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KOA Speer Electronics, Inc. Datasheets for Resistors

Resistors are electrical components that oppose the flow of either direct or alternating current. They are used to protect, operate, or control circuits.
Resistors: Learn more

Product Name Notes
Features AEC-Q200 Tested Endurance at 85°C (1,000h): ΔR of ±0.1% High temperature exposure: ΔR of ±0.25% High precision type ±0.05% is also available Low current noise Improved moisture resistance by...
Features AEC-Q200 Tested Endurance at 85°C (3,000h): ΔR of ±0.1% High temperature exposure: ΔR of ±0.1% High precision type ±0.05% is available Low current noise High reliability and high stability...
Features Anti-sulfuration type, wide-side termination (reverse-geometry) type flat chip resistor Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material Suitable for both flow and reflow solderings Product...
Features Correcter electric current detection is possible with 4-terminal construction Excellent T.C.R. achieved (±50x10-6/K) Ultra low resistance, suitable for large current sensing Automatic mounting machines are applicable Suitable...
Features Current detecting resistors for power supplies, motor circuits, etc. Low resistance (100mΩ or under) and high accuracy (±1%) for current detection High reliability and performance with T.C.R. ±75x10-6...
Features Current detecting resistors for power supplies, motor circuits, etc. Low resistance (100mΩ or under) and high accuracy resistors (±1%) for current detection High reliability and performance with T.C.R. ±100×10-6...
Features Current detecting resistors for power supply, motor circuits, etc. High reliability and performance with resistance tolerance ±0.5%, T.C.R. ±100×10-6/K Suitable for both reflow and flow solderings Products with lead-free...
Features Custom design network Ultra-precision performance for precision analog circuits Tolerance to ±0.1%, matching to 0.05% T.C.R. to ±25ppm/°C, tracking to 2ppm/°C Products with lead-free terminations meet EU RoHS requirements.
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material/pulse Superior to RK73 series chip resistors in pulse withstanding voltage and high power SG73P (for pulse) are...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material/pulse Superior to RK73 series chip resistors in pulse withstanding voltage Suitable for both reflow and flow solderings...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material/surge Superior to RK73 series chip resistors in surge withstanding voltage and high power SG73S (for surge) are...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material Current detecting resistors for power supply, motor circuits, etc High reliability and performance with resistance tolerance ±1.0%,...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material Excellent heat resistance and weather resistance are ensured by the use of metal glaze thick film High...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material High heat resistance that can be used even at high temperatures of 155°C or higher. The maximum...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material Metal-glaze thick film resistor for surface mounting High precision resistor with T.C.R. ±25x10-6/K~ and tolerance...
Features Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material Metal-glaze thick film resistor for surface mounting High precision resistor with T.C.R. ±50x10-6/K and tolerance...
Features Excellent anti-surge characteristics Stable characteristics of moisture resistance up to high resistance range RCR50 +(1MΩ - 12MΩ), RCR50EN (1MΩ - 12MΩ) and RCR60 (1MΩ - 12MΩ) are discharge resistors...
Features Expanded flexibility of component layout Relative precision of pair resistors are guaranteed TCR tracking down to 5 ppm/°C
Features Extremely low resistance and high precision tolerance Low T.C.R. achieved (±50ppm/°C) Flameproof UL94V0 Products with lead-free terminations meet EU RoHS and China RoHS requirements
Features Fixed metal film resistor available (specify "SPRX") Flameproof silicone coating equivalent to (UL94V0) High reliability performance Suitable for automatic machine insertion Products meet EU RoHS requirements Surface mount style...
Features Flame retardant coating (UL94 V-0) It has excellent pulse resistance and is suitable as a surface mount component for precharge resistance, snubber resistance, and damping resistance AEC-Q200 Tested Products...
Features Flame retardant coating (Equivalent to UL94 V-0) Automatic insertion is applicable Various types of formings are available Products meet EU RoHS requirements
Features Flameproof coating is available (specify "CFP") Reduced body size (specify "CFS/CFPS") Suitable for automatic machine insertion Stronger in pulse resistance than chip resistors of the same type Products with...
Features Flameproof retardant coating (equivalent to UL94 V-0) Fail-safe mains fusing at AC 250V (4.7Ω~9.1Ω: AC200V) Products with lead-free terminations meet EU RoHS
Features Flameproof silicone coating equivalent (UL94V0) CWH resistors meet MIL-PRF-26 (U characteristics) CWH high precision resistors with T.C.R. less than ±20x10-6/K Suitable for automatic machine insertion Excellent in...
Features Free direction for mounting due to cylindrical design High precision products (Resistance tolerance ±0.1% and T.C.R.±25x10-6/K) available (RN41) The electrode strength is firm The noise characteristics are...
Features Functions as a resistor in normal condition Quick fusing protects circuit from excessive overload at an abnormal time Flame-retardant coating equivalent to UL94 V-0 Eu RoHS regulation is not...
Features Fuse within 60 seconds in case of over-current Constant current fusing type Fuse at low magnification at 5 times or 10 times of power rating Flame-retardant coating equivalent to...
Features High heat resistance that can be used even at high temperatures of 155°C or higher. The maximum operating temperature of Sn plating products compatible with solder mounting is 175°C,...
Features High Power Resistor Use flame-retardant insulated ceramic case Products meet EU RoHS requirements. Excellent with anti-pulse and inrush current
Features High power resistors Uses flame-retardant insulated ceramic case Excellent in anti-pulse and in rush current Suitable for high reliable applications like automotives AEC-Q200 Tested Products meet EU RoHS requirements...
Features High precision and low T.C.R. metal film resistor Excellent stability for a long time Products meet EU RoHS requirements
Features High precision high voltage divider Maximum resistance value 51MΩ, maximum working voltage 1000V, maximum resistance ratio 1000:1 Relative precision of pair resistors are guaranteed Higher integration saves board space...
Features High precision resistor networks Combination of different resistance is available for custom circuit TCR tracking down to 5 ppm/°C Marking: Black body color
Features High resistance resistors for high voltage circuits Thin SIP shape The flame retardant coats corresponding to UL94V-0 are used Thick film resistors (RuO2) ensure high stabilities in...
Features High-precision high voltage divider for high voltage circuits Thin SIP shape The flame retardant coats corresponding to UL94V-0 are used Higher relative accuracy of resistance value is possible with...
Features Higher stability in short and long term tests Products with lead-free terminations meet EU RoHS and China RoHS requirements AEC-Q200 Tested: RN412ES, RN413AS only
Features Interlayer embedding in the multilayer substrate is applicable from the height of 0.13 to 0.14mm Cu via hole connection is applicable by the Cu electrode
Features KOA original bulk ceramic resistors Excellent in anti-pulse resistance, inrush current and active discharge characteristics Higher reliability against disconnection compared to wirewound resistors and film resistors Products meet EU...
Features KOA original bulk ceramic resistors Flame retardant coating (Equivalent of UL94V0) Excellent in in-pulse and inrush current characteristics Non-inductive resistors Products meet EU RoHS requirements Higher reliability against disconnection...
Features Metal film chip network resistors Excellent in relative T.C.R. and relative accuracy Pair resistors for high precision OP-amplifiers As custom products, any pairs between 1kΩ and 100kΩ are available...
Features Metal glaze resistors (RuO2) provide lifetime stability Free from short circuit, unexpected solder melting and terminal disconnection due to the high temperature solder used to connect terminals...
Features Metal-glaze thick film resistor for surface mounting High precision resistor with T.C.R. ±25x10-6/K and tolerace ±0.1% High reliability with ΔR of ±0.2% and ±0.5% in the reliability...
Features Metal-glaze thick film resistor for surface mounting High precision resistor with T.C.R. of ±50 ppm/°C and tolerance of ±0.25%, ±0.5% or ±1% Suitable for both flow and reflow solderings...
Features Miniature construction can endure to high voltage and high power Excellent in anti-surge characteristics Wide resistance range of 500kΩ - 10GΩ and small T.C.R. Product meets EU RoHS requirements.
Features Power type current detecting resistors Flame retardant resistors in ceramic case Automatic insertion for a 5mm pitch between terminals is applicable (26 type, 58 type) Low inductance Space saving...
Features Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. AEC-Q200 Tested: 0402 (1E), 0603 (1J),...
Features PSN can respond to high voltage and high power with a wide resistance range of 500Ω~6GΩ PSO is made completely moisture preventive to be PSN that can be used...
Features Resistors excellent in overload capability Thin SIP shape Thick film resistors (RuO2) ensure high stabilities in life and change in aging Meet EU RoHS requirements. EU RoHS...
Features Resistors meeting MIL-R-26E (U and V characteristics) and surface temperature (hot spot) 350°C max. Resistors with a wide range of 0.1Ω ~ 62kΩ, covering applications from precision to power...
Features Semi-precision metal film resistors Meets requirements of MIL-R-22684 Suitable for automatic machine insertion MFS two times the power rating of the standard body type Products with lead-free terminations meet...
Features Small size power type resistor Coated with UL94V0 equivalent flameproof material Suitable for automatic machine insertion Products with lead-free terminations meet EU RoHS and China RoHS requirements Surface mount...
Features SMD metal film resistors of wide terminal type c OM PLIANT High precision type ±0.1 % is also available as standard High performance T.C.R. ±10 ppm/°C is also available...
Features SMD type of small size, high rated current zero ohm jumper Low height suitable for use of small equipment such as mobile phone Suitable for reflow soldering (Not suitable...
Features SMD Type of small size, low resistance resistor for current detection Carrier metal plate inside, resistor of high radiation of heat structure (3AW, 3AP) High reliability and performance with...
Features SMD type of small size, metal plate low resistance resistor for current detection Low height suitable for use of small equipment such as mobile phone High reliability and performance...
Features SMD type of small size, ultra-low resistance (3mΩ~) and high accuracy (±0.5%) resistor for current sensing Flameproof UL94V0 molded polymer case Excellent dimension accuracy, mountability and shock resistance Excellent...
Features Suitable for automatic machine insertion Products meet EU RoHS requirements
Features Suitable for automatic machine insertion Products meet EU RoHS requirements AEC-Q200 Tested: RNS1 only Excellent long term stability in resistance values
Features Suitable for noise suppression of engine ignition system Reliable in pulse/transient applications Products meet EU RoHS requirements
Features Superior to RK73 series chip resistors in pulse withstanding voltage and high power High precision resistor with T.C.R. ±50x10-6/K and tolerance ±0.25%, ±0.5% Suitable for both reflow...
Features Superior to RK73 series chip resistors in surge withstanding voltage and pulse withstanding voltage Suitable for both reflow and flow solderings Products with lead-free terminations meet EU RoHS requirements.
Features Superior to RK73 series in maximum working voltage Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element...
Features Superior to RK73 series in maximum working voltage Suitable for flow and reflow solderings Products meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in...
Features Superior to RK73B/RK73H series in pulse withstanding voltage and high power Pulse withstanding; down to ±0.5% tolerance Suitable for both reflow and flow solderings Products with lead-free terminations meet...
Features Superior to RK73B/RK73H series in surge withstanding voltage and high power ESD withstanding; down to ±0.5% tolerance Suitable for both reflow and flow solderings Products with lead-free terminations meet...
Features Superior to WK73 series in pulse withstanding voltage Suitable for both flow and reflow solderings Products meet EU RoHS requirements AEC-Q200 Tested
Features Surface mount power resistors Flame retardant type (UL94V0) Current detecting resistors for power supplies, etc. Metal plate terminals Marking: Black body color with teal marking Products with lead-free terminations...
Features Surface mount type of small size, high accuracy (±0.5%) with low resistance to high resistance Flameproof UL94V0 molded polymer case Excellent dimension accuracy, mountability and shock resistance Suitable for...
Features The super low resistance (3mΩ ~ ) is suitable for high power current sensing Pitches and heights adjustable according to mounting conditions All custom-made products Easy soldering Products with...
Features Thick film resistor protected by liquid crystal polymer resin Excellent heat cycle characteristics Encapsulated with flame retardant resin molding. (UL94 V-0) High operating temperature range up to 180°C Products...
Features Thin film (metal film) resistor array on silicon wafer Excellent resistance matching, TCR tracking and stabilities Custom circuits are available with flexible layout (Different resistance combinations possible) High integration...
Features Type J are molded Suitable for automatic machine insertion Type J are black, no marking Products meet EU RoHS requirements
Features Ultra low height with a thickness of 0.6mm, suitable for use of small equipment Excellent high-frequency characteristics Ultra low resistances (0.5mΩ~), suitable for large current sensing Suitable for reflow...
Features Ultra low height with a thickness of 0.6mm, suitable for use of small equipment Ultra low resistances (0.5mΩ~), suitable for large current sensing Suitable for reflow soldering (Not suitable...
Features Ultra low resistance, suitable for large current sensing Automatic mounting machines are applicable. Suitable for reflow soldering (Not suitable for flow soldering) Products meet EU RoHS requirements AEC-Q200 Tested...
Features Ultra low resistance, suitable for large current sensing Excellent T.C.R. achieved (50±25 x 10-6/K) Correct electric current detection by a voltage pin is possible Bus bar and...
Features Ultra precision T.C.R. up to ±2.5 ppm/°C, tolerance to ±0.01% Wide resistance range from 10Ω to 1MΩ Products with lead-free terminations meet EU RoHS and China RoHS requirements
Features Various types of standard circuits in different sizes and power are available. (Seated height 0.20" (5.08mm), 0.26" (6.5mm), 0.42" (10.7mm) Max.) Higher temperature soldering of the leads prevents terminals...
Features Wide lineup from 01005 to 2512 size Excellent heat resistance and weather resistance are ensured by the use of metal glaze thick film Suitable for both flow and reflow...
Features Wide lineup from 01005 to 2512 size Excellent heat resistance and weather resistance, because of the use of glaze thick film as resistive film Suitable for both flow and...
Features Wide terminal type flat chip resistor High reliability and performance with T.C.R. ±100 x 10-6/K, resistance tolerance ±1% Suitable for flow and reflow solderings This product meets...
Features Wide-side termination (reverse-geometry) type flat chip resistor High reliability and performance with T.C.R. ±100 x 10-6/K, resistance tolerance ±0.5% Suitable for both reflow and flow solderings Products with lead-free...
Features Wide-side termination (reverse-geometry) type flat chip resistor High reliability and performance with T.C.R. ±100 x 10-6/K, resistance tolerance ±1% Suitable for both reflow and flow solderings Products with lead-free...
Features Wide-side termination (reverse-geometry) type flat chip resistor High reliability and performance with T.C.R. ±100 x 10-6/K, resistance tolerance ±1% Products with lead-free terminations meet EU RoHS requirements.
Features Zero OHM resistors are the same shape as the CFS1/4 and CF 1/4 series Type Z are conformal coated Suitable for automatic machine insertion Marking: Type Z are tan...