# TCXO, 12 MHz, 2.5 ppm, SMD, 2.5mm x 2mm, HCMOS, 3.3 V, ASTX-H12 Series

![Product image](https://novapart.co/image/farnell:3820923/)

**URL**: https://novapart.co/products/ASTX-H12-12.000MHZ-T/tcxo-12-mhz-25-ppm-smd-25mm-x-2mm-hcmos-33-v-astx
**SKU**: ASTX-H12-12.000MHZ-T
**Manufacturer**: ABRACON
**Price**: €2.3400
**Stock**: 1000+
**Lead Time**: 92 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 12MHz |
| Product Range | ASTX-H12 Series |
| Supply Voltage Nom | 3.3V |
| Frequency Stability + / - | 2.5ppm |
| Operating Temperature Max | 75°C |
| Operating Temperature Min | -30°C |
| Oscillator Case / Package | SMD, 2.5mm x 2mm |
| Oscillator Output Compatibility | HCMOS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3820923/)

ASTX-H12 **Moisture Sensitivity Level (MSL) –1 Pb[RoHS ] 2.5 x 2.0 x 0.9mm** — S| **Compliant** - | | | | | | | | | | | | | | | **FEATURES: APPLICATIONS:** Cle . • HCMOS Output • Cellular and cordless phones 

## **HCMOS OUTPUT SMD TCXO** 

## **FEATURES:** Cle 

- Compact and low in height 

- Low current consumption; IR reflow possible 

• Suitable for high-density SMT 

- Standard OSC for exact equipment 

- Mobile communication equipment 

- Portable radio equipment and music player 

## **STANDARD SPECIFICATIONS:** >~~ 

|**Parameters**<br>||**Parameters**<br>||**Minimum**|**Typical**|**Maximum**|**Units**|**Notes**|
|---|---|---|---|---|---|---|
|FrequencyRange<br>|<br>~~ns~~<br>~~a~~||0.675<br>~~ns~~<br>~~nD~~|-----<br>~~ns~~<br>~~nD~~|55.000<br>~~ns~~|MHz<br>~~ns~~|~~ns~~|
|Standard Frequencies<br>~~a~~||5,10,12,16,20,24,32,40,44<br>~~nD~~|||MHz||
|OperatingTemperature<br>~~a~~||-30<br>~~OO~~|-----<br>~~OO~~<br>~~OO~~|+75<br>~~OO~~<br>~~OO~~|°C<br>~~OO~~<br>~~OO~~|~~OO~~|
|Storage Temperature:<br>~~es~~||-40<br>~~es~~<br>~~O~~|-----<br>~~es~~<br>~~OO~~<br>~~O~~|+125<br>~~es~~<br>~~OO~~|°C<br>~~es~~<br>~~OO~~|~~es~~|
|Frequency Stability ∆f/f0<br>vs Tolerance(@+25°C)<br>~~a~~||-2.0<br>~~a~~<br>~~O~~<br>~~ee~~|-----<br>~~OO~~<br>~~a~~<br>~~O~~|+2.0<br>~~OO~~<br>~~a~~|ppm<br>~~OO~~|1 hr after reflow|
|vs Temperature(ref. to +25°C)<br>~~ee~~||-2.5<br>~~O~~<br>~~ee~~<br>~~ee~~|-----<br>~~O~~<br>~~ee~~|+2.5<br>~~ee~~||See option(Table 1)|
|vs SupplyVoltage Change(Vdd±5%)<br>~~OO~~||-0.2<br>~~ee~~<br>~~OO~~|-----<br>~~OO~~|+0.2<br>~~OO~~|||
|vs Load Change(ZL±10%)<br>~~OO~~||-0.2<br>~~OO~~|-----<br>~~OO~~|+0.2<br>~~OO~~|||
|vs Aging (firstyear@+25°C)<br>~~OO~~||-1.0<br>~~OO~~|-----<br>~~OO~~|+1.0<br>~~OO~~|||
|SupplyVoltage(Vdd)<br>~~a~~||+2.97<br>~~ee~~|+3.3<br>~~OO~~<br>~~es~~|+3.63<br>~~OO~~|V<br>~~OO~~<br>~~|~~|See option<br>~~|~~|
|Supply Current (Icc)<br>~~ES~~<br>~~a~~||-----<br>~~ee~~<br>~~ee~~<br>~~ES~~|-----<br>~~es~~<br>~~ee~~<br>~~ES~~|4.0|mA<br>~~|~~<br>~~|~~<br>~~Pp~~<br>~~|~~|4~10MHz<br>~~|~~<br>~~|~~<br>~~=~~|
|||-----<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ES~~|-----<br>~~es~~<br>~~ee~~<br>~~ee~~<br>~~ES~~|4.8||~20MHz<br>~~|~~<br>~~|~~<br>~~Pp~~<br>~~=~~|
|||-----<br>~~ee~~<br>~~ee~~<br>~~ES~~|-----<br>~~ee~~<br>~~ee~~<br>~~ES~~|5.5||~30MHz<br>~~|~~<br>~~Pp~~<br>~~=~~|
|||-----<br>~~ee ~~<br>~~ES~~<br>~~ee~~|-----<br> ~~ee~~<br>~~ES~~<br>~~es~~|6.0||~40MHz<br>~~Pp~~<br>~~=~~<br>~~|~~|
|||-----<br>~~ES~~<br>~~ee~~|-----<br>~~ES~~<br>~~es~~|7.0||~54MHz<br>~~=~~<br>~~|~~|
|Rise and Fall Time(Tr/Tf)<br>~~ES~~<br>~~a~~||-----<br>~~ES~~<br>~~ee~~<br>~~DD~~|-----<br>~~ES~~<br>~~es~~<br>~~DD~~|5<br>~~DD~~|ns<br>~~|~~<br>~~DD~~|10%-90%Vdd<br>~~=~~<br>~~|~~<br>~~DD~~|
|Symmetry<br>~~a~~<br>~~eee~~<br>~~ces~~||45<br>~~eee~~<br>~~s eee~~|-----<br>~~OO~~<br>~~eee~~<br>~~eee~~|55<br>~~OO~~<br>~~eee~~<br>~~eee~~|~~OO~~<br>~~eee~~|@1/2 Vdd<br>~~ee~~|
|Output Voltage<br>~~eee~~<br>~~ce~~|VOH<br>~~eee~~<br>~~es~~<br>~~es~~|90%Vdd<br>~~eee~~<br>~~es~~<br>~~s eee~~|-----<br>~~eee~~<br>~~eee~~|-----<br>~~eee~~<br>~~eee~~|V<br>~~eee~~|~~ee~~|
||VOL<br>~~eee~~<br>~~es~~<br>~~es~~|-----<br>~~eee~~<br>~~es~~<br>~~s eee~~|-----<br>~~eee~~<br>~~eee~~|10%Vdd<br>~~eee~~<br>~~eee~~|||
|Load<br>~~eee~~<br>~~es ~~<br>~~ces~~||-----<br>~~eee~~<br> ~~es~~<br>~~s eee~~|-----<br>~~eee~~<br>~~eee~~|15<br>~~eee~~<br>~~eee~~|pF<br>~~eee~~||
|Waveform<br>~~ces~~||HCMOS<br>~~s eee~~|||||
|Phase Noise (Frequency dependant)<br>~~ces~~<br>~~OE~~||-----<br>~~s eee~~<br>~~OE~~<br>~~ee~~|-130<br>~~eee~~<br>~~OE~~<br>~~ee~~|-----<br>~~eee~~<br>~~OE~~<br>~~ee~~|dBc<br>~~OE~~<br>~~|~~|@1kHz offset<br>~~ee~~<br>~~OE~~<br>~~|~~|
|||-----<br>~~OE~~<br>~~ee~~|-158<br>~~OE~~<br>~~ee~~|-----<br>~~OE~~<br>~~ee~~||@100kHz offset<br>~~OE~~<br>~~|~~|
|Tri-state Function (Stand-by) :<br>~~a~~||"1" (VIH≥0.75*Vdd) or Open: Oscillation<br>"0"(VIL<0.25*Vdd): Hi Z<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~a~~|||V<br>~~|~~<br>~~a~~|~~|~~<br>~~a~~|



Visit www.abracon.com for Terms & Conditions of Sale **REVISED: 07.18.12** 30332  Esperanza, Rancho Santa Margarita, California  92688 tel 949-546-8000  | fax 949-546-8001 | www.abracon.com 

Visit www.abracon.com for Terms & Conditions of Sale 

**ABRACON IS** ISO 9001 / QS 9ISO 9001 : 20 **0** 800 **CERTIFIED** 

## **HCMOS OUTPUT SMD TCXO** 

## ASTX-H12 — 

**Pb[RoHS ] 2.5 x 2.0 x 0.9mm** SQ) **Compliant** Co | | | | | | | | | | | | | | | 

SS **OPTIONS & PART IDENTIFICATION:** (Left blank if standard) ASTX-H12-     -              MHz -         - om oo **Vdd (V) Frequency in MHz Packaging** Blank: 3.3V±10% Please specify the Blank: Bulk A: 2.8V±10% frequency in MHz. T:  1000pcs/reel B: 2.5V±10% e.g. 19.200MHz **±2.5ppm ±3.0ppm ±4ppm ±5ppm** 0°C ~ +50°C D25 D30 D40 D50 -10°C ~ +60°C E25 E30 E40 E50 -0°C ~ +70°C F25 F30 F40 F50 -20°C ~ +75°C G25 G30 G40 G50 -30°C ~ +75°C Blank(STD) H30 H40 H50 -40°C ~ +85°C I25 I30 I40 I50 

**Table 1** 

## ,nn **OUTLINE DIMENSIONS:** 

**==> picture [504 x 231] intentionally omitted <==**

**----- Start of picture text -----**<br>
Recommended Land Pattern<br>o4<br>Tri-state pin  Output<br>High or floating Active<br>Low  Hi-impedance<br>Note: Recommend using an approximately 0.01µF<br>bypass capacitor between Pin 2 and 4.<br>#3 |<br>0.95 0.1 ie<br>PIN FUNCTION<br>1  Tri-state<br>2  GND<br>3  Output<br>4  Vdd  Dimensions: mm<br>**----- End of picture text -----**<br>


**==> picture [69 x 31] intentionally omitted <==**

**----- Start of picture text -----**<br>
ABRACON IS<br>ISO 9001 / QS 9ISO 9001 : 20 0 800<br>CERTIFIED<br>me<br>**----- End of picture text -----**<br>


Visit www.abracon.com for Terms & Conditions of Sale **REVISED: 07.18.12** 30332  Esperanza, Rancho Santa Margarita, California  92688 tel 949-546-8000  | fax 949-546-8001 | www.abracon.com 

**Pb[RoHS ] 2.5 x 2.0 x 0.9mm Compliant** | | | | | | | | | | | | | | | 

## **HCMOS OUTPUT SMD TCXO** 

## ASTX-H12 

**==> picture [569 x 470] intentionally omitted <==**

**----- Start of picture text -----**<br>
©» 230°C260°C |-------- ny- --------- f f a e en<br>C = —.<br>= 30~40s |!<br>S 180°C ae<br>E 150°C po it i |<br>oO 1 1 | | |<br>F | i | I |<br>25°C / -il 60~120s —m}I i} 60~90s|! i}<br>Pre—Heat Reflow Cool = (s)<br>Time (seconds)<br>xa TAPE & REEL: te<br>T: 1,000pcs/reel<br>2.0:40,05<br>| | | 61.6520,05 ee | 1.150.05<br>re [OO] —_ [Pf [ -@] ie 0.2540.05<br>° dls<br>| |<br>22540.05 TAPING DIRECTION B-B’ Cutaway View<br>coat :<br>A~A’ Cutaway View<br>t<br>§ |}2t05<br>a I ;<br>Dimensions: mm<br>Det : 2<br>**----- End of picture text -----**<br>


**ATTENTION:** Abracon Corporation’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications.  Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from Abracon Corporation is required. Please contact Abracon Corporation for more information. 

**REVISED: 07.18.12** 

30332  Esperanza, Rancho Santa Margarita, California  92688 tel 949-546-8000  | fax 949-546-8001 | www.abracon.com 

Visit www.abracon.com for Terms & Conditions of Sale 

**ABRACON IS** ISO 9001 / QS 9ISO 9001 : 20 **0** 800 **CERTIFIED** ~~|~~ MB —_& BBRACON 



## Links

- [View this product on Novapart](https://novapart.co/products/ASTX-H12-12.000MHZ-T/tcxo-12-mhz-25-ppm-smd-25mm-x-2mm-hcmos-33-v-astx)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/abracon/astx-h12-12-000mhz-t/tcxo-12mhz-hcmos-smd-2-5mm-x-2mm/dp/3820923)
---

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