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Vishay Semiconductor Opto Division TLHR4407
- Part No.:
- TLHR4407
- Manufacturer:
- Vishay Semiconductor Opto Division
- Category:
- LED Indication - Discrete
- Package:
- Radial
- Datasheet:
-
TLHR4407.pdf
- Description:
- LED RED DIFFUSED T-1 T/H
- Quantity:
- Payment:
- Shipping:
Inventory:4,818
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Product details
Overview
TLHR4407 from Vishay Semiconductors is a red light-emitting diode (LED) in a 3 mm tinted diffused plastic package (T-1), designed for status indication and panel lighting. It delivers 6.3–15 mcd luminous intensity at 10 mA, with dominant wavelength 612–625 nm, forward voltage 2–3 V at 20 mA, and ±30° viewing angle.
For engineers reviewing the TLHR4407 datasheet, TLHR4407 pinout, TLHR4407 application, or TLHR4407 equivalent, this device serves as a standardized visual indicator requiring precise luminance binning, stable DC/peak-current drive, and compatibility with through-hole PCB assembly in industrial control panels, instrumentation readouts, and maintenance lighting systems.
Technical Context
The TLHR4407 uses GaAsP-on-GaP epitaxial technology to achieve red emission with high on-off contrast and uniform chromaticity across production lots. Its ±30° half-intensity angle and tinted diffused lens ensure wide-angle visibility without hotspots.
Rated for 30 mA DC forward current and 1 A surge (10 μs), it operates from −40 °C to +100 °C ambient and features 400 K/W junction-to-ambient thermal resistance - enabling reliable performance in unheatsinked indicator applications without derating below 60 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Color | Red (dominant wavelength 612–625 nm) |
| Luminous intensity | 6.3–15 mcd at 10 mA - supports clear visibility in low-ambient-light control panels |
| Forward voltage | 2–3 V at 20 mA - compatible with standard 3.3 V / 5 V logic-level current-limiting resistor drive |
| Viewing angle | ±30° half-intensity - provides consistent brightness across wide operator viewing zones |
| Absolute max forward current | 30 mA DC - sets upper limit for continuous indicator duty without thermal degradation |
| Junction temperature limit | 100 °C - defines maximum allowable die temperature under sustained operation |
| Package | Ø 3 mm tinted diffused plastic (T-1) - industry-standard through-hole mounting with mechanical tolerance ≤ ±0.15 mm |
Pinout & Package
TLHR4407 is a two-terminal through-hole LED in a standard Ø 3 mm (T-1) tinted diffused plastic package. Cathode is identified by a flat edge on the lens housing and shorter lead; anode is longer lead. No internal circuitry - direct DC bias only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (longer lead) | Positive terminal | Connects to current source or pull-up; requires series resistor to limit IF to ≤30 mA |
| Cathode (shorter lead, flat side) | Negative terminal | Connects to ground or current sink; polarity-sensitive - reverse bias must not exceed 6 V |
Key Features
| Feature | Design Value |
|---|---|
| Standard T-1 package | Enables drop-in replacement in legacy 3 mm LED footprints without PCB redesign |
| Luminous intensity binning | Guarantees IVmin/IVmax ≤ 0.5 per bag - ensures uniform brightness across assembled indicators |
| Wide viewing angle (±30°) | Eliminates need for secondary optics in front-panel status lights |
| DC and high peak current support | Withstands 1 A surge (10 μs) - suitable for multiplexed display drivers and pulse-width modulated dimming |
| Tinted diffused lens | Provides high on-off contrast and eliminates glare in operator-facing applications |
Applications
| Status lights | Off / on indicator |
|---|---|
Use Scenario: Visual confirmation of power state or system readiness on industrial HMIs and PLC enclosures. IC Role / Device Role / Timing Role: Discrete optical indicator - no timing or signal processing; driven directly by microcontroller GPIO or discrete transistor switch. Use Value: High on-off contrast and ±30° viewing angle ensure immediate recognition by operators across varied angles and ambient lighting. |
Use Scenario: Binary state feedback on test equipment front panels and medical device control interfaces. IC Role / Device Role / Timing Role: Passive light source - activated by steady DC current; no internal regulation or logic. Use Value: Luminous intensity binning (IVmin/IVmax ≤ 0.5) guarantees consistent brightness across multiple units on same panel. |
| Background illumination | Readout lights |
Use Scenario: Edge-lit backlighting for membrane keypads and segmented LCD overlays in factory-floor devices. IC Role / Device Role / Timing Role: Constant-current driven emitter - no PWM required for basic illumination; compatible with analog dimming via resistor adjustment. Use Value: Tinted diffused lens delivers even, non-glare light distribution without secondary diffusers. |
Use Scenario: Localized lighting for analog meter scales and digital display digits in avionics and instrumentation. IC Role / Device Role / Timing Role: Standalone optical source - driven at 10–20 mA for stable photometric output over temperature (−40 to +100 °C). Use Value: Dominant wavelength stability (612–625 nm) ensures consistent color perception across operating life and ambient conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar red LED indicator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay TLHR4405 | Identical package, technology, and wavelength; lower typical luminous intensity (6.3 mcd vs. 15 mcd at 10 mA) | Suitable where reduced brightness avoids washout in brightly lit environments | Select TLHR4405 when lower power consumption or softer visual impact is prioritized over maximum visibility |
| ROHM SML-P111UTT86 | Surface-mount 0805 package (2.0 × 1.25 mm); higher VF (2.1–2.5 V), narrower viewing angle (±20°) | Designed for space-constrained PCBs; requires rework of footprint and solder profile | Choose only if board real estate is critical and through-hole assembly is not feasible |
Compared with TLHR4407, TLHR4405 offers identical form and fit but reduced luminance for lower-power or glare-sensitive use cases, while SML-P111UTT86 trades mechanical compatibility for miniaturization - requiring layout change and thermal validation due to differing package thermal resistance.
Availability
TLHR4407 is available at Aetrix Electronics and suitable for industrial HMIs, instrumentation readouts, and maintenance lighting requiring stable component supply, consistent luminance binning, and long-term obsolescence management.
Supply support for TLHR4407 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and passive elements, with emphasis on reliability, precision, and automotive/industrial qualification.
The TLHR4407 belongs to Vishay's standard 3 mm LED product line, engineered for general-purpose visual indication where mechanical robustness, color consistency, and wide-angle visibility are primary design requirements.
FAQ
What is the absolute maximum reverse voltage rating for TLHR4407?
The TLHR4407 has an absolute maximum reverse voltage (VR) rating of 6 V at 25 °C. Exceeding this value risks permanent junction damage. Reverse leakage current is specified at 10 μA up to 6 V, and the device is not intended for reverse-biased operation in normal use. Always include appropriate polarity protection in designs where reverse transients may occur.
Does TLHR4407 require a current-limiting resistor, and what value is recommended for 5 V supply?
Yes, TLHR4407 requires an external current-limiting resistor. At 20 mA forward current and typical VF of 2.5 V, a 125 Ω resistor is recommended for a 5 V supply (R = (5 V − 2.5 V) / 0.02 A = 125 Ω). For continuous operation, select ≥¼ W metal film resistor; verify power dissipation does not exceed 62.5 mW at 20 mA.
Is TLHR4407 RoHS-compliant and halogen-free?
Yes, TLHR4407 complies with RoHS Directive 2011/65/EU and is halogen-free per Vishay specification document 99912. Material declarations confirm absence of brominated flame retardants, chlorine, and other restricted substances - verified through certified supplier data and internal testing protocols.
Can TLHR4407 be used in pulsed operation, and what is its maximum surge current capability?
Yes, TLHR4407 supports pulsed operation with a maximum surge forward current (IFSM) of 1 A for pulse widths ≤10 μs. Pulse duty cycle must remain low enough to keep average power within 100 mW and junction temperature below 100 °C. Derate peak current linearly above 25 °C ambient per the thermal resistance (RthJA = 400 K/W).
What does the "7" suffix in TLHR4407 indicate per Vishay's nomenclature?
The "7" in TLHR4407 denotes the luminous intensity group "Q", corresponding to 6.3–12.5 mcd at 10 mA per Vishay's classification table. This bin ensures tight brightness matching within a single packaging unit (IVmin/IVmax ≤ 0.5), critical for uniform appearance across multi-LED panels using TLHR4407.
TLHR4407 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Semiconductor Opto Division
- Series:
- TLH.44
- Package/Case:
- Radial
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Color:
- Red
- Configuration:
- Standard
- Lens Color:
- -
- Lens Transparency:
- Diffused
- Millicandela Rating:
- 8mcd
- Lens Style:
- Round with Domed Top
- Lens Size:
- 3mm, T-1
- Voltage - Forward (Vf) (Typ):
- 2V
- Current - Test:
- 10mA
- Viewing Angle:
- 60°
- Mounting Type:
- Through Hole
- Wavelength - Dominant:
- 619nm
- Wavelength - Peak:
- 635nm
- Features:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- T-1
- Size / Dimension:
- -
TLHR4407 FAQ
1.How can I place an order for TLHR4407 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLHR4407 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLHR4407 reliable?
The price and inventory of TLHR4407 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLHR4407 is usually 5 days.
3.What payment methods are accepted for TLHR4407?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLHR4407 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLHR4407?
TLHR4407 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLHR4407 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLHR4407?
For technical support, including TLHR4407 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLHR4407 requirements.
6.How does Aetrix verify that TLHR4407 is sourced from the original manufacturer or authorized distributors?
All TLHR4407 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLHR4407 meets industry standards.
7.What is the process for return or replacement of TLHR4407?
All TLHR4407 units undergo pre-shipment inspection (PSI). If there is an issue with TLHR4407, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLHR4407 part is unused and in its original packaging.
Return procedure for TLHR4407:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLHR4407 Tags
-
LTST-C281KRKT
Lite-On Inc.
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150060GS75000
Würth Elektronik
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150060VS75000
Würth Elektronik
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150060AS75000
Würth Elektronik
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150060YS75000
Würth Elektronik
-
150060SS75000
Würth Elektronik
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150060BS75000
Würth Elektronik
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151031VS06000
Würth Elektronik
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151033RS03000
Würth Elektronik
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150080BS75000
Würth Elektronik
-
150080GS75000
Würth Elektronik
-
150141GS73100
Würth Elektronik
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