This document describes surface mount ceramic encased resistors. It provides information on product types, power ratings, dimensions, resistance ranges, mounting and assembly data, electrical and environmental characteristics, and ordering information. The resistors use an alloy wire wound element on a heat conducting ceramic/fiber glass substrate within a fire proof ceramic housing. They are suitable for reflow soldering and applications that require surface mounted power resistors.
HMVL - CURRENT SENSE / LOW OHM CERAMIC ENCASED TYPEhtrindia
SPACE SAVER
Slim Type Vertical Mounting
• Especially designed for crowded PCB’s
• Ceramic stand-offs.
• Any resistance value possible within
resistance range given.
•2.5W to 15W
• R004 to R20
HMVL - CURRENT SENSE / LOW OHM CERAMIC ENCASED TYPEhtrindia
SPACE SAVER
Slim Type Vertical Mounting
• Especially designed for crowded PCB’s
• Ceramic stand-offs.
• Any resistance value possible within
resistance range given.
•2.5W to 15W
• R004 to R20
HMVL - CURRENT SENSE / LOW OHM CERAMIC ENCASED TYPE (OLD)htrindia
SPACE SAVER
Slim Type Vertical Mounting
Alloy Resistance
Ribbon
• Especially designed for crowded PCB’s
• Ceramic stand-offs.
• Any resistance value possible within
resistance range given
This product is a type of Ceramic Encased Resistor, which is a type of Wire Wound Resistors. Features of this product are: Choice of fibre glass or ceramic core, Choice of mounting pillars for additional stability, Non inductive type available. This products is consumable for Space saving, Vertical Mounting Resistors, Consumer and Industrial applications.
For more information of this product, please copy & paste the url given below:
http://htr-india.com/product/hsv/
This product is a type of Ceramic Encased Resistor, which is a type of Wire Wound Resistors. Features of this product are: Flat vertical mounting type, Ceramic and fibre glass core available, Ceramic legs for greater stability also act as heat sink, Impulsive types available, Non inductive types available, PCB space saving resistor. This products is consumable for Industrial and Consumer Electronics.
For more information of this product, please copy & paste the url given below:
http://htr-india.com/product/hmv/
State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
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Sectoral targets and attacks as well as the cost of ransom
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Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
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Vulnerability exploit attempts on CVEs
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In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
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1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
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Orchestrator execution result
Defect reporting
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Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
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Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
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In this presentation, we examine the challenges and limitations of relying too heavily on PHP frameworks in web development. We discuss the history of PHP and its frameworks to understand how this dependence has evolved. The focus will be on providing concrete tips and strategies to reduce reliance on these frameworks, based on real-world examples and practical considerations. The goal is to equip developers with the skills and knowledge to create more flexible and future-proof web applications. We'll explore the importance of maintaining autonomy in a rapidly changing tech landscape and how to make informed decisions in PHP development.
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1. Fire Proof Ceramic
Housing
• 4W to 5W
• R003 to 16K
Quartz Silica Powder
Terminals Suitable
For Reflow Soldering
Alloy Wire Wound Element On
Heat Conducting Ceramic/
Fiber Glass Substrate
Alloy Electrical
Resistance
Ribbon
Terminals
Suitable For
Reflow Soldering
Quartz Silica
Powder
Fire Proof
Ceramic Housing
HSVALS Series
HSVAS Series
SURFACE MOUNT
CERAMIC ENCASED TYPE
HSVAS/
HSVALSSERIES
Surface Mount
Wire Wound/Current Sense
Resistors
e : info@htr-india.com
www.htr-india.com
Rev Date : 22/05/2019
AEC-Q200Qualified
2. SV4ALS & SV5ALS :
Resistance value must be checked using 4½ digit micro-ohm meter with four wire system and insulated clips and the designer of the pad
layout might prefer to split the pad for four wire checking.
HSVAS SV4AS 4W 20.0 20.5 9.00 8.00 R10 11K 2.5
HSVAS SV5AS 5W 25.0 25.5 9.00 8.00 R10 16K 3.0
HSVALS SV4ALS 4W 20.0 20.5 9.00 8.00 R003 R051 2.5
HSVALS SV5ALS 5W 25.0 25.5 9.00 8.00 R004 R068 3.0
SERIES POWER
RATING
at
70°C
L
(±1.5)
H
(max)
DIMENSIONS (mm) RESISTANCE
RANGE
TYPICAL
WEIGHT
PER PC
(gms)
min max
C
(±1.5)
W
(max)
TYPE
MOUNTING / ASSEMBLY DATA
For the guidance of the Design Engineer, our applications laboratory has given the recommended pad size and geometry which is shown
below :
SURFACE
MOUNT
CERAMIC
ENCASED TYPE
HSVAS/
HSVALS
PHYSICAL CONFIGURATION
e : info@htr-india.com
www.htr-india.com
Rev Date : 22/05/2019
3. ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS / DATA
PARAMETER/PERFORMANCE TEST & TEST METHOD PERFORMANCE REQUIREMENTS
Resistance to Soldering heat (260 - 270°C for 10 secs) ∆R ± [0.2% + R05] - Typical
Solderability (As per IEC Pub. 60068-2-20 Ta) Must meet the requirements laid down
Marking As per IEC Pub. 60062
MECHANICAL SPECIFICATIONS
PARAMETER/PERFORMANCE TEST & TEST METHOD PERFORMANCE REQUIREMENTS
Power Rating Full power dissipation at 70°C and linearly derated to
(Rated Ambient Temperature) zero at 350°C (Refer derating curve above)
Resistance Tolerances Available ±10% [K]; ±5% [J]; ±3% [H]; ±2%[G]; ±1% [F]
Temperature Range -55°C to 350°C (with suitable derating as per derating curve above)
Voltage Rating / Limiting Voltage / Max Working Voltage V = PxR
Maximum Overload Voltage Varies depending on resistance value, duration of
overload and type of pulse waveform (Contact factory for details)
Voltage Proof / Dielectric Withstanding Voltage ∆R ± (1% + R05) No flashover, mechanical damage,
(Based on limiting voltage x 2 for 60 secs) arcing or insulation breakdown.
Short Time Overload ∆R ± [2% + R05] - HSVAS
(5 x Rated power for 5 secs) ∆R ± [0.75% + R0005] - HSVALS - Typical
Temperature Co-efficient of Resistance ± 120 ppm/°C for <R10 (Average)
HSVAS ± 80 ppm/°C for <1R0 (Average)
± 60 ppm/°C for <100R (Average)
± 90 ppm/°C or 30 ppm/°C for >100R depending on wire selected
HSVALS ± 60 ppm/°C to ± 900 ppm/°C depending on resistance value
(measured from - 55°C to +125°C referenced to +25°C)
Insulation Resistance > 1000MΩ (Min)
Temperature Cycling
(Room temperature →-55°C →Room temperature
→200°C→Room temperature for 5 cycles )
HSVAS ∆R ± [2% + R05]
HSVALS ∆R ± [0.5% + R0005]
Damp Heat (Steady State)
HSVAS ∆R ± [2% + R05] - Average
HSVALS ∆R ± [0.5% + R0005] - Average
(40°C at 93% R.H for 1000 hours, no load applied)
Endurance - Load Life (70°C with limiting voltage - 1.5 hours ∆R ± [≤3% + R05] - Average
on / 0.5 hours off for 1000 hours)
a) RoHS version - SV4AS */ SV5ALS *
Series HTR Type Packing Resistance Value Tolerance
HSVAS / HV4AS / Bulk SV4AS / SV4AS* 5K0 / J
HSVALS HV5ALS Bulk SV5ALS / SV5ALS* R03 J
ORDERING INFORMATION
TYPICAL APPLICATIONS
These devices have been introduced to answer the increased demand for power resistors which can be surface mounted.
The HSVAS series caters to those who require a normal wire wound with surface mounting and the HSVALS series caters to those who
require a shunt / current sense device which is surface mounted.
Note:
The ceramic cases used may be steatite ceramic or corderite ceramic or high alumina ceramic. Hence, the ceramic cases may be off-white
or variations of brown and variations of grey; colours which are inherent to these ceramic materials.
SURFACE
MOUNT
CERAMIC
ENCASED TYPE
HSVAS/
HSVALS
e : info@htr-india.com
www.htr-india.com
Rev Date : 22/05/2019
