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CSR1TTED Datasheet with Chat AI

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Part No.	CSR1TTED
Manufacturer	KOA
Size	100 Kbytes
Pages	2 pages
Description	four-terminal current sense resistor

Datasheet Summary with AI

## Dimensions and Construction

|Size Code|L (inches) (mm)|W (inches) (mm)|t (inches) (mm)|a (inches) (mm)|b (inches) (mm)|c (inches) (mm)|d (inches) (mm)|e (inches) (mm)|f (inches) (mm)|g (inches) (mm)|h (inches) (mm)|
|---|---|---|---|---|---|---|---|---|---|---|---|
|CSR1|.425±.02 (10.8±0.5)|.244±.012 (6.2±0.3)|.083±.008 (2.1±0.2)|.118±.012 (3.0±0.3)|.031±.008 (0.8±0.2)|.055±.02 (1.4±0.5)|.047±.02 (1.2±0.5)|.051±.012 (1.3±0.3)|.051±.012 (1.3±0.3)|.197±.004 (5.0±0.1)|.098±.004 (2.5±0.1)|
|CSR2|.504±.02 (12.8±0.5)|.323±.012 (8.2±0.3)|.122±.008 (3.1±0.2)|.197±.012 (5.0±0.3)|.039±.008 (1.0±0.2)|.079±.02 (2.0±0.5)|.079±.02 (2.0±0.5)|.087±.012 (2.2±0.3)|.087±.012 (2.2±0.3)|.236±.004 (6.0±0.1)|.118±.004 (3.0±0.1)|

## Specifications

️· Part Designation: CSR1 and CSR2
️· Power Rating: 1W (CSR1), 2W (CSR2)
️· Operating Temperature Range: -55°C to +125°C
️· Dielectric Withstanding Voltage: 500V
️· Resistance Tolerance: D (±0.5%) or F (±1%)
️· Performance Characteristics (Example):
- Resistance to Solder Heat: ±1.0%
- Moisture Resistance: ±2.0%

Note: Specifications are subject to change without notice.

# CSR Current Sense Resistors

## Features

️· Low resistance, high precision tolerance
️· Low T.C.R. (±50ppm/°C)
️· Flameproof (UL94V0)
️· Black body with white marking
️· Lead-free terminations meet RoHS requirements

## Ordering Information

️· New Part # Format: CSR[Part Number]TTE[Power Rating][Tolerance][Termination Style]
️· Resistance Range: 5mΩ - 50mΩ
️· Resistance Tolerance: D (±0.5%) or F (±1%)
️· Termination: Tin (Sn)
️· Packaging options:
- CSR1: 10" embossed tape (12mm pitch) - 1,000 pieces/reel
- CSR2: 13" embossed plastic (all sizes - 1,000 pieces/reel)

## Dimensions and Construction

Size Code L (inches) (mm) W (inches) (mm) t (inches) (mm) a (inches) (mm) b (inches) (mm) c (inches) (mm) d (inches) (mm) e (inches) (mm) f (inches) (mm) g (inches) (mm) h (inches) (mm)

CSR1 .425±.02 (10.8±0.5) .244±.012 (6.2±0.3) .083±.008 (2.1±0.2) .118±.012 (3.0±0.3) .031±.008 (0.8±0.2) .055±.02 (1.4±0.5) .047±.02 (1.2±0.5) .051±.012 (1.3±0.3) .051±.012 (1.3±0.3) .197±.004 (5.0±0.1) .098±.004 (2.5±0.1)

CSR2 .504±.02 (12.8±0.5) .323±.012 (8.2±0.3) .122±.008 (3.1±0.2) .197±.012 (5.0±0.3) .039±.008 (1.0±0.2) .079±.02 (2.0±0.5) .079±.02 (2.0±0.5) .087±.012 (2.2±0.3) .087±.012 (2.2±0.3) .236±.004 (6.0±0.1) .118±.004 (3.0±0.1)

## Specifications

️· Part Designation: CSR1 and CSR2
️· Power Rating: 1W (CSR1), 2W (CSR2)
️· Operating Temperature Range: -55°C to +125°C
️· Dielectric Withstanding Voltage: 500V
️· Resistance Tolerance: D (±0.5%) or F (±1%)
️· Performance Characteristics (Example):
- Resistance to Solder Heat: ±1.0%
- Moisture Resistance: ±2.0%

Note: Specifications are subject to change without notice.

Size Code	L (inches) (mm)	W (inches) (mm)	t (inches) (mm)	a (inches) (mm)	b (inches) (mm)	c (inches) (mm)	d (inches) (mm)	e (inches) (mm)	f (inches) (mm)	g (inches) (mm)	h (inches) (mm)
CSR1	.425±.02 (10.8±0.5)	.244±.012 (6.2±0.3)	.083±.008 (2.1±0.2)	.118±.012 (3.0±0.3)	.031±.008 (0.8±0.2)	.055±.02 (1.4±0.5)	.047±.02 (1.2±0.5)	.051±.012 (1.3±0.3)	.051±.012 (1.3±0.3)	.197±.004 (5.0±0.1)	.098±.004 (2.5±0.1)
CSR2	.504±.02 (12.8±0.5)	.323±.012 (8.2±0.3)	.122±.008 (3.1±0.2)	.197±.012 (5.0±0.3)	.039±.008 (1.0±0.2)	.079±.02 (2.0±0.5)	.079±.02 (2.0±0.5)	.087±.012 (2.2±0.3)	.087±.012 (2.2±0.3)	.236±.004 (6.0±0.1)	.118±.004 (3.0±0.1)