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Heller

1500EXL

Thermal / DiffusionHeller 1500EXL family
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The Heller 1500EXL is a forced convection reflow oven in the EXL Series. The 1500EXL provides five heating zones, one internal cooling zone, and five thermocouple profiling. The 1500EXL supports line speeds up to 28 inches (70 cm) per minute.[1][2]

Heller1500EXL
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What it is

The Heller 1500EXL is a forced convection reflow oven in Heller’s EXL Series.[3][4][2]

The Heller 1500EXL is a thermal processing tool used for reflow soldering.[3]

How it works

The Heller 1500EXL has five heating zones, one internal cooling zone, and five thermocouple profiling.[3][4]

Where it fits in the process flow

General reference — not yet source-verified

The Heller 1500EXL sits in the reflow soldering step after solder paste printing and component placement.

The Heller 1500EXL is used to complete solder joints on assembled printed circuit boards before later inspection or downstream handling.

Applications

The Heller 1500EXL is used for reflow soldering in electronic assembly.[3]

  • Reflow soldering

What do the numbers mean?

Configuration & options6

Series
EXL Series[1]
Accurate?
Heating zones
Five heating zones[1]
Accurate?
Cooling zones
One internal cooling zone[1]
Accurate?
Profiling
Five thermocouple profiling[1]
Accurate?
Line speed
Up to 28 inches (70 cm) per minute[1]
Accurate?
Airflow improvement
25% higher airflow compared to previous designs[2]
Accurate?

Vintage & configurations

Documented models & variants

DesignationGenerationVintageChangesSource
1700EXL——Six heating zones, one internal cooling zone, five thermocouple profiling, and line speeds up to 32 inches (80 cm) per minute.web.archive.org[1]
1800EXL——Eight heating zones, two internal cooling zones, five thermocouple profiling, and line speeds up to 40 inches (one meter) per minute.web.archive.org[1]
1900EXL——Twelve heating zones, two internal cooling zones, five thermocouple profiling, and line speeds up to 63 inches (1.6 meter) per minute.web.archive.org[1]
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Where are the manuals?

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Not publicly documented

Field notes

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Frequently asked questions

How many heating zones does the Heller 1500EXL have?

The Heller 1500EXL has five heating zones.[3][4]

How many cooling zones does the Heller 1500EXL have?

The Heller 1500EXL has one internal cooling zone.[3][4]

What process is the Heller 1500EXL used for?

The Heller 1500EXL is used for reflow soldering.[3]

Not publicly documented

The following facts about the 1500EXL are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 1500EXL are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • The control-system platform and OS era of the 1500EXL are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the 1500EXL are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the 1500EXL is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the 1500EXL are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (4)Every fact above is drawn from these public sources
  1. [1]web.archive.org — web.archive.orgweb.archive.org
  2. [2]semiconductoronline.com — semiconductoronline.comsemiconductoronline.com
  3. [3]1500EXL — Heller | Specs, Sourcing & Service | Waferpedia — waferpedia.comwaferpedia.com
  4. [4]Heller 1500EXL family | Waferpedia — waferpedia.comwaferpedia.com
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Last updated Oct 5, 2026.

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