Product Overview
Ushio 5000789 MHR-100D 100W Metal Halide Fiber Optic Reflector Lamp – 95V, 5200K, AMP 3-Pin, M90/E Ballast, 6000Hr
Product Specifications
| Ordering Code | 5000789 |
|---|---|
| Lamp Description | MHR-100D |
| Wattage | 100W |
| Voltage | 95V |
| Lamp Type | Metal Halide Reflector (HID) |
| Color Temperature | 5200K (Daylight) |
| CRI | 72 |
| Rated Average Life | 6,000 Hours |
| Arc Gap | 6.5mm |
| Luminous Efficacy | 85 lumens per watt |
| Luminous Flux (Ø13mm / 42mm)* | 1,600 lm |
| Ignition Voltage | 4 kV |
| Lamp Current | 1.2A |
| Base / Connector Type | AMP Universal Mate-N-Lok – 3-Channel Plug |
| Lead Wire Length | Approx. 75mm |
| Max Overall Length | 70mm |
| Max Diameter | Ø62mm |
| Burn Position | Lead wire facing up (H10 Horizontal) |
| Reflector Type | Cold Mirror Dichroic Ellipsoidal Reflector |
| ANSI Ballast Code | M90/E |
| Required Ballast | M90 or Electronic Equivalent |
| UPC | 048777311479 |
*Measurement taken with optical sphere at Ø13mm aperture, 42mm working distance.
Key Features & Benefits
- Purpose-Built for Fiber Optics: Ellipsoidal reflector aligned to fiber during manufacturing — no realignment needed on lamp replacement
- Cold Mirror Dichroic Coating: Transmits IR heat rearward, protecting fiber bundles and downstream optics from thermal damage
- 5200K Daylight Output: High color temperature delivers bright, neutral white light ideal for illumination and optical inspection systems
- Long 6,000-Hour Life: Reduces maintenance intervals in demanding continuous-use environments
- 85 Lumens per Watt Efficacy: High efficiency lowers energy cost versus comparable incandescent or tungsten-halogen sources
- Standardized AMP Connector: 3-pin Mate-N-Lok plug simplifies installation and ensures secure, repeatable connection
- Compatible with Standard Ballasts: Operates on M90 magnetic or electronic equivalent — no proprietary ballast required
- Compact Design: 62mm diameter, 70mm length fits tight fixture envelopes in OEM fiber optic illuminators
- Made by Ushio: Manufactured to exacting optical-grade standards by Ushio America, Inc., Cypress, CA
Compatible Equipment & Applications
The Ushio MHR-100D is designed for use in fiber optic and light pipe illuminator systems with fiber bundle diameters greater than 8mm at the input. It is used across industrial, medical, scientific, and display lighting industries. Confirmed compatible equipment and application categories include:
Fiber Optic Illuminator Systems
- Fiber optic lighting systems with Ø13mm or Ø10mm fiber bundle input
- Light pipe and side-emitting fiber assemblies
- Fiber optic decorative and architectural lighting engines
Industrial & Scientific Instruments
- Machine vision and optical inspection illuminators
- Microscopy cold-light fiber sources requiring daylight-balanced output
- Spectroscopy and colorimetry light sources
- UV/Visible optical system front-end illuminators
Medical & Dental
- Endoscopic and surgical fiber light guides (cold-light sources)
- Dental curing and examination illuminators using fiber delivery
- Dermatology and phototherapy delivery systems
Stage, Studio & Display
- Specialty display lighting using fiber optic star-field or accent systems
- Museum and gallery fiber optic spotlighting (UV/IR-free delivery)
- Theme park and entertainment fiber optic feature lighting
Optimal Focal Distance
Use the following formula to calculate the ideal working distance between the lamp and the fiber input for the MHR-100D (100W):
Fd (mm) = 52mm − (D × 0.77)
Where Fd = optimal distance between fiber and lamp reflector, and D = diameter of the fiber bundle in mm.
| Fiber Aperture | Working Distance | Luminous Flux |
|---|---|---|
| Ø13mm | 42mm from reflector | 1,600 lm* |
| Ø10mm | 44mm from reflector | 4.50 lm** |
*Optical sphere measurement **Through fiber bundle measurement
Cross-Reference & Compatible Replacement Lamps
The Ushio MHR-100D (5000789) is an industry-standard 100W fiber optic metal halide reflector lamp. The following part numbers are confirmed equivalents sharing the same 100W, 95V, AMP 3-pin, cold-mirror ellipsoidal reflector specification:
| Manufacturer | Part Number(s) | Notes |
|---|---|---|
| Ushio | 5000789 / MHR-100D / MHR-100D/L | This product – primary reference |
| BLV (Germany) | MHR 100D / MHR 100 D 3PIN | Direct European equivalent; factory-aligned reflector |
| Rexel / Distribution | Rexel #556896 | Distribution catalog cross-reference (obsolete) |
| iQLighting | MHR-100D/L (M91, AMP3) | Listed as 100W M91 95V AMP3; verify ballast type |
| Industry Generic | MHR-100D, JCR-MHR100, MHR100D | Common search codes; confirm AMP connector pin count |
Required Ballast Cross-Reference (M90/E)
| Ballast Type | ANSI Code | Notes |
|---|---|---|
| Magnetic – Standard | M90 | Primary ballast type; use with integrated thermoswitch |
| Electronic Equivalent | M90/E | Must operate below 400Hz to prevent lamp damage |
Buying Guide: Choosing the Right Fiber Optic Metal Halide Lamp
About the Ushio MHR Series
The Ushio MHR-100D (5000789) is part of the MHR Metal Halide Reflector series — lamps engineered exclusively for fiber optic and light pipe delivery systems. Unlike general-purpose metal halide lamps adapted for optical use, the MHR series is designed from the ground up with a factory-aligned ellipsoidal cold-mirror dichroic reflector, standardized AMP connector, and optimized 6.5mm arc gap to maximize luminous flux coupling into fiber bundles. With 85 lumens per watt efficacy, 5200K daylight output, and a 6,000-hour rated life, it is the economical, high-performance choice for OEM fiber optic illuminator systems, scientific instruments, and specialty lighting applications requiring reliable, cool-beam light delivery.
California Proposition 65 Warning: This product can expose you to Mercury, which is known to the State of California to cause cancer, birth defects, and other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
