Resistors-Specialized

Part Number	Description / PDF	Quantity
ERA-V33J121V Panasonic	RES TEMP SENS 120 OHM 5% 1/16W	14081
CSM2F-8536-L025J02 J.W. Miller / Bourns	SHUNTMETRIC 8536 L025 5% 36W TC5	0
WSBS5216L1000JK Vishay / Dale	RESISTOR SHUNT 100 UOHM 5% 12W	9
WSBS8518L0500JK60 Vishay / Dale	RESISTOR SHUNT 50 UOHM 5% 36W	0
ERA-V33J220V Panasonic	RES TEMP SENS 22 OHM 5% 1/16W	3100
CMS16CME20K00JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 20K OHM 5% 16W	0
CMS22CME20K00JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 20K OHM 5% 22W	0
WSBS5216L1000JT14 Vishay / Dale	RESISTOR SHUNT 100 UOHM 5% 12W	0
DCRF381781R60JB Vishay / Sfernice	RES WATER COOLED 1.6OHM 5% 1500W	0
WSMS2908L2500JK Vishay / Dale	RES SHUNT 0.00025 OHM 5% 3W	37
SH8518F600BHEP Ohmite	8518 SHUNT 600A M3	6
CMS20CME30K00JE Vishay / Huntington Electric, Inc.	RES CAP BLEEDER 30K OHM 5% 20W	0
WSBS8536L0250JK Vishay / Dale	25 UOHMS 5% 50W SHUNT, BATTERY S	0
GW10J2K50E Ohmite	RES CAP BLEEDER 2.5K OHM 5% 10W	900
WSBS85181L000JT34 Vishay / Dale	RESISTOR SHUNT 0.001 OHM 5% 20W	0
GW13J25K0E Ohmite	RES CAP BLEEDER 25K OHM 5% 13W	0
WSBS8518L2500JT20 Vishay / Dale	RESISTOR SHUNT 250 UOHM 5% 36W	0
ERA-W33J181X Panasonic	RES TEMP SENS 180 OHM 5% 1/32W	8880
ERA-W33J390X Panasonic	RES TEMP SENS 39 OHM 5% 1/32W	28642
ERA-S15J180V Panasonic	RES TEMP SENS 18 OHM 5% 1/10W	9827

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