The Extech 380400 Resistance Decade Box is used for product design testing and calibration which can be substituted into a circuit and function in the place of any component with a standard value. Alternatively, it can be used to identify the best value for circuit operation then read that value from the switches. A resistor of the size indicated by the decade box switches can then be put into the circuit.
- Durable construction
- Case may be grounded separately
- 3 binding posts permit isolated substitutions
- 1% Resistance substitution from 1 to 11,111,110Ω
- Seven decade ranges of resistance
- Values can be set in 1Ω increments
Product Codes | |
|---|---|
| Mfr Part No: | 380400 |
| ECCN: | EAR99 |
| SCHEDULE B CODE: | 9030.31.0000 |
Weight: 0.69 lbDimensions: 5.79 x 4.61 x 1.3 in.Resistance ranges: 1 to 11,111,110Ω in 1Ω stepsInternal resistance: 0.3ΩPower: 0.3W resistorsConnection: 3 binding postsAccuracy: 1%Operating temperature: 32ºF to 122ºF (0º to 50ºC)
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: 380400
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
