# Crystal, ST3215FB Series, 32.768 kHz, 20 ppm, 6 pF

![Product image](https://novapart.co/image/farnell:4758672/)

**URL**: https://novapart.co/products/ST3215FB32768B0HPWH1/crystal-st3215fb-series-32768-khz-20-ppm-6-pf
**SKU**: ST3215FB32768B0HPWH1
**Manufacturer**: KYOCERA AVX
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.1910
**Stock**: 1000+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Frequency Nom | 32.768kHz |
| Product Range | ST3215FB Series |
| Load Capacitance | 6pF |
| Crystal Frequency | 32.768kHz |
| Crystal Case / Package | SMD, 3.2mm x 1.5mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4758672/)

**Note** ： **Part numbers may be revised in the event of any specifications change.** 

## Specifications 

Drawing No. UKY1C-H1-25762-00[43] 1/11 Issued Date. Jul.28,2025 

## **TO:** 

Product Type Quartz Crystal Series ST3215FB Frequency 32.768 kHz Customer Part Number - - Customer Specification Number KYOCERA Part Number ST3215FB32768B0HPWH1 Remarks Pb-Free、RoHS Compliant、MSL 1 ~~———~~ Customer Approval Approval Signature Approved Date Department Person in charge ~~=——~~ **Seller Manufacturer KYOCERA Corporation** Corporate Electronic Components Group Corporate Electronic Components Group Electronic Components Sales Division Electronic Devices Division 

6 Takeda Tobadono-cho, Fushimi-ku, Kyoto 

612-8501 Japan 

TEL. No. 075-604-3500 FAX. No. 075-604-3501 

|Design Department|Quality<br>Assurance|Approved by|Checked by|Issued by|
|---|---|---|---|---|
|KYOCERA Corporation<br>Crystal Components Application Engineering Section 2<br>Electronic Devices Division<br>Corporate Electronic Components Group|A. Ito|T. Nitobe|S. Uchida|Y. Kikuchi|



KYOCERA Corporation 

UKY1C-H1-25762-00[43] 2/11 

|**Rvision History**|**Rvision History**|**Rvision History**|**Rvision History**|**Rvision History**|**Rvision History**|
|---|---|---|---|---|---|
|Rev.No.|Description of revision|Date|Approved by|Checked by|Issued by|
|00|First Edition|Jul.28,2025|T. Nitobe|S. Uchida|Y. Kikuchi|



KYOCERA Corporation 

UKY1C-H1-25762-00[43] 3/11 

## **ATTENTION** 

- [1] If you intend to use products on the controlling equipment that relate to medical, aeronautical, aerospace, military science, space and etc., please make sure to let us know your intentions in advance. 

- [2] Ultrasonic related process may cause damage to crystal blank by resonance itself. If ultrasonic related process is used, we strongly recommend to assess the damage risk under related ultrasonic conditions before use in production. 

## **1. Electrical Specifications** 

## **1.1 General specification** 

|**#**|**Parameter**|**Value/Description**|**Unit**|**Remark**|
|---|---|---|---|---|
|1|Nominal frequency|32.768000|kHz|-|
|2|Cutting type|X-cut|-|-|
|3|Oscillation mode|Fundamental|-|-|
|4|Moisture sensitivity level (MSL)|Level 1|-|IPC/JEDEC J-STD-033C|
|5|ESD|2000V≤HBM<4000V|-|JESD22-A114-B|



## **1.2 Operation conditions** 

|**#**|**Parameter**|**Min.**|**Typ.**|**Max.**|**Unit**|**Remark**|
|---|---|---|---|---|---|---|
|1|Operating temperature|-40|-|+85|°C|-|
|2|Storage temperature|-55|-|+125|°C|-|
|3|Load capacitance (CL)|-|6.0|-|pF|-|
|4|Drive level|-|0.5|1.0|μW|-|



## **1.3 Frequency stability &  electrical parameters** 

|**#**|**Parameter**|**Min.**|**Typ.**|**Max.**|**Unit**|**Remark**|
|---|---|---|---|---|---|---|
|1|Initial frequency tolerance|-20|-|+20|ppm|At 25±3°C,DL=0.5uW|
|2|Turnover Temperature|20|25|30|°C|-|
||Freq.vs Temp. Coefficient|-|-|-0.04|ppm/°C2||
|3|Frequency aging (First year)|-3|-|+3|ppm|At 25±3°C,DL=0.5uW|
|4|Equivalent series resistance (ESR)|-|-|70|k-ohms|-|
|5|Shunt capacitance (C0)|-|1.2|-|pF|-|
|6|Motional capacitance (C1)|-|4.3|-|fF|-|
|7|insulation resistance|500|-|-|M-ohms|At DC 100V ± 5V|



**Measure equipment:** Electrical characteristics is measured by S&A 250B or equivalent. 

## **Standard atmospheric conditions:** 

Unless otherwise specified, the standard environmental conditions for performance measurement and tests are under ambient temperature at +25±2°C and relative humidity: 40% to 70%. 

KYOCERA Corporation 

UKY1C-H1-25762-00[43] 4/11 

## **2. Product Design** 

## **2.1 Package dimensions and pad functions** 

## Unit : mm 

Tolerance unless otherwise specified: ±0.15mm. 

## **2.2 Recommended land pattern** 

**==> picture [242 x 96] intentionally omitted <==**

**----- Start of picture text -----**<br>
#1 #2<br>1.0 1.5 1.0<br>1.80<br>**----- End of picture text -----**<br>


Unit : mm Recommended reference dimension. 

KYOCERA Corporation 

UKY1C-H1-25762-00[43] 5/11 

## **2. Product Design** （ **Cont.)** 

## **2.3 Recommended reflow profile and manual soldering conditions** 

The recommended reflow soldering profile for SMT components is according to IPC/JEDEC J-STD-020. 

|**Profile Feature**|**Pb-free Assembly (SAC Alloys)**|
|---|---|
|Preheat Soak<br>Temperature Min (Tsmin)<br>Temperature Max (Tsmax)<br>Time (Tsminto Tsmax) (tS)|150°C<br>200°C<br>60 seconds  to 120 seconds|
|Ramp-up rate (TLto TP)|3°C/second max.|
|Time 25°C to Peak Temperature|8 minutes max.|
|Liquidus temperature (TL)<br>Time maintained above Liquidus temperature (tL)|217°C<br>60 seconds  to 150 seconds|
|Peak temperature (TP)|260°C±5°C|
|Time (tP) within 5°C of TP|30 seconds max.|
|Ramp-down Rate (TPto TL)|6°C/second max.|



KYOCERA Corporation 

UKY1C-H1-25762-00[43] 6/11 

## **2. Product Design (Cont.)** 

## **2.3 Recommended reflow profile and manual soldering conditions (Cont.)** 

Recommended manual soldering conditions: 

|**Parameters**|**Conditions**|
|---|---|
|Soldering iron temperature|350°C max.|
|Time|4 seconds max.|
|Re-solder times|Twice|



## **2.4 Product storage conditions** 

- [1] Temperature: 15 to 35°C. 

- [2] Humidity: 30 to 70% RH. 

- [3] Time: within 18 months since manufacturing date. 

- [4] Please store the products in a dry, clean, well-ventilated area and avoid direct sunlight exposure, heat, and vibration. 

## **2.5 Illustration to product structure** 

**==> picture [710 x 328] intentionally omitted <==**

**----- Start of picture text -----**<br>
6 3<br>5<br>4 1<br>2<br>**----- End of picture text -----**<br>


|**#**|**Components**|**Materials**|**QTY**|**Finish**|
|---|---|---|---|---|
|1|Cap (Lid)|Kovar(Fe-Ni-Co)|1|Niplating|
|2|Base(Package)|Almina ceramics (AI2O3)|1|-|
|3|Pad(Package)|Ni + Au|2|Ni + Auplating|
|4|Crystal blank|SiO2|1|-|
|5|Conductive adhesive|Ag|2|Silicone resin|
|6|Electrode|Cr + Au|2|-|



KYOCERA Corporation 

UKY1C-H1-25762-00[43] 7/11 

## **3. Reliability** 

## **3.1 Mechanical endurance** 

|**#**|**Item**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Test Condition**|**Reference**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|1|Drop test|Measure after 100g-dummy drop from 1500mm height on the concrete<br>3directions 10times.   *3|||||||||||||||||-|
|2|Vibration||||||||||||||||||MIL-STD-202<br>Method 201|
||||Frequencyrange|||||||||10 to 500 Hz||||||||
||||Amplitude total:|||||||||0.75mm (10~55Hz)||||||||
|||||||||||||98m/s2(55~500Hz)||||||||
||||Test time of each|||||||||2 hours (x, y, z axis )||||||||
||||perpendicular  axis:|||||||||||||||||
||||Total test time:|||||||||6 hours||||||||
||||*3|||||||||||||||||
|3|Shear strength||||||||||||||||||IEC 60068-2-21|
||||Pressuring force:|||||||||20 N||||||||
||||Test time:|||||||||10±1 sec.||||||||
|||||||||||||||||||||
|4|Bending test||||||||||||||||||IEC 60068-2-21|
||||Bending:|||||||||||3 mm||||||
||||Thickness of the testing board:|||||||||||1 mm||||||
||||Test time:|||||||||||5±1 sec.||||||
|||||||||||||||||||||
|5|Solderability||||||||||||||||||J-STD-002|
||||Temperature:|||||||||235°C  ± 5 °C||||||||
||||Immersingdepth:|||||||||0.5 mm minimum||||||||
||||Immersion time:|||||||||5 ± 1 sec.||||||||
||||Flux:|||||||||Rosin resin methyl alcohol||||||||
|||||||||||||solvent(1 : 4)||||||||
|||||||||||||||||||||



KYOCERA Corporation 

UKY1C-H1-25762-00[43] 8/11 

## **3. Reliability (Cont.)** 

## **3.2 Environmental endurance** 

|**#**|**Item**|**Test Condition**|**Reference**|
|---|---|---|---|
|1|High temperature<br>storage|+125°C ± 3°C for 1000 hours   *1,*2|MIL-STD-202  Method<br>108|
|2|High temperature<br>storage|85°C ± 3°C for 1000 hours   *1,*2|MIL-STD-202  Method<br>108|
|3|Low temperature<br>storage|-55°C ± 3°C for 1000 hours   *1,*2|IEC 60068-2-1|
|4|Thermal shock|Total 100 cycles of the following temperature cycle     *1,*2<br>125 ± 3oC<br>30 min.<br>30 min.<br>10 min. max.<br>1  cycle<br>-55 ± 3oC<br>25oC<br>**+**<br>**+**|IEC 60068-2-14|
|5|High temperature<br>& humidity|+85°C ±3°C, RH 85%,for 1000 hours   *1,*2|MIL-STD-202<br>Method 103|
|6|AIR Reflow|Refer to reflow profile on page 6       *2<br>Test time：3 times|IPC/JEDEC<br>J-STD-020.|



## Note: 

1. Each test shall be done independently. (not in series tests) 2. *1: Pre conditions 

## (1)AIR Reflow : 2 times 

- (2) Initial values shall be measured after 24 hours at room temperature. 

3. *2:Measure after 24 hours left at room temperature following the test. 4. *3:Measure after 2 hours left at room temperature following the test. 

KYOCERA Corporation 

UKY1C-H1-25762-00[43] 9/11 

## **4. Marking and Packing** 

## **4.1 Marking definition** 

1. Identification 

K 

## 2. Date Code 

Last 1 digit of year and week. 

(Example) June 15 2008 → 825 *For details to LOT CALENDAR 

3. Load Capacitance 

(Example) 6.0 pF → D 

- 4.Management number 

A 

- *The font of marking above is for reference purpose. 

KYOCERA Corporation 

UKY1C-H1-25762-00[43] 10/11 

## **4. Marking and Packing(Cont.)** 

|Item|Specification|Unit|
|---|---|---|
|Materials|PS (anti statics)|-|
|inside reel wise W1|13.0±0.3|mm|
|outside reel wise W2|15.4±1.0|mm|



KYOCERA Corporation 

UKY1C-H1-25762-00[43] 11/11 

## **5. Quality Assurance** 

To be guaranteed by Kyocera Corporation Quality Assurance Division 

## **6. Quality guarantee** 

In case when Kyocera Corporation rooted failure occurred within 1year after its delivery, substitute product will be arranged based on discussion. Quality guarantee of product after 1year of its delivery is waivered. 

## **7. Others** 

In case of any questions or opinions regarding the Specification, please have it in written manner within 45 days after issued date. 

If you do not contact us within the deadline, we will assume that the items listed are approved. 

KYOCERA Corporation 



## Links

- [View this product on Novapart](https://novapart.co/products/ST3215FB32768B0HPWH1/crystal-st3215fb-series-32768-khz-20-ppm-6-pf)
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- [Supplier page](https://es.farnell.com/kyocera-avx/st3215fb32768b0hpwh1/crystal-32-768khz-6pf-3-2mm-x/dp/4758672)
---

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