Resistors-Specialized

Part Number	Description / PDF	Quantity
ERA-S27J391V Panasonic	RES TEMP SENS 390 OHM 5% 1/10W	3690
ERA-S33J560V Panasonic	RES TEMP SENS 56 OHM 5% 1/10W	470
ERA-S39J680V Panasonic	RES TEMP SENS 68 OHM 5% 1/10W	4705
SH6918F700APEP Ohmite	6918 SHUNT 700A PIN	78
ERA-V15J560V Panasonic	RES TEMP SENS 56 OHM 5% 1/16W	2868
WSBS8536L0250JK14 Vishay / Dale	25 UOHMS 5% 50W SHUNT, BATTERY S	0
WSBS8518L0500JTP4 Vishay / Dale	WSBS8518-P4.000050 5% TRAY PACK	112
ERA-V27J101V Panasonic	RES TEMP SENS 100 OHM 5% 1/16W	9711
WSBS8518L2500JT60 Vishay / Dale	RESISTOR SHUNT 250 UOHM 5% 36W	0
CMS20CME10K00JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 10K OHM 5% 20W	0
ERA-W27J681X Panasonic	RES TEMP SENS 680 OHM 5% 1/32W	3062
CMS22CME10K00JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 10K OHM 5% 22W	0
ERA-S15J270V Panasonic	RES TEMP SENS 27 OHM 5% 1/10W	560
CSM2F-6918-L050J01 J.W. Miller / Bourns	RESISTOR 50 UOHM 5% 36W	78
CMS22CME5K000JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 5K OHM 5% 22W	0
CSM2F-7036-L050J01 J.W. Miller / Bourns	RESISTOR 50 UOHM 5% 50W	199
WSBS8518L1250JK20 Vishay / Dale	RESISTOR SHUNT 125 UOHM 5% 36W	0
ERA-S27J182V Panasonic	RES TEMP SENS 1.8K OHM 5% 1/10W	2735
GW10J75K0E Ohmite	RES CAP BLEEDER 75K OHM 5% 10W	0
CSM2F-6918-L200JT2 J.W. Miller / Bourns	SHUNTMETRIC 6918 L200 5% 50W TC5	0

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