Resistors-Specialized

Part Number	Description / PDF	Quantity
GW13J2K50E Ohmite	RES CAP BLEEDER 2.5K OHM 5% 13W	125
ERA-V15J562V Panasonic	RES TEMP SENS 5.6K OHM 5% 1/16W	1721
WSMS2908L3000JK Vishay / Dale	RES SHUNT 0.0003 OHM 5% 3W	44
WSBS8536L1250JK14 Vishay / Dale	250 UOHMS 5% 50W SHUNT, BATTERY	0
WSBS8518L1000JT34 Vishay / Dale	RESISTOR SHUNT 100 UOHM 5% 36W	0
ERA-S27J471V Panasonic	RES TEMP SENS 470 OHM 5% 1/10W	6102
ERA-S15J391V Panasonic	RES TEMP SENS 390 OHM 5% 1/10W	219
CSM2F-7036-L100J02 J.W. Miller / Bourns	SHUNTMETRIC 7036 L100 5% 36W TC5	0
WSBS8518L0500JKP4 Vishay / Dale	RESISTOR SHUNT 50 UOHM 5% 36W	0
CSM2F-8536-L025J00 J.W. Miller / Bourns	SHUNTMETRIC 8536 L025 5% 36W TC5	0
CMS16CME2K000JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 2K OHM 5% 16W	0
CSM2F-8518-L200JT2 J.W. Miller / Bourns	SHUNTMETRIC 8518 L200 5% 50W TC5	0
CJS55010RK TE Connectivity AMP Connectors	CJS550 10R 10%	0
IS200C75RKE Ohmite	200 W 75 OHMS 10%	10
FNPYR0020B VPG Foil	RES SHUNT 0.002 OHM 0.1% 500W	0
GW13J82K0E Ohmite	82KCAPACITOR MOUNT 5%	1775
FNPZ5R000A VPG Foil	RESISTOR SHUNT 5 OHM 0.05% 500W	0
FNPZR0010A VPG Foil	RES SHUNT 0.001 OHM 0.05% 500W	0
IS270C75RKE Ohmite	270 W 75 OHMS 10%	7
GW13J47K0E Ohmite	47KCAPACITOR MOUNT 5%	1000

Resistors-Specialized

1. Overview

Specialized resistors are precision-engineered passive components designed for specific performance requirements beyond standard resistors. They play critical roles in applications requiring high accuracy, power handling, environmental stability, or unique electrical characteristics. These components enable advanced functionality in modern electronics, from aerospace systems to medical devices.

2. Main Types & Functional Classification

Type	Key Features	Applications
High-Precision Resistors	Tight tolerance ( 0.01%), low TCR (5-25ppm/ C)	Test equipment, precision amplifiers
High-Power Resistors	25W-1000W ratings, robust thermal management	Industrial heaters, power supplies
PTC/NTC Thermistors	Temperature-dependent resistance ( 5% to 50%)	Temperature sensing, inrush current control
Fusible Resistors	Current-limiting with precise melting characteristics	Safety circuits, motor protection
Variable Resistors	Adjustable resistance (10 -5M range)	Audio equipment, sensor calibration

3. Structure & Composition

Typical construction includes: - Resistance Element: Thin-film (NiCr, TaN), thick-film (metal glaze), or wirewound (Kanthal) - Substrate: Alumina ceramic, silicon carbide, or aluminum nitride - Terminations: Silver/palladium or tin/lead alloy for solderability - Protective Coating: Epoxy, silicone, or glass encapsulation - Heat Dissipation: Finned housings or aluminum bodies for power variants

4. Key Technical Parameters

Parameter	Description	Importance
Resistance Range	1 to 10T	Determines current-voltage relationship
Tolerance	0.001% to 10%	Affects circuit accuracy
Power Rating	0.1W to 1kW	Prevents thermal damage
Temperature Coefficient	5 to 5000ppm/ C	Stability over operating range
Operating Temperature	-55 C to +300 C	Environmental reliability
Stability/Voltage Coefficient	0.1% change/year	Long-term performance

5. Application Fields

Industrial: CNC machines, motor drives, process control systems
Medical: MRI scanners, ECG monitors, infusion pumps
Automotive: EV battery management, ADAS sensors, fuel injectors
Aerospace: Avionics, flight control systems, satellite equipment
Telecom: 5G base stations, fiber optic transceivers, network analyzers

6. Leading Manufacturers & Products

Manufacturer	Key Products
Vishay Precision Group	Thin Film Chip Resistors (TFR Series)
Bourns Inc.	High-Power Wirewound Resistors (CXP Series)
Ohmite Mfg. Co.	Chassis Mount Resistors (1100 Series)
TT Electronics	AccuSensors Thin Film Resistors
ROHM Co., Ltd.	Automotive NTC Thermistors (MTH Series)

7. Selection Guidelines

Key considerations: - Required tolerance vs. operating temperature range - Power dissipation requirements with safety margin (1.5x rating) - Environmental factors (humidity, vibration, EMI) - Long-term stability needs (medical vs. industrial) - Cost vs. performance trade-offs

Example: For medical imaging equipment, select 0.1% tolerance resistors with <25ppm/ C TCR in hermetically sealed packages.

8. Industry Trends

Emerging developments include: - Miniaturization: 01005 (0.4mm x 0.2mm) package sizes - Advanced materials: Graphene-enhanced composites (50% lower TCR) - Integrated solutions: Resistor networks with built-in thermal sensing - High-frequency optimization: <0.1pF parasitic capacitance for RF applications - Sustainability: Halogen-free and RoHS-compliant packaging solutions