Electrical & Physical Specifications:

H-Height:	3.30mm (.130")
L-Length:	9.14mm (.360")
W-Width:	3.18mm (.125")
Lead dimensions:	.02" x 1" long min

HVA Series Engineering Attributes:

RESISTANCE & TOLERANCES

You can select any Ohmic value or decimal part of an Ohm with tolerances to ±.005%. 10Ω minimum resistance for ±.01% tolerance. See figure #2 shown below.

TCR CHARACTERISTIC

Standard:

100Ω & higher values: 0±5 ppm/°C.

For values below 100Ω: 0±15ppm/°C.

Special:

100Ω & higher: 0±1 ppm/°C. matching to 0±.5 ppm/°C.

Please specify temperature span of operation. The TCR is calculated between +25°C. & +100°C.

POWER VS. AMBIENT TEMPERATURE

All Ultra Precision Resistors are designed for full load based upon ±1% resistance tolerance providing the ambient temperature (+) plus the rise in temperature due to self-heating, does not exceed +125°C. Derated to zero power @ +145°C., See figure #1 shown below.

STABILITY: To ±.001%/yr. @ +25°C. with no Load.
REDUCTION OF THERMAL EMF USING COPPER TERMINALS:: Less than ±3 microvolts/°C. emitted.
INDUCTANCE: Standard parts in this series are inductively wound. Non-inductive balanced reverse pi windings are available, simply add suffix letter "N" to the part # when placing your order.
PROTECTIVE SEAL: Features a stress free base coat as well as an epoxy casing that is resistant to solder heat & solvents.
MARKING: PRC stamp, part type & name, Ω value & tolerance, physical size permitting.

Type HVA Derating Table*

For ± 1% resistance tolerance apply up to 100% of rated power to +125 Degrees Celsius, derated to zero power @ +145 Degrees Celsius.

For ± ½% (0.5%) resistance tolerance apply up to 75% of rated power to +125 Degrees Celsius, derated to zero power @ +140 Degrees Celsius.

For ± ¼% (0.25%) resistance tolerance apply up to 50% of rated power to +125 Degrees Celsius, derated to zero power @ +135 Degrees Celsius.

For ± 1/10% (0.1%) resistance tolerance apply up to 50% of rated power to +125 Degrees Celsius, derated to zero power @ +135 Degrees Celsius.

For ± 1/20% (0.05%) resistance tolerance apply up to 35% of rated power to +125 Degrees Celsius, derated to zero power @ +132 Degrees Celsius.

* Percent of Rated Power vs. Combined Temp. of Self-Heating and Ambient (in °C.).

CAN'T FIND THE PART TO MATCH YOUR SPECS?

Then let PRC custom manufacture your wire wound resistor, sensor, or shunt with some of the shortest lead times in the industry. Engineering samples can be supplied at no cost to you in 7-10 days for most jobs. Computer tracking charts are available for reference with certain part types. If you need a specific marking on your part(s) we will custom print your order with the marking you desire & at no additional cost to you. If needed, you can interchange the size, shape, lead dimension, wattage, voltage, current, Ω value, tolerance, & TCR characteristics with most part types. Visit our Ultra-Precision HVA Series & see if one of our other parts from the same series will satisfy all your requirements. If you still do not find a part that meets the exact specifications your application requires, simply follow the link Contact/Request For Quote & fill in all known spec fields. One of our highly trained engineers will review your objectives and see if we can modify one of our standard parts to satisfy all your requirements. If you are unsure how to accurately complete this form, give us a call & someone from our sales department will be more than happy to assist you.

ORDERING PROCEDURE

Our sales department is available to provide price, delivery, lead time & all other pertinent ordering instructions to companies within the U.S.A. If you wish to place an order in the United States, simply give us a call & ask for the Sales Department, our contact information is at the very top of every page. For companies outside the U.S.A., we have sales representatives in over 30 different countries to assist you. Click the link International Sales Representative Map to locate the sales representative nearest to your region & view their contact information. Our international sales representatives are readily available & eager to answer all inquiries regarding pricing, lead time, & ordering instructions as well as any other questions you may have. Our site also features a Virtual Store stocked with many popular sizes from our HR axial lead series and our world renown LVS3 surface mounted shunt. Our unique PRC100 series that tracks like platinum at a fraction of the cost can also be found inside. In addition to these items there are several different designs from our most sought after part types in our premium wire wound product line inside, all waiting to be shipped today to meet your critical deadlines. Small quantities up to twenty-five pieces of each product type with selected Ohmic values & tolerances available. Once inside the virtual store you can instantly purchase parts using your Visa or MasterCard & choose from 4 levels of shipping services, including next day delivery, all delivered by UPS. Feel free to browse through our store anytime day or night & check out what's in stock from the comfort & privacy of your own computer. The store is open 24 hours a day for your convenience.

Detailed Images

Derating Information

Minimum Resistance vs. Tolerance

Details


SKU	HVA1
Type	Rect. Axial
Length	9.14mm (.360")
Width	3.18mm (.125")
Lead Dimensions	.02" x 1" long min
Height	3.30mm (.130")
TCR Char.	0±5ppm (Std.) ... to 0±1ppm /°C.
Temperature	-65°C. to +125°C.
Resistance	.1Ω to 75KΩ
Tolerance	±.01% (std.) ... from ±1% to ±.005%
Stability	to ±.001% per year
Max Watts	.2
Max Volts	100
Lead Free	Yes

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