MV8741 Orange LED T-1 3/4 Through Hole Equivalent & Substitute Parts

Part Overview

The MV8741 is an orange 615nm LED indication component manufactured by onsemi in a T-1 3/4 through-hole radial package. This discrete LED operates at 2.1V forward voltage with a 370mcd brightness rating and 20° viewing angle. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	MV8741
Manufacturer	onsemi
Color	Orange
Lens Size	5mm, T-1 3/4
Mounting Type	Through Hole
Package / Case	Radial
Voltage - Forward (Vf) (Typ)	2.1V
Current - Test	20mA
Wavelength - Dominant	615nm
Millicandela Rating	370mcd
Viewing Angle	20°
Height (Max)	8.89mm
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the MV8741 is determined by the following critical parameters: lens size (5mm T-1 3/4), mounting type (through hole radial), forward voltage compatibility (2.0V to 2.2V range), current rating (20mA test), and lens transparency (clear). The substitute parts are grouped into two categories based on color and wavelength characteristics:

Orange LED Substitutes (Primary Category): Parts matching the original orange color (605nm to 615nm wavelength range) with T-1 3/4 through-hole radial packaging. These include HLMP-EJ08-WZ000, HLMP-EJ24-QT000, HLMP-EJ30-NR000, and HLMP-EJ30-NR0DD from Broadcom Limited, all operating at 1.98V forward voltage.

Yellow LED Substitutes (Secondary Category): Parts with yellow color (583nm to 591nm wavelength range) in T-1 3/4 through-hole radial packaging. These include 5219466F (Dialight), LTL2R3KSK (Lite-On Inc.), OVLFY3C7, OVLGY0C9B9 (TT Electronics/Optek Technology), SLI-570Y2T3F, and SLI-570YT3F (Rohm Semiconductor), operating at 2.0V to 2.2V forward voltage.

Parameter Comparison

Part Number	Manufacturer	Color	Lens Size	Vf (Typ)	Wavelength (nm)	mcd Rating	Viewing Angle	Height (Max)	Product Status
MV8741	onsemi	Orange	5mm, T-1 3/4	2.1V	615	370	20°	8.89mm	Obsolete
HLMP-EJ08-WZ000	Broadcom Limited	Orange	5mm, T-1 3/4	1.98V	605	10750	8°	8.91mm	Active
HLMP-EJ24-QT000	Broadcom Limited	Orange	5mm, T-1 3/4	1.98V	605	2175	23°	8.91mm	Active
HLMP-EJ30-NR000	Broadcom Limited	Orange	5mm, T-1 3/4	1.98V	605	1290	30°	8.91mm	Active
HLMP-EJ30-NR0DD	Broadcom Limited	Orange	5mm, T-1 3/4	1.98V	605	1290	30°	8.91mm	Active
5219466F	Dialight	Yellow	4.83mm Dia	2.2V	583	140	24°	8.81mm	Active
LTL2R3KSK	Lite-On Inc.	Yellow	5mm, T-1 3/4	2.05V	590	1150	30°	8.70mm	Active
OVLFY3C7	TT Electronics/Optek Technology	Yellow	5mm, T-1 3/4	2V	589	7400	30°	8.70mm	Active
OVLGY0C9B9	TT Electronics/Optek Technology	Yellow	5mm, T-1 3/4	2V	589	14000	8°	8.90mm	Active
SLI-570Y2T3F	Rohm Semiconductor	Yellow	5.00mm Dia	2.1V	591	5200	20°	8.85mm	Active
SLI-570YT3F	Rohm Semiconductor	Yellow	5mm, T-1 3/4	2.1V	591	5200	20°	8.85mm	Active

Engineering Selection Recommendations

Orange LED Substitutes: The Broadcom Limited HLMP series (HLMP-EJ08-WZ000, HLMP-EJ24-QT000, HLMP-EJ30-NR000, HLMP-EJ30-NR0DD) are active products with ROHS3 compliance. These parts maintain the T-1 3/4 form factor and through-hole radial package. The HLMP-EJ30-NR0DD variant offers the highest inventory availability (19,741 pcs) in Cut Tape packaging. Forward voltage is 1.98V, within acceptable tolerance of the MV8741's 2.1V specification. Selection among these orange substitutes depends on viewing angle and brightness requirements: HLMP-EJ08-WZ000 for narrow-angle high-brightness applications (8°, 10750mcd), HLMP-EJ24-QT000 for moderate-angle applications (23°, 2175mcd), and HLMP-EJ30-NR000/NR0DD for wide-angle applications (30°, 1290mcd).

Yellow LED Substitutes: When color substitution is acceptable, yellow LED options provide active product status and ROHS3 compliance. SLI-570YT3F (Rohm Semiconductor) matches the MV8741's 20° viewing angle and 2.1V forward voltage with 5200mcd brightness. OVLFY3C7 (TT Electronics/Optek Technology) offers higher brightness (7400mcd) at 30° viewing angle with 2V forward voltage. LTL2R3KSK (Lite-On Inc.) provides 1150mcd at 30° viewing angle with 2.05V forward voltage. All yellow substitutes maintain T-1 3/4 through-hole radial packaging and clear lens transparency.

All substitute parts carry REACH Unaffected or REACH Affected status and EAR99 ECCN classification, matching the original part's regulatory profile. Moisture Sensitivity Level remains 1 (Unlimited) across all substitutes.

Frequently Asked Questions (FAQ)

Q: Can I substitute an orange LED with a yellow LED? A: Yes, if your application permits color change. The yellow substitutes maintain compatible electrical parameters (forward voltage 2.0V to 2.2V, 20mA test current) and identical through-hole radial packaging. Verify that your circuit design and visual indication requirements accept yellow instead of orange.

Q: What is the difference between HLMP-EJ30-NR000 and HLMP-EJ30-NR0DD? A: Both parts are electrically and mechanically identical with 1290mcd brightness and 30° viewing angle. The primary difference is packaging: HLMP-EJ30-NR000 is supplied in Bulk packaging, while HLMP-EJ30-NR0DD is supplied in Cut Tape (CT) packaging. HLMP-EJ30-NR0DD has significantly higher inventory availability (19,741 pcs vs. 926 pcs).

Q: How do I select between different brightness levels in the Broadcom HLMP series? A: Brightness selection depends on your application's visibility requirements and viewing angle constraints. HLMP-EJ08-WZ000 provides the highest brightness (10750mcd) but the narrowest viewing angle (8°), suitable for direct-view applications. HLMP-EJ24-QT000 offers moderate brightness (2175mcd) at 23° viewing angle. HLMP-EJ30-NR000/NR0DD provides the widest viewing angle (30°) with lower brightness (1290mcd), suitable for ambient-light applications requiring wide visibility.

Q: Are all substitute parts RoHS compliant? A: Yes. All Broadcom Limited HLMP series parts and TT Electronics/Optek Technology parts carry ROHS3 compliance. Rohm Semiconductor SLI-570 series parts carry ROHS3 compliance. Dialight 5219466F carries ROHS3 compliance. Lite-On Inc. LTL2R3KSK does not explicitly list RoHS status in the provided data.

Q: What forward voltage tolerance should I design for? A: The MV8741 operates at 2.1V typical. Orange substitutes operate at 1.98V typical (0.12V lower). Yellow substitutes operate at 2.0V to 2.2V typical. Design your current-limiting resistor to accommodate this range. At 20mA test current, the voltage difference affects power dissipation and brightness output.

Q: Can I use these parts in surface-mount applications? A: No. All listed parts, including the MV8741 and all substitutes, are through-hole radial components. They require PCB holes and are not suitable for surface-mount assembly.

Q: What is the viewing angle impact on my design? A: Viewing angle determines the cone of light emission. The MV8741 has a 20° viewing angle. Narrow-angle substitutes (8°) concentrate light in a tight cone, suitable for direct viewing. Wide-angle substitutes (30°) spread light across a broader area, suitable for ambient indication. Select based on your application's physical layout and visibility requirements.

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