东莞市贝特电子科技股份有限公司 ｜ 总部 Tel: +86 769-2307 8202 广东•东莞•松山湖
www.betterfuse.com 第 | 页 1
承认
书
APPROVAL SHEET
客户
Customer
品
名
Product
系
列
料号 Part No. 规格描述 Specification 备注 Remark
贝特电子
Betterfuse
客户
Customer
环保特别提示 Special instructions for environmental protection
本产品：
供应商-贝特电子
Supplier-Betterfuse
零件承���章
Approval Signet
客户
Customer
零件承认章
Approval Signet
制作
Make
审核
Check
确认
Approval
联络 Contact
业务 Sales 电话 Telephone 手机 Cellphone 邮箱 E-mail
零件承认后敬请回签一份给我司留存，或将承认后的封面传真（0769-8352 1857）至我司，谢谢！
编号No.
日期 Date
BJK250 Series
Radial leaded PPTC fuse
Series
BJK250-020-A/4-B
2021.05.04
Radial leaded PPTC 250VAC
TABLE OF CONTENTS
1. SCOPE AND DESCRIPTION ............................................................................................ 3
2. GENERAL INFORMATION ............................................................................................... 3
3. AGENCY APPROVALS .................................................................................................... 3
4. PART NUMBERING SYSTEM .......................................................................................... ..4
5. CONSTRUCTION AND MECHANICAL CHARACTERISTICS ......................................... 4
6. ELECTRICAL SPECIFICATIONS ..................................................................................... 5
7. SOLDERING PARAMETERS ........................................................................................... 6
8. ORDERING INFORMATION ............................................................................................. 7
Document Record
No.
Date Modified Content Page Edition Prepared/modified by Checked by
1
9/22/2014 Draft A/0 JEFFERY/BTG GLUECK
2
3
5
6
7
8
9
10
11
12
2020.07.03
Update content A/1 YaLan Wang
Fei Gao
2020.12.01
Update explain
YaLan Wang
A/2
Fei Gao
4
2020.12.15
Update resistance range of 020U
YaLan Wang
A/3
Fei Gao
5
2021.05.04
Update figure of 030U
A/4
Fei Gao
4
Wenshan Chen