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Home Products Resistors Through Hole Resistors~~HVR3700001073FR500~~

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HVR3700001073FR500 - Vishay Beyschlag/Draloric/BC Components

Manufacturer Part Number: HVR3700001073FR500

Manufacturer: Draloric/Vishay

Allelco Part Number: 98D-HVR3700001073FR500

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 35,472 pcs available, New & Original

Parts Description: RES 107K OHM 1/2W 1% AXIAL

Package: Axial

Data sheet: HVR3700001073FR.pdf

Datasheets
HVR25,37 Series Datasheet.pdf

HTML Datasheet
HVR25,37 Series Datasheet.pdf

RoHs Status: ROHS3 Compliant

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Specifications

HVR3700001073FR500 Tech Specifications
Vishay Beyschlag/Draloric/BC Components - HVR3700001073FR500 technical specifications, attributes, parameters and parts with similar specifications to Vishay Beyschlag/Draloric/BC Components - HVR3700001073FR500

Product Attribute	Attribute Value
Manufacturer	Draloric/Vishay
Tolerance	±1%
Temperature Coefficient	±200ppm/°C
Supplier Device Package	Axial
Size / Dimension	0.157" Dia x 0.394" L (4.00mm x 10.00mm)
Series	HVR37
Resistance	107 kOhms
Power (Watts)	0.5W, 1/2W

Product Attribute	Attribute Value
Package / Case	Axial
Package	Tape & Reel (TR)
Operating Temperature	-55°C ~ 155°C
Number of Terminations	2
Height - Seated (Max)	-
Features	Flame Retardant Coating, High Voltage, Pulse Withstanding, Safety
Failure Rate	-
Composition	Metal Film

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	Not Applicable
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8533.21.0090

Frequently Asked Questions(FAQ)

What makes the HVR3700001073FR500 suitable for high-voltage circuit applications compared to standard metal film resistors?: The HVR3700001073FR500 is engineered specifically for high-voltage environments with pulse-withstanding capability and flame-retardant coating—features absent in general-purpose metal film resistors. The 107 kOhm resistance value combined with 0.5W power rating allows designers to dissipate transient energy spikes in voltage dividers, bleeder networks, and EMI filter stages without thermal degradation. Standard axial resistors lack the safety-grade construction required for circuits where voltage stress and repetitive pulse events occur simultaneously, making the HVR3700001073FR500 the correct choice for power supply feedback networks and high-voltage monitoring circuits operating above 250V.

How does the ±1% tolerance of the HVR3700001073FR500 affect precision voltage divider design in analog measurement circuits?: A ±1% tolerance on the 107 kOhm HVR3700001073FR500 limits voltage divider error to approximately ±1% when paired with similarly-toleranced resistors, translating to ±10mV error on a 1000V input. This tolerance is sufficient for non-ratiometric designs where absolute accuracy matters, such as precision analog-to-digital converter front-ends and feedback sensing in switch-mode power supplies. However, applications demanding better than 0.5% accuracy—such as precision instrumentation and medical device sensor interfaces—require tighter-tolerance metal film resistors (typically 0.1% grade). The HVR3700001073FR500's ±1% tolerance represents a practical balance between cost and repeatability for most industrial high-voltage applications.

Why is the ±200ppm/°C temperature coefficient of the HVR3700001073FR500 a relevant specification for circuits operating across a -55°C to 155°C range?: The ±200ppm/°C temperature coefficient of the HVR3700001073FR500 means the 107 kOhm resistance will shift by approximately ±2.14 kOhm across the full -55°C to 155°C operating window (210°C span). In voltage divider applications, this translates to approximately ±1% resistance drift, which compounds with tolerance stack-up in feedback networks. For circuits requiring stable gain or voltage reference levels across temperature extremes—such as industrial power converters and outdoor telecommunications equipment—designers must account for this drift in buffer stages or use temperature-compensation networks. The HVR3700001073FR500's metal film construction provides superior temperature stability compared to carbon film alternatives, making it preferable for military and aerospace applications where thermal cycling is severe.

How does the 0.5W power rating of the HVR3700001073FR500 compare to using a lower-wattage resistor in a 107 kOhm voltage divider application?: The 0.5W rating of the HVR3700001073FR500 allows for approximately 7.3mA continuous current before reaching thermal limits (P = I²R yields I = √(0.5/107000) ≈ 2.2mA at rated power). In a 1000V divider network using two equal 107 kOhm resistors, the divider current would be approximately 4.7mA, requiring the HVR3700001073FR500 to dissipate 0.5W in steady-state operation. A lower-wattage 1/4W resistor would dissipate only 0.25W at the same current, causing excessive heating and shortening component life. The 0.5W specification of the HVR3700001073FR500 provides a safety margin for pulse transients and thermal cycling, whereas undersized resistors create reliability risks in high-voltage bleeder and bias networks where current is continuous.

What is the significance of flame-retardant coating on the HVR3700001073FR500 in safety-critical applications?: Flame-retardant coating on the HVR3700001073FR500 meets safety standards (IEC 60115-1, UL 94) by preventing propagation of electrical arcing and combustion if the resistor experiences overstress or component failure in confined spaces. In densely populated circuit boards within industrial or medical equipment, an uncoated resistor failure can initiate localized fires or propagate thermal damage to adjacent components. The HVR3700001073FR500's coating ensures that if the 107 kOhm element fails under voltage transients, the failure is self-limiting and non-propagating. This feature is mandatory for UL-listed power supplies, Class II medical devices, and equipment operating in hazardous environments. Standard non-coated metal film resistors lack this safety qualification, making them unsuitable for regulated equipment.

How should the HVR3700001073FR500 be applied in high-frequency circuit filtering where pulse transients are present?: The HVR3700001073FR500's pulse-withstanding characteristic indicates it can survive brief high-current events that would degrade standard resistors. In EMI filter networks at switching power supply inputs, the 107 kOhm value experiences repetitive voltage spikes when rectifier diodes switch. The HVR3700001073FR500's metal film construction and safety-rated design allow it to absorb these transient stresses without permanent resistance shift. Designers can use the HVR3700001073FR500 in series with high-voltage filter capacitors without requiring protective shielding or derating, whereas unrated metal film resistors demand deration curves and shorter design life assumptions. For 100kHz to 1MHz switching frequencies with peak transient voltages exceeding 500V, the HVR3700001073FR500 eliminates reliability uncertainty compared to commodity resistors.

What are the implications of the HVR3700001073FR500's axial lead format for PCB layout in high-voltage designs?: The axial lead configuration of the HVR3700001073FR500 (0.157" diameter, 0.394" length) creates specific creepage and clearance challenges in high-voltage layouts. Axial components require greater minimum spacing between leads and adjacent conductors compared to surface-mount alternatives; IEC 60950 and IEC 61010 standards typically mandate 5-8mm clearance for 1000V circuits, limiting board density. The HVR3700001073FR500's through-hole lead structure also complicates automated assembly, requiring slower insertion equipment compared to surface-mount resistors. However, the axial format provides mechanical robustness in vibration-prone environments and better thermal dissipation through lead contact, making the HVR3700001073FR500 preferable for military and aerospace applications despite layout constraints.

How does the HVR3700001073FR500 perform in decade-long reliability projections for unattended outdoor equipment?: The HVR3700001073FR500's metal film composition, ±1% tolerance stability, and flame-retardant coating support long-term field deployment without component replacement. Metal film resistors typically exhibit <0.5% total resistance drift over 10 years under normal operating conditions, whereas carbon film alternatives show 1-3% drift in outdoor temperature cycling. The HVR3700001073FR500's ±200ppm/°C temperature coefficient compounds predictably over seasonal thermal cycles, allowing engineers to model long-term behavior accurately. Combined with the 107 kOhm value's low current requirements (reducing self-heating drift), the HVR3700001073FR500 is suitable for unattended remote power supplies, telecommunications nodes, and renewable energy systems where component replacement is costly. Standard commodity resistors lack this historical performance data, creating warranty and support risks.

Should the HVR3700001073FR500 be paralleled with additional resistors to reduce power dissipation in high-current divider networks?: Paralleling multiple HVR3700001073FR500 units reduces total power dissipation proportionally but introduces tolerance and temperature coefficient complications. Two parallel HVR3700001073FR500 resistors yield approximately 53.5 kOhm (not 53.5 ± 1%, but typically ±1.4% due to tolerance stack-up and mismatch between parts). If thermal matching between parallel elements is poor—likely in through-hole soldering—current redistribution creates uneven heating and accelerated aging in the lower-resistance path. For applications requiring sustained high current in a 107 kOhm divider network, a single higher-wattage resistor (1W or 2W grade) is preferable to the HVR3700001073FR500. Paralleling is acceptable only when transient pulses dominate and steady-state current is low, such as in energy-harvesting circuits.

What certifications and compliance documents should be verified before specifying the HVR3700001073FR500 in regulated medical or industrial equipment?: The HVR3700001073FR500 is RoHS3-compliant and REACH-unaffected, meeting EU environmental restrictions. However, medical device and industrial safety compliance requires additional verification: UL 94 flame rating for the coating material, IEC 60115-1 safety-grade resistor certification, and voltage withstand testing per MIL-PRF-26 (if military applications are intended). Distributors typically provide resistance-stability certionaries but seldom publish flammability or voltage-pulse test reports. Designers must request detailed safety documentation from Vishay for the HVR3700001073FR500 before integrating into UL-listed power supplies or FDA-regulated devices. Generic RoHS/REACH status is insufficient; the flame-retardant and pulse-withstanding claims require factory test records.

Can the HVR3700001073FR500 safely replace a failed standard metal film resistor in an existing high-voltage power supply design?: Direct substitution of the HVR3700001073FR500 for a standard 107 kOhm metal film resistor is electrically valid but not mechanically or thermally equivalent. The HVR3700001073FR500's flame-retardant coating and pulse-withstanding structure typically result in slightly higher dielectric losses (microscopically increased heating under AC), which may alter the thermal profile of the original design if multiple resistors are replaced simultaneously. If the original design operated near thermal limits with standard resistors, substituting all 107 kOhm positions with HVR3700001073FR500 units is safe—reliability actually improves. However, selective replacement of only failed 107 kOhm positions with HVR3700001073FR500 units creates inconsistency in component aging and temperature performance across the circuit. For long-term field reliability, either replace all identical 107 kOhm resistors simultaneously or confirm that the design can tolerate the presence of mixed resistor grades.

How does cost-per-unit of the HVR3700001073FR500 justify its use in high-volume consumer electronics versus industrial applications?: The HVR3700001073FR500's safety-grade construction (flame retardant, pulse withstanding, metal film) typically costs 3-5× more than commodity 1% metal film resistors in the same 107 kOhm value. This premium is justified in industrial and medical designs where field failure creates safety liability or downtime costs exceeding component savings. For consumer products with high-volume production, the per-unit cost difference becomes significant; a smart meter or inverter design using 50 HVR3700001073FR500 units incurs an additional $15-25 material cost per unit. Manufacturers typically downgrade to standard metal film resistors for consumer products, accepting lower long-term reliability in exchange for bill-of-materials reduction. The HVR3700001073FR500 is therefore strategically applied to high-reliability segments (industrial drives, renewable inverters, telecom infrastructure) rather than cost-sensitive consumer markets where failure rates are tolerated as warranty replacements.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Beyschlag/Draloric/BC Components HVR3700001073FR500

Product Attribute
Part Number	HVR3700001053FR500	HVR3700001074FR500	HVR3700001103FR500	HVR3700001023FR500
Manufacturer	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components
Series	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Height - Seated (Max)	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Tolerance	-	-	-	-
Number of Terminations	-	-	-	-
Resistance	-	-	-	-
Temperature Coefficient	-	-	-	-
Failure Rate	-	-	-	-
Composition	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Power (Watts)	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Size / Dimension	-	-	-	-

HVR3700001073FR500 Datasheet PDF

Download HVR3700001073FR500 pdf datasheets and Vishay Beyschlag/Draloric/BC Components documentation for HVR3700001073FR500 - Vishay Beyschlag/Draloric/BC Components.

Datasheets: HVR25,37 Series Datasheet.pdf
HTML Datasheet: HVR25,37 Series Datasheet.pdf

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