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HomeProductsResistorsThrough Hole ResistorsHVR3700001134FR500
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HVR3700001134FR500 - Vishay Beyschlag/Draloric/BC Components

Manufacturer Part Number
HVR3700001134FR500
Manufacturer
Draloric/Vishay
Allelco Part Number
98D-HVR3700001134FR500
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
2,082 pcs available, New & Original
Parts Description
RES 1.13M OHM 1/2W 1% AXIAL
Package
Axial
Data sheet
HVR3700001134FR.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 2082
  • Unit Price: $0.102
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.102 $0.10
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

HVR3700001134FR500 Tech Specifications
Vishay Beyschlag/Draloric/BC Components - HVR3700001134FR500 technical specifications, attributes, parameters and parts with similar specifications to Vishay Beyschlag/Draloric/BC Components - HVR3700001134FR500

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 1.13 MOhms
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 HVR3700001134FR500 suitable for high-voltage circuit applications compared to standard film resistors?
The HVR3700001134FR500 is specifically engineered for high-voltage environments with pulse-withstanding capability, distinguishing it from general-purpose film resistors. The 1.13 MOhm resistance value at 0.5W power rating creates a high impedance node where voltage stress concentrates, making pulse immunity critical. The metal film construction combined with flame retardant coating and safety-rated design allows the HVR3700001134FR500 to maintain stability during transient overvoltage events that would degrade standard resistors. This is particularly relevant in switching supplies, high-voltage multipliers, and instrumentation where voltage transients exceed steady-state ratings.
How does the ±200ppm/°C temperature coefficient of the HVR3700001134FR500 affect precision circuit stability across the full operating range?
The ±200ppm/°C specification means the HVR3700001134FR500 resistance can drift approximately ±2,260 ppm (0.226%) across the -55°C to 155°C operating span, or roughly ±25.5 kΩ from its nominal 1.13 MΩ value. In precision analog circuits—such as integrators, logarithmic amplifiers, or high-impedance sensors—this drift directly translates to gain and offset errors. For applications requiring better stability, networks of the HVR3700001134FR500 with compensating elements or active trimming may be necessary. However, in many high-voltage bias and pullup applications, this tempco is acceptable because the dominant error source is typically load variation rather than resistor drift.
Why is the 1% tolerance rating on the HVR3700001134FR500 significant when selecting resistors for voltage dividers in precision measurement circuits?
The ±1% tolerance of the HVR3700001134FR500 ensures the actual resistance remains between 1.1187 and 1.1413 MΩ, a critical specification in ratiometric designs. In a voltage divider using two HVR3700001134FR500 units in series, worst-case ratio error compounds to approximately ±1.4%, assuming both resistors sit at tolerance extremes in opposite directions. For analog-to-digital converter reference dividers or precision bias networks, this 1% tolerance provides sufficient accuracy without hand-selection or trimming. The metal film construction of the HVR3700001134FR500 also delivers this tolerance with minimal long-term drift, unlike carbon composition alternatives.
What is the practical difference between the HVR3700001134FR500 and a standard 1.13 MOhm metal film resistor when designing circuits exposed to electrical transients?
Standard metal film resistors handle steady-state voltage and thermal stress but lack pulse-withstanding certification. The HVR3700001134FR500 incorporates transient immunity designed into the substrate, electrode geometry, and flame retardant coating to survive fast-rising voltage spikes without parametric shifts or catastrophic failure. In switching power supplies, the HVR3700001134FR500 in feedback divider or gate drive networks can tolerate ringing and oscillations that would damage unrated components. The safety certification and pulse rating of the HVR3700001134FR500 reduce field failure risk in uncontrolled switching environments, though at higher cost than commodity film resistors.
How does the axial package geometry of the HVR3700001134FR500 influence PCB layout and thermal management in confined spaces?
The HVR3700001134FR500 measures 4.00 mm diameter by 10.00 mm length in axial form, making it physically larger than surface-mount equivalents but easier to hand-place and repair in prototypes. The cylindrical geometry creates a lower thermal mass than thick-film or chip resistors, which can be advantageous in transient-rich circuits where brief overloads must dissipate quickly without sustained heating. However, the axial lead configuration of the HVR3700001134FR500 occupies more PCB real estate than 1206 or 1210 chip resistors, limiting use in high-density layouts. Thermal coupling to nearby components is minimal with axial geometry, reducing crosstalk but also preventing beneficial heat spreading in thermally managed designs.
What circuit performance tradeoffs exist when substituting the HVR3700001134FR500 for a lower-wattage 1.13 MOhm resistor in power-limited applications?
The 0.5W rating of the HVR3700001134FR500 allows approximately 23.8 V continuous voltage drop (V = √(P×R) = √(0.5 × 1.13×10^6) ≈ 23.8V) at maximum dissipation. Switching to a 0.25W resistor reduces this to approximately 16.8 V, requiring careful analysis in bias and divider networks. The HVR3700001134FR500 provides headroom for transient overvoltages and design margin, whereas lower-wattage alternatives force tighter circuit constraints. Additionally, the HVR3700001134FR500's robust construction and pulse rating may justify the higher power rating for reliability, even if average dissipation is lower. Downsizing without re-evaluating transient stress on the lower-rated component risks premature failure in high-voltage environments.
Why does the HVR3700001134FR500 flame retardant coating matter in applications subject to regulatory compliance like medical or industrial equipment?
The flame retardant coating on the HVR3700001134FR500 addresses IEC 60950, UL 1950, and equivalent safety standards that govern ignition risk in enclosed equipment. A bare resistor under fault conditions (sustained overvoltage, overcurrent) can ignite or propagate flame through the PCB, violating safety approvals. The HVR3700001134FR500's coating delays ignition onset and limits flame spread, allowing thermal protection circuits to act before catastrophic failure. Equipment manufacturers using the HVR3700001134FR500 can demonstrate compliance more readily than with unrated components, reducing certification costs and time-to-market. This is especially relevant in medical devices, power distribution, and aerospace applications where safety documentation is mandatory.
How should the operating temperature range of the HVR3700001134FR500 (-55°C to 155°C) be interpreted when sizing heatsinking in worst-case thermal scenarios?
The HVR3700001134FR500 rating assumes free-air operation with ambient temperature at the specified extreme. If the resistor is mounted on a high-temperature PCB section or enclosed in a thermally constrained module, the die temperature can exceed the ambient rating. For a 0.5W dissipation in a confined space, the HVR3700001134FR500 surface might reach 155°C while ambient is only 130°C, leaving no thermal margin. Designers must either de-rate power (use lower continuous voltage/current), add ventilation, or switch to a higher-wattage resistor. The HVR3700001134FR500's 155°C maximum also implies that circuits in Arctic or desert environments need thermal analysis; a 155°C ambient scenario leaves zero dissipation headroom, so the component must be unloaded or relocated to a cooler zone.
What long-term reliability considerations apply when using the HVR3700001134FR500 in continuously energized high-voltage bias networks?
Metal film resistors like the HVR3700001134FR500 experience gradual resistance drift over decades due to electrochemical effects, ion migration in the film, and mechanical stress relaxation. In 1.13 MOhm networks operating at elevated voltage and temperature, drift rates can reach 0.1% to 0.5% over 10,000 hours, exceeding the initial ±1% tolerance of the HVR3700001134FR500. Circuits requiring <1% long-term stability must include periodic calibration, active trimming, or redundant monitoring. The high-voltage and pulse-withstanding features of the HVR3700001134FR500 mitigate catastrophic failure risk but do not eliminate parametric aging. Aerospace and medical applications using the HVR3700001134FR500 typically specify burn-in testing and periodic replacement intervals to maintain system accuracy.
How does the RoHS3 compliance of the HVR3700001134FR500 affect supply chain sourcing and long-term component availability?
RoHS3 compliance indicates the HVR3700001134FR500 uses lead-free solder terminations and excludes restricted substances (cadmium, hexavalent chromium, etc.), aligning with EU and global environmental regulations. However, RoHS3 restriction timelines and exemptions vary by region; certain high-reliability and military applications may still source lead-containing alternatives. The HVR3700001134FR500's compliance status ensures it is actively manufactured and distributed through mainstream channels, reducing obsolescence risk compared to legacy components. Designers should verify that downstream assembly partners accept RoHS3 components and that soldering processes (reflow temperature, profile) match the lead-free termination of the HVR3700001134FR500. Long-term sourcing of the HVR3700001134FR500 is more stable than non-compliant equivalents, supporting production continuity.
What measurement techniques provide reliable verification of the ±1% tolerance specification on the HVR3700001134FR500 after storage or environmental stress?
The 1.13 MOhm resistance of the HVR3700001134FR500 requires high-impedance measurement to avoid loading errors. Standard digital multimeters (10 MΩ input impedance) load the HVR3700001134FR500 network and produce 1–3% error. A resistance bridge or precision ohmmeter with ≥1 GΩ input impedance is necessary to resolve tolerance drift below ±1%. Environmental stress testing (thermal cycling, humidity exposure) can induce micro-fractures in the metal film of the HVR3700001134FR500, causing intermittent contact resistance spikes that appear as transient resistance bumps in high-impedance measurements. For production acceptance testing, sampling at 0.1% of shipments with calibrated equipment is standard; continuous use of the HVR3700001134FR500 in safety-critical circuits warrants periodic re-verification to detect degradation early.
In what scenario would a designer choose the tape-and-reel packaging of the HVR3700001134FR500 over loose components, and what handling precautions apply?
Tape-and-reel packaging of the HVR3700001134FR500 is optimized for high-volume automated assembly, where pick-and-place machines feed components directly into reflow soldering. Prototypes and low-volume builds typically source loose HVR3700001134FR500 units, which incur higher per-unit cost but allow flexibility. Tape-reel quantities (typically 500 or 1,000 units per reel) commit the designer to a single batch, so parametric drift between reels must be monitored. The HVR3700001134FR500 in tape form is susceptible to moisture and static discharge during storage; sealed, desiccated packaging and controlled handling reduce intermittent open-circuit failures. Designers must verify reel compatibility with assembly house equipment; incompatible feeder sprockets or tape tension can damage the HVR3700001134FR500 leads or cause placement misses.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Beyschlag/Draloric/BC Components HVR3700001134FR500

Product Attribute HVR3700001103FR500 HVR3700001153FR500 HVR3700001184FR500 HVR3700001104FR500
Part Number HVR3700001103FR500 HVR3700001153FR500 HVR3700001184FR500 HVR3700001104FR500
Manufacturer Vishay Beyschlag/Draloric/BC Components Vishay Beyschlag/Draloric/BC Components Vishay Beyschlag/Draloric/BC Components Vishay Beyschlag/Draloric/BC Components
Number of Terminations - - - -
Temperature Coefficient - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Tolerance - - - -
Failure Rate - - - -
Composition - - - -
Power (Watts) - - - -
Resistance - - - -
Size / Dimension - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Features - - - Simultaneous Sampling
Height - Seated (Max) - - - -
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

HVR3700001134FR500 Datasheet PDF

Download HVR3700001134FR500 pdf datasheets and Vishay Beyschlag/Draloric/BC Components documentation for HVR3700001134FR500 - Vishay Beyschlag/Draloric/BC Components.

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

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HVR3700001134FR500 Image

HVR3700001134FR500

Vishay Beyschlag/Draloric/BC Components
98D-HVR3700001134FR500

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