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Messrs.
  (first ・ revised)
Product No.
Item code
Product form
The number of copies
Data of registration :
Receipt Column
〈NOTICE〉
1. Advance agreement will be needed before changing any contents of the specification herein.
2. Provided that the information herein is subject to change, only revised pages shall be reissued.
3. When the product described herein includes Regulated Products subject The Wassenaar Arrangement
  etc, they may not be exported without authorization form the appropriate governmental authorities.
4. The contents of this specification including all figures and illustrations are proprietary information
( copyright or know-how ) of Seiko Instruments Inc. It is strictly prohibited to copy all or part of these
specifications to third parties without permission.
5. In the case that the products described herein are used as part of any devices or equipment which might
influence any one of the human body, human life and property, such as physical exercise equipment,
medical equipment or vehicles, please let us know that.
Seiko Instruments Inc.
Quartz Crystal Division
    
1-8, Nakase, Mihamaku, Chiba shi,
    
Chiba 261-8507 Japan
Delivery Specifications
Quartz Crystal Unit SC-32S
32.768kHz ±20 × 10
:1copy
Specifications No.
CONFIDENTIAL
-6
/ 12.5pF
Note
Dept. of Issue
Sales Section
Dept. of Control
Quality Assurance Section

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Summary of Contents for Seiko SC-32S

  • Page 1   etc, they may not be exported without authorization form the appropriate governmental authorities. 4. The contents of this specification including all figures and illustrations are proprietary information ( copyright or know-how ) of Seiko Instruments Inc. It is strictly prohibited to copy all or part of these specifications to third parties without permission.
  • Page 2: Delivery Specifications

    1/11 Delivery Specifications 1.Scope These specifications apply to QUARTZ CRYSTAL RESONATORS ( hereinafter referred to as RESONATORS ) to be manufactured by Seiko Instruments Inc. ( hereinafter referred to as SII ) to 2.Designation RESONATORS are designated"SC-32S" ( 32.768 kHz ). 3.Shape and dimensions As per the SC-32S drawing shown on page 5 .
  • Page 3 2/11 [1] The maximum rating Note Item Symbol Rating 1 Storage temperature range T_stg -55~+125℃ 2 Maximum drive level DL max. 0.5 μW max. [2] Recommended Operating Condition Note Item Symbol Rating 1 Operating temperature range T_use -40~+85℃ 2 Drive level 0.1 μW typ. [3] Electrical-Characteristics Measurement temperature :25±2℃...
  • Page 4 3/11 [4] Environment and Mechanical characteristics Item Specifications Conditions 1 High temperature storage After storage under 125℃ for 1000 hours, Δf/f = ±10×10 measure at room temperature. 2 Low temperature storage After storage under -40℃ for 1000 hours, Δf/f = ±10×10 measure at room temperature.
  • Page 5 4/11 [5] Precautions (1) Recommended mounting conditions Reflow profile As per reflow profile shown in page 10. Manual soldering 350℃max. for 4 sec. Max. (2) Cleaning The crystal resonator may be destroyed by ultrasonic cleaning. We don't guarantee the quality of the product with that cleaning method because such conditions as type of the washing machine, power, time,position in the bath, etc.
  • Page 6 5/11 [7] Dimensions and marking layout 1. Out Line Drawing T * * * * * C0.2 1.7 Typ. Unit = mm 3.2+0.1 2. Marking   3. Lead Connection T □ □ □ □ □ □ *1 *2 *3  *4  *5 *6 *7 Product name #2 #1 Type of product Specification Year of Production( Last digit of year ) *6,7 Week of Production(01~...
  • Page 7 6/11 [8] Taping specification 1.Drawing of tape dimensions ① Carrier tape    : Refer to page 8. ② Taping reel    : Refer to page 9. 2.Material ① Carrier tape : PC black conductive ② Taping reel : PS conductive 3.Taping method (1)...
  • Page 8 7/11 (4) Gap between Carrier Tape and Cover Tape ① Cover Tape protrudes from Carrier Tape by 0.5mm max. Fig. 3 Carrier Tape Cover Tape ② Holes of Carrier Tape are covered with Cover Tape by 0.75mm max. Fig. 4 Carrier Tape カバーテープ...
  • Page 9 8/11 Carrier tape (1) Conforms with EIA-481 (2) Tolerance : ±0.2 Unit=mm...
  • Page 10 9/11 Taping reel (1) Conforms with EIAJ ET-7200B (2) Quantity per reel : 3,000pcs./for a reel Torrance:±0.2mm Item Specification Unit Materials PS(anti statics) inside reel wise W1 13.0+0.3/-0 outside reel wise W2 15.4±1.0 Unit = mm...
  • Page 11: Reflow Profile

    10/11 [9] Reflow Profile Pre-Heating temperature:+170℃   Pre-Heating time:120sec Heating temperature :+220℃   Heating time : 50sec +260 ℃ peak 10±1 sec. +250±10 ℃ +220 ℃ ( ℃ ) +170±10 ℃ 50±10 sec. 120±20 sec. Time(sec) Note: (1) The temperature used herein means the temperature on the circuit board. (2)...
  • Page 12 【Top View】 4) Storage quantity It makes N = 3,000 pcs/Lot 5) Sample of the label display (Please refer to【 Figure 1 】【 Figure 2 】) Part SC-32S : Our company product name 000001 Product bar code Lot No. : Lot No.