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In summary, the Wayne Kerr 1009 DC Bias Fixture is a component test fixture used with the 3260B Precision Magnetics Analyzer and one or two 3265B DC Bias Units. It enables DC bias currents of up to 50 A to be applied to surface-mount inductors during measurement, so that L, Z, R, Q, and D can be characterized at the device's operating current — not just at small signal.
The 1009 is used to characterize SMD inductors and other surface-mount magnetic components at the bias currents they actually carry in the end application. Power-supply designers use the 1009 to verify that an SMD choke holds its design inductance under load; SMD inductor manufacturers use it for incoming and outgoing quality test against published L vs. I curves.
Four front-panel BNC connectors carry the AC measurement signals from the 3260B analyzer; two captive high-current cables connect to the 3265B DC Bias Unit. When two 3265B/25A units are paralleled to reach the full 50 A current, the optional 1009 50 A lead set (5-328-2005) is required. Interchangeable component test carriers seat the SMD device in a defined, low-parasitic measurement geometry.
Factually, the 1009 enables up to 50 A DC bias on an SMD inductor during component test, applies that current via the captive cables from one or two 3265B DC Bias Units, and measures the device through the 3260B Precision Magnetics Analyzer at frequencies up to 3 MHz (when paired with the 3265BQ/25A). Enclosed fixturing with safety interlocks minimizes operator exposure to high currents.
Wayne Kerr is one of the primary precision-impedance brands used in component-engineering laboratories worldwide, recognized alongside Keysight and Hioki for inductor and transformer characterization. The 1009 fixture extends the 3260B/3265B platform into the SMD-inductor segment that dominates modern power converter design.
Typical use cases for the 1009 include:
The 1009 DC Bias Fixture is supplied with user documentation. Component test carriers and the optional 50 A lead set are ordered separately as listed below.
| Accessory Description | Order Code |
|---|---|
| Kelvin clip leads (fine jaws) | 1EVA40100 |
| Kelvin clip leads (large jaws) | 1EVA40180 |
| Power transfer bus bars | 4-324-6009-PAIR |
| Filter pad (washable) | HMDEC10 |
| 1009 DC bias fixture | 1J1009 |
| 1009 50A lead set | 5-328-2005 |
The 1009 is a passive test fixture used in conjunction with the 3260B Precision Magnetics Analyzer and one or two 3265B DC Bias Units. Specifications below are reproduced verbatim from the Wayne Kerr Technical Data Sheet.
| Function | SMD-inductor test fixture for component test with DC bias currents up to 50 A |
|---|---|
| Maximum DC Bias Current | 50 A (requires two 3265B/25A units paralleled with the optional 1009 50 A lead set, 5-328-2005) |
| Compatible Host Analyzer | 3260B Precision Magnetics Analyzer |
| Compatible DC Bias Units | One or two 3265B DC Bias Units (3265BQ/25A, 3265B/25A, 3265B/10A, or 3265B/5A) |
| Front-Panel Connections | Four BNC connectors (AC measurement path) plus two captive high-current cables to the 3265B |
| Component Mounting | Interchangeable component test carriers for a wide variety of SMD devices. Blank carriers available for device-specific designs; carrier design and manufacturing service available from Wayne Kerr. |
| Safety | Enclosed fixture with safety interlocks. Stable component fixturing for high accuracy and repeatable measurements. |
| Order Code | 1J1009 |
| Optional 50 A Lead Set | 5-328-2005 (required when two 3265B/25A units are used in parallel) |
This webpage was written by a human with an A.I. "Intern", which may contain errors. Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
1009
Condition
New
Manufacturer
Wayne Kerr
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
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