U+F949 "雷" CJK Compatibility Ideograph-# Unicode Character

U+F949 "雷" CJK Compatibility Ideograph-# is a CJK compatibility ideograph that represents a specialized or variant form of a Chinese character, typically used in contexts where a non-standard, precomposed, or legacy representation is needed for compatibility with older text encoding systems or specific fonts. This character falls within the CJK Compatibility Ideographs block, which was designed to preserve round-trip conversion fidelity with earlier standards like Unicode 1.0 or certain East Asian character sets, though its practical usage is limited and often superseded by the standard unified CJK character at a different code point. U+F949 is less commonly employed in general modern text and more often encountered in specialized databases, historical digitization, or software that requires exact mapping from older encoding schemes.

General Properties

Code Point	U+F949
Version Added	1.1
Name	CJK Compatibility Ideograph-#
Block	CJK Compatibility Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"雷" U+96F7 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	雷
HTML Hex Encoding	雷
UTF-8 Encoding	0xEF 0xA5 0x89
UTF-16 Encoding	0xF949
UTF-32 Encoding	0x0000F949
C/C++/Java Escape	\uf949

Unicode Properties

Full Composition Exclusion	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"雷" U+96F7 CJK Unified Ideograph-#
NFKC Simple Casefold	"雷" U+96F7 CJK Unified Ideograph-#
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes

Unihan Properties

kCompatibilityVariant	U+96F7
kDefinition	thunder
kHangul	뇌:0
kIRG_KSource	K0-5262
kKorean	NOY
kRSUnicode	173.5
kTotalStrokes	13