TLP183(TPL - 3750Vrms SO6 Phototransistor Optocoupler | Toshiba
料号： TLP183(TPL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.48 | $0.48 |
| 10 | $0.42 | $4.20 |
| 100 | $0.31 | $31.00 |
| 500 | $0.24 | $120.00 |
| 1,000 | $0.19 | $190.00 |
TLP183(TPL 概述
A phototransistor optocoupler (also called a photocoupler or opto-isolator) is a semiconductor device that transfers electrical signals between two isolated circuits using a light beam inside a sealed package. The input LED converts an electrical current into infrared light, and the output phototransistor converts the light back into a current proportional to the received optical flux. Because there is no galvanic connection between input and output, the device provides galvanic isolation - the foundation of safety in PLC I/O modules, switching power supplies, industrial communication interfaces, and any application where high-voltage transients on one side must not reach sensitive low-voltage logic on the other side. Within the broader component taxonomy, phototransistor optocouplers sit under: optoisolator -> isolator -> solid-state relay precursor -> interface IC.
The TLP183 distinguishes itself with a 3750 Vrms isolation voltage (per UL1577 / VDE 0884 expectations typical for the SO6 family), a current transfer ratio (CTR) of 50% minimum at IF = 5 mA, VCEO = 80 V collector-emitter breakdown, and a response time of approximately 4 us (ton/toff). The SO6 package is roughly one-third the footprint of a DIP-4 optocoupler, enabling reflow-compatible surface mounting at high density.
Internally, the LED die emits at a peak wavelength near 940 nm, matched to the silicon phototransistor's peak responsivity band. The base of the phototransistor is typically pinned out internally to a no-connect or brought out depending on variant; TLP183 has the base NC by design, simplifying application circuits. CTR binning options (BL / GR / GB / Y / etc.) allow the designer to select the current transfer range that matches their biasing and switching-speed requirements.
Typical applications include PLC digital input modules (24V signal isolation to 3.3V/5V logic), switching-mode power supply (SMPS) primary-to-secondary feedback (TL431-style isolation paths), communication interface isolation (RS-232/RS-485 line-side isolation), IGBT/MOSFET gate-drive signal isolation in motor drives, and AC-line zero-cross detection.
When designing with the TLP183, ensure the LED forward current (IF) is biased within the 1-20 mA recommended range for stable CTR; do not exceed IF = 50 mA. A 10 kohm pull-up on the collector with a 5V logic rail typically works for 5V digital interfaces; for 3.3V logic, verify the dark-current and CTR minimums at your operating temperature.
This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not consolidated on the manufacturer product page.
直接替换替代料： TLP183(TPL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TLP183(TPL （相同外形与封装尺寸） ——差异在于 Operating Temperature Range, Package, Mounting Type, RoHS Status, CTR Rank.
快速对比工具——选择替代料号进行并排对比：
TLP183(BL-TPL,E
✅ 直接替换📋 参考替代料（不在目录中）
TLP183(GR-TPL,E
✅ 直接替换📋 参考替代料（不在目录中）
TLP183(GB-TPL,E
✅ 直接替换✓ 有现货
$0.09 / 个
查看数据手册 →TLP185(GR-TPL,SE
✅ 直接替换📋 参考替代料（不在目录中）
ILD213T
✅ 直接替换📋 参考替代料（不在目录中）
HCPL-0701
✅ 直接替换📋 参考替代料（不在目录中）
TLP182(GR-TPL,E
✅ 直接替换📋 参考替代料（不在目录中）
TLP183(TPL 最大额定值与电气特性
| Isolation Voltage | 3750 Vrms |
| 输出类型 | NPN Phototransistor |
| Input Type | DC (GaAs Infrared LED) |
| Number of Channels | 1 |
| 封装 | 6-SO / SO6 (4 active pins) |
| 集电极-发射极电压（Vceo） | 80 V |
| Emitter-Collector Voltage (VECO) | 7 V |
| Forward Current (IF) Max | 50 mA |
| Forward Voltage (VF) Typ | 1.25 V at IF = 10 mA |
| Current Transfer Ratio (CTR) Min | 50 % at IF = 5 mA, VCE = 5 V |
| Rise/Fall Time (typ) | 4 us (ton/toff) |
| 工作温度范围 | -55 C to +125 C |
| 安装类型 | Surface Mount |
| MSL 等级 | 1 |
| RoHS 状态 | Compliant |
TLP183(TPL 引脚配置
| 引脚 1 | LED Anode — Input LED anode - bias with positive current through external resistor |
| 引脚 2 | LED Cathode — Input LED cathode - connect to ground through current-limiting resistor |
| 引脚 3 | NC — Not connected (mechanical pad only) |
| 引脚 4 | Emitter — Phototransistor emitter - typically tied to logic GND |
| 引脚 5 | Collector — Phototransistor collector - pull-up to logic supply via external resistor |
| 引脚 6 | NC — Not connected (mechanical/thermal pad only) |
典型应用
TLP183(TPL 适用于 7 应用s: PLC Digital Input Module Isolation, Switching Power Supply (SMPS) Feedback Isolation, RS-485 / RS-232 Communication Interface Isolation, IGBT / MOSFET Gate Drive Signal Isolation, AC Line Zero-Cross Detection, Medical Equipment Patient Isolation, Battery Management System (BMS) Communication Isolation.
PLC Digital Input Module Isolation
The TLP183(TPL is the industry-standard choice for isolating 24V PLC digital inputs from 3.3V/5V logic controllers. Its 3750 Vrms isolation safely rejects the common-mode transients present on factory-floor wiring (per IEC 61131-2), while the 50% minimum CTR at IF = 5 mA cleanly interfaces with a single 24V input channel through a 4.7 kohm current-limiting resistor. The SO6 footprint saves roughly 60% board area versus DIP-4 optocouplers - critical for high-density 32- or 64-channel PLC input cards where hundreds of optos must fit on a single backplane.
推荐
Switching Power Supply (SMPS) Feedback Isolation
In AC-DC and isolated DC-DC converters, the TLP183(TPL provides primary-to-secondary feedback isolation for TL431-style regulation loops. The 3750 Vrms rating satisfies reinforced insulation requirements for consumer and industrial power supplies up to 250Vrms working voltage, while the 80V VCEO handles the high-side collector bias typical of quasi-resonant flyback topologies. Designers use the TLP183 in combination with a TL431 reference on the secondary side, with the opto feeding back to a UC3842 or similar PWM controller on the primary.
推荐
RS-485 / RS-232 Communication Interface Isolation
The TLP183(TPL isolates RS-485 transceiver logic from bus-side transients in industrial networking equipment. A typical circuit places the TLP183 between the MCU UART and the RS-485 driver (e.g., THVD1552DR), with the LED biased through a 470-ohm resistor at 5V. The 3750 Vrms isolation protects the MCU from ground-potential differences and ESD events on the bus. For full-duplex isolation, two TLP183 devices are used (one per direction), with the SO6 footprint allowing dense placement near the bus connector.
推荐
IGBT / MOSFET Gate Drive Signal Isolation
Motor drives and inverter stages use the TLP183(TPL to isolate gate-drive PWM signals from low-voltage logic. While the TLP183 is not as fast as dedicated gate-drive optos (e.g., HCPL-3120), it suits low-frequency (under 50 kHz) IGBT modules in industrial motor controllers and solar inverters. The 4 us response time accommodates 10 kHz PWM updates with comfortable margin, and the 80V VCEO handles the bootstrap supply rails typical of low-side gate-drive circuits in three-phase inverters.
推荐
AC Line Zero-Cross Detection
The TLP183(TPL provides isolated zero-cross detection for triac/SCR firing circuits in solid-state relays (SSRs) and dimmer controls. An external bridge rectifier and current-limiting resistor feed the input LED from the 120V/240V AC mains, while the output phototransistor pulls a logic-low signal into a microcontroller at each AC zero crossing. The 3750 Vrms isolation rating ensures safe separation between line voltage and the low-voltage controller. This topology is widely used in home-automation dimmers and industrial SSR banks.
推荐
Medical Equipment Patient Isolation
In patient-monitoring equipment (per IEC 60601-1 isolation requirements), the TLP183(TPL provides basic isolation between the patient-connected sensor circuits and the mains-powered host. While reinforced isolation typically requires two optos in series or a higher-rated isolation barrier, the TLP183's 3750 Vrms is suitable for BF-type (body-floating) applied parts in low-risk monitoring such as temperature or SpO2 peripherals. The SO6 footprint supports compact wearable designs.
推荐
Battery Management System (BMS) Communication Isolation
In multi-cell lithium battery packs, the TLP183(TPL isolates the high-voltage battery monitoring circuits (e.g., AFE for cell balancing) from the low-voltage CAN bus that leaves the pack. A typical BMS uses one TLP183 per CAN TX/RX line, with the 3750 Vrms rating providing reliable isolation across the 400V+ typical EV battery bus. The TLP183's -55 C to +125 C operating temperature range supports under-hood automotive environments, while the SO6 footprint minimizes BMS board real estate.
推荐
推荐产品汇总
工程参考数据： TLP183(TPL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TLP183(BL-TPL,E | TLP185(GR-TPL,SE | ILD213T | HCPL-0701 |
|---|---|---|---|---|---|
| Package | 6-SO (SO6, 4 active pins) | 6-SO (SO6, 4 active pins) - same | 6-SO (SO6, 4 active pins) - same | 6-SO (SO6, 4 active pins) - same | 6-SO (SO6, 4 active pins) - same |
| Brand | Toshiba | Toshiba | Toshiba | Vishay Intertechnology | Broadcom |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms | 5300 Vrms | 3750 Vrms |
| CTR (Minimum) | 50 % at IF=5 mA | 200 % (BL bin) | 100 % (GR bin) | 100 % at IF=10 mA | 25 % |
| VCEO | 80 V | 80 V | 80 V | 70 V | 24 V |
| Forward Current (IF) Max | 50 mA | 50 mA | 50 mA | 60 mA | 20 mA |
| Response Time (typ) | 4 us | 4 us | 4 us | 4 us | 20 us |
| Operating Temperature | -55 C to +125 C | -55 C to +125 C | -55 C to +125 C | -40 C to +100 C | -40 C to +85 C |
关键差异点
- Highest guaranteed isolation voltage in SO6 phototransistor optocouplers （对比 HCPL-0701)
- Extended -55 C to +125 C industrial operating temperature range （对比 ILD213T)
- Higher VCEO rating for high-side switching applications （对比 HCPL-0701)
- Higher maximum forward current rating （对比 HCPL-0701)
设计说明
Bias the input LED within the recommended IF = 1-20 mA range for stable CTR. Use a 4.7 kohm resistor from a 24V PLC input, or a 470-ohm resistor from a 5V logic rail (IF ~ 8 mA). Do not exceed the absolute maximum IF = 50 mA. Add a 1N4148 reverse-bypass diode across the LED for reverse-polarity protection when the source is a DC industrial input. Place a 0.1 uF ceramic bypass capacitor close to VCC on the collector pull-up to suppress switching transients.
Estimated: at IF = 20 mA and VCE = 5V, the TLP183 dissipates approximately 100 mW - well within the SO6 thermal rating. However, when the collector saturates at low VCE, dissipation drops to under 10 mW. The SO6 package has a thermal resistance theta_JA of approximately 200 C/W, but practical dissipation is so low that no heatsinking is required. For high-density PLC cards with 64+ TLP183 devices in a confined area, ensure ambient temperature stays within the -55 C to +125 C operating envelope with adequate board airflow.
Use a guard trace or keep-out region around the SO6 package body to maintain the 3750 Vrms isolation. The minimum creepage distance for 3750 Vrms isolation in pollution degree 2 is typically 5 mm; the SO6 package provides 8 mm internal creepage, but external routing must not bridge this gap with copper. Maintain a 1.27 mm (50 mil) clearance from the input-side (pins 1-2) to the output-side (pins 4-5) copper pours on the top and inner layers. Avoid placing any signal trace under the package that crosses the isolation barrier.
The TLP183's 4 us typical response time makes it unsuitable for high-speed digital links above 100 kbps. For higher-speed interfaces, use the Toshiba TLP2768 or Broadcom HCPL-0721 (both with sub-100 ns propagation delay). When using the TLP183 for pulse-width-modulated gate drive signals, ensure the PWM frequency is below 50 kHz (i.e., period > 20 us) so the 4 us turn-off time does not distort the duty cycle. Add a 10 kohm base-to-emitter resistor if faster turn-off is required, since this discharges the phototransistor's base capacitance.
Do not assume all CTR bin codes are interchangeable - the TLP(BL ~ 200-400% CTR) and TLP(GR ~ 100-300% CTR) deliver very different collector currents at the same IF. Verify your downstream logic input thresholds accommodate the worst-case minimum CTR. Also, dark current (ICEO) at +85 C can reach 100 nA - this may falsely trigger high-impedance CMOS inputs if no pull-down is provided. Add a 100 kohm pull-down on the collector for CMOS interfaces. Finally, do not use the TLP183 for reinforced isolation in medical (IEC 60601-1) without verifying the working voltage and means of patient protection - it is rated for basic isolation only at 3750 Vrms.
合规信息
RoHS and REACH compliant per Toshiba product page (2026-10-11). Not AEC-Q100 qualified - for automotive optocouplers, see Toshiba TLP109 or TLP5214 series. Halogen-free status not explicitly stated in retrieved data.
