Standard Clock Oscillators

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ECS-396x SMD Clock Oscillators

ECS ECS-396x SMD Clock Oscillators are 3.3V or 5.0V miniature crystal-controlled oscillators with a 3.2mm x 5mm footprint. The package is seam welded with a metal lid. With a frequency range between 1.000MHz and 125.000MHz, the ECS-396x SMD Clock Oscillators operate in a temperature range of -10°C to +70°C or an extended range of -40°C to +85°C (N option).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Package / Case	Frequency	Frequency Stability	Load Capacitance	Supply Voltage - Min	Supply Voltage - Max	Output Format	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Length	Width	Height	Series	Packaging
Standard Clock Oscillators 3.3V 125MHz SMD CLOCK ECS-3963-1250-BN-TR ECS 1: $5.28 834In Stock	Mfr. Part # ECS-3963-1250-BN-TR Mouser Part # 520-ECS-3963-125	ECS	Standard Clock Oscillators 3.3V 125MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	834In Stock	Cut Tape $5.28 $4.85 $4.75 Reel $4.72 $3.41 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	125 MHz	50 PPM	15 pF			HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)		1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3V 8MHz ECS-3963-080-BN-TR ECS 1: $1.93 2,149In Stock	Mfr. Part # ECS-3963-080-BN-TR Mouser Part # 520-3963-080-BN-TR	ECS	Standard Clock Oscillators 3V 8MHz Learn More about ECS 3963 clock oscillators	Datasheet	2,149In Stock	Cut Tape $1.93 $1.79 Reel $1.74 $1.31 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	8 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 40.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-400-AU-TR ECS 1: $3.36 1,035In Stock	Mfr. Part # ECS-3963-400-AU-TR Mouser Part # 520-3963-400-AUT	ECS	Standard Clock Oscillators 40.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,035In Stock	Cut Tape $3.36 $2.92 $2.65 $2.53 Reel $2.03 View $2.35 $2.25 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	40 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 10MHz SMD CLOCK ECS-3963-100-BN-TR ECS 1: $1.84 1,773In Stock	Mfr. Part # ECS-3963-100-BN-TR Mouser Part # 520-ECS-3963-10	ECS	Standard Clock Oscillators 3.3V 10MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	1,773In Stock	Cut Tape $1.84 $1.79 Reel $1.71 $1.31 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	10 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 48MHz SMD CLOCK ECS-3963-480-BN-TR ECS 1: $2.15 1,913In Stock	Mfr. Part # ECS-3963-480-BN-TR Mouser Part # 520-ECS-3963-48	ECS	Standard Clock Oscillators 3.3V 48MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	1,913In Stock	Cut Tape $2.15 $1.87 $1.79 Reel $1.77 $1.32 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	48 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 24MHz SMD CLOCK ECS-3963-240-BN-TR ECS 1: $2.13 8,353In Stock	Mfr. Part # ECS-3963-240-BN-TR Mouser Part # 520-ECS-3963-24	ECS	Standard Clock Oscillators 3.3V 24MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	8,353In Stock	Cut Tape $2.13 $1.86 $1.79 Reel $1.71 $1.31 $1.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	24 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 40MHz SMD CLOCK ECS-3963-400-BN-TR ECS 1: $1.83 1,051In Stock	Mfr. Part # ECS-3963-400-BN-TR Mouser Part # 520-ECS-3963-40	ECS	Standard Clock Oscillators 3.3V 40MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	1,051In Stock	Cut Tape $1.83 $1.79 Reel $1.71 $1.31 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	40 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 27.0MHz 3.3Volts 50ppm -40C +85C ECS-3963-270-BN-TR ECS 1: $1.99 1,003In Stock	Mfr. Part # ECS-3963-270-BN-TR Mouser Part # 520-3963-270BN-T	ECS	Standard Clock Oscillators 27.0MHz 3.3Volts 50ppm -40C +85C Learn More about ECS 3963 clock oscillators	Datasheet	1,003In Stock	Cut Tape $1.99 $1.73 Reel $1.71 $1.31 $1.18 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	27 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 27.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-270-AU-TR ECS 1: $3.36 597In Stock	Mfr. Part # ECS-3963-270-AU-TR Mouser Part # 520-3963-270-AUT	ECS	Standard Clock Oscillators 27.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	597In Stock	Cut Tape $3.36 $2.92 $2.65 $2.53 Reel $2.07 View $2.40 $2.16 $1.90 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	27 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 33.33MHz SMD CLOCK ECS-3963-333-BN-TR ECS 1: $2.65 699In Stock	Mfr. Part # ECS-3963-333-BN-TR Mouser Part # 520-ECS-3963-33.33	ECS	Standard Clock Oscillators 3.3V 33.33MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	699In Stock	Cut Tape $2.65 $2.32 $2.10 $2.02 Reel $1.74 View $1.90 $1.83 $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	33.33 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.6864MHz 5.0Volt 100 ppm -55C +125C ECS-3961-036-AU-TR ECS 1: $2.92 1,652In Stock	Mfr. Part # ECS-3961-036-AU-TR Mouser Part # 520-3961-036-AUT	ECS	Standard Clock Oscillators 3.6864MHz 5.0Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,652In Stock	Cut Tape $2.92 $2.62 $2.43 $2.33 Reel $2.04 View $2.22 $2.12 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	3.6864 MHz	100 PPM	30 pF	4.5 V	5.5 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 4.000MHz 5.0Volt 100 ppm -55C +125C ECS-3961-040-AU-TR ECS 1: $2.85 4,565In Stock	Mfr. Part # ECS-3961-040-AU-TR Mouser Part # 520-3961-040-AUT	ECS	Standard Clock Oscillators 4.000MHz 5.0Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	4,565In Stock	Cut Tape $2.85 $2.48 $2.25 $2.16 Reel $1.86 View $2.04 $1.96 $1.68 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	4 MHz	100 PPM	30 pF	4.5 V	5.5 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 16.000MHz 5.0Volt 100 ppm -55C +125C ECS-3961-160-AU-TR ECS 1: $2.29 3,966In Stock 2,000Expected 2026-11-02	Mfr. Part # ECS-3961-160-AU-TR Mouser Part # 520-3961-160-AUT	ECS	Standard Clock Oscillators 16.000MHz 5.0Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	3,966In Stock 2,000Expected 2026-11-02	Cut Tape $2.29 $2.00 $1.86 Reel $1.86 $1.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	16 MHz	100 PPM	30 pF	4.5 V	5.5 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 32.000MHz 5.0Volt 100 ppm -55C +125C ECS-3961-320-AU-TR ECS 1: $2.68 1,486In Stock	Mfr. Part # ECS-3961-320-AU-TR Mouser Part # 520-3961-320-AUT	ECS	Standard Clock Oscillators 32.000MHz 5.0Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,486In Stock	Cut Tape $2.68 $2.33 $2.12 $2.04 Reel $2.04 $1.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	32 MHz	100 PPM	30 pF	4.5 V	5.5 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 40.000MHz 5.0Volt 100 ppm -55C +125C ECS-3961-400-AU-TR ECS 1: $2.71 1,369In Stock	Mfr. Part # ECS-3961-400-AU-TR Mouser Part # 520-3961-400-AUT	ECS	Standard Clock Oscillators 40.000MHz 5.0Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,369In Stock	Cut Tape $2.71 $2.35 $2.13 $2.04 Reel $2.04 $1.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	40 MHz	100 PPM	30 pF	4.5 V	5.5 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 4.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-040-AU-TR ECS 1: $3.07 1,027In Stock	Mfr. Part # ECS-3963-040-AU-TR Mouser Part # 520-3963-040-AUT	ECS	Standard Clock Oscillators 4.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,027In Stock	Cut Tape $3.07 $2.75 $2.56 $2.48 Reel $2.26 View $2.38 $2.30 $1.93 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	4 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 8.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-080-AU-TR ECS 1: $3.04 1,208In Stock	Mfr. Part # ECS-3963-080-AU-TR Mouser Part # 520-3963-080-AUT	ECS	Standard Clock Oscillators 8.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,208In Stock	Cut Tape $3.04 $2.65 $2.40 $2.30 Reel $2.04 View $2.17 $2.09 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	8 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 20.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-200-AU-TR ECS 1: $3.31 1,813In Stock	Mfr. Part # ECS-3963-200-AU-TR Mouser Part # 520-3963-200-AUT	ECS	Standard Clock Oscillators 20.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,813In Stock	Cut Tape $3.31 $2.88 $2.61 $2.51 Reel $2.16 View $2.36 $2.28 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	20 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 24.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-240-AU-TR ECS 1: $2.40 1,573In Stock	Mfr. Part # ECS-3963-240-AU-TR Mouser Part # 520-3963-240-AUT	ECS	Standard Clock Oscillators 24.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,573In Stock	Cut Tape $2.40 $2.10 $2.04 Reel $2.04 $1.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	24 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 25.000MHz 3.3Volt 100 ppm -55C +125C ECS-3963-250-AU-TR ECS 1: $3.08 1,422In Stock 1,000Expected 2026-11-02	Mfr. Part # ECS-3963-250-AU-TR Mouser Part # 520-3963-250-AUT	ECS	Standard Clock Oscillators 25.000MHz 3.3Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	1,422In Stock 1,000Expected 2026-11-02	Cut Tape $3.08 $2.68 $2.43 $2.33 Reel $2.10 View $2.20 $2.12 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	25 MHz	100 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 20MHz SMD CLOCK ECS-3963-200-BN-TR ECS 1: $2.56 1,466In Stock	Mfr. Part # ECS-3963-200-BN-TR Mouser Part # 520-ECS-3963-20	ECS	Standard Clock Oscillators 3.3V 20MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	1,466In Stock	Cut Tape $2.56 $2.23 $2.04 Reel $2.04 $1.51 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	20 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 25MHz SMD CLOCK ECS-3963-250-BN-TR ECS 1: $2.12 5,626In Stock	Mfr. Part # ECS-3963-250-BN-TR Mouser Part # 520-ECS-3963-25	ECS	Standard Clock Oscillators 3.3V 25MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	5,626In Stock	Cut Tape $2.12 $1.74 Reel $1.74 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	25 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 50MHz SMD CLOCK ECS-3963-500-BN-TR ECS 1: $2.25 1,637In Stock 3,000Expected 2026-11-02	Mfr. Part # ECS-3963-500-BN-TR Mouser Part # 520-ECS-3963-50	ECS	Standard Clock Oscillators 3.3V 50MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	1,637In Stock 3,000Expected 2026-11-02	Cut Tape $2.25 $2.04 Reel $2.04 $1.51 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	50 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 3.3V 60MHz SMD CLOCK ECS-3963-600-BN-TR ECS 1: $3.63 960In Stock	Mfr. Part # ECS-3963-600-BN-TR Mouser Part # 520-ECS-3963-60	ECS	Standard Clock Oscillators 3.3V 60MHz SMD CLOCK Learn More about ECS 3963 clock oscillators	Datasheet	960In Stock	Cut Tape $3.63 $3.17 $2.87 $2.75 Reel $2.38 View $2.61 $2.49 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	60 MHz	50 PPM	15 pF	2.7 V	3.6 V	HCMOS	SMD/SMT	- 40 C	+ 85 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.1 mm (0.043 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel
Standard Clock Oscillators 8 MHz 5.0Volt 100 ppm -55C +125C ECS-3961-080-AU-TR ECS 1: $2.98 706In Stock 1,000Expected 2026-10-27	Mfr. Part # ECS-3961-080-AU-TR Mouser Part # 520-3961-080-AUT	ECS	Standard Clock Oscillators 8 MHz 5.0Volt 100 ppm -55C +125C Learn More about ECS 3963 clock oscillators	Datasheet	706In Stock 1,000Expected 2026-10-27	Cut Tape $2.98 $2.61 $2.36 $2.26 Reel $2.04 View $2.15 $2.06 $1.77 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standard Oscillators	5 mm x 3.2 mm	8 MHz	100 PPM	30 pF	4.5 V	5.5 V	HCMOS	SMD/SMT	- 55 C	+ 125 C	5 mm (0.197 in)	3.2 mm (0.126 in)	1.3 mm (0.051 in)	ECS-3961/3963	Reel, Cut Tape, MouseReel