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HomeProductsResistorsThrough Hole ResistorsHVR3700001103FR500
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HVR3700001103FR500 - Vishay Beyschlag/Draloric/BC Components

Manufacturer Part Number
HVR3700001103FR500
Manufacturer
Draloric/Vishay
Allelco Part Number
98D-HVR3700001103FR500
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
101,449 pcs available, New & Original
Parts Description
RES 110K OHM 1/2W 1% AXIAL
Package
Axial
Data sheet
HVR3700001103FR.pdf
RoHs Status
ROHS3 Compliant
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Specifications

HVR3700001103FR500 Tech Specifications
Vishay Beyschlag/Draloric/BC Components - HVR3700001103FR500 technical specifications, attributes, parameters and parts with similar specifications to Vishay Beyschlag/Draloric/BC Components - HVR3700001103FR500

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 110 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 HVR3700001103FR500 suitable for high-voltage applications compared to standard metal film resistors?
The HVR3700001103FR500 is engineered specifically for high-voltage environments with pulse-withstanding capability and flame retardant coating. Unlike commodity metal film resistors, this Vishay Beyschlag design incorporates safety-rated construction that tolerates transient voltage spikes and sustained overvoltage conditions. The 110 kOhm, 0.5W rating combined with the HVR37 series' high-voltage qualification means it can be deployed in circuits experiencing voltage transients that would degrade or fail standard resistors. This makes the HVR3700001103FR500 particularly valuable in power conditioning, switching power supplies, and industrial control circuits where voltage stress is routine rather than exceptional.
How does the ±1% tolerance of the HVR3700001103FR500 affect circuit stability in precision voltage dividers?
The ±1% tolerance specification of the HVR3700001103FR500 places it in the precision category for through-hole applications. In voltage divider networks, this tolerance directly impacts the accuracy of analog measurements and reference voltages. For example, in a divider using two HVR3700001103FR500 resistors in series to establish a reference point, the combined tolerance uncertainty is approximately ±1.4% (root sum squared), which is sufficient for most industrial analog circuits but marginal for 12-bit or higher resolution analog-to-digital conversion. The metal film construction of the HVR3700001103FR500 also ensures low noise compared to carbon film alternatives, stabilizing measurements over temperature swings from -55°C to 155°C.
Why is the flame retardant coating on the HVR3700001103FR500 critical for aerospace and automotive qualification?
Flame retardant coating on the HVR3700001103FR500 is not a cosmetic feature but a safety requirement for circuit boards used in confined, pressurized, or high-temperature environments. In aerospace applications, the HVR3700001103FR500's coating prevents the resistor element from igniting during localized thermal events or electrical faults, reducing the risk of propagating board-level fires. Automotive underhood applications similarly demand this protection because the HVR3700001103FR500 may experience sustained elevated temperatures near engine compartments or be exposed to fault currents from damaged harnesses. The coating composition is validated against specific flammability standards (UL 94 compliance implied by the safety designation), making the HVR3700001103FR500 a direct replacement for qualified part numbers rather than an interchangeable generic equivalent.
How does the temperature coefficient of ±200ppm/°C on the HVR3700001103FR500 compare to thin-film SMD resistors, and when does this matter for design?
The ±200ppm/°C temperature coefficient of the HVR3700001103FR500 is typical for metal film through-hole resistors but significantly higher than thin-film surface-mount resistors, which often achieve ±25ppm/°C or better. Over the full operating range of -55°C to 155°C (a 210°C span), the HVR3700001103FR500 resistance can drift by approximately ±2.1% due to temperature effects alone. This drift becomes significant in precision sensor signal conditioning where the 110 kOhm value establishes gain or filtering; a 2% shift directly translates to 2% measurement error. However, for applications where the HVR3700001103FR500 operates in climate-controlled environments or where the circuit is designed with wider tolerance margins (such as threshold detection circuits), the temperature coefficient remains acceptable. In such designs, the HVR3700001103FR500's robust high-voltage performance outweighs the need to migrate to costlier SMD alternatives.
What is the practical pulse-withstanding capability of the HVR3700001103FR500, and how does it protect against inductive switching transients?
Pulse withstanding on the HVR3700001103FR500 refers to its ability to survive repetitive or single-instance voltage spikes above its nominal rating without thermal runaway or catastrophic failure. While the 0.5W steady-state rating limits continuous dissipation, the HVR3700001103FR500 can briefly tolerate significantly higher power during transients because the thermal mass of the axial body absorbs and radiates energy before reaching destructive junction temperatures. In switching circuits, inductive load kickback commonly generates voltage spikes that momentarily exceed supply rails; the HVR3700001103FR500 in series with the switching node acts as both a current limiter and a transient energy sink. The metal film element and flame retardant coating work together to prevent vaporization of the resistive layer, a failure mode common in standard resistors exposed to similar stress. This makes the HVR3700001103FR500 far more reliable than a generic 110 kOhm resistor in circuits using relays, solenoids, or inductive motors.
How does the axial package of the HVR3700001103FR500 affect board layout and thermal management compared to radial alternatives?
The axial package of the HVR3700001103FR500 (0.157" diameter × 0.394" length, 4.00mm × 10.00mm) presents both layout and thermal trade-offs. Axial leads allow insertion through elongated holes on vintage or high-reliability boards, and the extended body provides better mechanical support in high-vibration environments like automotive or industrial machinery. However, the axial configuration of the HVR3700001103FR500 creates a longer heat dissipation path compared to radial resistors; the resistive element sits at the center of the body, with heat conducted through the leads to the board. In high-density layouts, the HVR3700001103FR500's 10mm length occupies more linear board space than a radial equivalent, potentially conflicting with other components. For thermal management, the HVR3700001103FR500 benefits from keeping leads away from the board surface (spacing of 0.1–0.2 inches if possible) to maximize convective cooling. This makes the HVR3700001103FR500 less suitable for space-constrained SMD-heavy designs but superior for legacy through-hole boards or applications requiring maximum lead strength.
When should you parallel multiple HVR3700001103FR500 resistors instead of selecting a higher-wattage resistor?
Paralleling HVR3700001103FR500 resistors is justified when discrete 1W or 2W resistors are unavailable, supply-chain risks are unacceptable, or circuit redundancy is required. Two HVR3700001103FR500 units in parallel yield approximately 55 kOhms at 1W total dissipation, while maintaining the same ±1% tolerance and high-voltage benefits. However, paralleling introduces tolerance interaction: two ±1% HVR3700001103FR500 resistors in parallel can produce a combined tolerance of approximately ±1.4% (root sum squared), slightly worse than selecting a single resistor. More critically, the HVR3700001103FR500 exhibits slight resistance drift with temperature, so parallel pairs may develop current-sharing imbalances if thermal coupling is poor. For production designs, paralleling HVR3700001103FR500 resistors is generally avoided unless a higher-wattage Vishay Beyschlag equivalent is truly obsolete or the redundancy aligns with system reliability requirements. In prototype or emergency rework, paralleling two HVR3700001103FR500 units is a valid workaround.
How does RoHS3 compliance of the HVR3700001103FR500 affect long-term supply availability and environmental qualification?
RoHS3 compliance of the HVR3700001103FR500 confirms that the resistor meets current EU Restriction of Hazardous Substances directives, eliminating lead, cadmium, and other regulated materials. This compliance status ensures the HVR3700001103FR500 can be legally procured for European markets and avoids the risk of sudden delisting due to regulatory changes. From a supply perspective, RoHS3-compliant parts like the HVR3700001103FR500 are manufactured using lead-free solder and conformal coating processes that have matured over two decades, resulting in stable, predictable supply chains. However, RoHS3 compliance does not automatically guarantee superior reliability; the HVR3700001103FR500's flame retardant coating and high-voltage qualification are independent of RoHS status. Designers targeting aerospace or medical applications should verify that the HVR3700001103FR500 also meets additional environmental certifications (such as MIL-spec equivalents) rather than assuming RoHS3 compliance alone satisfies those requirements.
What are the typical failure modes of the HVR3700001103FR500 under sustained overvoltage, and how can circuit design mitigate them?
Sustained overvoltage on the HVR3700001103FR500 causes progressive heating of the metal film element, leading to two distinct failure modes: resistive drift (gradual increase in resistance value as the film oxidizes) and open-circuit failure (complete evaporation of the resistive layer if thermal runaway occurs). The HVR3700001103FR500's pulse-withstanding rating protects against brief spikes, but continuous operation above the 0.5W power rating will eventually degrade performance. Circuit mitigation strategies include: (1) pairing the HVR3700001103FR500 with a series zener or transient voltage suppressor to clamp maximum voltage to a safe value; (2) derate the HVR3700001103FR500 to 50–70% of its nominal power in the worst-case thermal environment; (3) use parallel thermal paths (such as a large copper pour) to sink heat away from the HVR3700001103FR500's leads. In switching power supplies, the HVR3700001103FR500 is often placed in feedback networks where transient overvoltage is common; protective snubbers or RC filters upstream of the HVR3700001103FR500 reduce peak stress and extend component life.
How does the metal film composition of the HVR3700001103FR500 affect noise performance in low-level analog signal conditioning?
Metal film resistors like the HVR3700001103FR500 exhibit significantly lower noise (typically 10–20 µV/V) compared to carbon film or carbon composition alternatives, which can generate 100+ µV/V of noise. This difference arises because the HVR3700001103FR500 uses a thin metallic layer deposited on a ceramic substrate, creating a homogeneous current path with minimal current crowding or localized heating. In precision instrumentation—such as sensor preamplifiers or measurement bridges—the low noise of the HVR3700001103FR500 enables accurate acquisition of millivolt-level signals without adding significant broadband noise that would be amplified by subsequent gain stages. The noise performance of the HVR3700001103FR500 remains stable over its -55°C to 155°C operating range, unlike carbon film resistors where thermal noise increases substantially at elevated temperatures. For applications requiring sub-microvolt resolution or where the noise floor must stay below the quantization level of a 16-bit ADC, selecting the HVR3700001103FR500 over cheaper alternatives is a direct trade-off between cost and signal fidelity.
Can the HVR3700001103FR500 be used in high-frequency circuits, and what parasitic effects should be considered?
The HVR3700001103FR500 is fundamentally a low-frequency component due to its axial through-hole package and 4mm × 10mm physical size, which introduce significant lead inductance (typically 10–30 nH depending on lead geometry) and parasitic capacitance. At frequencies above 1 MHz, the inductive reactance of the HVR3700001103FR500's leads begins to dominate its behavior, causing the resistor to appear inductive rather than purely resistive. This inductance can create impedance resonances in high-frequency circuits, degrade filter performance, or couple unwanted RF energy into sensitive signal paths. For audio frequency applications (20 Hz to 20 kHz), the HVR3700001103FR500 performs reliably without frequency-dependent effects. For RF circuits or switching supplies operating in the megahertz range, SMD thin-film resistors with minimal lead length are preferable. The HVR3700001103FR500 may still be used at higher frequencies in non-critical positions (such as biasing networks) where tolerance of small impedance variations is acceptable, but avoiding the HVR3700001103FR500 in precision RF matching networks or high-Q filter circuits is recommended.
What lead bending and mechanical stress tolerances apply to the HVR3700001103FR500 during board assembly?
The axial leads of the HVR3700001103FR500 are composed of tin-plated copper wire bonded to the resistor body with mechanical and chemical adhesion. Bending the leads too close to the body (within 2–3mm) during insertion into through-hole boards creates stress concentration points that can crack the lead wire or separate the lead from the resistor element. During automatic axial insertion or hand-placement followed by wave soldering, the HVR3700001103FR500 experiences thermal cycling (room temperature to 260°C and back), which can induce mechanical fatigue if the lead solder joint is restrained. Best practices for HVR3700001103FR500 assembly include: (1) bending leads at least 3mm from the body, using a smooth radius rather than a sharp angle; (2) leaving 0.1–0.2 inches of lead clearance above the board to reduce thermal stress on the solder joint; (3) avoiding trimming of leads until after soldering is complete and cooled. Boards subjected to vibration or thermal cycling should use conformal coating or potting near the HVR3700001103FR500 to mechanically support the leads and dampen vibrational stress.
How does the HVR3700001103FR500 compare to modern surface-mount thick-film chip resistors for precision bias networks?
The HVR3700001103FR500 (metal film, ±1%, axial, through-hole) and modern surface-mount thick-film chip resistors (typically ±1–5%, 0603–1206 packages) differ significantly in precision, noise, and environmental robustness. The HVR3700001103FR500 offers superior noise performance (10–20 µV/V vs. 50–100 µV/V for thick-film), better temperature stability (±200ppm/°C vs. ±100–500ppm/°C), and established high-voltage qualification. However, thick-film chip resistors occupy a fraction of the PCB area, integrate more easily into compact SMD-dominant designs, and exhibit faster assembly using pick-and-place equipment. For legacy boards or applications requiring robust through-hole construction with proven reliability over decades, the HVR3700001103FR500 is the logical choice. For new designs with space constraints and moderate precision requirements (±5% acceptable), thick-film SMD resistors offer better integration. Hybrid approaches—using the HVR3700001103FR500 in precision analog signal paths and chip resistors in non-critical biasing—balance cost, reliability, and board density. The decision hinges on whether the design prioritizes environmental ruggedness and measurement accuracy (favoring HVR3700001103FR500) or compact integration and cost reduction (favoring SMD alternatives).

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Beyschlag/Draloric/BC Components HVR3700001103FR500

Product Attribute HVR3700001133FR500 HVR3700001103JR500 HVR3700001053FR500 HVR3700001073FR500
Part Number HVR3700001133FR500 HVR3700001103JR500 HVR3700001053FR500 HVR3700001073FR500
Manufacturer Vishay Beyschlag/Draloric/BC Components Vishay Beyschlag/Draloric/BC Components Vishay Beyschlag/Draloric/BC Components Vishay Beyschlag/Draloric/BC Components
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Temperature Coefficient - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Terminations - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Height - Seated (Max) - - - -
Failure Rate - - - -
Tolerance - - - -
Size / Dimension - - - -
Power (Watts) - - - -
Features - - - Simultaneous Sampling
Resistance - - - -
Composition - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

HVR3700001103FR500 Datasheet PDF

Download HVR3700001103FR500 pdf datasheets and Vishay Beyschlag/Draloric/BC Components documentation for HVR3700001103FR500 - Vishay Beyschlag/Draloric/BC Components.

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HVR3700001103FR500 Image

HVR3700001103FR500

Vishay Beyschlag/Draloric/BC Components
98D-HVR3700001103FR500

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