
Switched-Mode Power Supply (SMPS) Feedback Loop
The TLP183(GB-TPL,E isolates the primary-side feedback path from the secondary-side error amplifier in isolated AC-DC or DC-DC converters. The 3750 Vrms isolation meets reinforced isolation per IEC 62368-1, and the 80 V VCEO handles flyback voltage spikes on the primary side. The GB CTR rank allows precise duty-cycle feedback while the wide -55C to +110C temperature range supports industrial power supplies.
Recommended
AC Mains Zero-Cross Detection
In AC mains zero-cross detectors, the TLP183(GB-TPL,E provides safe isolation between the 230 V AC mains and the low-voltage logic controlling a TRIAC or relay. The 3750 Vrms isolation withstands mains transients, and the SO6 package delivers reliable galvanic separation in a compact SMD footprint suitable for solid-state relay modules and dimmer circuits.
Recommended
Industrial Sensor Signal Isolation
The TLP183(GB-TPL,E isolates analog or digital sensor signals (thermocouples, Hall-effect sensors, proximity switches) from a 4-20 mA loop, or industrial MCU input. Its 80 V VCEO supports 24 V industrial sensor rails and its 50 mA collector current suits most transducer signal conditioning circuits. The SO6 footprint simplifies PCB layout in dense sensor-interface modules.
Recommended
Medical Device Patient Isolation Interface
Patient-monitoring devices use the TLP183(GB-TPL,E to isolate the patient-applied part from the operator-side electronics, meeting IEC 60601-1 reinforced isolation requirements. The 3750 Vrms rating and the GB CTR rank's narrow distribution simplify the bias design for low-leakage patient isolation circuits. The wide operating temperature supports clinical equipment enclosures.
Recommended
Recommended Products Summary
Engineering reference data for TLP183GB(GB-TPL.E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TLP183(GB-TPL,E(T | TLP183(TPL | TLP183(GB-TPL | TLP185(GB-TPL,E | TLP182(GB-TPL.E(T | TLP182GR |
|---|---|---|---|---|---|---|---|
| Package | 4-pin SO6 (6-SOP) | 4-pin SO6 (6-SOP) - same | 4-pin SO6 (6-SOP) - same | 4-pin SO6 (6-SOP) - same | 4-pin SO6 (6-SOP) - same | 4-pin SO6 (6-SOP) - same | 4-pin SO6 (6-SOP) - same |
| Brand | Toshiba | Toshiba | Toshiba | Toshiba | Toshiba | Toshiba | Toshiba |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 5000 Vrms | 3750 Vrms | 3750 Vrms |
| CTR Rank | GB (100% to 300%) | GB (100% to 300%) | Blank (50% to 600%) | GB (100% to 300%) | GB (100% to 300%) | GB (100% to 300%) | GR (100% to 300% at IF=5 mA) |
| Maximum Forward Current | 50 mA | 50 mA | 50 mA | 50 mA | 50 mA | 50 mA | 50 mA |
| Collector-Emitter Voltage (VCEO) | 80 V | 80 V | 80 V | 80 V | 80 V | 80 V | 80 V |
| Operating Temperature Range | -55C to +110C | -55C to +110C | -55C to +110C | -55C to +110C | -55C to +110C | -55C to +110C | -55C to +110C |
| Unit Price (qty 1000) | $0.13 USD | $0.13 USD | $0.12 USD | $0.13 USD | $0.18 USD | $0.11 USD | $0.11 USD |
Key Differentiators
- Higher isolation voltage than TLP182 family (vs TLP182(GB-TPL.E(T)
- Phototransistor output (faster) vs TLP184 Darlington (vs TLP184)
- GB CTR rank gives narrow transfer-ratio window vs blank rank (vs TLP183(TPL (blank rank))
Design Notes
Do not exceed the 50 mA maximum forward current on the LED input. A typical bias design uses IF between 5 mA and 20 mA - below the absolute maximum but high enough to push the phototransistor deep into saturation. Also ensure that the collector-emitter voltage never exceeds 80 V; for switching inductive loads, add a flyback diode across the collector-emitter.
Maintain minimum 8 mm creepage and clearance on the PCB around the SO6 body to preserve the 3750 Vrms isolation rating. Do not route any copper traces or vias under the optocoupler body that could compromise the isolation barrier. Place the bias resistor and pull-up resistor close to the LED and collector pins respectively, with separate ground returns for primary and secondary sides connected only at one point.
The TLP183(GB-TPL,E operates over -55C to +110C. At maximum forward current (50 mA) and maximum collector current (50 mA), the SO6 package dissipates roughly 100 mW. Estimated: with theta_JA around 130 C/W for the SO6 package on a 1 oz copper 2-layer board, the junction temperature rise is approximately 13C above ambient, well within the 110C limit.
Compliance Information
RoHS and lead-free compliant per Toshiba product page. Safety certified to UL, cUL, VDE and CQC per Toshiba datasheet. Not AEC-Q100 qualified - optocouplers are not normally automotive-grade unless explicitly Q1 marked.
