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Equivalent & Substitute Parts Reference: Hammond Manufacturing 850L
Part Overview
The Hammond Manufacturing 850L is an audio transformer designed for chassis mount applications, featuring specific primary and secondary impedance values suitable for broadcast quality signal transfer within the 20Hz ~ 20kHz frequency range. The part status is listed as Obsolete, indicating discontinued production and limited future availability. Because project requirements may necessitate continued production design or ongoing maintenance, it is necessary to identify alternative models with matching electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Impedance - Primary (Ohms) | 20k, 5k/5k |
| Impedance - Secondary (Ohms) | 600, 150/150 |
| DC Resistance (DCR) - Primary | 2.24kOhm |
| DC Resistance (DCR) - Secondary | 69Ohm |
| Frequency Range | 20Hz ~ 20kHz |
| Insertion Loss | 1dB |
| Power Level | 15dB |
| Mounting Type | Chassis Mount |
| Size / Dimension | 1.700" L x 1.200" W (43.18mm x 30.48mm) |
| Height - Seated (Max) | 1.650" (41.91mm) |
| Termination Style | Solder Lug |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the Hammond Manufacturing 850L is based strictly on the following key parameters: impedance (primary and secondary), DC resistance values, frequency range, insertion loss, power level, mounting type, overall mechanical size, compliance certifications, and termination style. The substitute Hammond Manufacturing 850LA matches these parameters and thus is grouped as a strict electrical and mechanical equivalent within the audio transformer product category.
Parameter Comparison
| Parameter | 850L | 850LA |
|---|---|---|
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing |
| Impedance - Primary (Ohms) | 20k, 5k/5k | 20k, 5k/5k |
| Impedance - Secondary (Ohms) | 600, 150/150 | 600, 150/150 |
| DC Resistance (DCR) - Primary | 2.24kOhm | 2.24kOhm |
| DC Resistance (DCR) - Secondary | 69Ohm | 69Ohm |
| Frequency Range | 20Hz ~ 20kHz | 20Hz ~ 20kHz |
| Insertion Loss | 1dB | 1dB |
| Power Level | 15dB | 15dB |
| Mounting Type | Chassis Mount | Chassis Mount |
| Size / Dimension | 1.700" L x 1.200" W (43.18mm x 30.48mm) | 1.700" L x 1.200" W (43.18mm x 30.48mm) |
| Height - Seated (Max) | 1.650" (41.91mm) | 1.650" (41.90mm) |
| Termination Style | Solder Lug | Wire Leads |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The Hammond Manufacturing 850LA is currently listed as Active, while the Hammond Manufacturing 850L is Obsolete. Both parts meet ROHS3 compliance and are REACH unaffected, which are necessary for regulatory conformity in most technical applications. The substitute part matches all provided key electrical and mechanical parameters. Termination style differs—Solder Lug (850L) versus Wire Leads (850LA)—and should be considered in system assembly design based only on available documented mounting and connection specifications.
Frequently Asked Questions (FAQ)
Q1: What are the primary criteria for substituting Hammond Manufacturing 850L with another transformer? A1: Substitution is based strictly on matching impedance (primary and secondary), DC resistance, frequency range, insertion loss, power level, mounting type, dimensions, termination style, and compliance certifications.
Q2: Are there any notable differences between the Hammond Manufacturing 850L and the substitute Hammond Manufacturing 850LA? A2: The provided parameters show that termination style differs: 850L uses Solder Lug, whereas 850LA uses Wire Leads. All other key specifications are equivalent.
Q3: Is the Hammond Manufacturing 850LA certified to the same compliance standards as the 850L? A3: Both parts are ROHS3 compliant and REACH unaffected as specified.
Q4: Can chassis mounting and transformer function be retained when substituting the 850L with 850LA? A4: According to the provided parameters, both parts support chassis mounting and have matching electrical characteristics.
Q5: Is the substitute part currently available? A5: The substitute part Hammond Manufacturing 850LA is listed as Active in inventory, supporting ongoing production use.
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