Crystal Oscillator kHzXO


RoHS Compliant Directive 2011/65/EU Directive(EU)2015/863

Pb free



・Automotive safety
(e.g., Millimeter wave radar or Image processing for self-driving)


・High quality and high reliability design for Automotive safety
・Wide temperature range from -40 to +125 °C
・Compact and light. Dimensions : 2.5 x 2.0 x 0.9 mm, weight : 0.02 g
・Quick oscillation start up time (Typ. 1ms) is available compared to our Tuning Fork Crystal
・Conforms to AEC-Q100/200

Item Symbol Value Unit
Nominal frequency fnom 32.768 kHz
Package size (L×W×H) - 2.5×2.0×0.9 mm
Supply voltage VCC

+1.8 ~ +3.3

Current consumption

(Standard type)

Max.32 (Typ. 18)
Current Consumption (Oscillation start-up time reduction type) ICC
Max.72 (Typ. 41)
Stand-by current IST
Output specification - CMOS -
Load CL Max.5 pF
Storage temperature range Tstr
-55 to +125
Operating temperature range Topr
-40 to +125 -40 to +105 -40 to +85
Overall frequency tolerance Δf/fnom
Max. ±100 Max. ±50 Max. ±30
Output voltage VOL Max. 0.1 VCC V
Output voltage VOH Min. 0.9 VCC V
Rise (tr), fall (tf) time tr/tf Max.50 ns
Symmetry SYM 45 to 55 %
Start-up time (standard) tsu Max. 30 at Vcc=1.8V
Max. 20 at Vcc=2.5V to 3.3V
Start-up time (Oscillation start-up time reduction type) tsu Max. 4 at Vcc=1.8V to 3.3V ms
Frequency aging - Max. ±5 ppm

The specifications listed are our standard specifications. Please inform "Model", "Frequency" and "Specification number" when inquiring or placing an order. Specifications other than those listed above are also available, so please do not hesitate to contact us.

Specification number


Overall frequency tolerance
Operating temperature range
Supply voltage(V)
+1.8±0.18 +2.5±0.25 +3.0±0.3 +3.3±0.33
±100 -40 ~ +125 NSC5271A NSC5271B NSC5271C NSC5271D
±50 -40 ~ +105 NSC5272A NSC5272B NSC5272C NSC5272D
±30 -40 ~ +85 NSC5273A NSC5273B NSC5273C NSC5273D

Oscillation start time reduction type

Overall frequency tolerance
Operating temperature range
Supply voltage(V)
+1.8±0.18 +2.5±0.25 +3.0±0.3 +3.3±0.33
±100 -40 ~ +125 NSC5382A NSC5382B NSC5382C NSC5382D
±50 -40 ~ +105 NSC5383A NSC5383B NSC5383C NSC5383D
±30 -40 ~ +85 NSC5384A NSC5384B NSC5384C NSC5384D

Standby Function

#1 PAD input #3 PAD output
H level (0.7 VCC to VCC) or open Operating
L level (0.3 VCC max) High impedance

External dimensions

Output Wave